PL IA NT Features CO M ■ 25K and 50K ohm resistance options for *R oH S active electronics ■ Knurled or plain shaft ■ Metal shaft ■ Conductive polymer element ■ Very low noise Model 95 Premium Guitar Potentiometer Initial Electrical Characteristics1 Standard Resistance Value .....................................................................................................................................................25K, 50K, 250K and 500K ohms Total Resistance Tolerance................................................................................................................................................................................................. 20 % Independent Linearity ......................................................................................................................................................................................................... ±5 % Absolute Minimum Resistance .......................................................................................................................................................................2 ohms maximum Effective Electrical Angle ........................................................................................................................................................................................... 225 ° ± 5 ° Contact Resistance Variation ............................................................................................................................................................................................. ±1 % 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 °C ....................................................................................................................................................................................................................0.25 watt +125 °C .......................................................................................................................................................................................................................0 watt Theoretical Resolution ....................................................................................................................................................................................Essentially infinite Environmental Characteristics1 Operating Temperature Range .......................................................................................................................................................................-40 °C to +125 °C Storage Temperature Range ..........................................................................................................................................................................-55 °C to +125 °C Temperature Coefficient Over Storage Temperature Range .............................................................................................................................. ±1,000 ppm/°C Vibration ............................................................................................................................................................................................................................. 15 G Total Resistance Shift ...................................................................................................................................................................................±2 % maximum Voltage Ratio Shift ........................................................................................................................................................................................±5 % maximum Shock.................................................................................................................................................................................................................................. 30 G Total Resistance Shift ...................................................................................................................................................................................±2 % maximum Voltage Ratio Shift ........................................................................................................................................................................................±5 % maximum Load Life .................................................................................................................................................................................................................. 1,000 hours Total Resistance Shift .................................................................................................................................................................................±10 % maximum Rotational Life (No Load).................................................................................................................................................................................... 