PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 P.
Fairchild Semiconductor
H21B2 - PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH
PHOTODARLINGTON OPTICAL INTERRUPTER SWITCH H21B1 PACKAGE DIMENSIONS 0.972 (24.7) 0.957 (24.3) H21B2 H21B3 0.472 (12.0) 0.457 (11.6) C L Ø 0.133 (3.
