The SFH620AA is an optocoupler with a GaAs infrared emitter and silicon phototransistor detector in a DIP-4 package, designed for signal transmission between electrically isolated circuits. It features a 5300 V RMS isolation test voltage, a 70 V collector-emitter voltage rating, and a current transfer ratio of 50 to 600 % at 5 mA forward current. The device has a 2.54 mm lead spacing, complies with IEC 60950 for reinforced insulation up to 400 V RMS, and meets UL, cUL, BSI, FIMKO, and CQC safety standards. Switching times are 2 μs turn-on and 25 μs turn-off with a 1.9 kΩ load. Thermal resistance from junction to ambient is 750 K/W for the input and 500 K/W for the output. The package dimensions are 7.62 mm × 6.35 mm with a body height of 3.81 mm.
AC Input Optocoupler, 5.3kV Isolation, 600% CTR, 70V VCEO, PDIP Product overview: SFH620AA 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, 70V. Search-friendly keywords include transistor, BJT, switching, amplification, 5.3kV, 70V, 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-SFH620AA can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH620AA |
| Product Name | 5.3kV 70V Bipolar Transistor |
| IC(max) | 100 milliamps |
