TLP621-4

Transistor, Photovoltaic Output Optoisolators Overview

The TLP621-4 is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components 2004 LTD. It consists of an infrared light emitting diode and NPN silicon photo transistors in a space-efficient dual in line plastic package. The device features four channels, offering a minimum current transfer ratio of 50%, a high isolation voltage of 5.3 kVrms, and a breakdown voltage (BVCEO) of 55V min. It operates within a temperature range of -55°C to 100°C, with a maximum DC forward current of 50 mA and typical forward voltage of 1.15V.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density mounting design for space efficient applications
• High isolation voltage capability for safe potential separation
• High current transfer ratio ensuring reliable signal transmission
• All electrical parameters are 100% tested for quality assurance

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals
• Industrial systems controllers
• Measuring instruments
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix codes when ordering, as they indicate variations such as lead spread options or surface mount configurations. Confirm that the component meets the required isolation voltage and current transfer ratio specifications for your circuit design. Ensure compatibility with the intended operating temperature range and package style before finalizing procurement decisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring compact optical isolation with multiple channels. Consider the 5.3 kVrms isolation rating for safety-critical interfaces. Evaluate the 50% minimum current transfer ratio against input drive capabilities. Verify package dimensions against PCB layout constraints, especially for high-density mounting requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

The TLP621 series includes variants like TLP621-2 and TLP621-4, differing primarily in channel count. These devices belong to the family of high-density mounting phototransistor optically coupled isolators. They are designed to replace common commercial optocouplers while offering specific parameter selections for customized circuit designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Isocom components are designed as direct replacements for common commercial optocouplers. Verify pinout compatibility and electrical parameters against existing designs. Check if alternative suffixes offer necessary packaging or lead spread variations.