ILQ55

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ55 is a quad-channel optocoupler featuring gallium arsenide infrared emitters and silicon photodarlington sensors. It provides high isolation voltage of 5300 Vrms. The device supports DC input with a maximum forward current of 60 mA. Output channels handle up to 125 mA load current. Typical switching times include a rise time of 10 μs and fall time of 35 μs. It operates within a temperature range of -55°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four independent channels for signal isolation
• High isolation voltage rating for safety
• Fast switching speed capabilities
• Solid-state reliability replacing electromechanical relays

Transistor, Photovoltaic Output Optoisolators Applications

• Replacing reed and mercury relays
• Industrial control systems
• Data communication interfaces
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix code (e.g., X007, X009T) against the required package type and tape/reel configuration. Confirm that the manufacturer designation matches Vishay Semiconductor Opto Division or its acquired entities like Siliconix. Ensure the datasheet version aligns with the requested electrical characteristics before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when four isolated channels are required in a single package. Consider the photodarlington output structure for higher gain applications compared to transistor outputs. Evaluate the 125 mA output current capability against load requirements. Verify thermal management needs given the operating temperature range and power dissipation limits during continuous operation.

Transistor, Photovoltaic Output Optoisolators Part Context

This component belongs to the ILQ series of quad-channel optocouplers from Vishay. It is designed as a solid-state alternative to traditional electromechanical relays. The series offers standard DIP packaging options suitable for through-hole mounting. It addresses applications requiring compact, reliable, and fast-switching isolation solutions.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: ILQ621GB.