WIW31(3339) 型玻璃釉预调电位器

 WIW31(3339) Cermet Trimmer

♦电特性  Electrical Characteristics

•标称阻值范围 Range of nominal resistance:100Ω—1MΩ

•阻值允许偏差 Resistance tolerance: ±10%，±20%

•终端电阻 Terminal resistance: ≤1%R 或  5Ω

•接触电阻变化 Contact resistance variation: CRV≤3%R 或3Ω

•绝缘电阻 Insulation resistance: R_I ≥ 1GΩ(100V)

•耐电压 Withstand voltage: 500Vac(峰值)

•极限动触点电流 Limit current of moving contact: 100mA

•有效电行程 Effective Electrical travel:3圈

♦环境特性 Environment Characteristics

•额定功率 Rated power(250Vmax):0.5W@70℃,0W@125℃

•温度范围 Temperature range: -55℃—+125℃

•温度系数 TCR: ≤±500×10^-6/℃

•温度变化 Temperature vareation: -55℃,30min,+125℃,30min 5次 ΔR≤±4%R

•碰撞 Collision:15g 6ms, 2000次   ΔR≤±2%R

•机械耐久性 Mechanical endurance:100周 ΔR≤±10%R

•稳态湿热  Steady damp heat:(40+2)℃ RH:(90-96)% ΔR≤±5%R ,R_I ≥ 10MΩ

♦物理特性  Physical Characteristics

•总机械行程  Total mechanical travel: 4±1圈

•起动力矩  Starting torque:≤ 30mN.m

•标志  Mark :产品型号、阻值、允许偏差代码、生产日期  Nominal resistance、Resistance tolerance,Type，date

•标准包装  Standard pacdage: 100只/盒   100pcs/box

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