PL
IA
N
T
Features
M
■ Metal shaft and bushing
*R
oH
S
CO
■ Consistent, smooth quality feel
■ Up to 4 sections available
■ Rotary switch option designed
for “on-off” function control
■ RoHS compliant*
81/82 - 5/8 ” Square Single-Turn Panel Control
85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
Potentiometer Specifications
Initial Electrical Characteristics1
Conductive Plastic Element
Cermet Element
Standard Resistance Range
Linear Tapers (A, B, E, & H) ..................................................................(B & E) 1 K ohms to 1 megohm ............. (A & H) 100 ohms to 1 megohm
Audio Tapers (C, D, F, G, S, & T) .........................................................(D, G, S, & T) 1 K ohms to 1 megohm ... (C & F) 1 K ohms to 1 megohm
Total Resistance Tolerance .........................................................................±20 % or 10 % ...................................... ±10 % or 5 %
Independent Linearity .................................................................................±5 % ...................................................... ±5 %
Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum
Effective Electrical Angle ............................................................................(Linear tapers) 240 ° ± 5 °...................... (Linear tapers) 240 ° ± 6 °
(Audio tapers) 225 ° ± 5 ° ...................... (Audio tapers) 225 ° ± 6 °
Contact Resistance Variation .....................................................................±1 % ...................................................... ±1 % or 3 ohms (whichever is greater)
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ..............................................................................................1,500 VAC minimum .............................. 1,500 VAC minimum
70,000 Feet ..........................................................................................500 VAC minimum ................................. 500 VAC minimum
Insulation Resistance (500 VDC) ................................................................1,000 megohms minimum ..................... 1,000 megohms minimum
Power Rating At 70 °C (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
+70 °C Single Section Assembly .........................................................(Linear tapers) 1 watt ............................. (Linear tapers) 2 watts
(Audio tapers) 0.5 watt .......................... (Audio tapers) 1 watt
+70 °C Multiple Section Assembly.......................................................(Linear tapers) 0.5 watt/section ............. (Linear tapers) 1 watt/section
(Audio tapers) 0.25 watt/section ........... (Audio tapers) 0.5 watt/section
+125 °C ................................................................................................0 watt..................................................... 0 watt
Theoretical Resolution ................................................................................Essentially infinite .................................. Essentially infinite
Environmental Characteristics1
Operating Temperature Range ...................................................................-40 °C to +125 °C.................................. -40 °C to +125 °C
Storage Temperature Range ......................................................................-55 °C to +125 °C.................................. -55 °C to +125 °C
Temperature Coefficient Over Storage Temperature Range ......................±1,000 ppm/°C ...................................... ±150 ppm/°C
Vibration (Single Section) ...........................................................................15 G ....................................................... 15 G
Total Resistance Shift ...........................................................................±2 % maximum ..................................... ±2 % maximum
Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum
Shock (Single Section) ...............................................................................30 G ....................................................... 30 G
Total Resistance Shift ...........................................................................±2 % maximum ..................................... ±2 % maximum
Voltage Ratio Shift ................................................................................±5 % maximum ..................................... ±5 % maximum
Load Life.....................................................................................................1,000 hours ........................................... 1,000 hours
Total Resistance Shift ...........................................................................±10 % maximum ................................... ±5 % maximum
Rotational Life (No Load) ............................................................................100,000 cycles ...................................... 100,000 cycles
Total Resistance Shift ...........................................................................(Linear taper) 10 ohms or ..................... (All tapers) ±5 % TRS maximum
±10 % TRS max. (whichever is greater)
(Audio taper) ±20 % maximum
Contact Resistance Variation @ 50,000 cycles
(Audio taper) ..................................................................................±3 % ...................................................... ±3 %
(Linear taper) .................................................................................±2 % ...................................................... ±2 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ...........................................................................(B & E tapers) ±10 % maximum ........... ±5 % maximum (all tapers)
(D, G, S & T tapers) ±20 % maximum
Insulation Resistance (500 VDC) ..........................................................100 megohms minimum ........................ 100 megohms minimum
IP Rating .....................................................................................................IP40 ....................................................... IP40
Mechanical Characteristics
Stop Strength
1/4 ” and 1/8 ” diameter shafts ......................................................................................................................................................... 45.19 N-cm (4 lb.-in.)
