High Voltage TO-3

avionic · Aug 27, 2012

Yamaha B-1 TR1 & 2 Used for HV switching.

2SC1577 obsolete
TO-3
500 volt
8.0 Amp
80 watt
7 mhz *
substitution---
BUY69A
TO-3
1000 volt
10.0 amp
100 watt
10 mhz *
What do you think?

petehall347 · Aug 27, 2012

they look nice in gold ..
are they up to speed ?

4seatPilot · Aug 28, 2012

This won't be a replacement for the 2SK77, will it?

avionic · Aug 28, 2012

4seatPilot said:
This won't be a replacement for the 2SK77, will it?

No,I dont think so. The only replacement for a K77 is a K77..Which can be found at the end of a rainbow. Or in another B-1..
The C1577's are part of the protection circuit.

EchoWars · Aug 28, 2012

I think I've used the ST Micro BU208A in that position. But I don't see anything wrong with your choice.

avionic · Aug 29, 2012

EchoWars said:
I think I've used the ST Micro BU208A in that position. But I don't see anything wrong with your choice.

:thmbsp:

4seatPilot · Aug 29, 2012

avionic said:
No,I dont think so. The only replacement for a K77 is a K77..Which can be found at the end of a rainbow. Or in another B-1..
The C1577's are part of the protection circuit.

I guess we'll have to find a leprechaun.

High Voltage TO-3

avionic

" Black Knights "------- F-15 " Wizard "

petehall347

the brandy coffee man

4seatPilot

"Broker"

avionic

" Black Knights "------- F-15 " Wizard "

EchoWars

Hiding in Honduras

avionic

" Black Knights "------- F-15 " Wizard "

4seatPilot

"Broker"

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