BOURNS 53CBD-B28-A15L

PL
IA
NT
CO
M
*R
oH
S
Features
■ RoHS compliant*
■ Conductive plastic or cermet
■ Linear and audio tapers
■ PC board and bushing mount
■ Gangable
■ Metal bushing and shaft
■ Sealed for board washing
51/53 - Sealed 1/2 ” (12.5 mm) Square Control
Electrical Characteristics1
Conductive Plastic
Cermet
Standard Resistance Range
Linear ...................................................................................................1 K ohms to 1 megohm ......................... 150 ohms to 1 megohm
Audio ....................................................................................................1 K ohms to 1 megohm ......................... 1 K ohms to 1 megohm
Total Resistance Tolerance
Linear Tapers ........................................................................................±10 % or ±20 % .................................... ±10 % or ±5 %
Audio Tapers ........................................................................................±10 % or ±20 % .................................... ±10 %
Independent Linearity .................................................................................±5 % ...................................................... ±5 %
Absolute Minimum Resistance ...................................................................2 ohms maximum .................................. 2 ohms maximum
Effective Electrical Angle ............................................................................270 ° ±5 ° .............................................. 270 ° ±5 °
Contact Resistance Variation .....................................................................2 % ........................................................ 2 %
Dielectric Withstanding Voltage (MIL-STD-202 – Method 301)
Sea Level ..............................................................................................1,500 VAC minimum .............................. 1,500 VAC minimum
70,000 ..................................................................................................500 VAC minimum ................................. 500 VAC minimum
Insulation Resistance .................................................................................1,000 megohms minimum ..................... 1,000 megohms minimum
Power Rating At 70 °C (Derate To 0 At 125 °C)
(Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
Linear Tapers ........................................................................................0.5 watt.................................................. 1.0 watt
Audio Tapers ........................................................................................0.25 watt................................................ 0.5 watt
Theoretical Resolution ................................................................................Essentially infinite .................................. Essentially infinite
Environmental Characteristics1
Operating Temperature Range ...................................................................+1 °C to +125 °C ................................... +1 °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 % TRS maximum ........................... ±5 % TRS maximum
Rotational Life (No Load) ............................................................................50,000 cycles ........................................ 25,000 cycles
Total Resistance Shift ...........................................................................±10 % TRS maximum ........................... ±10 % TRS maximum
Contact Resistance Variation @ 25,000 Cycles ...................................±2 % ...................................................... ±4 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift ...........................................................................±10 % TRS ............................................ ±5 % TRS
IP Rating .....................................................................................................IP 64 ...................................................... IP 64
Mechanical Characteristics
Stop Strength ............................................................................................................................................................................................... 56 N-cm (5 lb.-in.)
Mechanical Angle ...................................................................................................................................................................................................... 290 ° ±5 °
Torque
Starting (Dual Sections).............................................................................................................................................. +0.35 N-cm (+0.5 oz.-in.) maximum
Running (Single Section) ............................................................................................................................................. 0.15 to 1.4 N-cm (0.2 to 2.0 oz.-in.)
Running (Dual Section) ................................................................................................................................................ 0.35 to 1.8 N-cm (0.5 to 2.5 oz.-in.)
Mounting (Torque on Bushing) .......................................................................................................................... 1.7 to 2.0 N-m (15 to 18 lb.-in.) maximum
Weight (Single Section).............................................................................................................................................................................................. 5.5 grams
(Additional Section) ............................................................................................................................................................................................. 3.0 grams
Terminals ................................................................................................................................................................................................... PC pin or solder lug
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.
Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean flux.
Marking.................................................................................................................. Manufacturer’s trademark, part number, resistance value and date code.
Ganging (Multiple Section Potentiometer) ............................................................................................................................................ 2 sections maximum**
Hardware ...........................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
1At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted.
** Additional sections available on special request with higher minimum order quantities.
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
51/53 - Sealed 1/2 ” (12.5 mm) Square Control
Product Dimensions
PACKAGE DIMENSIONS
16.51 ± 0.25
(.650 ± .010)
FMS
7.62
(.300)
MODEL 51
5.08
(.200)
6.35
(.250)
8.89 ± 0.18
(.350 ± .007)
.64
"L"
( .025)
12.5
(.492)
6.25
(.246)
11.00
DIA.
