ISP521-4XGBSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4XGBSMT&R is a surface-mount, high-density phototransistor optically coupled isolator manufactured by Isocom Components. It integrates an infrared LED and NPN silicon phototransistor in a compact plastic package. The device offers 5300V RMS isolation voltage and a minimum current transfer ratio of 50%. It supports a maximum forward current of 50mA and operates within a temperature range of -55°C to 100°C. The component is supplied in tape-and-reel packaging for automated assembly.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density mounting design for space-efficient applications
• High isolation voltage capability of 5.3kV RMS
• High current transfer ratio with a minimum specification of 50%
• Surface mount construction with tape-and-reel delivery format

Transistor, Photovoltaic Output Optoisolators Applications

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

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms the tape-and-reel packaging configuration required for your automated pick-and-place equipment. Ensure the ordering part number matches the exact lead spread and electrical selection criteria defined in the official datasheet. Confirm that the supplier provides traceability documentation consistent with Isocom Components manufacturing standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high-density surface mount technology is required alongside robust galvanic isolation. The 50% minimum current transfer ratio ensures reliable switching performance in digital signal interfaces. Consider the 5300V RMS isolation rating for safety-critical applications requiring strong barrier protection between input and output circuits.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP521/ISP521 series of high-density phototransistor optocouplers from Isocom Components. These devices are designed as direct replacements for standard DIP optocouplers but utilize surface mount packages to reduce board space. The series is characterized by high isolation voltages and standardized electrical parameters suitable for general-purpose industrial and commercial isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct pin-compatible replacements may include other surface mount variants within the TLP521 or ISP521 families, provided they match the 6-pin SMD footprint and electrical specifications. Verify that any substitute maintains the 50% minimum CTR and 5300V isolation rating.