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Welcome, Guest. Please login or register. Did you miss your activation email? This topic This board Entire forum Google Bing. Print Search. Author Topic: Transistor with quite high hFE? Read times. While ago a friend gave me a handful of unused old Japanese transistors with part no 2SD, he did mention that these are old stuff but powerful transistors and didn't say any details what he meant by that.
Its been a while and never really paid attention to it, and just today when tidying up my components bins, on curiosity I downloaded the datasheet to check it out, and I was amazed at how high the hFE of this transistor. May be its just me just a hobbyist , I've never seen such high beta with such relatively high current capability.
At chart above, even at 2 Amp, the hFE still at about Just curious what kind of circuit can be used for this high hFE advantage? Mechatrommer Super Contributor Posts: Country: reassessing directives It's extremely difficult to start life.. You may wonder Why? We simply have to accept it. One could describe the situation by saying that Paul Dirac.
Quote from: Mechatrommer on February 04, , am. Marco Super Contributor Posts: Country:. I assume it's a super beta transistor, although with a pretty high max Vce. Quote from: BravoV on February 04, , am. Quote from: Marco on February 04, , am. Try looking at this transistor Think of a darlington transistor as a composite device made of two discrete devices. It's not very fast, the transition frequency falls off at higher currents, so it might make a suitable audio output driver.
Mate it with its complement in a push pull, you could probably make a 20W or 30W amplifier from it. Quote from: SeanB on February 04, , pm. Quote from: jimmc on February 04, , pm. Quote from: codeboy2k on February 05, , am. Quote from: boB on February 05, , am. The following users thanked this post: boB. There was an error while thanking. SMF 2. EEVblog on Youtube.
2SD1273A - Silicon NPN triple diffusion planar type
Power Transistors. Silicon NPN triple diffusion planar type. For power amplification with high forward current transfer ratio Complementary to 2SB Area of safe operation ASO. Learn more about Scribd Membership Home. Much more than documents. Discover everything Scribd has to offer, including books and audiobooks from major publishers.
D1273 – Vcbo=80V, NPN Transistor – Panasonic
2SD1273 - 2SD1273 NPN Power Transistor
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