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ID = 52851
United States of America (USA)
Brand: Common type USA tube/semicond.
Tube type:  IC - Integrated Circuit   Universal 
Identical to H11A1
Similar Tubes
Normally replaceable-slightly different:
  4N25 ; 4N35 ; 4N36

Base SPECIAL TUBEBASE in general
Description General purpose Opto-Coupler: GaAS-IR-emitting diode + phototransistor.

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
8 x 7 x 8 mm / 0.31 x 0.28 x 0.31 inch
Weight 1 g / 0.04 oz
Information source - - Manufacturers Literature   Fairchild/Infineon

H11A1: Infineon
Günther Stabe † 19.8.20

h11a1_s.png H11A1: Infineon
Günther Stabe † 19.8.20

Usage in Models 1= 1981?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of



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