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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Now, with your insight, I looked again and found something of great interest! Tip 35C and 36C are higher powered versions and are still available.

I guess I’m going to have to go with those, but I’ve gotten the impression that they are not entirely suitable. There are seven transistors in total on each power amp section.

2SB Datasheet, PDF – Alldatasheet

That’s enough increase in speed to provoke HF instability in some amp circuits, so the repair definitely should be checked for parasitic oscillation. Share This 22sb688 Tweet. Do you already have an account? How do you get matched pairs of transistors normally? Or is this caused by another part in the circuit? Man, it is difficult to find these output transistors.

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BinaryMikeAug 1, I see that 10R series base resistors are used in the output stages, so faster output transistors are unlikely to cause difficulty. HyperionAug 4, It arrived today, and now the amp works again.

2SB Datasheet(PDF) – Savantic, Inc.

If I try anyway, do you still think that maybe the DC offset darasheet be improved? And finally, 2SC or 2SC That confirms that the TIPs are not original!

BinaryMikeAug 4, Any help would be really appreciated!

This is very educational and fun for me. You must log in or sign up to reply here. Dynaco datssheet TIP transistors in several of their designs. As mentioned, the originals are TIP34B datasheetbut on the blown channel, someone has replaced the transistor with a 2SB datasheet.

2SB688 Datasheet, Equivalent, Cross Reference Search

I can find these, but I do not know if they’re a good replacement. Maybe that is why it has been smoked? RuxmanJul 29, Log in or Sign up.

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Can be found at most electronic distributors. If it’s clean, then overall amp performance is likely to be improved. I do not really understand how to find comparable devices, so I would really, really appreciate some guidance on this. I have taken out the TIP on the blown channel and everything is shorted. Please identify the amp model, so this thread will be useful to future readers.

Dr TinearJul 29, You had a schematic the whole time?! Just get a big bag and test them?

They spec’d 2SB and comp 2SD as suitable as well. Unless the amp is running at high voltages, they all should work. Your name or email address: RuxmanAug 4, No matter where I put the probes, I get continuity.