TLP321-4XBLSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The TLP321-4XBLSMT&R is a high-density, four-channel surface-mount phototransistor optocoupler manufactured by Isocom Components. It features a 16-pin SMD package designed for compact circuit layouts. The device provides an isolation voltage of 5300Vrms and supports a maximum forward current of 50 mA per channel. Key electrical parameters include a typical turn-on time of 3 µs and a current transfer ratio up to 200%. It operates within a temperature range of -30°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels integrated into a single surface-mount package for space-efficient designs
• High insulation voltage capability ensuring robust signal isolation between input and output circuits
• Fast switching performance with a typical turn-on time of 3 microseconds
• Wide operating temperature range suitable for demanding industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Computer peripheral interface circuits requiring multi-channel isolation
• Personal equipment signal transmission systems
• Office equipment control logic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix BLSMT&R against the manufacturer's official documentation to confirm the exact tape-and-reel packaging configuration and RoHS compliance status. Ensure the selected variant matches the required pinout and thermal characteristics for the target PCB layout. Cross-reference the datasheet revision date to guarantee access to the most current technical specifications and safety certifications before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a design requires four isolated channels in a minimal footprint. The transistor output type is suitable for digital switching applications rather than linear amplification. Consider the 5300Vrms isolation rating for safety-critical interfaces. Verify that the 50 mA forward current limit aligns with the driving source capabilities and that the 3 µs switching speed meets the system timing requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the TLP321 series of high-density mounting phototransistor optically coupled isolators. The series is engineered for general electronics applications where board space is constrained. The TLP321-4XBLSMT&R represents the quad-channel variant, offering a cost-effective solution for multi-line data isolation compared to using discrete single-channel devices.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Designers should consult the manufacturer's official replacement guide or contact Isocom Components directly for qualified alternatives.