3862

      3862 is a kind of 1/2" diameter single-turn panel control with five unique festures: The first one is small diameter ; The second one is wide resisitance range; The third one is good resolution ; The forth one is linear tapers; The fifth one is cermet element.
     At the same time , there are some characteristics about it.First one is initial electrical characteristics: Standard Resistance Range is from 100 ohms to 1 megohm; Total Resistanse Tolerance is (A Taper)±10%; Independence Linearity is±5%;Absolute Minmum Resisitance is 2 ohms maximum; Effective Electrical Angle is 260°± 10°; Contact Resistance Variation is ±3% of total resistance; Insulation Resistance(500 VDC )is 1000 megohms minmum; Theoretical Resolution is esstantially infinite. Second one is environmental characteristics: Operating Temperature Range is from -1 °C to +125 °C; Storage Temperature Range is from -65 °C to +125 °C; Temperature Coefficient Over Storage Temperature Range is ±150 ppm/°CVibration is 20 G ,Total Resistance Shift is ±2 % maximum, Voltage Ratio Shift is ±6 % maximum; Shock is 50 G ,Total Resistance Shift is ±2 % maximum , Voltage Ratio Shift is ±6 % maximum; Load Life is 1,000 hours; Total Resistance Shift is ±3 % maximum; Rotational Life (C & N Bushing) No Load is 50,000 cycles, Total Resistance Shift is ±5 % maximum, Contact Resistance Variation is ±3 %; Moisture Resistance (MIL-STD-202, Method 106, Condition B),Total Resistance Shift is±2 % maximum, Insulation Resistance (500 VDC) is 100 megohms minimum; Salt Spray is MIL-STD-202, Method 101, Condition A; IP Rating is IP 40.Third one is mechanical characteristics: Stop Strength is 33 N-cm (3 lb.-in.) maximum; Mechanical Angle is 295 ° ±3 °; Torque: Starting and Running is 3.53 N-cm (5 oz.-in.) maximum; Mounting (Torque on Bushing) is 1.7-2.0 N-m (15-18 lb.-in.) maximum; Shaft Locking Torque with Locking Bushings is 14.12 N-cm (20 oz.-in.); Weight (Single Section) is 25 grams maximum(Each Additional Section); Terminals is  printed circuit pins or J-Hooks, Soldering Condition is recommended hand soldering using Sn85/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.Part can be wave soldered at 260 °C (500 °F) for 5 seconds, no wash process with no clean flux; Marking is manufacturer's trademark, wiring diagram, date code, resistance, manufacturer's part number; Ganging is 1 cup maximum; Hardware is one lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
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