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25LC128
LM2577N-1 (2)LM2577N (4)LM2577 (35)LM257 (444)LM25 (1115)LM2 (11)
Hotenda

LM2577N-12/NOPB

Boost, Flyback, Forward Converter Switching Regulator IC Positive or Negative Fixed 12V 1 Output 3A (Switch) 16-DIP (0.300", 7.62mm)
Hotenda

LM2577N-15/NOPB

Boost, Flyback, Forward Converter Switching Regulator IC Positive or Negative Fixed 15V 1 Output 3A (Switch) 16-DIP (0.300", 7.62mm)
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