The HMA121AR1V is a 4-pin mini-flat package optocoupler consisting of a gallium arsenide infrared emitting diode driving a silicon phototransistor, with a 2.54 mm lead pitch. It features a DC current transfer ratio (CTR) range of 100-300% at I_F = 5 mA and V_CE = 5 V, a collector-emitter voltage rating of 80 V, and isolation voltage of 3750 VRMS. The device meets UL, CSA, BSI, and VDE certifications, with creepage and clearance each ≥5 mm. It supports infrared reflow soldering up to 230°C for 30 seconds and is available in tape and reel packaging. Operating temperature ranges from -40°C to +100°C.
OPTOISO 3.75KV TRANSISTOR 4SMD Product overview: HMA121AR1V from ON Semiconductor 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 3.75KV. Search-friendly keywords include transistor, BJT, switching, amplification, 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-HMA121AR1V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMA121AR1V |
| Product Name | 3.75KV Bipolar Transistor |
| Package Type | Reel - TR |