7/8 ” length shaft ................................................................................................................................................................................. 22.6 N-cm (2 lb.-in.)
Mechanical Angle ...................................................................................................................................................................................................... 300 ° ±5 °
Torque
Starting and Running Torque (Non-Locking Bushings)
Single Section ................................................................................................................................................................. 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Dual Section .................................................................................................................................................................... 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.)
Triple Section ................................................................................................................................................................... 0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)
Quadruple Section .......................................................................................................................................................... 0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.)
Starting and Running Torque (Locking Bushings) ..................................................................................................... 0.14 to 2.82 N-cm (0.2 to 4.0 oz.-in.)
Shaft Locking Torque with Locknut @ 10 in-lb. (B & E Bushings) ........................................................................................................ 14 N-cm (20 oz-in.)
Mounting ...................................................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum
Weight (Single Section).............................................................................................................................................................................. 21 grams maximum
(Each Additional Section) ...................................................................................................................................................................... 6 grams maximum
Terminals .......................................................................................................................................................................... Printed circuit terminals or J-Hooks
Soldering Condition .................................................................. Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Marking.......................................................................... Manufacturer’s trademark, wiring diagram, date code and resistance, manufacturer’s part number
Ganging (multiple section potentiometers) ..................................................................................................................................................... 4 cup maximum
Hardware ...........................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
For dimensional drawings see pages 3 & 4.
For ordering information see page 5.
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
81/82 - 5/8 ” Square Single-Turn Panel Control
85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
Rotary Switch Specifications
Initial Electrical Characteristics1
Contacts:
DPST ...............................................................................................................................................................................N.O/N.O.,N.C./N.C. or N.O./N.C.
Power Rating (Resistive Load):
DPST ............................................................................................................ 2 A @ 125 volts RMS-60 Hz or 2 A @ 28 VDC, 1 A @ 250 volts RMS-60 Hz
Contact Resistance (0.1 VDC-10 mA) ..................................................................................................................................................... 10 milliohms nominal
Contact Bounce ................................................................................................................................................................................ 5 milliseconds maximum
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ............................................................................................................................................................................................. 1500 VAC minimum
Insulation Resistance ....................................................................................................................................................................... 1000 megohms minimum
Environmental Characteristics1
Operating Temperature Range ....................................................................................................................................................................... -40 °C to +70 °C
Storage Temperature Range ........................................................................................................................................................................ -65 °C to +125 °C
Vibration (Dual Section) ....................................................................................................................................................................................................... 8 G
(Triple Section) .................................................................................................................................................................................................... 5 G
(Quadruple Section) ........................................................................................................................................................................................... 3 G
Contact Resistance ........................................................................................................................................................................ 10 milliohms maximum
Contact Bounce ......................................................................................................................................................................... 0.1 millisecond maximum
Shock (Dual Section) ......................................................................................................................................................................................................... 20 G
(Triple Section) ...................................................................................................................................................................................................... 15 G
(Quadruple Section) ............................................................................................................................................................................................. 10 G
Contact Resistance ........................................................................................................................................................................ 10 milliohms maximum
Contact Bounce ......................................................................................................................................................................... 0.1 millisecond maximum
Rotational Life ..................................................................................................................................................................................................... 25,000 cycles
Switch Actuating Torque (50% Duty cycle @ Rated Power Load) .................................................................................. 1.41 to 4.94 N-cm (2 to 7 oz.-in.)
Contact Resistance ...................................................................................................................................................................... 100 milliohms maximum
Moisture Resistance (MIL-STD-202, Method 106, Condition B)
Contact Resistance (0.1 VDC-10 mA) ............................................................................................................................................ 10 milliohms maximum
Insulation Resistance (After 24 Hours @ Room Temperature) (500 VDC) .................................................................................... 100 megohms minimum
Switch Housing Material ................................................................................................................. High temperature, flame retardant, thermosetting plastic
Mechanical Characteristics1
Actuating Torque (Each Section, Switch Module Only) ....................................................................................................... 3.53 to 10.6 N-cm (5 to 15 oz.-in.)
Running Torque (Out of Detent, 2-4 Module Assembly)..................................................................................................... 0.21 to 1.41 N-cm (0.3 to 2 oz.-in.)
