ISP845X-3

Transistor, Photovoltaic Output Optoisolators Overview

The ISP845X-3 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 robust signal isolation between circuits with different potentials. The device utilizes an infrared LED input paired with NPN silicon photodarlington outputs to achieve high current transfer ratios and reliable switching performance. It offers a maximum insulation voltage of 5300 Vrms and withstands a peak isolation voltage of 7.5 kVpk. The component is designed for space-efficient applications requiring multiple isolated channels, ensuring electrical safety and noise immunity in industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four separate photodarlington channels in a compact dual in-line package for high-density mounting
• Provides high isolation voltage capability to ensure safe signal transmission between disparate potential systems
• Delivers high current transfer ratio for efficient driving of downstream loads with minimal input current
• Constructed with infrared LED emitters and NPN silicon phototransistors for reliable optical coupling

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interface circuits
• Industrial system controllers
• Measuring instruments
• Signal transmission between systems of different potentials and impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical characteristics and packaging options. Ensure compliance with relevant safety approvals such as UL recognition and VDE standards required for the target application. Confirm lead spread dimensions if surface mount or tape and reel variants are considered instead of standard through-hole configurations.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a constrained board area. The photodarlington output structure provides higher gain compared to standard phototransistor couplers, suitable for low-level signal detection. Verify that the operating temperature range and insulation requirements align with the specific environmental conditions of the end equipment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP8xx series of high-density mounting photodarlington optically coupled isolators from Isocom Components. The series is characterized by its ability to pack multiple isolation channels into small form factors, addressing space constraints in modern electronic designs while maintaining high reliability and safety standards for industrial and commercial applications.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other quad-channel photodarlington optocouplers in DIP-16 packages. Verify pinout compatibility and electrical parameters such as current transfer ratio and isolation voltage before substitution.