The material must stop burning within 10 seconds after the flame is removed.
Most PCBs feature a backward "UR" logo followed by an alphanumeric string starting with the letter , such as E123456 .
If you are troubleshooting a specific broken device, tell me the you are working on, or list the other numbers printed on the board . I can help you track down the correct schematic or find the specific component datasheets you need. Share public link
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Blocked Drains Ipswich