25LC128
H11B1M (2)H11B1 (28)H11B (95)H11 (848)

Fairchild Semiconductor

H11B1M

Optoisolator Darlington with Base Output 4170Vrms 1 Channel 6-DIP
Everlight Electronics

H11B1M-V

Optoisolator Darlington with Base Output 5000Vrms 1 Channel 6-DIP

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