TLP521-4SM

Transistor, Photovoltaic Output Optoisolators Overview

The TLP521-4SM is a quad-channel surface-mount optocoupler from Isocom Components. It integrates four independent channels, each comprising a Gallium Arsenide infrared emitting diode and an NPN silicon phototransistor. The device features a 16-pin SOP package with a 9.76mm width. Key electrical parameters include a maximum forward voltage of 1.3V, a typical rise time of 4μs, and a typical fall time of 3μs. It offers a high isolation voltage of 5300Vrms and operates within a temperature range of -30°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel architecture providing four independent signal isolation paths in a single compact package
• High-voltage isolation capability ensuring safe separation between input and output circuits
• Surface-mount construction designed for automated assembly and space-constrained PCB layouts

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Power supply units needing feedback loop isolation
• Communication equipment utilizing serial data transmission barriers

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm the exact pin configuration and packaging type. Ensure the selected variant matches the required channel count and isolation voltage for the target application. Cross-reference the manufacturer's latest datasheet to confirm compliance with current safety standards and environmental regulations before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a limited footprint. The quad-channel design reduces board space compared to discrete single-channel devices. Consider the 5300Vrms isolation rating for applications demanding robust electrical separation. Evaluate the surface-mount package compatibility with existing assembly processes and reflow soldering profiles.

Transistor, Photovoltaic Output Optoisolators Part Context

The TLP521-4SM belongs to the TLP521 series of optically coupled isolators manufactured by Isocom Components. This series utilizes infrared LEDs and NPN silicon phototransistors to provide electrical isolation. The product line includes various configurations, such as dual-channel and quad-channel options, catering to diverse circuit isolation needs across industrial and consumer electronics sectors.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

TLP521-4GB serves as a through-hole replacement option for the same quad-channel functionality.