91R2A-A28-A15

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■ Available in a variety of pin-out confi gurations ■ Virtually infi nite electrical circuit isolation ■ Metal or plastic shaft options ■ RoHS compliant* *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifi cations 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 specifi c applications. Initial Electrical Characteristics1 Conductive Plastic Element Cermet Element Standard Resistance Range Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less) Environmental Characteristics Temperature Coeffi cient Over Storage (whichever is greater) (Audio tapers) ±20 % maximum Contact Resistance Variation Moisture Resistance (MIL-STD-202, Method 103, Condition B) (Audio tapers) ±20 % TRS maximum *RoHS COMPLIANT

Specifi cations 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 specifi c applications. Mechanical Characteristics1 Torque Running Torque Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean fl ux. NOTE: Performance specifi cations do not apply to units subjected to printed circuit board cleaning procedures. 1 At room ambient: +25 °C nominal and 50 % relative humidity nominal, except as noted. Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control

Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control Product Dimensions Model 91 PC Pin Terminals, In-Line Model 93 PC Pin Terminals, "L" Pattern .41 (.016) Model 95 Solder Lug Terminals, "Triangular" Pattern 10.16 (.40) 4.45 ± .38 (.175 ± .015) 5.59 ± .20 (.220 ± .008) 4.45 ± .38 (.175 ± .015) 2.54 (.100) 2.54 (.100) 5.08 ± 1.02 (.200 ± .040) 2.03 (.080) 3 PLCS. (.040) WIDE X (.090) LONG 3 PLCS. 1.02 2.29 5.08 (.20) Model 92 J-Hooked Terminals, In-Line Model 94 J-Hooked Terminals, "L" Pattern 1.52 (.06) .254 (.010) GAP .79 (.031) 2 PLCS. 321 5.33 ± .76 (.21 ± .03) 1.52 (.06) GAP .81 (.032) R. MAX. 3.81 (.150) MAX. TYP. 321 120 ° ± 5 ° STD. FLAT ORIENTATION (SHAFT AT CCW END)1 3 CCW POTENTIOMETER Shaft Flat Orientation DIA. 13.72 ± 0.38 (.540 ± .015) 15.88 (.625) 22.86 ± 0.43 (.900 ± .017) 12.70 ± .229 (.500 ± .009) MOUNTING SURFACE 0.76 ± 0.05 (.030 ± .002) TYP.2.54 (.100) 2.54 (.100) 0.79 ± .025 (.031 ± .010) 1.19 (.047) “A” STYLE A.R. LUG R 1.37 ± 0.08 (.054 ± .003) 2.36 ± 0.08 (.093 ± .003) 7.92 (.312) 9.53 (.375) 15.29 ± 0.56 (.602 ± .022) SEE HOW TO ORDER CHART FOR BUSHING OPTIONS. SEE NEXT PAGE FOR SHAFT OPTIONS. 10.16 ± 0.30 (.400 ± .012) R2 R1 11.05 ± 0.20 (.435 ± .008) DIA. 13.72 ± 0.38 (.540 ± .015) 15.88 (.625) 22.86 ± 0.43 (.900 ± .017) 12.70 ± .229 (.500 ± .009) MOUNTING SURFACE 0.76 ± 0.05 (.030 ± .002) TYP.2.54 (.100) 2.54 (.100) 0.79 ± .025 (.031 ± .010) 1.19 (.047) “A” STYLE A.R. LUG R 1.37 ± 0.08 (.054 ± .003) 2.36 ± 0.08 (.093 ± .003) 7.92 (.312) 9.53 (.375) 12.7 ± 1.02 (.500 ± .040) SEE HOW TO ORDER CHART FOR BUSHING OPTIONS. SEE NEXT PAGE FOR SHAFT OPTIONS. 10.16 ± 0.30 (.400 ± .012) 33 22 R2 R1 11.05 ± 0.20 (.435 ± .008) 0.81 (.032) DIA. TYP. 5.08 ± 0.38 (.200 ± .015) TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64 .XX ± (.38) ANGLE ±5 ° .381 9.65 L L Specifi cations 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 specifi c applications.

Specifi cations 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 specifi c applications. Model 91, 92, 93, 94 & 95 - 5/8 ” Square Single-Turn Panel Control Product Dimensions Plastic Shaft Styles 1.60+.38/-.00 (.063+.015/-.000) 11.18 ± .38 (.440 ± .015) 1.60+.38/-.00 (.063+.015/-.000) 1.80 ± 0.25 (.059 ± .010) “F” ± .38 (“F” ± .015) 6.32+.000/-.152 (.249+.000/.006) DIA. 6.30+.000/-.152 (.248+.000/.006) DIA. 5.49 (.216) 6.32+.010/-.025 DIA. 1.194 (.047) 5.486 ± .051 (.216 ± .002) 1.19 (.047) 6.31+.025/-.051 (.2485+.001/.002) DIA. 14.27 ± .25 (0.07 ± .001) 1.00 (.04) 1.50 ± .25 (0.06 ± .001) 3.16+.00/-.15

