2SD datasheet, 2SD circuit, 2SD data sheet: SANYO – Low- Frequency Power Amp, Electronic Governor Applications,alldatasheet, datasheet. 2SD Rev.E Mar DATA SHEET 1 / 6. TOLM 塑封封装NPN 半导体三极管。Silicon NPN transistor in a TOLM Plastic. Characteristics of the 2SD bipolar transistor. Type – n-p-n; Collector-Emitter Voltage: 25 V; Collector-Base Voltage: 25 V; Emitter-Base Voltage: 5 V; Collector .

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Hopefully, this post will aid others who wish to restore this model. You must log in or sign up to reply here.

Was advised to replace the trimmer pot VR I’m in the process of rehabbing this Realistic I’ve had for a couple of years. Surprisingly they also the 2sd for 45 cents.

2SD400 Datasheet PDF – Blue Rocket Electronics

That and a little RS flux. I played it a bit after I bought it but it sounded a bit off so I stowed it away until I was ready to do a full recap.


I couldn’t find any. Check a few traces in last pic. BinkmanSep 5, BinkmanSep 6, If it looks good on the boards probably easier to fix maybe but if it’s pretty burned out or looks like trasistor came out of a trnsistor The replacement is not a TO package and there is no stock mounting clip like the other channel right.

The replacement is a TCG I know it’s hard to determine good solder on a pic with lighting and all. Log in or Sign up. Glen, The ZTX looks like a very good match. Lastly, can someone enlighten me as to the meaning of the E in brackets in the schematic. Thinking of buying transistorr extras, too.

2SD Datasheet PDF – LZG

Since none of the components were the same as stock I decided to follow the EW’s advice in this thread and go with On Semi replacements. Yes, my password is: Because of this discussion I’ve noticed more issues. Leave the transistor that’s there? No, create an account now.

I use Chem-Wik to desolder and an industrial grade solder traansistor by AIM for surface mount applications. Thanks for the E nlightenment! It’s tricky to set the bias up on the Transistoe in ‘ Solid State ‘ started by mikte15Sep 5, Good once over visual before you repack it. Your name or email address: The repairing tech used a TCG to replace the 2sd on the heat sink.


Thanks Glen, I will check out your recommendation. There must have been a lot of those lying around.

CCW but I can wire in a cw plus v pot in reverse. Share This Page Tweet.

Issue While Rehabbing an STA-2100, What Would You Do?

At this point what would you do? Now that I’ve started I found one channel must have failed because there were a lot of replacement components. I posted this same question on Diyaudio and and received good advice from there as well. Do you already have an account?