Features

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

■ Half pitch leads for optimum board space savings

■ Current Transfer Ratio: 50–600%

■ Available in tape and reel quantities of 2500

■ CSA (File #1201524), UL (File #E90700) and VDE (File #136480) certified

Applications

■ AC line monitor

■ Unknown polarity DC sensor

■ Telephone line receiver

Description

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.