绕线电阻器 (RW Series) RWU =STANDARD一般品 RWS =MINIATURIZED小型品 FEATURES : 特性： The RW series are coated with flame-proof silicon-base 使用不燃性涂料,具不燃与绝缘之安全特性. formulation. 长期稳定性佳. Stable long life. 小型化能高密度插装. Small size are good for high density application. CHARACTERISTICS 性 能： ITEM 项 目 SPEC 规 格 REMARKS 备 注 Load life under high temperature 高温负荷寿命 ±5% JIS C 5201-1 Rated voltage at 70℃ for 1,000 hours (4.25.1) 额定电压70℃ 1,000 小时 Load life under high humidity 耐湿负荷寿命 ±5% JIS C 5201-1 Rated voltage at 40℃,95% RH for 1,000 hours (4.24) 额定电压40℃,95% RH 1,000 小时 Temp. coeff. of resistance 温度系数 R>1Ω. ±300ppm/℃R≤1Ω. ±500ppm/℃ JIS-C-5202 5.2 Room temp. 100℃ 室温 100℃ Short time overload 短时间过负荷 ±1% JIS C 5201-1 6.25 times the rated power for 5 seconds (4.13) 6.25倍额定功率 5 秒 Temperature cycling 温度循环 ±1% JIS C 5201-1 5 cycles for □25℃±3℃(30min)；room temp. (4.19) (30min)~ 85℃±3℃(30min) room temp.(30min) Resistance to soldering heat 焊锡耐热 ±1% JIS C 5201-1 260℃±5℃ for 10 seconds(焊锡槽) (4.18) 350℃±10℃ for 3.5 seconds(手焊锡) Insulation resistance 绝缘电阻 >1,000MΩ JIS C 5201-1 500 V Insulation test 1min (4.6.1.1) 500 V绝缘测试电压1min
