features 25k and 50k ohm resistance options for active electronics knurled or plain shaft metal shaft conductive polymer element very low noise model 95 premium guitar potentiometer *rohs directive 2002/95/ec jan 27, 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. initial electrical characteristics 1 standard resistance value ..................................................................................................... ................................................25k, 50k, 250k and 500k ohms total resistance tolerance ............................................................................................................................... .................................................................. 20 % independent linearity ......................................................................................................... ................................................................................................ ? % absolute minimum resistance ................................................................................................... ....................................................................2 ohms maximum effective electrical angle .................................................................................................... ....................................................................................... 225 ??5 contact resistance variation .................................................................................................. ........................................................................................... ? % dielectric withstanding voltage (mil-std-202, method 301) sea level .................................................................................................................... .........................................................................1,500 vac minimum 70,000 feet .................................................................................................................. ...........................................................................500 vac minimum insulation resistance (500 vdc) ............................................................................................... .......................................................1,000 megohms minimum power rating (voltage limited by power dissipation or 350 vac, whichever is less) +70 ? ....................................................................................................................... .............................................................................................0.25 watt +125 ? ...................................................................................................................... .................................................................................................0 watt theoretical resolution ........................................................................................................ ............................................................................essentially in nite environmental characteristics 1 operating temperature range ................................................................................................... ....................................................................-40 ? to +125 ? storage temperature range ..................................................................................................... .....................................................................-55 ? to +125 ? temperature coef cient over storage temperature range ........................................................................ ...................................................... ?,000 ppm/? vibration ..................................................................................................................... ........................................................................................................ 15 g total resistance shift ....................................................................................................... ............................................................................? % maximum voltage ratio shift .......................................................................................................... ..............................................................................? % maximum shock.......................................................................................................................... ........................................................................................................ 30 g total resistance shift ....................................................................................................... ............................................................................? % maximum voltage ratio shift .......................................................................................................... ..............................................................................? % maximum load life ..................................................................................................................... ............................................................................................. 1,000 hours total resistance shift ....................................................................................................... ..........................................................................?0 % maximum rotational life (no load)...................................................................................................... .............................................................................. 