PL IA N T Features M ■ Available in a variety of pin-out *R oH S CO configurations ■ Virtually infinite electrical circuit isolation ■ Metal or plastic shaft options ■ RoHS compliant* Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control 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 ...............................10 % or 20 % .................................................... 5% or 10% 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 (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 tapers) 10 ohms or ±15 % TRS max. ......(All tapers) ±5 % TRS max. (whichever is greater) (Audio tapers) ±20 % maximum Contact Resistance Variation @ 50,000 cycles ........................................... (Linear tapers) ±2 %.............................................±2 % (Audio tapers) ±3 % .............................................±3 % Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ................................... (Linear tapers) ±10 % TRS maximum .................(All tapers) ±5 % TRS maximum (Audio tapers) ±20 % TRS maximum Insulation Resistance (500 VDC) .................. 100 megohms minimum ......................................100 megohms minimum IP Rating ............................................................ IP 40 .....................................................................IP 40 *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. Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control Mechanical Characteristics1 Stop Strength (1/4 ” D shaft) .............................................................................................................................................45.19 N-cm (4 lb.-in.) (1/8 ” D shaft) .............................................................................................................................................33.89 N-cm (3 lb.-in.) Mechanical Angle.................................................................................................................................................................................300 ° ±5 ° Torque Starting ........................................................................................................................................... 0.3 max. above average running torque Running Torque Single or Dual Section (A & R Bushings) ....................................................................................... 0.21 to 1.06 N-cm (0.3 to 1.5 oz.-in.) Single or Dual Section (C & U Bushings) ....................................................................................... 0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) Mounting .............................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum Variation ...................................................................................................................... 0.35 N-cm (0.5 oz.-in.) maximum in 45 ° shaft travel Weight (Single Section, Metal Bushing)...............................................................................................................................12.7 grams nominal (Each Additional Section) ....................................................................................................................................................4 grams nominal Terminals .................................................................................................................................Printed circuit terminals, J-Hooks or solder lugs 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, date code, resistance, manufacturer’s part number Ganging (Multiple Section Potentiometers).............................................................................................................................2 cups maximum Hardware ...................