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Old 4th February 2010, 11:23 PM   #1
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Default Thosiba "high end" driver transistors

Dear,

Anyone experience with those driver transistors?

Bipolar Transistors for Audio Drivers: 2SA2219,2SC6139,2SA2220,2SC6140?Topics?TOSHIBA Semiconductor Company

With kind regards,
Bas
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Old 5th February 2010, 05:58 AM   #2
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Specs look good. Try 'em and report.
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Old 5th February 2010, 10:24 AM   #3
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2SA2219 seems to be a cheaper variant of the 2SC5171 (same Cob, similar voltage ratings), but with only half the transition frequency (100 vs. 200Mhz).

As you can easily mount the 2SC5171 onto the main heatsink, I personally prefer these. The high fT with the low Cob makes it a nice VAS-transistor too.

Have fun, Hannes
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