供應(yīng)25P精密微調(diào)可調(diào)電阻進(jìn)口BI品牌微調(diào)可調(diào)電阻

25P精密微調(diào)可調(diào)電阻

Temperature Coefficient, Maximum ±100ppm/°C
Operating Temperature Range –55°C to +125°C
Thermal Shock 5 cycles, –55°C to +125°C (2% ΔRT, 2% ΔVR)
Moisture Resistance Ten 24 hour cycles (3% ΔRT)
Shock, 6ms Sawtooth 100G’s ( 1% ΔRT, 1% ΔVR)
Vibration 20G’s,10 to 2,000 Hz (1% ΔRT, 1% ΔVR)
High Temperature Exure 250 hours at 125°C (2% ΔRT, 2% ΔVR)
Rotational Life 200 cycles (2 Ohms +3% ΔRT)
Load Life at 0.5 Watts 1,000 hours at 70°C (3% ΔRT, 3% ΔVR)
Resistance to Solder Heat 350°C for 3 sec. (1% ΔRT)
ELECTRICAL
Standard Resistance Range, Ohms 10 to 2Meg
Standard Resistance Tolerance ±10%
Input Voltage, Maximum 250 Vdc or rms not to exceed power rating
Power Rating, Watts 0.5 at 70°C derating to 0 at 125°C
End Resistance, Maximum 1% or 2 Ohm, whichever is greater
Actual Electrical Trel, Nominal 210°
Dielectric Strength 900Vrms
Insulation Resistance, Minimum 1,000 Megohms
Resolution Essentially infinite
Contact Resistance Variation, Maximum 1% or 3 Ohm, whichever is greater
MECHANICAL
Mechanical Stops Solid
Stop Strength, Minimum 6 oz.-in. (500 gr-cm)
Torque, Maximum 3 oz.-in. (200 gr-cm)
Weight, Nominal .01 oz. (0.3 grams)