The SFH618A-4 is a DIP-4 optocoupler with a GaAs infrared diode emitter and silicon phototransistor detector, designed for signal transmission between electrically isolated circuits. It features a current transfer ratio of 160% to 320% at 1 mA forward current and 0.5 V collector-emitter voltage, a collector-emitter voltage rating of 55 V, and an isolation test voltage of 5300 V RMS. The device has a coupling capacitance of 0.25 pF and is end-stackable with 2.54 mm lead spacing. It meets UL, cUL, BSI, and FIMKO safety approvals. The collector-emitter saturation voltage is 0.25 V to 0.4 V at 0.8 mA collector current and 1 mA forward current.
5.3kV Optocoupler, 1-Ch, 55V Vceo, 320% CTR, PDIP Product overview: SFH618A-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, 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-SFH618A-4 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH618A-4 |
| Product Name | 5.3kV 55V Bipolar Transistor |
| IC(max) | 100 milliamps |
