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Old 20th November 2011, 10:06 PM   #1
chipper is offline chipper  United States
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Default About matching transistors in the channels?

Hi I'd like to learn more about matching transistor date codes? I have a punch 55.2 that I'm working on has a channel with shorted outputs and I have found some good ones (ST IRF540, HARRIS IRF540) if i purchase either one of these and use it for the output stage will they have any problems in the long run? I noticed both channels have matching date code outputs. would I have to replace both sides?
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Old 20th November 2011, 10:26 PM   #2
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Only parallel transistors have to match. The 55.2 probably doesn't have any parallel outputs.
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Old 21st November 2011, 12:27 AM   #3
chipper is offline chipper  United States
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Ok it's just one n-channel and one p-channel per channel.
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