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
