RX21 线绕电阻
价格:电议
地区:上海
电 话:86 021 57628686
传 真:86 021 57629705

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