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91A2A Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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91A2A Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 6 page Features ■ Available in a variety of pin-out configurations ■ Virtually infinite electrical circuit isolation ■ Model 96 sealed for board wash ■ Metal or plastic shaft options 91, 92, 93, 94, 95, 96 - 5/8 ” Square Single-Turn Panel Control 97, 99 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch *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. Initial Electrical Characteristics1 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 to 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 megohm Total Resistance Tolerance...............................10 % or 20 % .................................................... 5% or 10% Independent Linearity.......................................±5 %.................................................................. ±5 % Absolute Minimum Resistance.........................2 ohms maximum.............................................. 2 ohms maximum Effective Electrical Angle ..................................(Linear tapers) 240 ° ± 5 °.................................. (Linear tapers) 240 ° ± 6 ° (Audio tapers) 225 ° ± 5 ° .................................. (Audio tapers) 225 ° ± 6 ° Contact Resistance Variation ...........................±1 %.................................................................. ±1 % or 3 ohms (whichever is greater) Dielectric Withstanding Voltage (MIL-STD-202, Method 301) Sea Level ....................................................1,500 VAC minimum.......................................... 1,500 VAC minimum 70,000 Feet .................................................500 VAC minimum............................................. 500 VAC minimum Insulation Resistance (500 VDC) ......................1,000 megohms minimum................................. 1,000 megohms minimum Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less) +70 °C Single Section Assembly ................(Linear tapers) 0.5 watt...................................... (Linear tapers) 2 watts (Audio tapers) 0.25 watt .................................... (Audio tapers) 1 watt +70 °C 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 °C.......................................................0 watt................................................................. 0 watt Theoretical Resolution......................................Essentially infinite .............................................. Essentially infinite Environmental Characteristics1 Operating Temperature Range .......................... -40 °C to +125 °C ................................................ -40 °C to +125 °C Storage Temperature Range.............................. -55 °C to +125 °C ................................................ -55 °C to +125 °C Temperature Coefficient Over Storage Temperature Range.......................................... ±1,000 ppm/°C..................................................... ±150 ppm/°C Vibration (Single Section)................................... 15 G...................................................................... 15 G Total Resistance Shift................................... ±2 % maximum.................................................... ±2 % maximum Voltage Ratio Shift........................................ ±5 % maximum.................................................... ±5 % maximum Shock (Single Section)....................................... 30 G...................................................................... 30 G Total Resistance Shift................................... ±2 % maximum.................................................... ±2 % maximum Voltage Ratio Shift........................................ ±5 % maximum.................................................... ±5 % maximum Load Life ............................................................ 1,000 hours .......................................................... 1,000 hours Total Resistance Shift................................... ±10 % maximum.................................................. ±5 % maximum Rotational Life (No Load) ................................... 100,000 cycles ..................................................... 100,000 cycles Total Resistance Shift................................... (Linear tapers) 10 ohms or ±15 % TRS max. ...... (All tapers) ±5 % TRS max. (whichever is greater) (Audio tapers) ±20 % maximum Contact Resistance Variation @ 50,000 cycles ........................................... (Linear tapers) ±2 %............................................. ±2 % (Audio tapers) ±3 % ............................................. ±3 % Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift................................... (Linear tapers) ±10 % TRS maximum ................. (All tapers) ±5 % TRS maximum (Audio tapers) ±20 % TRS maximum Insulation Resistance (500 VDC).................. 100 megohms minimum ...................................... 100 megohms minimum IP Rating (Model 96) .......................................... IP 65 ..................................................................... IP 65 (All Others) .................................................... IP 40 ..................................................................... IP 40 Potentiometer Specifications |
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