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°C 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