The SFH628A-2 is a DIP-4 optocoupler with a GaAs infrared LED and silicon phototransistor, designed for signal transmission between electrically isolated circuits. It features an isolation voltage of 4420 V RMS, a collector-emitter voltage rating of 55 V, and a current transfer ratio between 63% and 200% at I_F = 1 mA and V_CE = 0.5 V. The device complies with UL, cUL, BSI, FIMKO, and CQC safety approvals, and achieves a creepage and clearance distance of >7 mm. It meets IEC 60950 for reinforced insulation up to 400 V RMS. Operating temperature ranges from -55 °C to +100 °C.
AC Input Optocoupler, 5.3kV Isolation, 55V VCEO, PDIP Product overview: SFH628A-2 from Vishay 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 5.3kV, 55V. Search-friendly keywords include transistor, BJT, switching, amplification, 5.3kV, 55V, 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-SFH628A-2 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH628A-2 |
| Product Name | 5.3kV 55V Bipolar Transistor |
| IC(max) | 100 milliamps |