ISP845G

Transistor, Photovoltaic Output Optoisolators Overview

The ISP845G is a high-density mounting photodarlington optically coupled isolator manufactured by Isocom Components. It features four independent channels within a single DIP-16 plastic package, providing compact integration for multi-channel isolation requirements. The device utilizes an infrared LED input paired with NPN silicon photodarlington outputs to ensure reliable signal transmission across isolated circuits. Key electrical specifications include a minimum current transfer ratio of 600% and a maximum insulation voltage of 5300 Vrms. The component supports a wide operating temperature range from -55°C to 100°C and includes a 10mm lead spread configuration as indicated by the 'G' suffix.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent photodarlington channels in a space-efficient dual in-line package
• Provides high isolation voltage capability for safe signal transmission between disparate potentials
• Delivers high current transfer ratio for efficient drive requirements
• Features UL recognition and VDE approval for international compliance standards

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminals requiring multi-channel isolation
• Industrial systems controllers needing robust signal coupling
• Measuring instruments demanding high accuracy and isolation
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific ordering suffix matches the required lead form and packaging type. Confirm that the 'G' designation corresponds to the 10mm lead spread variant rather than standard spacing. Ensure compliance with RoHS directives if environmental regulations apply to the assembly process. Cross-reference the manufacturer's latest datasheet to confirm pinout compatibility and thermal characteristics before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a confined board area. The high current transfer ratio makes it suitable for driving loads directly without additional amplification stages. Consider the DIP-16 package dimensions against available PCB real estate. Evaluate the 5300V isolation rating against system voltage requirements to ensure adequate safety margins for industrial or high-voltage applications.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP815/ISP825/ISP845 series of high-density mounting photodarlington optically coupled isolators. The series offers options for surface mount and tape & reel configurations, with the 'G' suffix specifically denoting the 10mm lead spread variant. These devices are designed for applications requiring compact footprints while maintaining high isolation performance and reliability in harsh environments.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.