Transistor - Peavey, SJE 5331, 120V, 3A

Transistor - Peavey, SJE 5331, 120V, 3A

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SJE 5331, 120V, 3A, Case-77.

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Packaging Information
Packaging Dimensions0.9 in. × 0.4 in. × 0.1 in.
Weight (Packaging)0.002 lbs.

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Product Reviews

5.00 out of 5 based on 1 reviews
- March 15th, 2015
5 out of 5

A great price for a decent Peavey part, but, you will probably want to match it with its complimentary counterparts to make the best amp repair possible. You will need an O Scope and a curve tracer. You can find B&K or Leader tracers on web auction sites. Use it to match these into pairs and your amp repairs will last much longer, and sound a lot better too. A few more upgrades and you can make that solid state Peavey almost bullet proof. I buy these at least 10 at a time to try to mate up pairs for the phase inverter on the driver boards. A lot of these were made by RCA in New Jersey, then Motorola in Mexico, and now ST is making them in Asia, so these are actually better than the 1990s Motorola NAFTA parts. Those were very inconsistent. I have a military version in my stock pile now, but you do not need gold plated leads, and you do not need to be hand forming those leads to fit on a special Peavey driver board. Don't forget the thermal grease! You do NOT need Arctic Silver. Any old white thermal grease will work great. Use as little as possible. Put some on the part, bolt the part on the heatsink, take the part back off, and wipe off either the part OR the heatsink so you have the thinnest possible film of grease between the transistor and the heatsink. I have used thermocouples, infrared, and self monitoring PCU chips to test this!