TLP621-4SMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The TLP621-4SMT&R is a high-density phototransistor optically coupled isolator manufactured by Isocom Components. It features four independent channels within a single surface-mount package, designed for efficient space utilization in compact circuit designs. The device utilizes infrared LEDs and NPN silicon photo transistors to provide electrical isolation between input and output circuits. Key electrical specifications include a minimum current transfer ratio of 50%, an isolation voltage of 5300Vrms, and a peak isolation voltage of 7500Vpk. The collector-emitter breakdown voltage (BVCEO) is specified at a minimum of 55V. The component is supplied in a tape and reel format for automated assembly processes.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent optocoupler channels into a single surface-mount package for high-density mounting applications
• Provides robust electrical isolation with a rated RMS voltage of 5300V and a peak voltage of 7500V
• Ensures reliable signal transmission through a minimum current transfer ratio of 50% and a BVCEO of 55V
• Utilizes NPN silicon photo transistors paired with infrared LEDs for standard DC signal isolation

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals and peripheral interface circuits
• Industrial system controllers and programmable logic controller inputs
• Measuring instruments requiring signal isolation
• Signal transmission between systems operating at different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix SMT&R confirms the tape and reel packaging configuration required for your automated production line. Ensure the procurement documentation explicitly references the Isocom Components 2004 LTD manufacturer designation to distinguish from other suppliers offering similar part numbers. Confirm that the received components match the TLP621-4 series specifications regarding channel count and electrical ratings before integration into final assemblies.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a design requires multiple isolated channels within a constrained board area, as the quad-channel configuration reduces footprint compared to discrete units. Consider the 5300Vrms isolation rating for applications demanding significant potential difference separation between control and load sides. The surface-mount package type necessitates appropriate PCB layout considerations for thermal management and soldering profiles compatible with small outline packages.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP621 series of high-density mounting phototransistor optically coupled isolators. The series includes variants such as TLP621, TLP621-2, and TLP621-4, differing primarily in the number of channels per package. The TLP621-4 specifically offers four channels, while the SMT&R suffix indicates the specific tape and reel packaging method used for manufacturing efficiency.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Verify compatibility with original equipment manufacturer specifications before attempting substitution with generic equivalents.