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Part Manufacturer: Fairchild Semiconductor

Part Description: HMHA2801X.fm

Part Details:

HMHAA280, April 2006 HMHAA280, HMHA2801 Series, HMHA281 HMHA2801 Series, Half Pitch Mini-Flat Package 4-Pin Optocouplers Features Description Compact 4-pin package (2.4mm maximum standoff The HMHA281, HMHA2801 Series consists of a gallium height) arsenide infrared emitting diode driving a silicon pho- Half pitch leads for optimum board space savings totransistor in a compact 4-pin mini-flat package. The Current Transfer Ratio in selected groups lead pitch is 1.27mm. HMHA281 Half Pitc HMHA2801: 80­600% HMHA2801A: 80­160% The HMHAA280 series consists of two gallium arsenide HMHA2801B: 50­150% HMHA2801C: 50­100% infrared emitting diodes, connected in inverse parallel, HMHA281: 50­600% HMHAA280: 50­600% driving a single silicon phototransistor in a compact 4-pin Available in tape and reel quantities of 500 and 2500 mini-flat package. The lead pitch is 1.27mm. 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 h Mini-Flat P HMHAA280 AC line monitor Unknown polarity DC sensor Telephone line receiver HMHA281, HMHA2801 Series a Digital logic inputs ck Microprocessor inputs ag Power supply monitor e 4-Pin Optocoupler Twisted pair line receiver Telephone line receiver Package Dimensions PIN 1 1 4 COLLECTOR 0.050 (1.27) s 0.020 (0.51)

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