The HMA121 series is a 4-pin mini-flat package optocoupler with a gallium arsenide infrared emitter and silicon phototransistor, featuring a 2.54 mm lead pitch and a maximum standoff height of 2.4 mm. It supports a maximum collector-emitter voltage of 80 V, a continuous collector current of 80 mA, and an isolation voltage of 3750 VRMS. The current transfer ratio ranges from 50% to 600% depending on the grade. The device is certified by UL, CSA, BSI, and VDE, and meets creepage and clearance requirements of at least 5 mm. It is rated for operation from -40°C to +100°C and supports infrared reflow soldering up to 230°C for 30 seconds. The packaging variant R3V indicates tape and reel supply with 500 units and VDE approval, consistent with the series specifications.
OPTOISO 3.75KV TRANSISTOR 4SMD / Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD Product overview: HMA121R3V from ON Semiconductor is an IGBT Transistor for embedded electronics, industrial equipment, maintenance repair, OEM production, and component sourcing. 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, 3.75KV. Search-friendly keywords include IGBT Transistor, IGBT Modules, electronic component, datasheet, replacement part, SMD, 3.75KV. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 297-HMA121R3V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Insulated Gate Bipolar Transistors (IGBT) |
| Product Number | 297-HMA121R3V |
| Product Name | SMD 3.75KV IGBT Transistor |
| TJ | -40 to 100 C (-40 to 212 F) |