Detent ..................................................................................................................................................................................................... CW or CCW standard
Actuation Angle ...................................................................................................................................................................................................................25 °
Contact Materials ..........................................................................................................................................................................Fine silver with gold overlay
Terminal Styles .................................................................................................................................................................................................. Solder lug only
Standard Orientation ..............................................................................................................................................................In-line with control terminals
Optional .......................................................................................................................................................................... Rotated 90 ° CCW from standard
Terminal Strength (Before and After Soldering Heat Exposure) .......................................................................................................... 0.9 Kg (2 lbs.) minimum
NOTE: Model 81/82 performance specifications do not apply to units subjected to printed circuit board cleaning procedures.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
81/82 - 5/8 ” Square Single-Turn Panel Control
Product Dimensions
"A" Bushing
3/8 " (9.53 mm) Dia. Plain - Single Shaft
9.50 ± .38
(.375 ±.015)
12.7,15.88,19.05,22.23± .79
(1/2, 5/8, 7/8, ± 1/32)
STANDARD
3/8-32 UNEF
6.35 ± .03
DIA.
(1/4 ± 1/32)
SHAFT SLOT 1.19 WIDE X
(.047)
1.60+.38/-.00 DEEP
(.063+.015/-.000)
.25
45 ° ±5 ° X (.010)
CHAMFER
7.92
MIN.
(.312)
9.53 ± .13
(.375 ± .005)
PILOT DIA.
5.49 OPTIONAL FLAT 16.00 LONG OR 1.52 FROM
(.63)
(.216)
(.06)
17.46
"A" BUSHING END FOR SHAFTS UNDER
(11/16)
"E" Bushing
1/4 " (6.35 mm) Dia. Locking - Single Shaft
15.88 ± .79
(5/8 ± 1/32)
STANDARD
3.18 ± .03
DIA.
(.125 ± .001)
12.7 ± .13
(.500 ± .005)
1/4-32 UNEF
"B" Bushing
3/8 " (9.53 mm) Dia. Plain - Single Shaft
3/8-32 UNEF
6.35 ± .05
(.250 ± .002)
PILOT DIA.
.25
45 ° ±5 ° X (.010)
CHAMFER
11.13
(.438)
MIN.
6.32 ± .03
DIA.
(.249 ± .001)
.25
45 ° ±5 ° X
CHAMFER (.010)
3/8-32 UNEF
9.53,12.7,15.88,19.05,22.23 ± .79
(3/8, 1/2, 5/8, 3/4, 7/8, ± 1/32)
STANDARD
3.162 ± .025
DIA.
(.1245 ± .001)
.79
SHAFT SLOT
WIDE X
(.031)
.79 ± .25 DEEP
(.031 ± .010)
1/4-32 UNEF
28.58 ± .79
(1-1/8 ± 1/32)
STANDARD
9.53
(.375)
4.45
(.175)
MIN.
.25
45 ° ±5 ° X
CHAMFER (.010)
6.35 ± .05
(.250 ± .002)
PILOT DIA.
2.39 ± .13 OPTIONAL FLAT 6.35 LONG OR 1.52 FROM
(.094 ± . 005)
(.250)
14.30 (.06)
"C" BUSHING END FOR SHAFTS UNDER
(9/16)
"A" Bushing
3/8 " (9.53 mm) Dia. Plain - Concentric Shaft
19.05 ± .79
(3/4 ± 1/32)
STANDARD
6.35 ± .13
(.250 ± .005)
1.19
SHAFT SLOT
WIDE X
(.047)
1.60 + .38/- .00 DEEP
(.063 +.015/-.000)
9.53 ± .13
(.375 ± .005)
PILOT DIA.
SHAFT SLOT .78 WIDE X
.78 ± .03 (.031)
(.031 ± .001) DEEP
10.80
(.425)
MIN.
15.88 ± .79
(5/8 ± 1/32)
STANDARD
12.70 ± .13
(.500 ± .005)
"C" Bushing
1/4 " (6.35 mm) Dia. Plain - Single Shaft
6.32 ± .03
DIA.
(.249 ±.001)
3.162 ± .025
DIA.
(.1245 ± .001)
1.98 ± .03
TRIPLE CONCENTRIC (.078 ± .001)DIA.
(SPECIAL ORDER)
7.47
OUTER SHAFT
DIA. OPERATES SECTION #1 INNER SHAFT
(.249)
3.18
DIA.
