ILQ55-X009

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ55-X009 is a quad-channel optocoupler manufactured by Vishay Semiconductor Opto Division. It features photodarlington outputs providing high current transfer ratios for efficient signal transmission. The device offers 5300Vrms isolation voltage between input and output circuits, ensuring robust electrical safety in noisy environments. It operates within a temperature range of -55°C to 100°C and utilizes an 8-SMD surface-mount package. Key electrical parameters include a maximum collector-emitter saturation voltage of 1V, a typical rise time of 10µs, and a fall time of 35µs. The minimum current transfer ratio is specified at 100% when tested with a forward current of 10mA.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration with photodarlington outputs for enhanced gain
• High isolation voltage rating of 5300Vrms for reliable circuit separation
• Extended operating temperature range suitable for harsh industrial conditions

Transistor, Photovoltaic Output Optoisolators Applications

• Replacement for reed and mercury relays in switching applications
• Industrial control systems requiring high-speed signal isolation
• Consumer electronics needing compact multi-channel optoisolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix and packaging format against official Vishay documentation before ordering. Confirm that the 8-SMD package matches your PCB footprint requirements. Ensure the component's lead-free status aligns with your assembly process standards. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit sources. Check for any recent lifecycle notices regarding obsolescence or last-time buy dates.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a single package. Consider the photodarlington output type if higher current drive capability is needed compared to standard transistor outputs. Evaluate the 5300Vrms isolation level against your system's safety regulations. Assess the thermal performance within the -55°C to 100°C range for your specific application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to Vishay's family of high-isolation optocouplers designed for demanding applications. It provides a compact solution for replacing electromechanical relays, offering longer life and faster switching speeds. The quad-channel design reduces board space compared to using four separate single-channel devices. It is engineered for reliability in industrial and consumer markets where magnetic field elimination is critical.