The FOD2743B is an optically isolated error amplifier with a 2.5V reference voltage and a current transfer ratio of 50% to 100% at 1mA, designed for use in isolated AC to DC power supplies and DC/DC converters. It features 5,000V RMS isolation and comes in an 8-pin DIP package with 0.4-inch lead spacing. The reference voltage tolerance is 1%, and it operates over a temperature range of -40°C to +85°C. The device includes a phototransistor output and compensation pin for loop stabilization.
1-Ch Phototransistor Optocoupler, 5kV Isolation, 50mA Output Product overview: FOD2743B from onsemi 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 5kV, 50mA. Search-friendly keywords include transistor, BJT, switching, amplification, 5kV, 50mA, 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-FOD2743B can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-FOD2743B |
| Product Name | 5kV 50mA Bipolar Transistor |
| IC(max) | 50 milliamps |