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number. NOTE: 1At Performance specifications do not apply to units subjected to printed circuit board cleaning procedures. 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. Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control Product Dimensions Model 91 PC Pin Terminals, In-Line Model 92 J-Hooked Terminals, In-Line MOUNTING SURFACE L 22.86 ± 0.43 (.900 ± .017) 15.88 (.625) DIA. 13.72 ± 0.38 (.540 ± .015) 12.70 ± .229 (.500 ± .009) 7.92 (.312) 1.37 ± 0.08 (.054 ± .003) 2.36 ± 0.08 (.093 ± .003) 0.79 ± .025 (.031 ± .010) .79 (.031) 2 PLCS. .254 (.010) GAP 3 2 1 SEE HOW TO ORDER CHART FOR BUSHING OPTIONS. 10.16 ± 0.30 (.400 ± .012) R2 1 2 3 1.52 (.06) 15.29 ± 0.56 (.602 ± .022) Model 94 J-Hooked Terminals, "L" Pattern 2.54 (.100) SEE NEXT PAGE FOR SHAFT OPTIONS. 5.08 (.20) 9.53 (.375) 11.05 ± 0.20 (.435 ± .008) R1 1 2 3 1.19 R (.047) “A” STYLE A.R. LUG 0.76 ± 0.05 (.030 ± .002) TYP. 2.54 (.100) Model 93 PC Pin Terminals, "L" Pattern MOUNTING SURFACE 22.86 ± 0.43 (.900 ± .017) L 12.70 ± .229 (.500 ± .009) 0.79 ± .025 (.031 ± .010) SEE HOW TO ORDER CHART FOR BUSHING OPTIONS. DIA. 0.81 TYP. (.032) 10.16 ± 0.30 (.400 ± .012) 5.08 ± 0.38 (.200 ± .015) 11.05 ± 0.20 (.435 ± .008) R2 3 2 3 2 9.53 (.375) 5.33 ± .76 (.21 ± .03) Shaft Flat Orientation 12.7 ± 1.02 (.500 ± .040) 120 ° ± 5 ° STD. FLAT ORIENTATION (SHAFT AT CCW END) 2.54 (.100) SEE NEXT PAGE FOR SHAFT OPTIONS. 1 .81 (.032) R. MAX. 3.81 (.150) MAX. TYP. 1.19 R (.047) “A” STYLE A.R. LUG R1 1 7.92 (.312) 1.37 ± 0.08 (.054 ± .003) 2.36 ± 0.08 (.093 ± .003) 1.52 (.06) GAP 3 2 1 15.88 (.625) DIA. 13.72 ± 0.38 (.540 ± .015) 2.54 (.100) 0.76 ± 0.05 (.030 ± .002) TYP. 1 CCW 3 2 POTENTIOMETER Model 95 Solder Lug Terminals, "Triangular" Pattern 5.08 ± 1.02 (.200 ± .040) 5.59 ± .20 (.220 ± .008) 4.45 ± .38 (.175 ± .015) 10.16 (.40) 2.54 (.100) 2.54 (.100) 2.03 (.080) 3 PLCS. .41 (.016) 2.29 1.02 (.040) WIDE X (.090) LONG 3 PLCS. 1 2 3 3 2 1 4.45 ± .38 (.175 ± .015) .381 TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64 9.65 .XX ± ANGLE ±5 ° (.38) 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. Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control Product Dimensions Plastic Shaft Styles SHAFT TYPE "B" (USES BUSHING A) SHAFT TYPE "D" (USES BUSHING C) 1.60+.38/-.00 (.063+.015/-.000) 6.32+.000/-.152 (.249+.000/.006) DIA. 1.19 (.047) 12.70 (.500) STD. LENGTHS: 15.88 19.05 (.625) (.750) 22.23 (.875) SHAFT TYPE "C" (USES BUSHING A) 1.80 ± .25 (0.07 ± .001) 16.0 (.630) 14.27 ± .25 (.562 ± .010) 48 TOOTH 25.40 (1.00) SHAFT TYPE "S" (USES BUSHING R) “F” ± .381 (“F” ± .015) 6.32+.010/-.025 (.2490+.0004/.0010) DIA 5.486 ± .051 (.216 ± .002) STD. LENGTHS: 19.05 (.750) 6.31+.025/-.051 (.2485+.001/.002) DIA. STD. LENGTHS: 22.0 (.866) SHAFT TYPE "H" (USES BUSHING A) 6.32+.010/-.025 (.2490+.0004/.0010) DIA 22.23 (.875) 25.4 (1.000) STD. LENGTHS: 16.0 (.630) 22.23 (.875) 0.79 ± 0.25 (.031 ± .010) 3.16 (.1245) DIA 