4N45-000E

Transistor, Photovoltaic Output Optoisolators Overview

The Broadcom Limited 4N45-000E is a high-speed optocoupler featuring a single photodarlington output channel housed in a PDIP-6 through-hole package. It provides an insulation voltage of 2500 Vrms and supports data rates up to 100 kb/s. Key electrical parameters include a forward current of 10 mA, a forward voltage of 1.2 V, and a reverse voltage rating of 6 V. The device delivers a current transfer ratio of 1200%, with a maximum output current of 60 mA and a power dissipation capacity of 250 mW. It operates within a temperature range of -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Photodarlington output configuration for high gain applications
• High-speed operation supporting 100 kb/s data transmission
• Robust isolation rated at 2500 Vrms

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Power supply feedback loops
• Signal interfacing between microcontrollers and high-voltage circuits

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status via official documentation. Check for End-of-Life (EOL) notifications as the product lifecycle status indicates potential obsolescence. Ensure packaging specifications match project requirements before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high current transfer ratio and fast switching speeds are required in a standard DIP package. Consider the 2500 Vrms isolation barrier for safety-critical interfaces. Evaluate thermal management needs given the 250 mW power dissipation limit. Compare against alternative phototransistor couplers if lower speed or different pinout configurations are acceptable.

Transistor, Photovoltaic Output Optoisolators Part Context

The 4N45-000E belongs to the 4N45 series of high-speed optocouplers manufactured by Broadcom Limited. This series is designed for applications demanding rapid signal transmission across isolated boundaries. The component utilizes LED-to-photodarlington technology to achieve superior performance compared to standard phototransistor devices.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.