OPERATES
SECTION #2, #3, & #4 ("G" STYLE)
(.125)
"C" Bushing
1/4 " (6.35 mm) Dia. Plain - Concentric Shaft
25.40 ± .79
(1 ± 1/32)
STANDARD
15.88 ± .79
(5/8 ± 1/32)
STANDARD
1.98 ± .03
DIA.
(.078 ± .001)
6.35
(.25)
3.162 ± .025
DIA.
(.1245 ± .001)
1/4-32 UNEF
OUTER SHAFT 3.18 DIA. OPERATES SECTION #1 INNER SHAFT
(.125)
.078
(1.95) DIA. OPERATES SECTION #2, #3, & #4 ("K" STYLE)
"S" Bushing
10 mm Dia. Locking - Single Shaft
12.50 ± 0.38
(.492 ± .015)
22.00 ± 0.79
(.866 ± .031)
STANDARD
1.01 ± 0.10
(.040 ± .004)
1.80 ± 0.25
DEEP
WIDE X
(.071 ± .010)
1
SHAFT SLOT
M10 x 0.75-6g
MIN.
10.92
(.430)
6.000 +0.000/-0.075
DIA.
(.236 +.000/-.003)
.25
45 ° ±5 ° X
CHAMFER (.010)
DIMENSIONS:
MM
(INCHES)
3
CCW
2
POTENTIOMETER
9.90
PILOT DIA.
(.390)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
81/82 - 5/8 ” Square Single-Turn Panel Control
Product Dimensions
Dual Unit - PC Pins & J-Hook
Triple Unit - PC Pins & J-Hook
46.36 ± 1.19
(1.825 ± .047)
10.16 ± .38
TYP.
(.400 ± .015)
10.16 ± .38
(.400 ± .015)
Model 81/82
Single Unit - PC Pins & J-Hook
15.88 ± .41
(.625 ± .016)
Quad Unit - PC Pins & J-Hook
36.20 ± 1.19
(1.425 ± .047)
26.04 ± .79
(1.025 ± .031)
15.88 ± .38
(.625 ± .015)
10.16 ± .38
TYP.
(.400 ± .015)
Model 81
Suggested PC Board Layout - PC Pins
(Single-Shaft Style Bottom View)
11.94
(.470)
5.08 ± .13
(.200 ± .005)
1.14
DIA.
(.045)
Shaft Flat Orientation*
120 ° ± 5 ° CCW END
1
3
9.58 ± .38
(.377 ± .015)
15.88 ± .38
(.625 ± .015)
2
1 2 3
FLATTED SHAFT
12.7
(.50)
5.33 ± .76
(.210 ± .03)
3.81
MAX. 3 PLCS.
(.150)
.81
DIA.
(.032)
5.08 ± .38
(.200 ± .015)
Terminal outlines shown as solid lines represent PC Pins, available
on Model 81. Dashed line terminal outline represents "J" Hook,
available on Model 82.
5.97 ± .38
(.235 ± .015)
5.08 ± .38
(.200 ± .015)
10.16 ± .13
(.400 ± .005)
5.08 ± .13
(.200 ± .005)
Note: For units with dual concentric shaft styles, a
2.54 (.100) spacer is added between the module(s) driven
by the outer shaft and those driven by the inner shaft.
For G, K, or V shafts, add the spacer between
modules 1 and 2. For L or M shafts, add the spacer
between modules 2 and 3. For N or P shafts, add the
spacer between modules 3 and 4.
DIMENSIONS:
30 ° ±5 °
SLOTTED SHAFT
*EXCLUDES MODELS 83 AND 84
MM
(INCHES)
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
Product Dimensions
Primary Potentiometer Module
Model 85/86
14.53
(.572)
Secondary Potentiometer Module
Model 85/86
10.16
(.400)
9.58 ± .38
(.377 ± .015)
Shaft Flat Orientation*
15.88
(.625)
30 ° ± 5 °
120 ° ± 5 ° CCW END
15.88
(.625)
12.7
(.50)
FLATTED SHAFT
5.08
(.200) 8.56
(.337)
8.56
(.337)
Switch Module
Model 85/86
REAR
PLATE
COVER
1.60
5.08 (.063)
(.200)
5.97
(.235)
SLOTTED SHAFT
*EXCLUDES MODELS 83 AND 84
5.08
(.200)
Assembly Sequence
Model 85/86
Secondary Potentiometer Module
2.77
(.109)
Switch Module Terminal Orientation
3
1
2.29
(.090)
TYP.
