The HMA121CR1 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 has a current transfer ratio (CTR) in the range of 100-200% at I_F = 5 mA and V_CE = 5 V, and a collector-emitter breakdown voltage of 80 V. It supports a maximum operating temperature of 100°C and a storage temperature range of -40°C to +125°C. The part is certified by UL, CSA, BSI, and VDE, with a minimum creepage and clearance of 5 mm. It meets Infrared Reflow standards up to 230°C for 30 seconds. The 'R1' suffix indicates tape and reel packaging of 500 units.
OPTOISO 3.75KV TRANSISTOR 4SMD Product overview: HMA121CR1 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-HMA121CR1 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMA121CR1 |
| Product Name | 3.75KV Bipolar Transistor |
| Package Type | Reel - TR |
