WXW1-1A,-2,-3-4 型线绕预调电位器

WXW1-1A,-2,-3-4 Wire-Wound Trimmer Potentiometer

♦电特性  Electrical Characteristics

•标称阻值范围 Range of nominal resistance:100Ω—22KΩ

•阻值允许偏差 Resistance tolerance: ±5%，±10%

•终端电阻 Terminal resistance: ≤2%R 或  1Ω

•转动噪声 Rotational noise:≤100Ω

•耐电压 Withstand voltage: 900Vac(峰值)

•有效电行程 Effective Electrical travel: ＞ 总机械行程的70%

♦环境特性 Environment Characteristics

•额定功率 Rated power(125Vmax):1W@70℃,0W@125℃

•温度范围 Temperature range: -55℃—+125℃

•温度系数 TCR: ≤±250×10^-6/℃

•轴的推力 Pushing force of theshaft:10N Δ(Uab/Uac)≤±2%

•温度变化 Temperature vareation: -55℃,30min,+125℃,30min 3次 ΔR≤±3%R,Δ(Uab/Uac)≤±2%

•碰撞 Collision: 390m/s², 4000次   ΔR≤±2%R

•振动 Vibration: (10—500)Hz,0.75mm ΔR≤±2%R,Δ(Uab/Uac)≤±3%

•气候顺序 Climate category:IEC68-2-2等ΔR≤±5%R , R_I ≥ 100MΩ

•70℃耐久性 Endurance at 70 ℃:1W, 70℃,1000h ΔR≤±7.5%R,ENR≥1GΩ

•机械耐久性 Mechanical endurance:200周 ΔR≤±5%R  ENR≤500Ω

•稳态湿热  Steady damp heat:IEC68-2-3, Ca,  240h  ΔR≤±5%R ,R_I ≥ 100MΩ

♦物理特性  Physical Characteristics

•总机械行程  Total mechanical travel: 50± 5圈

•起动力矩  Starting torque:≤ 35mN.m

•标志  Mark :标称阻值、允许偏差代码、产品型号  Nominal resistance、resistance tolerance ,Type

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

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