The HMA121CR3V is a 4-pin mini-flat package optocoupler consisting of a gallium arsenide infrared LED driving a silicon phototransistor, with a lead pitch of 2.54 mm and a maximum standoff height of 2.4 mm. It has a collector-emitter voltage rating of 80 V and a continuous collector current of 80 mA. The DC current transfer ratio is specified between 100% and 200% at I_F = 5 mA and V_CE = 5 V. The device meets UL, CSA, BSI, and VDE safety certifications with an isolation voltage of 3750 V_RMS. It supports infrared reflow soldering up to 230°C for 30 seconds and has a creepage and clearance of at least 5 mm. The device is available in tape and reel packaging with 180° rotated units.
1-CH DC Optocoupler, 80V VCEO, 80mA, 200% CTR, SMD Product overview: HMA121CR3V 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. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 80V, 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-HMA121CR3V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMA121CR3V |
| Product Name | SMD 80V 80mA Bipolar Transistor |
| IC(max) | 80 milliamps |
