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5D-13 Datasheet(PDF) 7 Page - Shanghai Leiditech Electronic Technology Co., Ltd |
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5D-13 Datasheet(HTML) 7 Page - Shanghai Leiditech Electronic Technology Co., Ltd |
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7 / 24 page ![]() ⑶ 材料(Materials) ①、封装材料( Wrapper) :酚醛树脂( Modified phenolic resin) ②、引线( Down-lead) :CP 线(CP Wire) ③、颜色( Coating color) : 黑色(Black) 印字方式 NTC 负温度系数热敏电阻器 NTC thermistor 20 额定零功率电阻值 20 Ω D 圆片型 Disk-Type 15 直径 15 ±1(mm) 4.2、主要技术参数(Parameters of Technology): ① 25℃时零功率电阻值(Ω)( Zero Power Resistance at 25℃) :20± 20% ② 热时间常数(S) (Thermal Time Constant): 85 ③ 热耗散系数(mW/℃)(Thermal Dissipation Constant ): 18 ④ 工作温度(℃)( Operating Temperature) : -40 +200 ⑤ 最大稳态电流(A)( Max Steady State Current) : 4 ⑥ 最大允许使用容量值(240Vac) : :470F Maximum allowable capacity value (240Vac) :470F ⑦ 绝缘电阻值 :>1000 MΩ,将热敏电阻的引出端连接起来作为一个电极,金属箔 作为另一个电极,在两电极间施加直流电压 100V±15V 测量两个电极间的绝缘电阻, 施加电压的时间为 1min,绝缘电阻不小于 1000 MΩ; Insulation resistance: 1000 MΩ ohm, the terminal of the thermistor connected as an electrode, metal foil as another electrode, 100V ± 15V DC voltage is applied between the two electrodes measure the insulation resistance between the two electrodes, the voltage applied to the time of 1min, the insulation resistance of not less than 1000 MΩ; ⑧ 耐电压 :将热敏电阻的引出端连接起来作为一个电极,金属箔作为另一个电极, 在两电极间施加一个频率为 40Hz-60Hz,取规定绝缘电压 1.4 倍的 AC 电压(AC500V)为 峰值电压,持续时间为 60s±5s,电压应近似于 100V∕s 的速率逐步施加,热敏电阻器 NTC20D-15 20D-15 Rev 2.0 : www.leiditech.com 12.01.2019 7/24 |
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