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: RI ≥ 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 ,RI ≥ 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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