Thosiba "high end" driver transistors

Sebastiaan · 4th February 2010, 11:23 PM

Dear,

Anyone experience with those driver transistors?

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

With kind regards,
Bas

EchoWars · 5th February 2010, 05:58 AM

Specs look good. Try 'em and report.

h_a · 5th February 2010, 10:24 AM

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

4th February 2010, 11:23 PM	#1
Sebastiaan diyAudio Member Join Date: Jun 2004 Location: the Netherlands	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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5th February 2010, 05:58 AM	#2
EchoWars diyAudio Member Join Date: Dec 2002 Location: Left of the Dial	Specs look good. Try 'em and report.

5th February 2010, 10:24 AM	#3
h_a diyAudio Member Join Date: Sep 2006 Location: Graz, Austria	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