HMHA2801AR2 Isolators

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1. Description

The HMHA281 and HMHA2801AR2 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.

2. Features

    1. Compact 4−Pin Package

        - 2.4 mm Maximum Standoff Height

        - Half−Pitch Leads for Optimum Board Space Savings

    2. Current Transfer Ratio:

        - HMHA281: 50% to 600%

        - HMHA2801: 80% to 600%

        - HMHA2801A: 80% to 160%

        - HMHA2801B: 130% to 260%

        - HMHA2801C: 200% to 400%

    3. Safety and Regulatory Approvals:

        - UL1577, 3.750 VACRMS for 1 Minute

        - DIN−EN/IEC60747−5−5, 565 V Peak Working Insulation Voltage

    4. These Devices are Pb−Free and are RoHS Compliant

3. Applications

    1. Digital Logic Inputs

    2. Microprocessor Inputs

    3. Power Supply Monitor

    4. Twisted Pair Line Receiver

    5. Telephone Line Receiver

4. product description