7.95 (.313) 1.80 ± 0.25 (.071 ± .010) 16.0 (.625) 19.0 (.750) 1.60+.38/-.00 (.063+.015/-.000) 6.32+.010/-.025 (.2490+.0004/.0010) DIA. 1.194 (.047) 12.70 (.500) STD. LENGTHS: 15.88 19.05 (.625) (.750) 1.50 ± 0.25 (.059 ± .010) 1.00 ± 0.13 (.039 ± .054) SHAFT TYPE "G" (USES BUSHING A) 12.98 (.511) SHAFT TYPE "V" (USES BUSHING U) 6.00+.000/-.035 (.2362+.0000/.0010) DIA STD. LENGTHS: 12.0 (.500) 6.99 (.275) 11.13 (.438) SHAFT TYPE "J" (USES BUSHING R) 0.79 (.031) 22.0 (.866) FLAT LENGTH “F”: FLAT LENGTH “F”: SHAFT TYPE "E" (USES BUSHING C) 6.000+.000/-.035 (.2362+.0000/.0014) DIA 3.988 ± .076 (.157 ± .003) STD. LENGTHS: 19.05 (.750) 22.0 (.866) 5.994 +0.000/-0.051 (.236 +.000/-.002) DIA. “F” ± .38 (“F” ± .015) 3.988 +0.000/-0.051 (.157 +.000/-.002) DIA. SHAFT TYPE "W" (USES BUSHING A) 1.00 (.04) 16.0 (.630) SHAFT TYPE "A" (USES BUSHING A) 15.88 (.625) STD. LENGTHS: STD. LENGTHS: STD. LENGTHS: 19.05 22.23 (.750) (.875) 12.70 (.500) .79 (0.03) STD. LENGTHS: 12.70 15.88 19.05 (.500) (.625) (.750) 6.30+.000/-.152 (.248+.000/.006) DIA. 5.49 (.216) 1.50 ± .25 (0.06 ± .001) SHAFT TYPE "R" (USES BUSHING R) 11.18 ± .38 (.440 ± .015) Metal Shaft Styles SHAFT TYPE "T" (USES BUSHING U) 3.16+.00/-.15 DIA. (.1245+.000/-.006) 3.99+.000/-.035 (.1571+.0000/.0010) DIA 0.79 ± 0.13 (.031 ± .054) STD. LENGTHS: STD. LENGTHS: 16.0 (.630) 16.0 (.630) 22.0 (.866) 22.0 (.866) .02 (.050) .005 .XXX = ± (.127) .0005 .XXXX = ± (.0127) TOLERANCES EXCEPT AS SHOWN: .XX = ± 22.23 (.875) DIMENSIONS: 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. How to Order Model 91, 92, 93, 94 & 95 Panel Controls 91 A D A 2 A - A 91 92 93 94 95 A 15 METRIC 16 22 16 mmL 22 mmL R, U R, U MODEL Single-Turn, In-Line PC Pins Single-Turn, In-Line J-Hooks Single-Turn, L-Pattern PC Pins Single-Turn, L-Pattern J-Hooks Single-Turn, Triangle-Pattern Solder Lugs Plastic Single Slotted 1/4 " (6.35 mm) D Plastic Single Flatted 1/4" (6.35 mm) D Plastic Single Plain 1/8" (3.18 mm) D Plastic Single Slotted 6 mm D Plastic Single Slotted 4 mm D Plastic Single Knurled 1/4" (6.35 mm) D Metal Single Plain 1/4" (6.35 mm) D Metal Single Slotted 1/8" (3.18 mm) D Metal Single Slotted 1/4" (6.35 mm) D Metal Single Flatted 1/4" (6.35 mm) D Metal Single Slotted 6 mm D Metal Single Flatted 6 mm D Metal Single Slotted 4 mm D / A15 L Part number for multiple section potentiometers must have a taper and resistance value for each section. RoHS IDENTIFIER L Compliant AVAILABLE ONLY IN BUSHING Code A, C A, C A, C A A BUSHING Metal Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L Metal Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L Metal Plain 10 mm D x 9 mm L Metal Plain 7 mm D x 9 mm L SHAFT TYPE B C D R T W A E G H J S V - SHAFT LENGTH (FMS) Code Description 16 1/2 ”L 20 5/8 ”L 24 3/4 ”L 28 7/8 ”L 32 1 ”L ANTI-ROTATION LUG Single .305 ” (7.8 mm) R, 90 °CW No Lug # SECTIONS 1 Single 2 Dual A C R U 28 AVAILABLE ONLY IN LENGTHS BUSHINGS (CODE) (CODE) 16, 20, 24, 28 A 24, 28 A 16, 20, 24 C Metric 16, 22 R Metric 16, 22 U 32 A 16, 20, 24 A 16, 20, 24 C 16, 20, 24, 28 A 24, 28 A Metric 16, 22 R Metric 16, 22 R Metric 16, 22 U 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 (20) - 100 K (10) - 1 K (21) - 200 K (11) - 2 K (22) - 250 K (12) - 2.5 K (23) - 500 K (13) - 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. 05/13 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.