6443 views|5 replies

106

Posts

0

Resources
The OP
 

Selection of the discharge resistor of the X capacitor [Copy link]

I saw two X capacitors on a power supply, one with two 1M resistors in series, and the other with VR selected. I would like to ask what the difference is

This post is from Power technology

Latest reply

The varistor is used to protect the subsequent circuit, and the bleeder resistor is not necessary.   Details Published on 2021-5-24 15:25
 
 

106

Posts

0

Resources
2
 

2.

image.png (10.23 KB, downloads: )

image.png

image.png (14.7 KB, downloads: 0)

image.png
This post is from Power technology
 
 
 

106

Posts

0

Resources
3
 

1

image.png (32 KB, downloads: 0)

image.png
This post is from Power technology
 
 
 

1w

Posts

142

Resources
4
 

The varistor is not used to discharge the X capacitor. In fact, the X capacitor generally does not need a discharge resistor.

This post is from Power technology

Comments

What is the role of VR2 and the two 1M resistors in series?  Details Published on 2021-5-24 15:22
Personal signature上传了一些书籍资料,也许有你想要的:http://download.eeworld.com.cn/user/chunyang
 
 
 

106

Posts

0

Resources
5
 
chunyang published on 2021-5-24 15:17 Varistors are not used to discharge X capacitors. In fact, X capacitors generally do not require discharge resistors.

What is the role of VR2 and the two 1M resistors in series?

This post is from Power technology
 
 
 

1w

Posts

142

Resources
6
 

The varistor is used to protect the subsequent circuit, and the bleeder resistor is not necessary.

This post is from Power technology
Personal signature上传了一些书籍资料,也许有你想要的:http://download.eeworld.com.cn/user/chunyang
 
 
 

Guess Your Favourite
Just looking around
Find a datasheet?

EEWorld Datasheet Technical Support

Copyright © 2005-2024 EEWORLD.com.cn, Inc. All rights reserved 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号
快速回复 返回顶部 Return list