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8182 Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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8182 Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 5 page Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 81/82 - 5/8 ” Square Single-Turn Panel Control 85/86 - 5/8 ” Square Single-Turn Panel Control with Rotary Switch 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 .....................................................................±20 % or 10 % ............................................±10 % or 5 % 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 At 70 °C (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 taper) 10 ohms or ±10 % TRS max. .(All tapers) ±5 % TRS maximum (whichever is greater) (Audio taper) ±20 % maximum Contact Resistance Variation @ 50,000 cycles (Audio taper) ................................................................................±3 % ............................................................±3 % (Linear taper) ...............................................................................±2 % ............................................................±2 % Moisture Resistance (MIL-STD-202, Method 103, Condition B) Total Resistance Shift.........................................................................(B & E tapers) ±10 % maximum .................±5 % maximum (all tapers) (D, G, S & T tapers) ±20 % maximum Insulation Resistance (500 VDC) ........................................................100 megohms minimum..............................100 megohms minimum IP Rating .................................................................................................IP 40 ............................................................IP 40 Mechanical Characteristics1 Stop Strength 1/4 ” and 1/8 ” diameter shafts..............................................................................................................................................................45.19 N-cm (4 lb.-in.) 7/8 ” length shaft ....................................................................................................................................................................................22.6 N-cm (2 lb.-in.) Mechanical Angle ........................................................................................................................................................................................................300 ° ±5 ° Torque Starting and Running Torque (Non-Locking Bushings) Single Section ..........................................................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) Dual Section ..............................................................................................................................................................0.14 to 1.06 N-cm (0.2 to 1.5 oz.-in.) Triple Section ............................................................................................................................................................0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.) Quadruple Section ....................................................................................................................................................0.35 to 1.41 N-cm (0.5 to 2.0 oz.-in.) Starting and Running Torque (Locking Bushings) ........................................................................................................0.14 to 2.82 N-cm (0.2 to 4.0 oz.-in.) Shaft Locking Torque with Locknut @ 10 in-lb. (B & E Bushings) ............................................................................................................14 N-cm (20 oz-in.) Mounting ......................................................................................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum Weight (Single Section) ................................................................................................................................................................................21 grams maximum (Each Additional Section) ..........................................................................................................................................................................6 grams maximum Terminals ............................................................................................................................................................................Printed circuit terminals or J-Hooks 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, wiring diagram, date code and resistance, manufacturer’s part number Ganging (multiple section potentiometers) ........................................................................................................................................................4 cup maximum Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number. NOTE: Model 81/82 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. Features ■ Metal shaft and bushing ■ Consistent, smooth quality feel ■ Up to 4 sections available ■ Rotary switch option designed for “on-off” function control ■ RoHS compliant versions available* For dimensional drawings see pages 3 & 4. For ordering information see page 5. Potentiometer Specifications *RoHS Directive 2002/95/EC Jan 27 2003 including Annex |
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