The HMHA2801 series is a 4-pin half-pitch mini-flat phototransistor optocoupler consisting of a gallium arsenide infrared LED driving a silicon phototransistor, with a maximum standoff height of 2.4 mm and lead pitch of 1.27 mm. It meets UL1577 and DIN-EN/IEC60747-5-5 standards, providing a 565 Vpeak working insulation voltage and 3.75 kVAC RMS isolation for one minute. The device has a current transfer ratio of 80% to 160% for the HMHA2801A variant, operates from -55°C to +100°C, and is RoHS compliant. Total device power dissipation is 210 mW at 25°C.
OPTOISO 3.75KV TRANS 4-MINI-FLAT Product overview: HMHA2801AR1 from onsemi is a Bipolar Transistor for signal amplification, switching, driver stages, discrete power control, and general electronic circuit design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 3.75KV. Search-friendly keywords include transistor, BJT, switching, amplification, 3.75KV, Bipolar Transistor, Transistor, Photovoltaic Output Optoisolators. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 903-HMHA2801AR1 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMHA2801AR1 |
| Product Name | 3.75KV Bipolar Transistor |
| IC(max) | 50 milliamps |
