The HMAA2705 is a 4-pin mini-flat package optocoupler featuring 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, 5 mm minimum creepage and clearance, and a 40 V collector-emitter voltage rating. The device supports continuous collector current up to 80 mA, operates from -40 to +100 °C, and withstands 3750 V RMS isolation voltage. It is certified to UL, CSA, BSI, and VDE standards, and is rated for reflow soldering up to 230 °C for 30 seconds. The current transfer ratio ranges from 50% to 300% with symmetry of 0.3 to 3.0 under specified conditions.
1-CH AC-IN Optocoupler, 40V VCEO, 80mA Output, SMD Product overview: HMAA2705R2V 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 SMD, 40V, 80mA. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 40V, 80mA, 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-HMAA2705R2V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMAA2705R2V |
| Product Name | SMD 40V 80mA Bipolar Transistor |
| IC(max) | 80 milliamps |