isc website: 1 isc Silicon PNP Power Transistor. 2SB DESCRIPTION. ·Collector-Emitter Breakdown Voltage V(BR)CEO= V(Min) . 2SB Transistor Datasheet pdf, 2SB Equivalent. Parameters and Characteristics. SILICON PNP TRIPLE DIFFUSED TYPE. 2SB Unit in mm. AUDIO FREQUENCY POWER AMPLIFIER APPLICATIONS. MAX. FEATURES.

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(Datasheet) 2SB pdf – POWER TRANSISTORS(8A/V/80W) (1-page)

Yes, my password is: A total power supply voltage of 88V 2sb88 really asking too much from anything in the family, even if the devices were pre-tested above that voltage with a curve tracer.

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But I have no way of making sure they are matched. If I try anyway, do you still think that maybe the DC offset would be improved?

Your name or email address: There are no adjustment points for DC offset in this amp. It arrived today, and now the amp works again. You must log in or sign up to reply here. BinaryMike dahasheet, Jul 29, If it’s clean, then overall amp performance is likely to be improved. You had a schematic the whole time?! Man, it is difficult to find these output transistors.


Need a modern replacement of a TIP34B transistor | Audiokarma Home Audio Stereo Discussion Forums

Log in or Datasjeet up. Those are about as close as you can get. Discussion in ‘ Solid State ‘ started by RuxmanJul 29, FootFungusAug 4, And finally, 2SC or 2SC I have taken out the TIP on the blown channel and everything is shorted.

Also, a small 1uF cap had exploded on this channel. Please identify the amp model, so this thread will be useful to future readers. BinaryMikeAug 4, RuxmanAug 4, Without more info it’s hard to say what was original. Some are probably very. That confirms that the TIPs are not original! So I take it that these two transistors are the only thing that is relevant for the dc offset?

2SB688 Datasheet PDF

BinaryMikeAug 1, I have an amp with a blown channel. I ordered a new TIP transistor before starting this thread. There are seven transistors in total on each power amp section.


I’ve looked at the schematic several times before but did datashret find anything that I could understand that well. OverLoadJul 29, Thanks for the advice so far. What about getting proper output transistors?

2SB688 . Datasheet. Equivalente. Reemplazo. Hoja de especificaciones. Principales características

I can find these, but I do not know if they’re a good replacement. If anybody is interested, here’s a schematic of the amp GIF, kB. RuxmanJul 29, OK, so the mystery is solved.

Tip 35C and 36C are higher powered versions and are still available.