TLP321-2

Transistor, Photovoltaic Output Optoisolators Overview

The Isocom TLP321-2 is a dual-channel transistor output optocoupler featuring a gallium arsenide infrared emitting diode optically coupled to a photo-transistor. It utilizes an eight-lead plastic DIP package (11-10C4). Key electrical specifications include a minimum collector-emitter voltage of 80V, a typical current transfer ratio of 100%, and a maximum forward current of 50mA. The device supports an isolation voltage of 5000Vrms and operates within a temperature range of -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual isolated channels for independent signal transmission
• High collector-emitter breakdown voltage capability
• UL recognized component for safety compliance

Transistor, Photovoltaic Output Optoisolators Applications

• Programmable controllers
• DC-output modules
• Telecommunication equipment

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official documentation, as variations may exist regarding insulation standards or packaging configurations. Confirm that the procurement source provides valid UL recognition data consistent with file number E67349. Ensure the component meets the required operating temperature range for the intended application environment before finalizing acquisition.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required with high voltage tolerance. The 80V collector-emitter rating suits applications exceeding standard low-voltage optocoupler limits. Verify compatibility with the target circuit's current transfer ratio requirements, noting the typical 100% gain. Ensure the DIP-8 package fits the available PCB footprint constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP321 series manufactured by Toshiba Semiconductor and Storage, distributed by Isocom Components. The series includes single, dual, and quad channel variants in plastic DIP packages. These devices are designed for general-purpose isolation in industrial and communication systems, offering reliable performance between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include other dual-channel transistor output optocouplers with similar 80V Vceo and DIP-8 packaging. Verify pinout compatibility and current transfer ratio specifications before substitution. Cross-reference UL file numbers if regulatory compliance is mandatory for the end product.