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  1. G

    Electrical Over Stress - Looking your assistance to resolve the EOS issue in Automotive ECU

    Dear Friends, I am working in an Electronics Manufacturer service (EMS) and we do PCB assemblies for Automotive products (ABS). We are getting many field failures due to components burnt issue. Mostly like diodes, ASIC, MCU and FET components are getting damaged/burning in the field. Whenever...
  2. N

    Li-Ion Battery datasheet

    can someone help me read battery datasheet I really need it so bad, please.
  3. sr13579

    How to find out if UJT 2N2646 is original or not?

    I bought two UJT (2N2646) before yesterday. I tried to make an oscillator but it was not working. There was a guy from FB who said it could be a duplicate (not original) one. It must be tested. How should I test if it works or not. I googled some and found about diode and resister testing. But...
  4. Sinedup

    MIDI-Keyboard scanner - error in supply / HF decoupling circuit?

    Common +5V, common ground, decouplers between? Hi all. In a distributor's catalogue selling the 510 Scanner IC, (touch-sensitive MIDI), a simplified schematic of a generic (no brand) keyboard controller is added. Looking at the way the miniature circuit is drawn, it appears that all 20x 0.1uF...
  5. N

    Powered wheelchair motor. How to make it run?

    I have two 24V dc motors used in powered wheelchair. Not sure how to do connections to it. Please help. I have attached few pics of the motor and its extension. This is a part of a project to redesign a powered wheelchair. To start with the project I need to check, what all components work. For...

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