The HMA124 is a 4-pin mini-flat package optocoupler consisting of a gallium arsenide infrared emitting diode driving a silicon phototransistor, designed for applications such as AC line monitoring, digital logic inputs, and power supply monitoring. It has a lead pitch of 2.54 mm and a maximum standoff height of 2.4 mm. The device supports a collector-emitter voltage of 80 V, a continuous collector current of 80 mA, and a steady-state isolation voltage of 3750 VRMS. It is certified by BSI, CSA, UL, and VDE, and meets infrared reflow soldering requirements up to 230°C for 30 seconds. The current transfer ratio is a minimum of 100% at 5 mA forward current and 5 V collector-emitter voltage.
1-CH DC Optocoupler, 80V VCEO, 80mA Ic, 3.75kV Isolation, SMD Product overview: HMA124 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, 80V, 80mA, 3.75kV. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 80V, 80mA, 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-HMA124 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMA124 |
| Product Name | SMD 80V 80mA 3.75kV Bipolar Transistor |
| IC(max) | 80 milliamps |
