The HMHAA280 series is an AC input optocoupler with two inverse-parallel gallium arsenide infrared LEDs driving a single silicon phototransistor in a 4-pin mini-flat package with 1.27mm lead pitch and a maximum standoff height of 2.4mm. It is certified for CSA, UL, and VDE safety standards, with a steady-state isolation voltage of 3750 VRMS. The device supports a current transfer ratio of 50-600% at ±5mA forward current and 5V collector-emitter voltage, and operates from -55°C to +100°C. It is available in tape and reel packaging with VDE-certified variants.
Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R Product overview: HMHAA280R3V 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 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-HMHAA280R3V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMHAA280R3V |
| Product Name | Bipolar Transistor |
| IC(max) | 50 milliamps |
