4-PIN PHOTOTRANSISTOR
OPTOCOUPLERS
H11AA814 SERIES
PACKAGE
H11A817 SERIES
H11AA814 SCHEMATIC
1
4 COLLECTOR
4
2
3 EMITTER
1
DESCRIPTION
The H11AA814 Series consists of two gallium arsenide infrared emitting diodes,
connected in inverse parallel, driving a single silicon phototransistor in a 4-pin
dual in-line package.
The H11A817 Series consists of a gallium arsenide infrared emitting diode
driving a silicon phototransistor in a 4-pin dual in-line package.
H11A817 SCHEMATIC
ANODE 1
4 COLLECTOR
FEATURES
鈥?Compact 4-pin package
鈥?Current transfer ratio in selected groups:
H11AA814: 20-300% H11A817: 50-600%
H11AA814A: 50-150% H11A817A: 80-160%
H11A817B: 130-260%
H11A817C: 200-400%
H11A817D: 300-600%
CATHODE 2
3 EMITTER
APPLICATIONS
H11AA814 Series
鈥?AC line monitor
鈥?Unknown polarity DC sensor
鈥?Telephone line interface
H11A817 Series
鈥?Power supply regulators
鈥?Digital logic inputs
鈥?Microprocessor inputs
漏 2002 Fairchild Semiconductor Corporation
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5/30/02