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1.Electrical Characteristics for trimmer potentiometer | |
1.1 Range of nominal resistance: 10Ω~5MΩ 1.2 Total Resistance Tolerance: ± 10% 1.3 Terminal resistance: ≤±1%R or 2Ω 1.4 Contact resistance variation : ≤±1%R or 3Ω 1.5 Insulation resistance: ≥ 1GΩ (100V AC) 1.6 Withstand voltage: 500V DC or AC peak value 1.7 Effective electrical travel: ≥200° | |
2.Mechanical Characteristics | |
2.1 Total Rotational Angle: 260°±10° 2.2 Rotational Stopper Strength: ≥50mN.m 2.3 Rotational Torque: ≤20mN.m | |
3.Endurance Characteristics | |
3.1 Rated power: 0.25W ( 300V max) 3.2 Temperature Range:-55°C~+125°C 3.3 Soldering conditions: 260°C ±5°C,5Sec. 3.4 Electrical endurance (0.25W, 1000h): ΔR≤± (5%R+0.1Ω),CRV≤±3%R or 5Ω 3.5 Mechanical endurance (200 cycles): ΔR≤± (10%R+0.5Ω), CRV≤±3%R or 5Ω 3.6 Steady damp heat (IEC68-2-3, Ca, 96h):ΔR≤± (5%R+0.1Ω), Insulation Resistance≥100MΩ 3.7 Temperature Coefficient:±250ppm/°C |