Zener diode Identification needed


Here are the specs for the input power.

  • Power Supply: DC6.5-25.2V/USB5V
  • Power Consumption: 720mAat12V
    I plugged in 8v backwards and smoked it

Hello, The part might be MMSZ4681 from Vishay.

, Datasheet - mmsz4681.pdf (vishay.com). Please see possible options from all similar manufacturers for the part here https://www.digikey.com/short/jnq929bf