C2001 DATASHEET PDF

2SC transistor pinout, marking C Sometimes the “2S” prefix is not marked on the package – the 2SC transistor might be marked “C”. C datasheet, C pdf, C data sheet, datasheet, data sheet, pdf. C Datasheet PDF Download – 2SC, C data sheet.

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By using our site, you acknowledge that you have read and dztasheet our Cookie PolicyPrivacy Policyand our Terms of Service. I have a circuit in which the C aka 2SC transistor failed after many years.

I Googled about, and tried to replace it with a BC The BC got kind of warm, and didn’t work. So, is there something ‘special’ about the C trannies?

I have seen them referred to as ‘switching’ transistors somewhere, I don’t know what that specially means.

This is being used in a flyback circuit, which switches at approx ummm kHz or c001. My previous, sort-of related question is here: What type of voltage booster circuit is this? What could cause transistor to overheat? Well, it’s whether excessive base current, or excessive product of Ic x Vce. This is your circuit: Base current is not a problem, it is limited by R to 4.

So, transistor could overheat by high Vce or Ic. But it will be lower, say it is mA.

2SC2001 Datasheet, Equivalent, Cross Reference Search

Now look in the datasheets to compare those two transistors what is the Vce for such current. This is from 2SC datasheet: This is from BC datasheet: It is off the chart, it is a bad sign for this situation. Vce would be much higher than 1. So power dissipation would be mW, which is above maximum allowed power dissipation.

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C datasheet, C datasheets, manuals for C electornic semiconductor part

I do not say your circuit is drawing mA, peaks could be higher or lower. But you can see that in some situations there are differences between BC and 2SC Another relevant difference could be in hFE.

It depends on your batch. There are huge differences: BC hFE from to Seeing that dataheet circuit has no feedback resistor anywhere on the 2SC, I would suggest to try adding a 10R resistor in the base of the 2SC resp BC after the 22R resistor that goes to the feedback path and see whether that improves the situation. If not, you have to take out a good oscilloscope and look at the waveforms. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

Home Questions Tags Users Unanswered. Suitable replacement for 2SC transistor?

(PDF) C2001 Datasheet download

BC doesn’t seem suitable Ask Question. Thanks, any help appreciated! I have short-term access to another C – putting that in the circuit works just fine, so I know the transistor is the issue.

How datashest you know that your transistor is the only problem in your circuit? F2001 it possible that there is another problem which caused your transistor to fail and which makes your new transistor hot? Hi there Chupacabras, when I replace it with a good C the whole circuit works just fine.

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When I replace it with a BC, the circuit doesn’t work at all. Chupacabras 3, 2 11 Adding schematic to show what I mean: Attila Kinali c2001, 1 9. Hi, Attila, thanks so much for prompt reply. Can you clarify position of additional 10R resistor?

The switching transistor shouldn’t go into breakdown. This would severely limit the lifetime of an already stressed component. It would take too much space to explain the exact mechanism here, but the gist is, the transistor acts as an impedance conversion element at high frequencies due to beta being frequency dependent. Hence a load at its emitter or collector can cause it to have a negative impedance at its base. The additional resistor dampens this oscillation.

Thanks for that, but just want to clarify where do I put the resistor? Sign up or datasjeet in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the dataheet is subject to these policies.