(.432)
7.00
(.275)
1.32
(.052)
TYP.
2.54
(.100)
CL OF POT
0.74
(.029)
0.30
(.0118)
7.62 ± 0.30
(.300 ± .012)
6.60 ±0.38
(.260 ± .015)
2.54
(.100)
2.54
(.100)
.66 ± .05
3X
(.026 ± .002)
5.08 ± 0.30
(.200 ± .012)
(SINGLE AND DUAL MODULE SHOWN)
12.5
(.492)
.64
( .025)
6.25
(.246)
11.00
DIA.
(.432)
7.00
(.275)
3
2.40
(.094)
2
1
5.0 ± 0.51
(.197 ± .020)
0.90
(.036)
1.32 ± 0.25
(.052 ± .010)
2X
5.08 ± 0.30
(.200 ± .012)
2X
5.08
(.200)
5.08
(.200)
2X
1.80
(.071)
6.60 ±0.38
(.260 ± .015)
.41 ± .05
( .016 ± .002)
7.62 ± 0.30
(.300 ± .012)
6.35 ± .25
(.250 ± .010)
(DOUBLE MODULE FRONT AND REAR BRACKET SHOWN)
SOLDER LUG TERMINALS
MODEL 53
0.74
(.029)
0.91 ± .051
(.036 ± .002)
1.02
(.040)
DIA.
6 PLCS.
2.54
(.100) TERMINAL SPACING
PACKAGE DIMENSIONS PCB MOUNTING BRACKET
"L"
1.27
(.050)
DIA.
4 PLCS.
4.70
(.185)
ELECTRICAL SCHEMATIC
2.54
(.100)
CCW
3
1
CW
2
ANTI-ROTATION LUG
(Style "A", 90 CW Shown)
SHAFT FLAT
ORIENTATION
0.80 ± 0.30
(.031 ± .012)
0.41
(.016)
SUGGESTED PANEL LAYOUTS
The Model 50 can be used with either
of the two panel layouts shown below.
5.70
(.224)
6.20
(.244)
1.52
(.060)
6.35
(.250)
132 ° ± 5 ° CCW END
2.20
(.087)
BUSHING DIAMETER
TOLERANCE
+0.80
( +.031)
DIMENSIONS:
MM
(INCHES)
2.77
(.109)
BUSHING DIAMETER
TOLERANCE
+0.80
( +.031)
.25
FOR TOLERANCES SHOWN: .XX = ± (.010)
.XXX = ± .13
(.005)
SHAFT DIMENSIONS ± .80
(1/32)
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
51/53 - Sealed 1/2 ” (12.5 mm) Square Control
Shaft/Bushing Styles
9.53
(.375)
3/8-32UNEF-2A
How To Order
1.60 ± 0.25
OPT.
(.063 ± .010)
1.194 ± 0.10
OPT.
(.047 ± .004)
A Style Bushing
STD. LENGTH ‘L’
.500
(12.7)
.625
(15.88)
.750
(19.05)
.875
(22.23)
1.000
(25.4)
51
A
A
D
-
B
28
-
6.35
9.53
SHAFT
BUSHING
(.250)
(.375)
6.35
(.250)
0.79 ± 0.25
OPT.
(.031 ± .010)
1/4-32UNEF-2A
0.79 ± 0.10
OPT.
(.031 ± .004)
3.18
6.35
SHAFT
BUSHING
(.125)
(.250)
9.53
(.375)
MAX. FLAT LENGTH
1.52 ± 0.25
OPT.
(.060 ± .010)
3/8-32UNEF-2A
6.35
9.53
SHAFT
BUSHING
(.250)
(.375)
.315
(8.0)
M6 X .075-6g
15.88
(.625)
5.49 ± 0.10
OPT.
