model 91, 92, 93, 94 & 95 - 5/8 ? square single-turn panel control features available in a variety of pin-out con gurations virtually in 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. speci 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. initial electrical characteristics 1 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 t o 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 me gohm total resistance tolerance ...............................10 % or 20 % .................................................... 5% o r 10% independent linearity .......................................? % ............................................................. ..... ? % absolute minimum resistance .........................2 ohms maximum .............................................. 2 ohms maxim um effective electrical angle ..................................(linear tapers) 240 ??5 ? .................................. (linear tapers) 240 ??6 (audio tapers) 225 ??5 ?.................................. (audio tapers) 225 ??6 contact resistance variation ...........................? % .................................................................. ? % or 3 ohms (whichever is greater) dielectric withstanding voltage (mil-std-202, method 301) sea level ....................................................1,500 vac minimum .......................................... 1,50 0 vac minimum 70,000 feet .................................................500 vac minimum ............................................. 500 vac minimum insulation resistance (500 vdc) ......................1,000 megohms minimum ................................. 1,000 megohms mini mum power rating (voltage limited by power dissipation or 350 vac, whichever is less) +70 ? single section assembly ................(linear tapers) 1 watt ......................................... (linear tapers) 2 watts (audio tapers) 0.5 watt ...................................... (audio tapers) 1 watt +70 ? 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 ? .......................................................0 watt ................................................................. 0 watt theoretical resolution ......................................essentially in nite .............................................. essentially in nite environmental characteristics 1 operating temperature range .......................... -40 ? to +125 ? ................................................ -40 ? to +125 ? storage temperature range .............................. -55 ? to +125 ? ................................................ -55 c to +125 ? temperature coef cient over storage temperature range .......................................... ?,000 ppm/? ..................................................... ?50 ppm/? vibration (single section) ................................... 15 g ............................................................ .......... 15 g total resistance shift ................................... ? % maximum .................................................... ? % maximum voltage ratio shift ........................................ ? % maximum .................................................... 5 % maximum shock (single section) ....................................... 30 g ............................................................ .......... 30 g total resistance shift ................................... ? % maximum .................................................... ? % maximum voltage ratio shift ........................................ ? % maximum .................................................... 5 % maximum load life ............................................................ 1,000 hours ............................................. ............. 1,000 hours total resistance shift ................................... ?0 % maximum .................................................. ? % maximum rotational life (no load) ................................... 100,000 cycles ................................................... .. 100,000 cycles total resistance shift ................................... (linear tapers) 10 ohms or ?5 % trs max. ...... (all tapers) ? % tr s max. (whichever is greater) (audio tapers) ?0 % maximum contact resistance variation @ 50,000 cycles ........................................... (linear tapers) ? % ............................................. ? % (audio tapers) ? % ............................................. ? % moisture resistance (mil-std-202, method 103, condition b) total resistance shift ................................... (linear tapers) ?0 % trs maximum ................. (all tapers) ? % trs maximum (audio tapers) ?0 % trs maximum insulation resistance (500 vdc) .................. 100 megohms minimum ...................................... 100 megohms minimu m ip rating ............................................................ ip 40 .................................................. ................... ip 40 *rohs compliant
speci 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 perfor mance may vary over time. users should verify actual device performance in their speci c applications. mechanical characteristics 1 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 ?? 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, 0.02 5 ?wire diameter. maximum temperature 399 ? (750 ?) for 3 seconds. no wash process to be used with no clean ux. 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 p art number. note: performance speci cations do not apply to units subjected to printed circuit board cleaning procedures. 1 at room ambient: +25 ? 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 31 2 2 1 3 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 2 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) 33 22 11 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 11 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 speci? 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 perfor mance may vary over time. users should verify actual device performance in their speci? c applications.
speci 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 perfor mance may vary over time. users should verify actual device performance in their speci 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 (.071 .010) 1.50 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 (.2490+.0004/.0010) dia. 1.194 (.047) 5.486 .051 (.216 .002) 1.19 (.047) 6.31+.025/-.051 (.2485+.001/.002) dia. 14.27 .25 (.562 .010) 1.80 .25 (0.07 .001) 1.00 (.04) 1.50 .25 (0.06 .001) 3.16+.00/-.15 (.1245+.000/-.006) dia. 48 tooth 5.994 +0.000/-0.051 (.236 +.000/-.002) dia. dia. 3.988 +0.000/-0.051 (.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 (.2490+.0004/.0010) dia 6.32+.010/-.025 (.2490+.0004/.0010) dia 1.00 0.13 (.039 .054) 6.00+.000/-.035 (.2362+.0000/.0010) 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 (.1571+.0000/.0010) 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 (.2362+.0000/.0014) 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)
speci 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 perfor mance may vary over time. users should verify actual device performance in their speci 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 (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 (b) linear c-p 20 % (10) - 1 k (18) - 50 k (e) linear c-p 10 % (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 (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 1 single 2 dual bushing a single .305 (7.8 mm) r, 90 cw d no lug anti-rotation lug rohs identifier compliant l 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
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