25LC128
4N27M (2)4N27 (39)4N2 (223)

Fairchild Semiconductor

4N27M

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

4N27M-V

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

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