ISP321-1XBLSM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-1XBLSM is a single-channel optoisolator manufactured by Isocom Components 2004 LTD. It features an infrared LED coupled with an NPN silicon phototransistor in a surface-mount 4-SMD package. The device provides a minimum isolation voltage of 5300Vrms and supports a maximum forward current of 50 mA. It exhibits a typical rise time of 4µs and fall time of 3µs, with a current transfer ratio ranging from 200% to 600%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates an infrared light emitting diode with an NPN silicon photo transistor for signal isolation.
• Provides high-voltage electrical isolation between input and output circuits.
• Designed for surface-mount assembly in compact electronic applications.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems.
• Interface circuits requiring galvanic separation between low-power logic and higher-voltage loads.
• Data transmission channels where noise immunity is critical.

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BL' against official Isocom documentation to confirm exact binning or tape-and-reel specifications. Ensure the ordering part number matches the required package variant, as suffixes may indicate packaging differences rather than functional changes. Cross-reference with authorized distributors to confirm availability and lead times.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output isolator with high isolation voltage is required. Consider the 5300Vrms rating for safety-critical applications. Evaluate the current transfer ratio range to ensure compatibility with downstream logic levels. Confirm that the surface-mount footprint aligns with the PCB design constraints.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the ISP321 series of optically coupled isolators. The series typically includes variants such as ISP321-1, ISP321-2, and ISP321-4, differing primarily in channel count. Isocom Components specializes in infrared optoelectronic devices, leveraging decades of industry expertise to produce these isolators.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Engineers should consult official manufacturer cross-reference guides or datasheets for equivalent components with matching pinouts and electrical characteristics.