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DESCRIPTION

The HMHA281, HMHA2801 Series consists of a gallium arsenide infrared emitting diode driving a silicon phototransistor in a compact 4-pin mini-flat package. The lead pitch is 1.27 mm.

The HMHAA280 series consists of two gallium arsenide infrared emitting diodes, connected in inverse

parallel, driving a single silicon phototransistor in a compact 4-pin mini-flat package. The lead pitch is 1.27mm.

FEATURES

? Compact 4-pin package(2.4 mm maximum standoff height)

? Half pitch leads for optimum board space savings

? Current Transfer Ratio in selected groups

HMHA2801: 80-600

HMHA2801A: 80-160

HMHA2801B: 50-150

HMHA2801C: 50-100

HMHA281: 50-600

HMHAA280: 50-600

? Available in tape and reel quantities of 500 and 2500

? Applicable to Infrared Ray reflow (230¡ãC Max, 30 seconds)

? BSI (File #8611/8612), CSA (File #1201524), UL (File #E90700) and VDE (File #136480) certified

APPLICATIONS

HMHAA280

? AC line monitor

? Unknown polarity DC sensor

? Telephone line receiver

HMHA281, HMHA2801 Series

? Digital logic inputs

? Microprocessor inputs

? Power supply monitor

? Twisted pair line receiver

? Telephone line receiver