(.216 ± .005)
1.52 ± 0.25
(.060 ± .010)
0.79 ± 0.10
(.031 ± .004)
S Style Bushing
STD. LENGTH ‘L’
.394
(10.0)
.512
(13.0)
.630
(16.0)
.866
(22.0)
.984
(25.0)
3.0
6.0
SHAFT
BUSHING
(.118)
(2.36)
8.0
(.315)
1.52 ± 0.25
(.060 ± .010)
0.79 ± 0.10
(.031 ± .004)
M7 X .075-6g
4.0
7.0
SHAFT
BUSHING
(.157)
(2.75)
9.5
(.374)
1.80 ± 0.25
(.071 ± .010)
1.00 ± 0.10
(.039 ± .004)
M10 X 0.75-6g
6.0
10.0
SHAFT
BUSHING
(.236)
(.394)
DIMENSIONS:
MM
(INCHES)
U Style Bushing
STD. LENGTH ‘L’
.394
(10.0)
.512
(13.0)
.630
(16.0)
.866
(22.0)
.984
(25.0)
R Style Bushing
STD. LENGTH ‘L’
.512
(13.0)
.630
(16.0)
.866
(22.0)
.984
(25.0)
15
L
RoHS IDENTIFIER
Code Description
L
Compliant
C Style Bushing
STD. LENGTH ‘L’
.375
(9.53)
.500
(12.7)
.625
(15.88)
.750
(19.05)
.875
(22.23)
1.000
(25.4)
A Style Bushing Flatted Shaft
STD. LENGTH ‘L’
.625
(15.88)
.750
(19.05)
.875
(22.23)
1.000
(25.4)
A
MOUNTING BRACKET/
ANTI-ROTATION LUG
Code Description
AR Lug 90 °CW
A
No AR Lug or Bracket
D
Front Bracket
L
Rear Bracket
M
Front and Rear Bracket
N
# SECTIONS/DETENTS
Code Description
Single No Detent
A
Double No Detent
B
Single w/Center Detent
E
Double w/Center Detent
F
ELEMENT TAPER
TYPE/TOLERANCE
Code Description
(A)
Linear Cermet ±10 %
(H)
Linear Cermet ±5 %
(B)
(E)
Linear C-P ±20 %
Linear C-P ±10 %
(C)
CW Audio Cermet
±10 %
CCW Audio Cermet
±10 %
(F)
BUSHING CONFIGURATION
Code Description
3/8 ” D x 3/8 ” L
A
1/4 ” D x 1/4 ” L
C
10 mm D x 9.5 mm L
R
6 mm D x 8 mm L
S
7 mm D x 8 mm L
U
MODEL
Code Description
51 PC Pins (.100 ” centers)
53 Solder Lugs
Code
B
C
D
E
R
T
U
(D)
(S)
CW Audio C-P ±20 %
CW Audio C-P ±10 %
(G)
CCW Audio C-P
±20 %
CCW Audio C-P
±10 %
(T)
(Y)
CW Dual Audio
Taper C-P ±20 %
AVAILABLE ONLY IN
SHAFT TYPE
BUSHINGS
LENGTHS
Description
Code
Description
Single Slotted 1/4 ”D
A
24,28
Single Flatted 1/4 ”D
A
20,24,28,32
Single Plain 1/8 ”D
C
16,20,24,28
Single Slotted 1/8 ”D
C
12,16,20,24,28
Single Slotted 6 mmD
R
16,22,25
Single Slotted 4 mmD
U
16,22,25
Single Slotted 3 mmD
S
16,22,25
RESISTANCE
(CODE)
VALUE IN OHMS
(28) — 150
(14) — 7.5 K
(06) — 200
(15) — 10 K
(07) — 250
(30) — 15 K
(08) — 500
(16) — 20 K
(09) — 750
(17) — 25 K
(10) — 1 K
(18) — 50 K
(29) — 1.5 K (19) — 75 K
(11) — 2 K
(20) — 100 K
(12) — 2.5 K (23) — 500 K
(13) — 5 K
(25) — 1 M
(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
(23) — 500 K
(15) — 10 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
(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
(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
SHAFT
LENGTH
(FMS)
Code Description
12
3/8 ”
16
1/2 ”
20
5/8 ”
24
3/4 ”
28
7/8 ”
32
1”
Metric
16
16 mm
22
22 mm
25
25 mm
AVAILABLE
ONLY IN
BUSHING
Code
C
A, C
A, C
A, C
A, C
A, C
R, S, U
R, S, U
R, S, U
Boldface features are Bourns standard options. All others are available with higher
minimum order quantities.
REV. 09/11
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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