Description
HMHA281, HMHA2801 Series 4-Pin Half-Pitch Mini-Flat Phototransistor Optocouplers .
The HMHA281 and HMHA2801 series devices consist of a gallium
arsenide infrared emitting diode driving a silicon phototransistor in a compact 4.
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: 5
Applications
* Digital Logic Inputs
* Microprocessor Inputs
* Power Supply Monitor
* Twisted Pair Line Receiver
* Telephone Line Receiver
www. onsemi. com
ANODE 1
4 COLLECTOR
CATHODE 2
3 EMITTER
Phototransistor Optocoupler
MPF4 CASE 100AL
MARKING DIAGRAM
ON 281 VXYYM1
