ILQ615-4

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ615-4 is a quad-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features four independent channels within a single 16-pin PDIP package, utilizing GaAs infrared LEDs and high-gain NPN phototransistors for signal isolation. The device provides an insulation voltage of 5300 Vrms, ensuring robust electrical separation between input and output circuits. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a peak forward current of 60 mA, and a typical rise time of 2.8 µs. The current transfer ratio ranges from 160% to 320%, supporting reliable digital switching applications in industrial environments.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration with four independent phototransistor outputs
• High insulation voltage rating of 5300 Vrms for enhanced safety
• Utilizes GaAs infrared LED emitters for efficient optical coupling
• NPN phototransistor output structure for high gain performance

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial automation control systems
• Solid-state relay driver circuits
• Signal isolation in measurement equipment
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix (e.g., X007, X009T) against the required packaging format, as standard availability may vary between tubes and tape-and-reel configurations. Confirm RoHS compliance status through official datasheets or manufacturer notifications prior to finalizing procurement orders. Ensure the selected variant matches the intended mounting type and thermal requirements for the target application design.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required within a compact footprint. The 16-pin DIP package facilitates through-hole mounting on PCBs. Consider the 5300 Vrms isolation rating for high-voltage noise immunity. Evaluate the 2.8 µs rise time against system speed requirements. Verify that the 70 V collector-emitter voltage meets the load voltage specifications of the driven circuitry.

Transistor, Photovoltaic Output Optoisolators Part Context

The ILQ615-4 belongs to the ILD/Q615 family of multi-channel phototransistor optocouplers. This series is designed for applications requiring multiple isolated signals in a single package. Vishay Semiconductor Opto Division produces these devices using advanced GaAs technology. The family includes dual and quad channel variants, offering flexibility for different integration densities while maintaining consistent electrical characteristics across the product line.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: SFH615A-4.