The HMHA2801 series is a 4-pin half-pitch mini-flat phototransistor optocoupler with a gallium arsenide infrared LED driving a silicon phototransistor, designed for digital logic and microprocessor isolation. The device has a maximum standoff height of 2.4 mm and a lead pitch of 1.27 mm. It features a current transfer ratio of 50% to 100% for the HMHA2801C variant, a maximum working insulation voltage of 565 Vpeak, and meets UL1577 and DIN-EN/IEC60747-5-5 safety standards with 3.750 VAC RMS isolation for 1 minute. The package is Pb-free and RoHS compliant, with an operating temperature range of -55°C to +100°C and a maximum collector current of 50 mA.
Transistor Output Optocouplers Optocoupler Phototransistor Product overview: HMHA2801CR2 from Fairchild (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 key electrical ratings, package details, and application requirements. Search-friendly keywords include transistor, BJT, switching, amplification, 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-HMHA2801CR2 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMHA2801CR2 |
| Product Name | Bipolar Transistor |
| Package Type | Reel |