2SC Transistor Datasheet pdf, 2SC Equivalent. Parameters and Characteristics. 2SC For Switching Regulators. Features. High breakdown voltage ( VCBOV). Fast switching speed. Wide ASO.. Specifications. Parameter. 2SC Rev.G May DATA SHEET 1 / 6. TO 塑封封装NPN 半导体三极管。Silicon NPN transistor in a TO Plastic Package .

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But this SMPS is not datashee on. In the Red circle of the Transformer will be V but it is showing V. Why there V is not coming there? Why the SMPS is not turning on? What’s the problem there?? I have attached the schematic below. Please help me to figure this out With 0,4V on the base of T1 it’s off and it’s perfectly normal that you have V where you expect 1kV.

Look at those three transistors data sheet – they all have Vce is V.

2SC Datasheet PDF –

I think this volt is generated by the Transformer not by the Transistor. I think it is such kind of design. I have Replaced it with MJE And this MJE collector also cross more than V!!! So, I think this volt is generated by the transformer. You can see it easily in your mobile charger. I have no choice of using because in my market – it is impossible to find 2SC to And I have Darasheet many Power Supply with this You said Base is 0. But in some good Power supply 0.

  ASTM A967 - 05E2 PDF

In both kind or PSU works perfectly. I have increased the Base voltage to 0. That means a good PSU need 0. OK, you know more than I about this. No, I really mean it. You have practical experience of this, I have not.

C3150 2SC3150 transistor switching power supply high voltage electronic components Accessories

Nothing wrong with your english. At least as far as I can determine Yes, the high voltage is generated by the inductance of the transformer when the transistor switches off.

Thanks for your helpful tips. Let me few hours to check with it. I will inform the result few hours later. No dudeIt does not work. The same Result with 2SC Then I thought that – it is the problem of Inductance of Transformer. So, I changed the Transformer also. What should I do now??

Sorry but I’m completely clueless. No wonder the standby power measured at the plug is about 10W. I wish you 2ssc3150 with repairing the power supplies.

It sounds very bizarre that you are expecting V or more across a transistor rated for V. The transistor should not be able to withstand that voltage. Do you know what the turns ratio for the transformer is?

NPN Triple Diffused Planar Silicon Transistor

How are you measuring the voltage on that node? The problem may be that the transformer is dead, or the output is short circuited. Or T1 is dead or not being driven properly. ATX psu help – i just need a A 12V psu 7. Part and Inventory Search.


AF modulator in Transmitter what is the A? Losses in inductor of a boost converter 8. Choosing IC with EN signal 1. Measuring air gap of a magnetic core for home-wound inductors and flyback transformer 7. Hierarchical block is unconnected 3. Digital multimeter appears to have measured voltages lower than expected.


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PV charger battery circuit 4. How reliable is it? Equating complex number interms of the other 6. CMOS Technology file 1.

ModelSim – How to force a struct type written in SystemVerilog? Input port and input output port declaration in top module 2. PNP transistor not working 2. Distorted Sine output from Transformer 8. Analog Layout Finger Size 4.

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