Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

relay gets heated up

Status
Not open for further replies.

Deexith Hasan

Advanced Member level 4
Joined
Oct 24, 2014
Messages
111
Helped
4
Reputation
8
Reaction score
3
Trophy points
18
Activity points
740
i'm using 12 volt relay kt-909 in 15 volt power supply the relay gets heated up the COM has more heat compared to other pins y?? the relay is working normal......
 

erikl

Super Moderator
Staff member
Joined
Sep 9, 2008
Messages
8,112
Helped
2,689
Reputation
5,358
Reaction score
2,291
Trophy points
1,393
Location
Germany
Activity points
44,158
Put a 3V bulb or a white LED or an appropriate resistor between the 15 volt power supply and the relay coil.

The COM pin probably has the better thermal conductivity to the relay coil.
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Top