6 PLACES
1.35
(.053)
18.42
(.725)
4
2.92
(.115)
9.53
(.375)
3
1
REAR
COVER
PLATE
SWITCH
MODULE
2
1
HORIZONTAL ORIENTATION
(Types R56, R57, R58 & R59)
4
3
4
2
1
2
DPST (NO/NC)
(TYPES 50, 51, 56, 57)
PRIMARY
POTENTIOMETER
MODULE
3
2
VERTICAL ORIENTATION
(Types R50, R51, R52 & R53)
2.41
1.14
(.095)L X (.045)W
SLOT TYP. 6 PLACES
4
DPST (NO/NO)
(TYPES 52, 53, 58, 59)
Switch contacts shown in detent position.
Locating Lug Options - All Model 80 Series
A
E
7.75
(.305)
.46
(.018)
J
9.53
(.375)
13.49
(.531)
.79 ± .41
(.031 ± .016)
E = 2.36 ± .76
(.093 ± .03)
H & J = 1.98 ± .41
(.078 ± .016)
2.31
(.091)
3.18
(.125)
.46
(.018)
A
2.36
(.093)
7.75
(.305)
.127
TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.005)
C
7.75
(.305)
.46
(.018)
.79 ± .41
(.031 ± .016)
MOUNTING
SURFACE
.XX ± .38
(.015)
ANGLE ± 5 %
RECOMMENDED
PANEL LAYOUT
7.75
#40 DRILL
(.305)
2.49
DIA.
(.098)
DIMENSIONS:
2.31
(.091)
9.91
DIA.
(.390)
MM
(INCHES)
NOTE: "D" OPTION - NO A/R LUG. OTHER LOCATING LUG OPTIONS AVAILABLE. CONSULT FACTORY FOR DETAILS.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
81/82 - 5/8 ” Square Single-Turn Panel Control
85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch
How To Order
81
A
2
A
-
B
28
-
A
15
/
A15
L
Models 81 & 82: Part number for multiple section
potentiometers must have a taper and resistance value for
each section.
85
A
2
A
-
B
28
-
A
15
/
R51
L
Models 85 & 86: Part number must contain a switch type.
A
B
C
D
E
F
J
K
# SECTIONS
1 Single
2 Double
3 Triple
4 Quad
A
B
C
E
J
N
R
S
U
81
82
85
86
RoHS IDENTIFIER
L
Compliant
ANTI-ROTATION LUG
Single .305 R, 90 °CW
Double .305 R, 90 ° & 270 °CW
Single .305 R, 270 °CW
No Lug
Single .531 R, 90 °CW
Single .305 R, 180 °CW
Single .375 R, 90 °CW
Double .375 R, 90 ° & 270 °CW
APPLICABLE MODELS
81,82
81,82,85,86
81,82,85,86
81,82,85,86
BUSHING
Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
Locking 3/8 ” (9.53 mm) D x 1/2 ” (12.7 mm) L
Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L
Locking 1/4 ” (6.35 mm) D x 1/2 ” (12.7 mm) L
Plain 3/8 ” (9.53 mm) D x 1/4 ” (6.35 mm) L
Plain 1/4 ” (6.35 mm) D x 3/8 ” (9.53 mm) L
Plain 10 mm D x 9 mm L
Locking 10 mm D x 12.5 mm L
Plain 7 mm D x 6 mm L
MODEL
Single-Turn, PC Pins
Single-Turn, J-Hooks
Single-Turn, Pot/Rotary Switch, PC Pins
Single-Turn, Pot/Rotary Switch, J-Hooks
SWITCH TYPE (MODELS 85 & 86 ONLY)
(R50) DPST N.O./N.C. CW Detent In-Line Term
(R51) DPST N.O./N.C. CCW Detent In-Line Term
(R52) DPST N.O./N.O. CW Detent In-Line Term
(R53) DPST N.O./N.O. CCW Detent In-Line Term
(R56) DPST N.O./N.C. CW Detent Horz Term
(R57) DPST N.O./N.C. CCW Detent Horz Term
