The HMA121AR2V is a 4-pin mini-flat package optocoupler consisting of a gallium arsenide infrared LED driving a silicon phototransistor, with a 2.54 mm lead pitch. It features a DC current transfer ratio (CTR) in the range of 100-300% at I_F = 5 mA and V_CE = 5 V, and a collector-emitter voltage rating of 80 V. The device supports creepage and clearance of at least 5 mm and is certified to UL, CSA, BSI, and VDE standards. It operates from -40°C to +100°C and is rated for a maximum reflow temperature of 230°C for 30 seconds. The part is available in tape and reel packaging with 2500 units per reel and includes VDE approval.
OPTOISO 3.75KV TRANSISTOR 4SMD / Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R Product overview: HMA121AR2V 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-HMA121AR2V can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-HMA121AR2V |
| Product Name | 3.75KV Bipolar Transistor |
| Package Type | Reel package |