100,000 cycles total resistance shift ....................................................................................................... ......................................................................... ?0 % maximum contact resistance variation @ 50,000 cycles ................................................................................. ......................................................................... ? % moisture resistance (mil-std-202, method 103, condition b) total resistance shift ....................................................................................................... ................................................................. ?0 % trs maximum insulation resistance (500 vdc) .............................................................................................. .....................................................100 megohms minimum ip rating .................................................................................................................... ........................................................................................................ip 40 mechanical characteristics 1 mechanical angle .............................................................................................................. ......................................................................................... 300 ?? rotational torque ............................................................................................................. .................................................................0.7 oz-in (50 g-cm) typical weight standard bushing ............................................................................................................. ................................................................................ 14.25 grams long bushing ................................................................................................................. .................................................................................. 18.15 grams terminals ..................................................................................................................... ............................................................................................. solder lugs soldering condition ..................................................................... recommended hand soldering using sn95 /ag5 no clean solder, 0.025 ?wire diameter. maximum temperature 399 ? (750 ?) for 3 seconds. no wash process to be used with no clean ux. marking ............................................................................................................manufacture r? trademark, date code, resistance, manufacturer? part number hardware .......................................... one lockwasher, one at washer, two mounting nuts and one solder lug washer are shipped with each potentiometer. 1 at room ambient: +25 c nominal and 50 % relative humidity nominal, except as noted. audio taper plot 100 90 80 70 60 50 40 30 20 10 0 0 1020304050 percent effective electrical clockwise rotation percent voltage ratio output 60 70 80 90 100 selection guide part number taper/shaft resistance value ( ) 95A1D-Z28-EA0/300l audio/knurled 250k 95A1D-Z28-EA0/301l audio/plain 250k 95A1D-Z28-EA0/302l audio/knurled 500k 95A1D-Z28-EA0/303l audio/plain 500k 95z1d-z33-ea0/304l audio/knurled (long bushing version) 250k 95z1d-z33-ea0/305l audio/knurled (long bushing version) 500k part number taper/shaft resistance value ( ) 95A1D-Z28-EA0/317l audio/knurled 25k 95A1D-Z28-EA0/318l audio/knurled 50k 95z1d-z33-ea0/319l audio/knurled (long bushing version) 25k 95z1d-z33-ea0/320l audio/knurled (long bushing version) 50k schematic 1 3 ccw 2 potentiometer *rohs compliant
321 321 15.88 ?0.38 (.625 ?.015) 3/8-32 unf-2a x 45 ?? 0.25 (.010) long 3 plcs. 3 plcs. wide x 1.02 (.040) 2.29 (.090) 2.54 (.100) 2.03 (.080) dia. 13.72 (0.54) 2.54 (.100) 15.88 ?0.38 (.625 ?.015) 9.53 ?0.38 (.375 ?.015) 6.0 (.236) dia. 5.08 ?1.02 (.200 ?.040) mounting surface 12.7 ?0.23 (.500 ?.009) 2.54 (.100) 2.54 (.100) 5.08 ?1.02 (.200 ?.040) 22.23 ?0.79 (.875 ?.031) 5.59 ?0.20 (.220 ?.008) 0.41 (.016) 4.45 ?0.38 (.175 ?.015) 321 15.88 ?0.38 (.625 ?.015) x 45 ?? 0.25 (.010) long 3 plcs. 3 plcs. wide x 1.02 (.040) 2.29 (.090) 2.54 (.100) 2.03 (.080) dia. 13.72 (0.54) 2.54 (.100) 15.88 ?0.38 (.625 ?.015) 9.53 ?0.38 (.375 ?.015) 5.08 ?1.02 (.200 ?.040) 0.76 ?0.25 (.030 ?.010) mounting surface 12.7 ?0.23 (.500 ?.009) 19.05 ?0.38 (.750 ?.015) 0.41 (.016) 4.45 ?0.38 (.175 ?.015) 8.74 ?0.25 (.344 ?.010) 1.57 ?0.25 (.062 ?.010) 5.03 ?0.05 (.198 ?.002) dia. 5.97 (.235) knurl dia. 5.87 ?0.25 (.231 ?.010) 15.88 ?0.38 (.625 ?.015) long 3 plcs. 3 plcs. wide x 1.02 (.040) 2.29 (.090) 2.03 (.080) dia. 13.72 (0.54) 15.88 ?0.38 (.625 ?.015) 9.53 ?0.38 (.375 ?.015) 26.82 ?0.79 (1.056 ?.031) 17.40 ?0.79 (.685 ?.031) 5.59 ?0.20 (.220 ?.008) mounting surface x 45 ?? 0.25 (.010) 0.76 ?0.25 (.030 ?.010) 0.41 (.016) 1.57 ?0.25 (.062 ?.010) 5.03 (.198) dia. 5.97 (.235) knurl dia. 5.87 ?0.25 (.231 ?.010) 6.48 (.255) 4.45 ?0.38 (.175 ?.015) 12.7 ?0.23 (.500 ?.009) 9.53 ?0.38 (.375 ?.015) 0.76 (.030) speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. model 95 premium guitar potentiometer product dimensions knurled shaft dimensions: mm (inches) knurled shaft (long bushing version) plain shaft additional features single-turn 250k and 500k resistance options audio taper long rotational life long bushing option rohs compliant*
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. model 95 premium guitar potentiometer product dimensions hardware rev. 10/11 16.0 (.630) 13.57 (.534) 26.0 ?0.13 (1.024 ?.005) 12.75 ?0.13 (.502 ?.005) 2.47 (.097) 1.83 (.072) 0.86 (.034) 2.86 (.113) 4.35 (.171) 1.60 (.063) 2.24 (.088) solder lug washer 0.65 ?0.05 (.026 ?.002) dia. 9.75 ?0.13 (.384 ?.005) dia. 1.0 (.039) r 135 1.60 (.063) r 0.15 (.006) r 2 plcs. 0.80 (.031) r 15.75 ?0.13 (.620 ?0.005) dia. 1.0 (.039) r 3.16 (.124) 3.00 (.118) 5.70 (.224) 0.5 (.020) r 0.5 (.020) r 3/8-32 nef-2b 9.58 / 9.93 (.377 / .391) 14.66 +0.00/-0.43 (.577 +.000/-.017) 12.52 / 12.88 (.493 / .507) 0.56 (.022) ref. lockwasher hex nut 2.36 (.093) 30 ??5 flat washer 0.81 ?0.08 (.032 ?.003) dia. 10.41 (.410) dia. 14.43 (.568) dimensions: mm (inches)
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