产品名称：RX21型被漆绕线电阻
Product name: RX21 series lacquered wire wound resistors
型 号: RX21
Type: RX21
产品介绍：RX21型电阻器为被漆型绕线电阻器。该电阻体积小，耐高温，防潮性能好。涂料产品利于散热，适宜长时间不间断使用.产品在环境的变化下不受任何影响，并能正常工作。安装时用其引出线安装固定。阻燃性能符合有关标准要求，阻值精度高。
Product introduction: RX21 series resistor is lacquered wire wound resistor. This resistor has small bulk and ability of resistance to high temperature and damp. Lacquered product is propitious to emit heat, uninterrupted and long time use. There is no effect in wicked environment, and can operate normally. Use its down-lead to fix it. Its inflammability is accord with requirement, and has high precision.
用 途：用于直流或低频交流电路中。
Purpose: Used in circuit of DC or low frequency AC.
主要技术参数：Main Inspection Iterms ,Requirements &Methods：
|
检验项目
Inspection Iterms |
性能要求
Requirements |
试验方法
Methods |
|
电阻温度系数
Temperature coefficient |
≤±250 ppm/℃ |
|
|
温升
Temperature rise |
≤250℃ |
rated power，30min |
|
气候类别
Climatic category |
55/155/21 |
|
|
过载
Over-load |
△R≤±(2%R+0.05Ω) |
1000% rated power 5 seconds |
|
引出端强度
Terminal strength |
△R≤±(1%R+0.05Ω) |
d=0.8mm F=10N
d=1.0mm F=20N |
|
振动
Vibration |
△R≤±(1%R+0.05Ω) |
10Hz ~500Hz, 96m/s2 |
|
冲击
shock |
△R≤±(1%R+0.05Ω) |
490 m/s2 , 11 ms |
主要外形尺寸：Main Dimension
|
型号type |
RX21-2W |
RX21-4W |
RX21-8W |
RX21-10W |
|
尺寸
(mm) |
L |
16 |
26 |
32 |
47 |
|
D |
6 |
9 |
9 |
10 |
|
d |
0.8 |
0.8 |
1.0 |
1.0 |
|
70℃额定功率
70℃rating power |
2W |
4W |
8W |
10W |
|
阻值范围
Resistance range |
0.15Ω~5.1KΩ |
0.15Ω~10KΩ |
0.15Ω~33KΩ |
0.15Ω~51KΩ |
