ISP321-2XBL

Transistor, Photovoltaic Output Optoisolators Overview

The ISP321-2XBL is a dual-channel phototransistor optocoupler manufactured by Isocom Components 2004 LTD. It features an infrared LED input and NPN silicon phototransistor output in an 8-pin DIP package. Key electrical parameters include a 5300Vrms isolation voltage, a minimum current transfer ratio of 200% at 1mA forward current, and a maximum CTR of 600%. The device supports a continuous collector-emitter voltage of 30V and operates with a typical propagation delay of 3 microseconds.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for independent signal isolation
• High isolation voltage rating for safety-critical applications
• Wide current transfer ratio range ensuring reliable switching
• Surface mount or through-hole compatible packaging options

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Signal transmission between microcontrollers and power circuits
• Noise immunity enhancement in data communication lines
• Power supply feedback loops for voltage regulation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'BL' against official Isocom documentation to confirm lead time and availability status. Ensure the ordering part number matches the required package type and tape/reel specifications. Cross-reference with authorized distributors to validate authenticity and prevent counterfeit components. Confirm compliance with RoHS directives if applicable to your manufacturing process.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a compact footprint. The high CTR ensures robust signal transmission even at low input currents. Consider the 5300Vrms isolation barrier for applications involving high potential differences. Evaluate the propagation delay characteristics against system timing requirements before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP321 series of high-density mounting phototransistor optically coupled isolators. The series includes variants like ISP321-1, ISP321-2, and ISP321-4, differing primarily in channel count. The ISP321-2XBL specifically denotes a two-channel version with specific binning or packaging attributes indicated by the suffix.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes may include other dual-channel transistor-output optocouplers with comparable isolation voltages and CTR ranges. Verify pinout compatibility and physical dimensions before substitution. Check datasheets for equivalent propagation delays and saturation voltages to ensure circuit performance remains unaffected.