Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [x-capacitor]

The tag has no usage guidance.

0
votes
0answers
17 views

X2 capacitor discharge/bleeder

My application has a High voltage battery (close to 530v) which is then connected to a DC DC converter that has a input X2(30µF) capacitor. My question is about the bleeder resistor design. Would ...
24
votes
2answers
3k views

What killed these X2 caps?

A few years ago, I designed an MCU-controlled dimmer driving a 150W mains halogen lamp. This is in Western Europe; 50Hz 230VAC. It uses X2-rated capacitors as capacitive droppers for the power supply, ...
6
votes
1answer
1k views

X capacitor selection for SMPS power supply

Few months back, I designed a switch mode power supply using Viper22A chip. Now, I am trying to improve that design. The new circuit is intended for universal input (85 VAC - 265 VAC). Output will be ...
0
votes
1answer
73 views

How to find an X capacitor

Working from a data sheet reference design a 47nF/X 250V capacitor is recommended. What makes a capacitor an X capacitor? From some googling i've found that X capacitors are meant to go across mains....