91A2C-T16-A

91A1A-B28-B17L BOURNS | Alldatasheet

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Technical content

Features

■ Features one-piece molded plastic shaft and rotor assembly ■ Available in a variety of pin-out configurations ■ Virtually infinite electrical circuit isolation ■ Model 96 sealed for board wash ■ Metal shaft available as special feature Potentiometer Specifications

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. NOTE: ALL MODEL 90 PERFORMANCE SPECIFICATIONS DO NOT APPLY TO UNITS SUBJECTED TO PRINTED CIRCUIT BOARD CLEANING PROCEDURES, EXCEPT FOR THE SEALED VERSION (MODEL 96). 1AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED. 91, 92, 93, 94, 95, 96, 99 - 5/8 ” Square Single-Turn Panel Control 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Mechanical Characteristics1 Torque Running Torque Plastic Bushing) 56-79 N-cm (5-7 lb.-in.) maximum Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux. Potentiometer Specifications

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 91, 92, 93, 94, 95, 96, 99 - 5/8 ” Square Single-Turn Panel Control 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch Rotary Switch Specifications Initial Electrical Characteristics1 Contacts: Power Rating (Resistive Load): Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Environmental Characteristics1 Moisture Resistance (MIL-STD-202, Method 106, Condition B) Mechanical Characteristics1 NOTE: Model 99 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. Customers should verify actual device performance in their specific applications. SEE DETAIL FOR SHAFT OPTIONS 10.16 (.40) 1 2 3 Model 91 PC Pin Terminals, In-Line 5.08 (.20) Model 93 PC Pin Terminals, "L" Pattern 3/8 THREADLESS (9.53 mm) (STYLE "D") 3/8-32 UNEF (9.53 mm) (STYLE "A") 1/4-32 UNEF (6.35 mm) (STYLE "C") M10 X 0.75-6g (STYLE "R") M7 X 0.75-6g (STYLE "U") Bushing Styles 10.16 (.40) .41 (.016) Model 95 Solder Lug Terminals, "Triangular" Pattern SEE NOTE Shaft Styles *DIMENSIONS ARE IN MM SHAFT TYPE "W" STD. LENGTHS "L" 1" FINGER KNURL, FOR USE WITH BUSHING A OR D SHAFT TYPE "R" STD. LENGTHS "L" (5/8), (3/4), (7/8)USES BUSHING R SHAFT TYPE "T" STD. LENGTHS "L" (1/2), (5/8), (7/8)USES BUSHING U 1 2 DPST (NO/NC) (TYPES 50, 51, 56, 57) DPST (NC/NC) (TYPES 54, 55, 60, 61) DPST (NO/NO) (TYPES 52, 53, 58, 59) DPST (NC/NC) (TYPES 70, 71, 72, 73) Switch contacts shown in detent position. 22.86 ± .43 (.90 ± .017) 12.7 (.50) .79 ± .41 (.031 ± .016) 9.53 ± .38 (.375 ± .015) (STYLE A) 6.35 ± .38 (.250 ± .015) (STYLE C) 15.88 ± .38 (.625 + .015) 1.37 (.054) 2.36 (.093) 11.05 ± .20 (.435 ± .008) 15.29 ± .56 (.602 ±.022) (MODEL 91 ONLY) DIA.13.72 (.54) 15.88 ± .38 (.625 ± .015) 9.53 ± .38 (.375 ± .015) .81 (.032) DIA.2.54 (.100) 2.54 (.100) 5.97 ± .38 (.235 ± .015) .81 (.032) DIA. TYP. 10.16 ± .30 (.40 ± .012) 5.08 ± .38 (.20 ± .015) TYP. 11.05 ± .20 (.435 ± .008) 12.7 ± 1.02 (.50 ± .040) 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 1.60+.38/-.00 (.063+.015/-.000) 6.31+.025/-.076 6.31+.025/-.076 5.49 (.216) 1.19 (.047) 6.31+.025/-.076 14.27 ± .25 (.562 ± .010) 1.80 ± .25 (0.07 ± .001) 1.00 (.04)1.50 ± .25 (0.06 ± .001) 13.16+.00/-.15 6.0 (.236)DIA. DIA.3.988 (.157) SHAFT TYPE "B" STD. LENGTHS "L" (1/2), (5/8), 12.7 15.88 19.05 (3/4), 22.23 (7/8) SHAFT TYPE "C" STD. LENGTHS "L" (3/4), (7/8) USES BUSHING A OR D 19.05 22.0 SHAFT TYPE "D" STD. LENGTHS "L" (1/2), (5/8), (3/4) USES BUSHING C 12.7 15.88 19.05 NOTE: FOR (.750) SHAFT - FLAT LENGTH IS (.313) FOR (.875) SHAFT - FLAT LENGTH IS (.440) 19.05 7.95 11.18 TOLERANCES EXCEPT AS SHOWN: DECIMAL .XXX ± (.015 )FRACTION ± 1/64 .XX ± (.38) ANGLE ±5 ° .128 .005 16.0 19.05 22.0 16.0 22.012.0 .79 (0.03) 22.23 USES BUSHING A OR D MOUNTING SURFACE 2654 2 3 Model 99 1st Cup Same As Model 95 (2nd Cup - Switch) 2.77 ± .38 (1.09 ± .015) 15.88 (.625) REF. 24.77 ± .51 (.975 ± .020) 2.41 X 1.14 (.095 ± .045)SLOT 6 PLCS 2.29 (.090)6 PLCS. 2.77 ± .38 (.109 ± .015) 16.89 ± .51 (.665 ± .020) 5.59 ± .38 (.022 ± .015) 4.45 ± .38 (.175 ± .015) 5.08 (.20) 321 321 Model 92 J-Hooked Terminals, In-Line Model 94 J-Hooked Terminals, "L" Pattern 1.52 (.06) .254 (.010) GAP .79 (.031) 2 PLCS. 5.33 ± .76 (.21 ± .03) 1.52 (.06) GAP .81 (.032) R. MAX. 3.81 (.150) MAX. TYP. 1 3 CCW POTENTIOMETER TOTAL ROTATION 300 ° CW DETENT 25 ° MAX. ACTUATION ANGLE (TYPES 50, 52, 54, CCW DETENT 25 ° MAX. ACTUATION ANGLE (TYPES 51, 53, 55, 57, 59, 61, 71, 73) NOTE: Switch terminals shown in vertical position. 120 ° ± 5 ° STD. FLAT ORIENTATION (SHAFT AT CCW END) Switch Module Variations Shaft Flat Orientation DIMENSIONS ARE: MM (INCHES) 91, 92, 93, 94, 95, 96, 99 - 5/8 ” Square Single-Turn Product Dimensions

Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. SWITCH TYPE (MODEL 99 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 (R54) DPST N.C./N.C. CW Detent In-Line Term (R55) DPST N.C./N.C. 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 (R60) DPST N.C./N.C. CW Detent Horz Term (R61) DPST N.C./N.C. CCW Detent Horz Term (R70) DPDT CW Detent In-Line Term (R71) DPDT CCW Detent In-Line Term (R72) DPDT CW Detent Horz Term (R73) DPDT CCW Detent Horz Term ANTI-ROTATION LUG A Single .305 ” (7.8 mm) R, 90 °CW C Single .305 ” (7.8 mm) R, 270 °CW D No Lug # SECTIONS APPLICABLE MODELS

1 Single Models 91 Thru 96 Only

2 Dual All Models, 2nd Section is

SHAFT TYPE LENGTHS BUSHINGS (CODE) (CODE) B Single Slotted 1/4 ” (6.35 mm) D 16,20,24,28 A, D C Single Flatted 1/4 ” (6.35 mm) D 24,28 A, D D Single Plain 1/8 ” (3.18 mm) D 16,20,24 C R Single Slotted 6 mm D Metric 16,19,22 R T Single Slotted 4 mm D Metric 16,19,22 U W Single Knurled 1/4 ” (6.35 mm) D 32 A, D ELEMENT TYPE RESISTANCE CODE TAPER/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 % SHAFT AVAILABLE LENGTH ONLY IN (FMS) BUSHING Code Description Code 16 1/2 ”L A, C, D 20 5/8 ”L A, C, D 24 3/4 ”L A, C, D 28 7/8 ”L A, D 32 1 ”L A, D METRIC 12 12 mmL U 16 16 mmL R, U 19 19 mmL R 22 22 mmL R, U BUSHING 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 D Plastic Unthreaded 3/8 ” (9.53 mm) D 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

96 Single-Turn, In-Line PC Pins, Sealed

99 Single-Turn, Triangle-Pattern

How to Order 90 Series Panel Controls Boldface features are Bourns standard options. All others are available with higher minimum order quantities. REV. 11/04

91 A 2 A - B 28 - A 15

R51 (Optional)99 A 2 A - B 28 - A 15 /