100,000 cycles Total Resistance Shift ................................................................................................................................................................................ ±20 % maximum Contact Resistance Variation @ 50,000 cycles .......................................................................................................................................................... ±3 % Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift ........................................................................................................................................................................ ±20 % TRS maximum Insulation Resistance (500 VDC) ...................................................................................................................................................100 megohms minimum IP Rating ............................................................................................................................................................................................................................IP 40 Mechanical Characteristics1 Mechanical Angle ....................................................................................................................................................................................................... 300 ° ±5 ° 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 °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 Hardware .......................................... One lockwasher, one flat 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 Selection Guide 100 PERCENT VOLTAGE RATIO OUTPUT 90 80 70 60 Part Number Taper/Shaft Resistance Value (Ω) Part Number Taper/Shaft Resistance Value (Ω) 95A1D-Z28-EA0/300L Audio/Knurled 250K 95A1D-Z28-EA0/317L Audio/Knurled 25K 95A1D-Z28-EA0/301L Audio/Plain 250K 95A1D-Z28-EA0/318L Audio/Knurled 50K 95A1D-Z28-EA0/302L Audio/Knurled 500K 95A1D-Z28-EA0/303L Audio/Plain 500K 95Z1D-Z33-EA0/319L Audio/Knurled (Long Bushing Version) 25K 95Z1D-Z33-EA0/304L Audio/Knurled (Long Bushing Version) 250K 95Z1D-Z33-EA0/320L Audio/Knurled (Long Bushing Version) 50K 95Z1D-Z33-EA0/305L Audio/Knurled (Long Bushing Version) 500K 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 PERCENT EFFECTIVE ELECTRICAL CLOCKWISE ROTATION Schematic 1 CCW 3 2 POTENTIOMETER *RoHS Directive 2002/95/EC Jan 27, 2003 including Annex. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Additional Features ■ Single-turn ■ 250K and 500K resistance options ■ Audio taper ■ Long rotational life ■ Long bushing option ■ RoHS compliant* Model 95 Premium Guitar Potentiometer Product Dimensions Knurled Shaft 6.48 (.255) MOUNTING SURFACE 5.87 ± 0.25 (.231 ± .010) 1.57 ± 0.25 (.062 ± .010) 5.03 DIA. (.198) 12.7 ± 0.23 (.500 ± .009) DIA. 5.97 KNURL (.235) 0.25 X 45 ° ±5 ° (.010) 3 2 1 5.08 ± 1.02 (.200 ± .040) 2.54 (.100) 2.54 (.100) Knurled Shaft (Long Bushing Version) 0.76 (.030) 12.7 ± 0.23 (.500 ± .009) 5.87 ± 0.25 (.231 ± .010) 19.05 ± 0.38 (.750 ± .015) 2.54 (.100) 2.54 (.100) 0.41 (.016) 1.02 WIDE X (.040) 2.29 LONG (.090) 3 PLCS. 2.03 (.080) 3 PLCS. 0.76 ± 0.25 (.030 ± .010) 1.57 ± 0.25 (.062 ± .010) 5.03 ± 0.05 DIA. (.198 ± .002) DIA. 5.97 KNURL (.235) 0.25 X 45 ° ±5 ° (.010) 8.74 ± 0.25 (.344 ± .010) 15.88 ± 0.38 (.625 ± .015) 9.53 ± 0.38 (.375 ± .015) 17.40 ± 0.79 (.685 ± .031) 3 2 1 5.08 ± 1.02 (.200 ± .040) 15.88 ± 0.38 (.625 ± .015) DIA. 13.72 (0.54) 5.59 ± 0.20 (.220 ± .008) 4.45 ± 0.38 (.175 ± .015) MOUNTING SURFACE MM (INCHES) 0.76 ± 0.25 (.030 ± .010) 9.53 ± 0.38 (.375 ± .015) 0.41 (.016) DIMENSIONS: 15.88 ± 0.38 (.625 ± .015) DIA. 13.72 (0.54) 15.88 ± 0.38 (.625 ± .015) 9.53 ± 0.38 (.375 ± .015) 26.82 ± 0.79 (1.056 ± .031) 1.02 WIDE X (.040) 2.29 LONG (.090) 3 PLCS. 2.03 (.080) 3 PLCS. 4.45 ± 0.38 (.175 ± .015) Plain Shaft MOUNTING SURFACE 12.7 ± 0.23 (.500 ± .009) 15.88 ± 0.38 (.625 ± .015) 3/8-32 UNF-2A 6.0 DIA. (.236) 3 2 1 2.54 (.100) 0.25 X 45 ° ±5 ° (.010) 5.08 ± 1.02 (.200 ± .040) 2.54 (.100) 0.41 (.016) 4.45 ± 0.38 (.175 ± .015) 5.59 ± 0.20 (.220 ± .008) 22.23 ± 0.79 (.875 ± .031) DIA. 13.72 (0.54) 9.53 ± 0.38 (.375 ± .015) 2.03 (.080) 3 PLCS. 15.88 ± 0.38 (.625 ± .015) 1.02 WIDE X (.040) 2.29 LONG (.090) 3 PLCS. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. Model 95 Premium Guitar Potentiometer Product Dimensions Hardware 15.75 ± 0.13 DIA. (.620 ± 0.005) 9.58 / 9.93 (.377 / .391) R 12.75 ± 0.13 DIA. (.502 ± .005) 0.5 (.020) 0.5 R (.020) 9.75 ± 0.13 DIA. (.384 ± .005) 0.56 REF. (.022) 12.52 / 12.88 (.493 / .507) R 5.70 (.224) 3.00 (.118) 1.0 (.039) 3.16 (.124) LOCKWASHER 2 PLCS. 0.15 2.86 (.006) (.113) 0.86 (.034) SOLDER LUG WASHER 2.36 (.093) 1.83 (.072) R 30 ° ± 5 ° HEX NUT 1.0 (.039) 135 ° 1 (.5 3.57 34 ) 26.0 ± 0.13 (1.024 ± .005) DIA. 14.43 (.568) 10.41 DIA. (.410) 0.81 ± 0.08 (.032 ± .003) FLAT WASHER REV. 10/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. DIMENSIONS: MM (INCHES) 4.35 (.171) 2.24 (.088) 0.80 R (.031) 1.60 (.063) 2.47 (.097) 16.0 (.630) 0.65 ± 0.05 (.026 ± .002) 14.66 +0.00/-0.43 (.577 +.000/-.017) 3/8-32 NEF-2B R R 1.60 (.063)