onsemi HMHA281
The HMHA281 and HMHA2801 series devices consist 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.DESCRIPTION
The lead pitch is 1.27 mm.FEATURES
● Compact 4−Pin Package ♦ 2.4 mm Maximum Standoff Height ♦ Half−Pitch Leads for Optimum Board Space Savings● Current Transfer Ratio: ♦ HMHA281: 50% to 600% ♦ HMHA2801: 80% to 600% ♦ HMHA2801A: 80% to 160% ♦ HMHA2801B: 50% to 150% ♦ HMHA2801C: 50% to 100%
● Safety and Regulatory Approvals: ♦ UL1577, 3.750 VACRMS for 1 Minute ♦ DIN−EN/IEC60747−5−5, 565 V Peak Working Insulation Voltage
● These Devices are Pb−Free and are RoHS Compliant
APPLICATIONS
● Digital Logic Inputs● Microprocessor Inputs
● Power Supply Monitor
● Twisted Pair Line Receiver
● Telephone Line Receiver ANODE 1 4 COLLECTOR CATHODE 2 3 EMITTER Phototransistor Optocoupler MPF4 CASE 100AL MARKING DIAGRAM ON 281 VXYYM1 ON = onsemi Logo 281 = Device Number V = DIN EN/IEC60747−5−5 Option (only appears on component ordered with this option) X = One−Digit Year Code, e.g., ”5” YY = Digit Work Week, Ranging from ”01” to ”53” M1 = Assembly Package Code ORDERING INFORMATION See detailed ordering and shipping information on page 7 of this data sheet. © Semiconductor Components Industries, LLC, 2011 1 June, 2023 − Rev.