ISP845X-1

Transistor, Photovoltaic Output Optoisolators Overview

The ISP845X-1 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. The device utilizes an infrared LED input paired with NPN silicon photodarlington outputs to achieve high current transfer ratios. It offers a minimum isolation voltage of 5300 Vrms and withstands a peak isolation voltage of 7500 Vpk. The component is designed for wide operating temperatures ranging from -55°C to 100°C and includes UL recognition (File No. E91231) and VDE approval under specification 0884.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• High density mounting configuration integrating four isolated channels in a compact dual in-line package
• Photodarlington output structure delivering high current transfer ratio for efficient signal transmission
• Enhanced electrical isolation capabilities with high breakdown voltage ratings between input and output circuits
• Compliance with international safety standards including UL recognition and VDE certification

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interfaces requiring galvanic isolation
• Industrial system controllers needing reliable signal transmission
• Measuring instruments utilizing different potential levels
• Signal transmission between systems with varying impedances

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation against official Isocom Components documentation to confirm lead form variations such as standard or surface mount options. Ensure that procurement specifications align with the required isolation voltage ratings and channel configurations. Cross-reference the UL file number and VDE approval status to meet regulatory compliance requirements for the intended application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a constrained board space. The photodarlington output architecture is suitable for applications demanding higher gain compared to standard phototransistor variants. Consider the DIP-16 package dimensions and thermal characteristics during layout design. Validate that the input forward current limits and output collector-emitter breakdown voltages match the circuit requirements.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP845 series of high-density mounting photodarlington optically coupled isolators. The 'X' suffix typically denotes specific approval specifications or lead forms as defined by the manufacturer. The series shares common architectural features with other members like the ISP815 and ISP825, differing primarily in the number of isolated channels provided per package.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.