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ePanorama.net discussion forum archive 2001-2003

How to Check NPN transistor and PNP

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Posted by mr transistor (195.73.9.149) on April 05, 2003 at 13:54:21:

i have a NPN transistor and want to connect it with a Relay...

but i want to check whether it is NPN or not...how i can do that using a multi-meter..

NPN means = provide positive voltage at the centre pin of transistor...centre pin is mostly collector..

I have placed my transistor in my multi-meter and set the meter on hFE which shows 175 gain...and show nothing i place the transistor in some other arrangment..

any other way ....to confirm

also about PNP transistors...
how to check them?

Follow Ups:

Re: How to Check NPN transistor and PNP maung myo khaing 12:17:23 09/13/03 (0)
Re: How to Check NPN transistor and PNP olivier 08:14:53 09/04/03 (0)
Re: How to Check NPN transistor and PNP ankur pancholi 06:36:03 09/03/03 (0)
Re: HOW TO CHECK THE TRANSISTOR FAILURE Tomi Engdahl 06:26:36 05/20/03 (0)
HOW TO CHECK THE TRANSISTOR FAILURE hamidali 05:08:49 05/20/03 (1)
Re: How to Check NPN transistor and PNP Earlier Post 19:35:15 04/05/03 (2)

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