The PC451 is a 4-pin mini-flat package photocoupler with an IRED optically coupled to a phototransistor, designed for signal isolation in telecommunication and modem circuits. It features a collector-emitter voltage of 350 V and an input-output isolation voltage of 3.75 kV rms. The current transfer ratio is a minimum of 40% at 5 mA input current. The device meets UL1577 double protection isolation standards and has a package resin rated UL 94 V-0. Operating temperature ranges from -25 to +100 °C. Package dimensions are 7.0 x 5.3 x 2.0 mm, with a mass of approximately 0.1 g.
OPTOISOLATOR 3.75KV TRANS 4SMD Product overview: PC451 from Sharp Microelectronics 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 3.75KV. Search-friendly keywords include transistor, BJT, switching, amplification, 3.75KV, 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-PC451 can be used for catalog matching and distributor lookup.
| ERSAELECTRONICS PTE. LTD. | |
|---|---|
| Product Category | Bipolar RF Transistors |
| Product Number | 903-PC451 |
| Product Name | 3.75KV Bipolar Transistor |
| Package Type | Tape & Reel (TR) |