The HMA121 series is a 4-pin mini-flat package optocoupler consisting of a gallium arsenide infrared emitting diode driving a silicon phototransistor, with a lead pitch of 2.54 mm and a maximum standoff height of 2.4 mm. It provides a current transfer ratio (CTR) ranging from 100% to 200% for the HMA121C variant, with a collector-emitter voltage rating of 80 V and a continuous collector current of 80 mA. The device supports an operating temperature range from -40°C to +100°C and offers 3750 Vrms isolation. It is certified by UL, CSA, BSI, and VDE, with creepage and clearance of at least 5 mm. The package is suitable for reflow soldering up to 230°C for 30 seconds.
OPTOISO 3.75KV TRANSISTOR 4SMD / Optoisolator Transistor Output 3750Vrms 1 Channel 4-SMD Product overview: HMA121CR4V 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-HMA121CR4V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Insulated Gate Bipolar Transistors (IGBT) |
| Product Number | 297-HMA121CR4V |
| Product Name | SMD 3.75KV IGBT Transistor |
| TJ | -40 to 100 C (-40 to 212 F) |
