The SFH619A is a photodarlington optocoupler with a GaAs infrared emitter and silicon photodarlington detector in a standard plastic DIP-4 package, designed for signal transmission between electrically isolated circuits. It features a collector-emitter breakdown voltage of 300 V, an isolation voltage of 5000 V RMS, and a current transfer ratio of at least 1000%. The device has a coupling capacitance of 0.6 pF and a common mode transient immunity rated for industrial applications. The package has a creepage and clearance distance of at least 7 mm and an insulation thickness of at least 0.4 mm. It is certified by UL, cUL, and CQC, and meets IEC 68 part 1 climatic classification 55/115/21 and IEC 60747-5-5 safety standards. Operating temperature ranges from -55 °C to 100 °C.
1-Ch Darlington Optocoupler, 5.3kV Isolation, 300V VCEO, PDIP Product overview: SFH619A 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, 300V. Search-friendly keywords include transistor, BJT, switching, amplification, 5.3kV, 300V, 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-SFH619A can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH619A |
| Product Name | 5.3kV 300V Bipolar Transistor |
| IC(max) | 125 milliamps |