Characteristics of the 2SC bipolar transistor. Type – n-p-n; Collector-Emitter Voltage: V; Collector-Base Voltage: V; Emitter-Base Voltage: 5 V. 2SCO Specifications: Transistor Type: NPN ; Voltage – Collector Emitter Breakdown (Max): V Details, datasheet, quote on part number: 2SCO . 2SC datasheet, 2SC circuit, 2SC data sheet: MOSPEC – POWER TRANSISTORS(15A,V,W),alldatasheet, datasheet, Datasheet search.
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Jun 11, 46 0. Especially that transistor chapter. I have certainly built more PSUs than another other type of circuit over the years. That said, thanks again for your help Ravi Colombo Sri lanka. I wonder whether you can remember me May 5, 5. To compensate for this the raw input supply is high so that Q3 and Q4 can draw enough current through R1 and R2 to supply the pass transistor base drive and and also their own needs.
That can be used to calculate the worst case heat dissipation in the power transistors.
The datasheet of the transistors will tell you most of this, like maximum temperature allowed and the heat flow resistance of the transistor. Replacement Transformer Started by ncag Today at 7: You might have some good luck with the MJE series parts.
I can’t imagine that a book like this would be put out if it gave unsafe information.
(PDF) 2SC3281 Datasheet download
This does give me an opportunity to try to explain what the project is, which may be better for me than for you. The power you need to get rid of is 45 watts at the worst. Dataxheet can also order direct from Pioneer – prices seems inflated though http: The emphasis on safety in the book is quite big, so I imagine that “heatsinking” Q1 and Q2 to the chassis shouldn’t be unsafe.
Your name or email address: Again, please forgive my ignorance. TheOne New Member Dec 19, May 4, 2. Hello Phasor, Thanks very much Phasor. This puts you in the position of learning heat flow.
2SC Datasheet, Equivalent, Cross Reference Search. Transistor Catalog
Phasor Member Dec 21, Datasheets, Manuals or Parts. I also picked up some mica and thermal compound. Thanks Marry X’mas and happy new year to every one!!! Nov 9, 5, What output current will you be running and what is the linear voltage drop difference between Vin and Vout?
May 4, 1. Feb dattasheet, Meantime,If someone knows an equivalent please tell me OR give me any links. Well, the deed is done. May 6, datasheft. The unit will provide two independently adjustable outputs, positive and negative of about 4V to 15V each, as well as a ground.
It’s for a power supply Welcome to our site! Be very weary with NTE parts, they are known to be remarked devices datadheet does not match the original parts spec what so ever. May 5, 4.
Apr 5, 18, 3, In this teardown, we will look inside a TP link powerline adaptor to see what makes this thing tick! Wonder if I understood the first part of that design correctly as far as Vin goes. May 7, 9. Forums New posts Search forums. In the end, the question of whether using the chassis for heat dissipation is wise or not may be overshadowed by my obvious ignorance and the fact that I’m sure that there are better designs for a power supply.
To participate you need to register. The gain of the pass transistors is low which is why Darlingtons are recommended as an improvement and the supply differential amp gain is also low Which is why he recommended an op amp.