Curve Tracer question

tyler84 · 2nd March 2011, 12:44 AM

Hello everyone,

I'm want to buy my first curve tracer and I'm considering Madell CA4810A. I want a curve tracer that will be capable of testing various transistors including power mosfets. Is the CA4810A a good choice?

Thank you in advance!

jackinnj · 2nd March 2011, 01:06 AM

Power MOSFETs should be tested with a pulse fixture -- Tektronix manufactured a device for this purpose for the 576 Series. I think that the white paper which TEK wrote on testing MOSFETs is still on their website, although the discrete MOSFET line was sold to Vishay.

tyler84 · 2nd March 2011, 04:15 AM

Sorry for my lack of understanding with regard to this subject. I see the 4810A offers the ability to test Fets, is a pulse fixture still needed?
Also I see the 4810A is rated for 10 amps current, the IRF520 says it's a 9.2 amp device. If that's the case will I be limited to testing transistors that are no larger than the IRF520?

Thank you for giving me a crash course in curve tracers!

tyler84 · 3rd March 2011, 12:32 PM

Should I assume the CA4810A is not a good choice?

2nd March 2011, 12:44 AM	#1
tyler84 diyAudio Member Join Date: Mar 2011	Curve Tracer question Hello everyone, I'm want to buy my first curve tracer and I'm considering Madell CA4810A. I want a curve tracer that will be capable of testing various transistors including power mosfets. Is the CA4810A a good choice? Thank you in advance!

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2nd March 2011, 01:06 AM	#2
jackinnj diyAudio Member Join Date: Apr 2002 Location: Llanddewi Brefi, NJ	Power MOSFETs should be tested with a pulse fixture -- Tektronix manufactured a device for this purpose for the 576 Series. I think that the white paper which TEK wrote on testing MOSFETs is still on their website, although the discrete MOSFET line was sold to Vishay.

2nd March 2011, 04:15 AM	#3
tyler84 diyAudio Member Join Date: Mar 2011	Sorry for my lack of understanding with regard to this subject. I see the 4810A offers the ability to test Fets, is a pulse fixture still needed? Also I see the 4810A is rated for 10 amps current, the IRF520 says it's a 9.2 amp device. If that's the case will I be limited to testing transistors that are no larger than the IRF520? Thank you for giving me a crash course in curve tracers!

3rd March 2011, 12:32 PM	#4
tyler84 diyAudio Member Join Date: Mar 2011	Should I assume the CA4810A is not a good choice?

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