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newbie Guest
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Posted: Tue Nov 30, 2004 2:02 pm Post subject: HOW DO I CHECK AN FET(MOSFET,JFET) IF IT IS DEFECTIVE? |
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the topic says it all,
How do I check or test an FET ,"MOSFET OR JFET" using an OHMETER,if it is defective or not,
and can I determine if it is an enhanceMOSFET,a depletion MOSFET,a N type FET ,etc...from the test. |
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Atom
Joined: 26 Nov 2004 Posts: 29 Location: Tennessee, USA
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Posted: Tue Nov 30, 2004 2:14 pm Post subject: |
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It's best to replace/temporarily replace a suspected faulty fet with a new or known good one. Even checks with transistor checkers that are equiped to test fets are not always conclusive. However these checkers are sometimes handy for identifying lead configuration and type, and of course short or open. _________________ visit Singles Places dating site
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David Guest
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Posted: Tue Nov 30, 2004 2:52 pm Post subject: |
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Switch Ohmeter 10x you check D with S pin and change the pin again ,result the meter swing to high scale one time and not swing ,If swing both it is short at D and S |
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