The SFH628A-3 is a DIP-4 optocoupler with a GaAs infrared emitter and silicon phototransistor output, designed for signal transmission between electrically isolated circuits. It offers a current transfer ratio of 100% to 320% at 1 mA forward current and 0.5 V collector-emitter voltage, with a collector-emitter voltage rating of 55 V. The device achieves a maximum isolation voltage of 4420 V RMS and has creepage and clearance distances of at least 7 mm. It complies with UL, cUL, BSI, FIMKO, and CQC safety approvals, and meets IEC 60950 for reinforced insulation. The package has a lead spacing of 2.54 mm and operates within an ambient temperature range of -55 °C to +100 °C.
AC Input Transistor Output Optocoupler, 5.3kV Isolation, DIP Product overview: SFH628A-3 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-3 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH628A-3 |
| Product Name | 5.3kV DIP Bipolar Transistor |
| IC(max) | 100 milliamps |