ISP845-1SM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP845-1SM is a surface-mount, four-channel photodarlington optocoupler from Isocom Components. It integrates an infrared LED with NPN silicon photodarlington outputs in a compact SOP-8 package. The device provides high current transfer ratio and robust electrical isolation. Key parameters include a minimum CTR of 600%, maximum forward voltage of 1.3V, and isolation voltage of 5300 Vrms. Operating temperature range spans -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent channels within a single surface-mount package for space-efficient design
• Utilizes NPN silicon photodarlington output structure for high sensitivity and gain
• Provides enhanced electrical isolation capabilities suitable for demanding industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals and peripheral interfaces
• Industrial system controllers and automation logic
• Measuring instruments requiring signal isolation
• Signal transmission between systems with different potentials

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix configuration against official documentation to ensure correct lead spacing and packaging format. Confirm that the surface-mount variant matches the required PCB footprint and reflow soldering profile. Cross-reference the manufacturer part number with authorized distributors to validate authenticity and compliance with RoHS standards before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high channel density and significant current transfer ratio are required in a limited board area. The photodarlington architecture offers superior sensitivity compared to standard phototransistors, making it ideal for low-input current applications. Ensure the isolation voltage rating meets the safety requirements of the target circuit interface.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP8xx series of high-density mounting optically coupled isolators manufactured by Isocom Components. The series utilizes infrared light emitting diodes paired with NPN silicon photodarlington transistors. These devices are designed to replace common commercial optocouplers while offering custom electrical selections to meet specific circuit design requirements.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes include the TIL197 and PS2502-1X, which share similar photodarlington characteristics and channel configurations. Verify pinout compatibility and isolation voltage ratings when transitioning between these equivalent components.