The SFH628A-3X017T is a surface-mount optocoupler with a GaAs infrared LED and silicon phototransistor, designed for signal transmission between electrically isolated circuits. It features a DIP-4 SMD package measuring 10.16 mm by 9.27 mm with a lead spacing of 7.62 mm. The device offers a collector-emitter voltage rating of 55 V, a current transfer ratio of 100 to 320 % at 1 mA forward current, and an isolation voltage of 4420 Vrms. It complies with UL, cUL, BSI, FIMKO, and CQC approvals, and includes reinforced insulation per IEC 60950 for 400 Vrms operation. The part has low coupling capacitance, high common mode rejection, and thermal resistance of 500 K/W.
1-CH AC-IN Optocoupler, 5.3kV Isolation, 55V VCEO, 320% CTR, SMD Product overview: SFH628A-3X017T 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 SMD, 5.3kV, 55V. Search-friendly keywords include transistor, BJT, switching, amplification, SMD, 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-SFH628A-3X017T can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-SFH628A-3X017T |
| Product Name | SMD 5.3kV 55V Bipolar Transistor |
| IC(max) | 100 milliamps |