The SFH628A-4 is a DIP-4 packaged optocoupler with a GaAs infrared LED and silicon phototransistor, designed for signal transmission between electrically isolated circuits. It features an isolation voltage of 4420 Vrms, a collector-emitter voltage rating of 55 V, and a current transfer ratio ranging from 160% to 500% at 1 mA forward current and 0.5 V collector-emitter voltage. The device complies with UL, cUL, BSI, FIMKO, and CQC agency approvals. Creepage and clearance distances exceed 8 mm when configured with option 6, supporting reinforced insulation for 400 Vrms operation. The part has a typical collector-emitter saturation voltage of 0.4 V with 1.25 mA collector current and 1 mA forward current, and switching times of 6 μs turn-on and 5.5 μs turn-off under specified test conditions.
AC Input Transistor Output Optocoupler, 5.3kV Isolation, DIP-4 Product overview: SFH628A-4 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, DIP. Search-friendly keywords include transistor, BJT, switching, amplification, 5.3kV, DIP, 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-4 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH628A-4 |
| Product Name | 5.3kV DIP Bipolar Transistor |
| IC(max) | 100 milliamps |
