ILD66-1

Transistor, Photovoltaic Output Optoisolators Overview

The ILD66-1 is a dual-channel transistor-output optoisolator manufactured by Vishay Semiconductor Opto Division. It provides electrical isolation between input and output circuits using an infrared LED and phototransistor pair. The device features a high isolation voltage of 5300Vrms, ensuring safety in high-voltage applications. It includes two independent channels within a single package, offering space efficiency for multi-signal isolation needs. The component supports a minimum current transfer ratio of 100% at 2mA forward current, facilitating reliable signal transmission. It operates within a standard temperature range suitable for industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel configuration for simultaneous isolation of two independent signals
• High isolation voltage rating of 5300Vrms for robust electrical safety
• Transistor output type providing digital switching capabilities
• Integrated infrared LED emitter coupled with phototransistor receiver

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring isolated signal interfaces
• Power supply feedback loops for voltage monitoring
• Communication interfaces needing galvanic isolation between logic levels
• Microcontroller input/output protection in noisy electrical environments

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the obsolete status of this component before procurement planning. Confirm availability through authorized distributors as stock may be limited. Check for alternative pin-compatible replacements if long-term supply is required. Ensure the specific package variant matches the design requirements. Validate that the 5300Vrms isolation rating meets the safety standards of the target application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is necessary within a compact form factor. Consider the 5300Vrms isolation voltage for high-potential applications. Evaluate the transistor output characteristics against the load requirements of the receiving circuit. Verify compatibility with the operating temperature range of the intended system. Assess the current transfer ratio to ensure sufficient gain for the specific drive conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

The ILD66-1 belongs to Vishay's family of transistor-output optoisolators designed for general-purpose isolation tasks. It complements other models like the ILD610-1 and ILD621, which offer similar isolation principles but may differ in channel count or package style. These components are widely used in industrial automation and power electronics where galvanic separation is critical for system integrity and user safety.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: None identified in provided documentation.