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2SB688 DATASHEET PDF

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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And finally, 2SC or 2SC Please identify the amp model, so this thread will be useful to future readers.

Unless the amp is running at high voltages, they all should work. Log in or Sign up. Tip 35C and 36C are higher powered versions and are still available.

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

The 2sb has a higher voltage rating, and the is rated at higher current. RuxmanJul 29, Or is this caused by another part in the circuit? The two outputs, and then very datasehet those, 2SA and 2SC Dr TinearJul 29, No matter where I put the probes, I get continuity.

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They spec’d 2SB and comp 2SD as suitable as well. That’s enough increase in speed to provoke HF instability in some amp dtaasheet, so the repair definitely should be checked for parasitic oscillation.

2SB688 Datasheet PDF

RuxmanAug 4, TIP33 and 34 are still available – should use the “C” dtasheet v. Basically it sounds like you have a smorgasbord of output transistors. This is very educational and fun for me. Your name or email address: Any help would be really appreciated!

2SB Datasheet, PDF – Alldatasheet

The original output transistors were TIP34B, and I need replacements but they seem to be impossible to find. BinaryMikeAug 1, Thanks for the advice so far.

Without more info it’s hard to say what was original. Back to original question.

It arrived today, and now the amp works again. Dynaco used TIP transistors in several of their designs. A total power supply voltage of 88V is 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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Need a modern replacement of a TIP34B transistor

Oregon, land of magnificent stumps. A random pair of KSA devices from the same batch are probably matched well enough for the input diff-amp stage, especially if you get them from the highest hFE ranks Datasheef or E.

I do not really understand how to find comparable devices, so I would really, really appreciate some guidance on this. FootFungusAug 4, OverLoadJul 29, Some are probably very.

Also, a small 1uF cap had exploded on this channel. A recap, for example, won’t help at all? I can find datashete, but I do not know if they’re a good replacement. Do you already have an account? It’s an OEM amp