*R series 电力型.Power Type
R type : 固定电阻, Fixed Resistor
SR type : 可调电阻, Adjustable Resistor
NR type : 无感电阻, Noninductive Resistor
*QR series 大功率,低阻值型. High Power, Low Resistance Type (请点选附加说明档)
QR type : 固定电阻, Fixed Resistor
SQR type : 可调电阻, Adjustable Resistor
NQR type : 无感电阻, Noninductive Resistor
*ZR series 平型. Flat Type (附加说明档)
ZR type : 固定电阻, Fixed Resistor
NZR type : 无感电阻, Noninductive Resistor
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R series 电力型 .
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R type :固定电阻
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SR type:可调电阻
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NR type:无感电阻
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电器特性
特性Characteristics |
规格值
Limits |
检验方法
Test methods |
阻值和阻值的误差 |
Resistance
nominal |
Resistance
tolerance |
1
= < R |
±5%(J) |
1
> R |
±10%(K) |
|
JIS-C-5202
5-1 |
温度系数 |
±
200ppm/° C max. |
JIS-C-5202
5-2 b |
额定负载 |
R/R=
< ±(1%+0.05 )
表面温度上升 (tempoerature) 350° C max. |
JIS-C-5202
5-4 |
短时间过载 |
定额10倍5秒过载
1000% rated power 5 seconds
R/R= < ±(2%+0.05 )
|
JIS-C-5202
5-5 |
绝缘阻值 |
DC500V
100M
min. |
JIS-C-5202
5-6 |
耐电压 |
AC3000V
1 mintue |
JIS-C-5202
5-7 |
短时间过载表 Short-time Overload Rating
负荷时间(Second
) Load Time |
1 |
2 |
3 |
4 |
5 |
10 |
30 |
60 |
180 |
300 |
600 |
900 |
电力增加率(%)
Power Increase |
2600 |
200 |
1600 |
1400 |
1300 |
1000 |
600 |
450 |
200 |
150 |
120 |
110 |
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