(R58) DPST N.O./N.O. CW Detent Horz Term
(R59) DPST N.O./N.O. CCW Detent Horz Term
SHAFT
AVAILABLE
LENGTH
ONLY IN
(FMS)
BUSHING
Code Description
Code
12
3/8 ” L
C, N, J
16
1/2 ” L
A, C, J, N
20
5/8 ” L
A, B, C, E, J, N
24
3/4 ” L
A, B, C, E, J, N
28
7/8 ” L
A, B, C, E, J, N
32
1”L
A, B, C, E, J, N
36
1-1/8 ” L
A, B, C, E, J, N
40
1-1/4 ” L
A, B, C, E, J, N
Metric
10
10 mmL
U
13
13 mmL
U
16
16 mmL
R, S
19
19 mmL
R, S
22
22 mmL
R, S, U
30
30 mmL
R, S
42
42 mmL
R, S
50
50 mmL
R, S
SHAFT TYPE
A
B
C
E
F
G
K
L
M
N
P
R
T
V
Single Plain 1/4 ” (6.35 mm) D
Single Slotted 1/4 ” (6.35 mm) D
Single Flatted 1/4 ” (6.35 mm) D
Single Slotted 1/8 ” (3.18 mm) D
Single Flatted 1/8 ” (3.18 mm) D
Dual Concentric Plain 1/4 ” (6.35 mm) D - 1/8 ” (3.18 mm) D
Outer Operates Section 1
Dual Concentric Plain 1/8 ” (3.18 mm) D - 5/64 ” (1.98 mm) D
Outer Operates Section 1
Dual Concentric Plain 1/4 ” (6.35 mm) D - 1/8 ” (3.18 mm) D
Outer Operates Section 1/2
Dual Concentric Plain 1/8 ” (3.18 mm) D - 5/64 ” (1.98 mm) D
Outer Operates Section 1/2
Dual Concentric Plain 1/4 ” (6.35 mm) D - 1/8 ” (3.18 mm) D
Outer Operates Section 1/2/3
Dual Concentric Plain 1/8 ” (3.18 mm) D - 5/64 ” (1.98 mm) D
Outer Operates Section 1/2/3
Single Slotted 6 mm D
Single Slotted 4 mm D
Dual Concentric Plain 6 mm D - 3 mm D
Outer Operates Section 1
AVAILABLE ONLY IN
LENGTHS
BUSHINGS
(CODE)
(CODE)
16,20,24,28
A, B, J
16,20,24,28
A, B, J
20,24,28
A, B, J
12,16,20,24,28 C, E, N
24
C, N
36,40
A, J
32,36
C, N
36,40
A, J
32,36
C, N
36,40
A, J
32,36
C, N
16,19,22,50
10, 13, 22
30, 42
R, S
U
R
ELEMENT TAPER
TYPE/TOLERANCE
(A)
Linear Cermet ±10 %
(H)
Linear Cermet ±5 %
(B)
(E)
Linear C-P ±20 %
Linear C-P ±10 %
(C)
(D)
(F)
(G)
(S)
(T)
CW Audio Cermet ±10 %
CW Audio C-P ±20 %
CCW Audio Cermet ±10 %
CCW Audio C-P ±20 %
CW Audio C-P ±10 %
CCW Audio C-P ± 10 %
RESISTANCE CODE
VALUE IN OHMS
(05) - 100
(30) - 15 K
(28) - 150
(16) - 20 K
(06) - 200
(17) - 25 K
(07) - 250
(18) - 50 K
(08) - 500
(19) - 75 K
(09) - 750
(20) - 100 K
(10) - 1 K
(31) - 150 K
(29) - 1.5 K (21) - 200 K
(11) - 2 K
(22) - 250 K
(12) - 2.5 K (23) - 500 K
(13) - 5 K
(24) - 750 K
(14) - 7.5 K (25) - 1 M
(15) - 10 K
(10) - 1 K
(18) - 50 K
(12) - 2.5 K (20) - 100 K
(13) - 5 K
(22) - 250 K
(15) - 10 K (23) - 500 K
(16) - 20 K (25) - 1 M
(17) - 25 K
(10) - 1 K
(18) - 50 K
(12) - 2.5 K (20) - 100 K
(13) - 5 K
(22) - 250 K
(15) - 10 K (23) - 500 K
(17) - 25 K (25) - 1 M
Boldface features are Bourns standard options.
All others are available with higher minimum order
quantities.
REV. 11/14
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.