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Hi everyone,
What is the difference between ic 2282m and 2282d ??

Thanks.

Please give the entire part number. The prefix letters are very important.
I couldn't find an LM2282 nor a TDA2282.

Maybe your numbers are mixed up and you are talking about a TDA2822:
1) The datasheet for a TDA2822 shows it in a through-holes 16 pins powerDIP case. It can dissipate 1.25W at an ambient temperature of 50 degrees C.
2) The datasheet for a TDA2822M shows it in a through-holes 8-pins miniDIP case. It can dissipate 1.0W at an ambient temperature of 50 degrees C.
3) The datasheet for the TDA2822D shows it in a tiny surface-mount SO8 case. It can dissipate only 0.5W at an ambient temperature of 50 degrees C.