Help identifying diode - ST Microelectronics marking EUV C730

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  • dennis_elx33
    NO BODY MARKING Diode
    by dennis_elx33
    Hello Everyone,
    I have 1 diode on a circuit that I suspected to be faulty because the forward and reverse bias has a voltage drop reading.
    While compared to the reading of another diode from the next channel it won't read at reverse bias.
    Now the problem is; it does not have any body marking.
    So I tried to sketch the diagram and found out that it is connected to the base and collector of the C3632 transistor.
    What do you think is this diode?
    Can you please suggest what part number can i use to replace this faulty diode instead?

    Hoping that you...
    06-14-2024, 12:36 AM
  • repair-it
    Need help identifying this (double?) diode
    by repair-it
    I tried to locate online without any success but maybe someone else might have better luck. If it is a double diode - it's done - based on the reading I got in diode mode....
    07-14-2025, 10:25 AM
  • shade02751287
    Need help in identifying component, marking SEFUSE D5T4YB
    by shade02751287
    Hello.
    I need help in identifying a component. It appears to be 3 pin fuse, marking SEFUSE D5T4YB, but i cannot find any information about it. Taken out of DELL XCMRD 14.8V battery board.
    Thanks in advance.

    Edit: Got told its D6T, because there was still more gunk on it. Sorry for bother and thanks.
    01-31-2025, 12:58 AM
  • debidoobs
    Yamaha delay D1500, zener diode broken with no marking
    by debidoobs
    Hello,

    im actually trying to save a d1500 delay from yamaha. I found the service manual but schematic is missing and BOM list is a bit unclear as components listed have no reference linked to the pcbs... In my case, one zener diode was broken (114 code on the pcb in attached file) and couldn't be repaired : it was a zener type package. In the BOM list i found 3 reference on this board : 1S555 (can be replaced by 1N4148), RD4.7EB2 (approx 5v rectifier), RD7.5EB3 (approx 7v rectifier)...

    Actually the cathode goes to VCC of sram M5M5118P, without this diode missing, i have...
    04-24-2024, 09:01 AM
  • RetroComputingGrotto
    Need Help Identifying A Diode
    by RetroComputingGrotto
    I have an MSI 3PA1 monitor on my bench that wont power on. I have tested the 2 (what I believe to be Schottky Diodes) and both are shorted in both directions (a common faulty from what I can see on Google) but I'm not certain what the markings on the Diodes mean so I need some help in identifying which ones to order from Mouser please?





    I've done a search for 101C 5100C and all I can find are datasheets for 5100C which say they are 20-100V 5A Schottky Diodes but I'm not 100% sure if this is correct or not and what significance the 101C is.

    We...
    09-22-2025, 06:47 AM
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