4N55/883B

Transistor, Photovoltaic Output Optoisolators Overview

The Broadcom Limited 4N55/883B is a high-speed optocoupler featuring two independent channels within a single package. It utilizes a phototransistor output configuration to provide electrical isolation between input and circuit sections. The device supports a data rate of 400 kb/s and offers an insulation voltage rating of 1500 Vrms. Key electrical parameters include a forward current of 5 mA, a forward voltage of 1.55 V, and a maximum collector current of 8 mA. The unit operates reliably across a temperature range from -55°C to +125°C with a power dissipation capacity of 200 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides dual-channel signal isolation for compact circuit designs
• Ensures robust electrical separation with high insulation voltage capability
• Supports high-speed data transmission for digital communication interfaces

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal interfacing in microprocessor-based circuits
• Power supply feedback loops for noise immunity

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official datasheets to confirm pinout compatibility and packaging variations. Ensure that the selected variant meets the required thermal management specifications for the intended operating environment. Cross-reference manufacturer part numbers with distributor listings to confirm authenticity and traceability before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is necessary within a constrained footprint. Evaluate the 400 kb/s data rate requirement against system timing constraints. Confirm that the 1500 Vrms isolation rating satisfies safety standards for the application voltage levels. Consider the wide operating temperature range for environments subject to extreme thermal fluctuations.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the 4N55 series of high-speed optocouplers manufactured by Broadcom Limited. The series is designed for applications demanding reliable signal transfer across isolated boundaries. The 4N55/883B variant specifically addresses needs for dual-channel functionality within a standard DIP package format.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers include 4N55, 4N55#200, 4N55/883B#100, 4N55/883B#200, 4N55TXV, and 4N55TXVB.