2SCM Transistor Datasheet pdf, 2SCM Equivalent. Parameters and Characteristics. 2SC datasheet, 2SC circuit, 2SC data sheet: NEC – NPN SILICON TRANSISTOR,alldatasheet, datasheet, Datasheet search site for Electronic. 2SC datasheet, 2SC circuit, 2SC data sheet: TEL – Plastic- Encapsulated Transistors,alldatasheet, datasheet, Datasheet search site for.

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If not, you have to take out a good oscilloscope and look at the waveforms. Post as a guest Name.

Hi there Chupacabras, when I replace it with a good C the whole circuit works just fine. Email Required, but never shown. Vce would be much higher than 1.

Chupacabras 3, 2 11 This is from 2SC 2sc22001 Now look in the datasheets to compare those two transistors what is the Vce for such current. So, is there something ‘special’ about the C trannies?

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BC doesn’t seem suitable Ask Question. This is your circuit: Is it possible that there is another problem which caused your transistor to fail and which makes your new transistor hot? 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.

What type of voltage booster circuit is this?

I do not say your circuit is drawing mA, peaks could be higher or lower. Can you clarify position of additional 10R resistor? I have short-term access to another C – putting that in the circuit works just fine, so I know the transistor is the issue. By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.


This would severely limit the lifetime of an already stressed component. There are huge differences: When I replace it with a BC, the circuit doesn’t work at all.

But you can see that in some situations there are differences between BC and 2SC So power dissipation would be mW, which is above maximum allowed power dissipation. Suitable replacement for 2SC transistor?

Datasheet «2SC2001»

Home Questions Tags Users Unanswered. Sign up or log in Sign up using Datassheet. I have a circuit in which the C aka 2SC transistor failed after many years. Another relevant difference could be in hFE. How do you know that your transistor is the only problem in your circuit? But it will be lower, say it is mA. This is being used in a flyback circuit, which switches at approx ummm kHz or so.

This is from BC datasheet: Sign up using Facebook. Hence a load at dayasheet emitter or collector can cause it to have a negative impedance at its base. Well, it’s whether excessive base current, or excessive product of Ic x Vce. 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 website is subject to these policies.


Hi, Attila, thanks so much for prompt reply. 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.

2SC Datasheet(PDF) – List of Unclassifed Manufacturers

The additional resistor dampens this oscillation. I Googled about, and tried to replace it with a BC The BC got kind of warm, and didn’t work. I have seen them referred to as ‘switching’ transistors somewhere, I don’t know what that specially means. Sign up using Email and Password. Attila Kinali 1, 1 9. So, transistor could overheat by high Vce or Ic. The switching transistor shouldn’t go into breakdown.

Base current is not a problem, it is limited by R to 4. Seeing that your 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. It is off the chart, it is a bad sign for this situation. BC hFE from to It depends on your batch.

Adding schematic to show what I mean: What could cause transistor to overheat?