Replacement for 2N3773

emmi · 17th October 2011, 04:37 PM

Any Replacement for 2N3773 transistor?

khalsa · 17th October 2011, 05:58 PM

2sc5200 TOSHIBA

sbrads · 17th October 2011, 06:09 PM

You could try trawling the list this site gives on a search..........
2N3773 Transistor Datasheet. Equivalent transistors for 2N3773 - Parameters and Characteristics. Electronic Component Catalog.

I've heard that the 100v SOAR performance was 100% guaranteed with 2n3773s though, and that's a rarity.

ingenieus · 07:27 PM

The 2SC5200 is a good match electrically, but not mechanically as the cases are very different.

How about the MJ15003? It also comes in a TO3 and the pins are the same. It's billed as Vceo 140V, Ic 20A, Pd 250W, hfe 25-150, fT 2Mhz. The numbers for the 2N3773 are 140V, 16A, 150W, 15-60, fT not stated. Looks like a good match.

The MJ802 could also work. Its only 100V, but the rest looks good at 30A, 200W, 25-100, 2Mhz. If your circuit runs off 40V or below rails you will be OK.

tiefbassuebertr · 08:32 PM

check out 1) and 4) (the TO-3 versions) by post#1 about
bipolar (bjt) transistor families for audio power output stages
possibly a re-design is necessary (independend of the application resp. the kind of use - please note the higher values for Ft).

blmn · 18th October 2011, 02:54 AM

Is really necessary to replace the transistor?

At Farnell India you can find good 2n3773 from many manufacturers:

Transistors - Bipolar - (BJT) Single | element14 India

Regards,

stratus46 · 18th October 2011, 03:59 AM

Quote:

Originally Posted by emmi

Any Replacement for 2N3773 transistor?

DigiKey will sell them for $3.04 and has 811 of them. Are you asking for improved devices?

G²

AndrewT · 18th October 2011, 11:18 AM

The 5200 gets no where near the cold, nor the hot, SOAR performance of the 3773.
It cannot be a replacement where SOAR has been used by the designer.

ingenieus · 18th October 2011, 01:03 PM

For SOAR performance, check out the MJ21194. The datasheet gives 2.5A, 80V for one second.

Other numbers are Vceo 250V, Ic 16A, Pd 250W, hfe 25-75, fT 4MHz. Might be the one to go for, but the high-ish fT _could_ be a problem in some circuits (strange as it may sound).

jez · 18th October 2011, 02:21 PM

Why replace it? They are easy to get and cheap.

17th October 2011, 07:24 PM	#4
ingenieus diyAudio Member Join Date: Apr 2011	The 2SC5200 is a good match electrically, but not mechanically as the cases are very different. How about the MJ15003? It also comes in a TO3 and the pins are the same. It's billed as Vceo 140V, Ic 20A, Pd 250W, hfe 25-150, fT 2Mhz. The numbers for the 2N3773 are 140V, 16A, 150W, 15-60, fT not stated. Looks like a good match. The MJ802 could also work. Its only 100V, but the rest looks good at 30A, 200W, 25-100, 2Mhz. If your circuit runs off 40V or below rails you will be OK. Last edited by ingenieus; 17th October 2011 at 07:27 PM.

17th October 2011, 08:29 PM	#5
tiefbassuebertr diyAudio Member Join Date: Jul 2005 Location: D-55629 Schwarzerden	check out 1) and 4) (the TO-3 versions) by post#1 about bipolar (bjt) transistor families for audio power output stages possibly a re-design is necessary (independend of the application resp. the kind of use - please note the higher values for Ft). Last edited by tiefbassuebertr; 17th October 2011 at 08:32 PM.

18th October 2011, 11:18 AM	#8
AndrewT diyAudio Member Join Date: Jul 2004 Location: Scottish Borders	The 5200 gets no where near the cold, nor the hot, SOAR performance of the 3773. It cannot be a replacement where SOAR has been used by the designer. __________________ regards Andrew T.

18th October 2011, 02:21 PM	#10
jez diyAudio Member Join Date: Jan 2004 Location: n.e england	Why replace it? They are easy to get and cheap. __________________ Repairs and mods to Real Hi-Fi, guitar amps and P.A. in North East England. http://www.arklesselectronics.com

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17th October 2011, 04:37 PM	#1
emmi diyAudio Member Join Date: Aug 2010	Replacement for 2N3773 Any Replacement for 2N3773 transistor?

17th October 2011, 05:58 PM	#2
khalsa diyAudio Member Join Date: Dec 2007	2sc5200 TOSHIBA

17th October 2011, 06:09 PM	#3
sbrads diyAudio Member Join Date: Jun 2005 Location: Kent, UK	You could try trawling the list this site gives on a search.......... 2N3773 Transistor Datasheet. Equivalent transistors for 2N3773 - Parameters and Characteristics. Electronic Component Catalog. I've heard that the 100v SOAR performance was 100% guaranteed with 2n3773s though, and that's a rarity.

18th October 2011, 02:54 AM	#6
blmn diyAudio Member Join Date: Feb 2001 Location: .	Is really necessary to replace the transistor? At Farnell India you can find good 2n3773 from many manufacturers: Transistors - Bipolar - (BJT) Single \| element14 India Regards,

18th October 2011, 01:03 PM	#9
ingenieus diyAudio Member Join Date: Apr 2011	For SOAR performance, check out the MJ21194. The datasheet gives 2.5A, 80V for one second. Other numbers are Vceo 250V, Ic 16A, Pd 250W, hfe 25-75, fT 4MHz. Might be the one to go for, but the high-ish fT _could_ be a problem in some circuits (strange as it may sound).

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