TLP321-4GB

Transistor, Photovoltaic Output Optoisolators Overview

The TLP321-4GB is a quad-channel transistor-output optoisolator manufactured by Isocom Components. It features four independent channels within a single 16-pin DIP package, providing high-density isolation for complex circuit designs. The device offers a rated isolation voltage of 5300Vrms and supports a maximum forward input current of 50mA per channel. Current transfer ratio specifications include a minimum value of 100% at 5mA input. Typical switching characteristics consist of a rise time of approximately 2μs and a fall time of 3μs. The component operates reliably across an extended temperature range from -30°C to 100°C, ensuring stability in demanding industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel architecture enables simultaneous signal isolation for multiple lines within a compact footprint
• High dielectric strength provides robust electrical separation between input and output circuits
• Standardized pinout facilitates direct replacement in existing multi-channel isolation applications

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-line signal isolation
• Power supply units with isolated feedback loops
• Communication interfaces needing galvanic separation
• Automated testing equipment with multiple sensor inputs

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'GB' against the manufacturer's latest datasheet to confirm package type and compliance status. Ensure that the required isolation voltage and current transfer ratio meet the target application's safety standards. Confirm availability of the 16-pin DIP configuration as alternative packages may exist within the same series family.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a single package to reduce board space. Consider the 5300Vrms isolation rating for high-voltage noise immunity. Evaluate the 100% minimum current transfer ratio for reliable logic level transmission. Verify thermal management requirements given the 100°C maximum operating temperature limit.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP321 series of transistor-output optocouplers. It serves as a multi-channel variant designed for applications requiring several isolated signals. The device complements single-channel options by consolidating four isolation barriers into one standard dual-in-line package, streamlining assembly for dense electronic designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other quad-channel transistor optocouplers offering similar 5300Vrms isolation and 16-pin DIP packaging. Verify pin compatibility and current transfer ratio specifications before substitution. Check for equivalent UL or VDE certifications if regulatory compliance is mandatory for the end product.