48 TOOTH

(.236 +.000/-.002) DIA. DIA. (.157 +.000/-.002) SHAFT TYPE "B" (USES BUSHING A) SHAFT TYPE "D" (USES BUSHING C) SHAFT TYPE "T" (USES BUSHING U) SHAFT TYPE "C" (USES BUSHING A) SHAFT TYPE "R" (USES BUSHING R) SHAFT TYPE "W" (USES BUSHING A) SHAFT TYPE "A" (USES BUSHING A) SHAFT TYPE "H" (USES BUSHING A) SHAFT TYPE "V" (USES BUSHING U) SHAFT TYPE "G" (USES BUSHING A) SHAFT TYPE "J" (USES BUSHING R) TOLERANCES EXCEPT AS SHOWN: .XX = ± .79 (0.03) STD. LENGTHS: 25.40 (1.00) .02 (.050) .XXX = ± .005 (.127) .XXXX = ± .0005 (.0127) 6.32+.010/-.025 DIA 6.32+.010/-.025 DIA 1.00 ± 0.13 (.039 ± .054) 6.00+.000/-.035 DIA 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) 25.4 (1.000) 16.0 (.630) 22.0 (.866) Metal Shaft Styles 0.79 ± 0.13 (.031 ± .054) 3.99+.000/-.035 DIA STD. LENGTHS: STD. LENGTHS: STD. LENGTHS: 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) STD. LENGTHS: 19.05 (.750) 22.23 (.875) 12.70 (.500) 15.88 (.625) 19.05 (.750) STD. LENGTHS: 12.70 (.500) 15.88 (.625) 19.05 (.750) 22.23 (.875) STD. LENGTHS: 16.0 (.630) 22.0 (.866) STD. LENGTHS: 16.0 (.630) 22.0 (.866) STD. LENGTHS: STD. LENGTHS: 19.05 (.750) 22.23 (.875) “F” ± .381 (“F” ± .015) 3.988 ± .076 (.157 ± .003) SHAFT TYPE "S" (USES BUSHING R) 6.000+.000/-.035 DIA 0.79 ± 0.25 (.031 ± .010) SHAFT TYPE "E" (USES BUSHING C) 0.79 (.031) 3.16 (.1245) DIA 12.0 (.500) 16.0 (.625) 19.0 (.750) STD. LENGTHS: STD. LENGTHS: 16.0 (.630) 22.0 (.866) STD. LENGTHS: 16.0 (.630) 22.0 (.866) 7.95 (.313) 11.13 (.438) FLAT LENGTH “F”: 6.99 (.275) 12.98 (.511) FLAT LENGTH “F”: DIMENSIONS: MM (INCHES)

Specifi cations 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 specifi c applications. How to Order Model 91, 92, 93, 94 & 95 Panel Controls REV. 05/13 9 1 A 2 A - A 2 8 - A 1 5 / A15 L ELEMENT TAPER RESISTANCE CODE TYPE/TOLERANCE VALUE IN OHMS (A) Linear Cermet ±10 % (05) - 100 (30) - 15 K (H) Linear Cermet ±5 % (28) - 150 (16) - 20 K (15) - 10 K (B) Linear C-P ±20 % (10) - 1 K (18) - 50 K (15) - 10 K (23) - 500 K (17) - 25 K (C) CW Audio Cermet ±10 % (10) - 1 K (18) - 50 K (D) CW Audio C-P ±20 % (12) - 2.5 K (20) - 100 K (F) CCW Audio Cermet ±10 % (13) - 5 K (22) - 250 K (G) CCW Audio C-P ±20 % (15) - 10 K (23) - 500 K (S) CW Audio C-P ±10 % (17) - 25 K (25) - 1 M (T) CCW Audio C-P ± 10 % AVAILABLE ONLY IN SHAFT TYPE LENGTHS BUSHINGS (CODE) (CODE) B Plastic Single Slotted 1/4 " (6.35 mm) D 16, 20, 24, 28 A C Plastic Single Flatted 1/4" (6.35 mm) D 24, 28 A D Plastic Single Plain 1/8" (3.18 mm) D 16, 20, 24 C R Plastic Single Slotted 6 mm D Metric 16, 22 R T Plastic Single Slotted 4 mm D Metric 16, 22 U W Plastic Single Knurled 1/4" (6.35 mm) D 32 A A Metal Single Plain 1/4" (6.35 mm) D 16, 20, 24 A E Metal Single Slotted 1/8" (3.18 mm) D 16, 20, 24 C G Metal Single Slotted 1/4" (6.35 mm) D 16, 20, 24, 28 A H Metal Single Flatted 1/4" (6.35 mm) D 24, 28 A J Metal Single Slotted 6 mm D Metric 16, 22 R S Metal Single Flatted 6 mm D Metric 16, 22 R V Metal Single Slotted 4 mm D Metric 16, 22 U A Metal Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L C Metal Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L R Metal Plain 10 mm D x 9 mm L U Metal Plain 7 mm D x 9 mm L MODEL

91 Single-Turn, In-Line PC Pins

92 Single-Turn, In-Line J-Hooks

93 Single-Turn, L-Pattern PC Pins

94 Single-Turn, L-Pattern J-Hooks

95 Single-Turn, Triangle-Pattern Solder Lugs

# SECTIONS/nobreakspace/nobreakspace/nobreakspace/nobreakspace

1 Single

2 Dual

A Single .305 ” (7.8 mm) R, 90 °CW D No Lug ANTI-ROTATION LUG RoHS IDENTIFIER CompliantL Part number for multiple section potentiometers must have a taper and resistance value for each section. Boldface features are Bourns standard options. All others are available with higher minimum order quantities. SHAFT AVAILABLE LENGTH ONLY IN (FMS) BUSHING Code Description Code 16 1/2 ”L A, C 20 5/8 ”L A, C 24 3/4 ”L A, C 28 7/8 ”L A 32 1 ”L A METRIC 16 16 mmL R, U 22 22 mmL R, U