Switching Circuit

51、32小鬼

Switching Circuit [Copy link]

I want to make a switch circuit, 5V electrical signal to control the relay, but I can't find a suitable relay. Do you have any recommendations? Or other suggestions. Input voltage and current 48V-20A

chunyang

Relays with contact specifications of 48V 20A are quite large, and those with 5V wire windings may not be easy to find. You can check Alibaba or Taobao. It is recommended that you use a solid-state relay with 5V control logic or a MOS tube to implement it.

qwqwqw2088

51、32小鬼

qwqwqw2088 posted on 2019-3-27 19:55

Thank you, I used moS tube instead

51、32小鬼

chunyang published on 2019-3-27 17:47 The relay with contact specification of 48V 20A is not small, and the one with 5V wire winding may not be easy to find. You can go to Alibaba and Taobao to have a look. It is recommended to use 5V control...

Well, I use MOS tube to realize it. I want you to help me look at the picture, but I found that I can't upload the picture. . .

chunyang

51, 32 Xiaogui published on 2019-3-28 11:45 Well, I use MOS tube to implement it, and I want you to help me look at the picture, but I found that I can’t upload the picture. . .

Carefully observe the posting and replying interface, for example, there is a message "Click here to add pictures or attachments" in the upper right corner of the quick reply window.

51、32小鬼

chunyang posted on 2019-3-28 13:50 Carefully observe the posting and replying interface. For example, in the upper right corner of the quick reply window, there is a message "Click here to add a picture or attachment".

I drew it roughly like this, but I think there is a problem, but due to my lack of knowledge, I can't find it. . . 48V directly past it feels not good, if it doesn't work, How to do it