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Product Features
RW
圆柱式无感绕线电阻器
Cylindrical Non inductive Wound Resistor

特点Features
1.完全焊接结构。Complete welded construction.
2.宽阻值范围。Wide resistance range :0.1Ω~100KΩ.
3.阻值公差。Resistance tolerance :±0.05%.
4.高温硅胶涂层。High temperature silicone coating.
5.提供非感应式。Available in non-inductive style (type N).
6.提供特殊匹配(温度系数和公差)。Special matching available (T.C.R and Tolerance).
材料规格Meterial Specifications
1.电阻芯:陶瓷-滑石或氧化铝,根据物理尺寸而定。Core:Ceramic steatite or alumina, depending on physical size.
2.绕线丝:铜镍合金或镍铬合金,具体取决于阻值。Element:Copper- nickel alloy or Nickel - chrome alloy,depending on resistance value.
3.端帽:钢帽。End caps:Steel caps.
4.涂层:特殊耐高温硅胶。Coating: Special high-temperature silicone.
5.标准端子:镀锡铜焊接。Standard terminal:Tinned copper weld.
降额曲线图Derating Curve
1.RW 绕线电阻的工作温度范围为-55℃~+350℃。Wire wound resistors have an operating temprature rance -55 ℃ ~+350℃.
2.必须根据曲线在高温环境下降低其额定值。They must be derated at high ambient temperature according to the curves.
电气规格Electrical Specifications
温度系数Temperature coefficient:
低于1Ω:±90PPM/℃ Below 1Ω:
±90PPM/℃ 1Ω~9.9Ω:
±50PPM/℃ 1Ω~9.9Ω:
±50PPM/℃ 10Ω及以上:
±20PPM/℃ 10Ω and above:
±20PPM/℃
(如有特殊温度系数要求,欢迎咨询consult with factory for special T.C.R. requirement)[敏感词]500 伏交流电500 V AC MIN。
绝缘电阻:干燥时[敏感词]1000M ohm,湿度测试后[敏感词]100M ohm。
Insulation Resistance:1000 M ohm minimum dry, 1 00 M ohm minimumafter moisture test.
|
类型 TYPE |
额定功率 Wattage Rating(W) |
[敏感词]工作电压 Maximum Working Voltage |
电阻范围 Resistance Range(Ω) |
|
|
W(0.1-) |
N(0.1-) |
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|
RW-0.5 |
0.5W |
20 |
3K |
1.5K |
|
RW-1 |
1W |
50 |
8K |
3K |
|
RW-2 |
2W |
100 |
10K |
4K |
|
RW-3 |
3W |
200 |
18K |
9K |
|
RW-5 |
5W |
400 |
35K |
17K |
|
RW-7 |
7W |
450 |
50K |
25K |
|
RW-10S |
10W |
700 |
70K |
35K |
|
RW-10L |
10W |
800 |
100K |
50K |
性能指标Performance Evaluation
|
测试项目 Test |
HMR [敏感词]值 HMR Maximum |
|
负载寿命 Load Life |
±(5%+0.05Ω)△R |
|
防潮性 Moisture Resistance |
±(2%+0.05Ω)△R |
|
温度系数 Temp Coefficient |
20~90 PPM/℃ |
|
热冲击 Thermal Shock |
±(2%+0.05Ω)△R |
|
短时过载 Short Time-Overload |
±(2%+0.05Ω)△R |
|
绝缘体 Dielectric |
±(1%+0.05Ω)△R |
|
低温存储 Low Temp Storage |
±(2%+0.05Ω)△R |
|
高温暴露 High Temp Exposure |
±(5%+0.05Ω)△R |
|
冲击 Shock |
±(1%+0.05Ω)△R |
|
震动 Vibration |
±(1%+0.05Ω)△R |
|
终端强度 Terminal Strength |
±(1%+0.05Ω)△R |
规格参数Specification Parameter
|
|
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|
型号 Type |
尺寸 Dimension(mm) |
|||
|
D(±0.8) |
L(±1.5) |
|
I(±3) |
|
|
RW-0.5 |
3.3 |
10 |
0.7 |
37 |
|
RW-1 |
4 |
12 |
0.8 |
37 |
|
RW-2 |
4.7 |
13.8 |
0.8 |
35 |
|
RW-3 |
5.9 |
15.7 |
0.8 |
35 |
|
RW-5 |
8.52 |
22.5 |
1.0 |
35 |
|
RW-7 |
8.52 |
24.5 |
1.0 |
35 |
|
RW-10S |
8.52 |
39.2 |
1.0 |
35 |
|
RW-10L |
10.5 |
46.2 |
1.0 |
33 |
订购信息Ordering Information
|
选型示例:RW3N-200RF Selection example:RW3N-200RF |
||||
|
RW |
3 |
W |
300R |
F |
|
型号 |
额定功率 |
W:有感 Inductive |
阻值 |
精度 |
|
Type |
Rated Wattage |
Resistance Value |
Resistance Tolerance |
|
|
N:无感 Non-Inductive |
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|
300R=300Ω |
F= ± 1% |
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|
J= ±5% |
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Address: 4th Floor, Angu Industrial Park, Tiechang Technology Park, Shiwan Town, Boluo County, Huizhou City, Guangdong Province
E-mail:twj@twjohm.com