The HMAA2705 is a 4-pin mini-flat package optocoupler consisting of two inverse-parallel gallium arsenide infrared emitting diodes driving a single silicon phototransistor, designed for AC line monitoring, unknown polarity DC sensing, and telephone line reception. It has a 2.54 mm lead pitch and a maximum standoff height of 2.4 mm. The device features a current transfer ratio of 50-300%, a collector-emitter voltage rating of 40 V, an isolation voltage of 3750 Vrms, and operates from -40°C to +100°C. It meets UL, CSA, BSI, and VDE safety certifications, and is rated for reflow soldering up to 230°C for 30 seconds. The HMAA2705R3V variant includes 180° rotated tape and reel packaging with VDE approval.
Optocoupler AC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R Product overview: HMAA2705R3V 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-HMAA2705R3V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMAA2705R3V |
| Product Name | Bipolar Transistor |
| IC(max) | 80 milliamps |
