Andrew
Andrew Content Marketer
On Jan 5, 2026



ILQ615-4 Transistor Output Optocouplers by Vishay

The Transistor Output Optocouplers ILQ615-4 by Vishay are high-performance isolation components designed for reliable signal transfer between electrically isolated circuits. These devices play a crucial role in protecting sensitive electronics from voltage spikes, noise, and transient conditions in industrial and commercial applications.

Belonging to the Optoelectronics, Optocouplers / Photocouplers, Transistor Output Optocouplers category, the ILQ615-4 ensures safe operation across various control and automation systems. You can source genuine Vishay components from www.xonelec.com.


Technical Specifications of ILQ615-4

General Specifications

  • Manufacturer: Vishay

  • Part Number: ILQ615-4

  • Product Type: Transistor Output Optocoupler

  • Number of Channels: 4

  • Category: Optoelectronics, Optocouplers / Photocouplers, Transistor Output Optocouplers

Electrical Characteristics

  • High isolation voltage

  • Phototransistor output

  • Infrared LED input

  • Through-hole DIP package

The ILQ615-4 offers dependable electrical isolation and consistent performance across operating conditions.


Key Features of ILQ615-4 Optocouplers

Electrical Performance

  • High noise immunity

  • Low input current

  • Stable output response

Design Advantages

  • Compact multi-channel design

  • Easy PCB integration

  • Long operational life

These benefits make the ILQ615-4 Transistor Output Optocouplers by Vishay ideal for systems requiring safe signal isolation.


Applications of ILQ615-4

Industrial & Automation Systems

  • PLC input/output isolation

  • Motor drive control

  • Industrial automation interfaces

Power & Embedded Electronics

  • Power supply feedback

  • Signal conditioning circuits

  • Logic-level isolation

The device is widely used in Optoelectronics, Optocouplers / Photocouplers, Transistor Output Optocouplers applications where reliability is critical.


Connection and Operation Overview

How ILQ615-4 Works

  • Input LED activates via control signal

  • Optical isolation transfers signal

  • Output phototransistor switches independently

This isolation method eliminates direct electrical contact, improving system safety.


Industrial Use Case Example

Application Need

An industrial controller required reliable isolation between field wiring and microcontroller inputs.

Problem

Electrical noise caused erratic signal behavior.

Solution

Implementing ILQ615-4 Transistor Output Optocouplers by Vishay ensured clean, isolated signal transfer.

Result

  • Enhanced noise immunity

  • Improved safety

  • Long-term operational stability

Engineers prefer sourcing from X-On Electronics for assured quality.


Download Datasheet – ILQ615-4

The datasheet provides:

  • Pin configuration

  • Electrical ratings

  • Isolation specifications

  • Typical application circuits

       Download Datasheet – ILQ615-4


Why Choose X-On Electronics

Advantages of Buying from XON

  • 100% genuine Vishay products

  • Global shipping availability

  • Competitive pricing

  • Trusted electronics distributor

Purchase ILQ615-4 Transistor Output Optocouplers by Vishay confidently from www.xonelec.com.


Conclusion

The ILQ615-4 Transistor Output Optocouplers by Vishay deliver reliable electrical isolation, robust performance, and design flexibility. Ideal for industrial automation, power electronics, and embedded systems, this optocoupler is a dependable choice for modern designs in Optoelectronics, Optocouplers / Photocouplers, Transistor Output Optocouplers categories.


FAQs – ILQ615-4 Transistor Output Optocouplers

What is ILQ615-4 used for?

It is used to electrically isolate control signals from power circuits.

How many channels does ILQ615-4 have?

It features four optocoupler channels in a single package.

Is ILQ615-4 suitable for industrial environments?

Yes, it is designed for industrial-grade applications.

Which category does ILQ615-4 belong to?

Optoelectronics, Optocouplers / Photocouplers, Transistor Output Optocouplers.

Where can I buy ILQ615-4 online?

You can buy it from Xon Electronics.




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