ILD1615-4

Transistor, Photovoltaic Output Optoisolators Overview

The ILD1615-4 is a quad-channel phototransistor optocoupler from Vishay, housed in a 16-pin PDIP package. It features GaAs IR LED emitters and high-gain NPN phototransistors rated for operation up to 110°C. Key electrical parameters include a maximum collector-emitter voltage of 70V, a peak forward current of 60mA, and an isolation voltage of 5300Vrms. The typical rise time is 4.6µs with a fall time of 15µs. Power dissipation is specified at 500mW, supporting industrial applications requiring robust signal isolation.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration utilizing GaAs infrared LED emitters for efficient optical coupling
• High-gain NPN phototransistor outputs designed for reliable signal transmission across isolation barriers
• Extended temperature rating allowing stable operation in environments up to 110°C

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel signal isolation
• Power supply feedback loops for voltage regulation
• Data communication interfaces needing galvanic separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required CTR binning and packaging format. Check for recent product change notices regarding manufacturing site transfers or material updates. Ensure compliance with RoHS directives if required by your assembly process. Validate that the 110°C rating aligns with your thermal management design constraints.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are needed within a single package footprint. The 16-pin DIP form factor suits through-hole mounting techniques. Consider the 5300Vrms isolation level for safety-critical applications. Evaluate the 4.6µs rise time against your system's switching speed requirements. Compare power dissipation limits against expected operating currents to ensure thermal stability.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the ILQ/ILD1615 series of multi-channel optocouplers. It shares architectural similarities with dual-channel variants like the ILD1615-1 but offers four independent isolation paths. The series is characterized by its use of gallium arsenide emitters and silicon phototransistors, providing a balance of speed and gain for general-purpose isolation tasks.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: None identified.