ILQ621-X001

Transistor, Photovoltaic Output Optoisolators Overview

The ILQ621-X001 is a quad-channel phototransistor optocoupler manufactured by Vishay Semiconductor Opto Division. It utilizes GaAs infrared LED emitters and high-gain NPN silicon phototransistors for signal isolation. The device features a 16-pin PDIP package with through-hole mounting. Key electrical parameters include a maximum isolation voltage of 5300 Vrms, a typical rise time of 2.8 μs, and a maximum collector current of 100 mA. The current transfer ratio ranges from 100% to 600%, with a maximum forward current of 60 mA and a forward voltage of 1.3 V. Operating temperatures span from -55°C to +100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad-channel configuration utilizing GaAs IRLED emitters and high-gain NPN silicon phototransistors
• High isolation voltage rating of 5300 Vrms for robust circuit protection
• Wide operating temperature range suitable for demanding industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial process control systems requiring multi-channel isolation
• Solid-state relay driver circuits
• Logic interface modules for microprocessor systems
• Power supply feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix against official Vishay documentation to confirm exact binning or testing criteria. Ensure the procurement source provides valid RoHS compliance certificates. Cross-reference the manufacturer part number with distributor databases to confirm availability status and lead times. Validate that the received components match the 16-pin DIP physical specifications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when four isolated channels are required in a single package. Consider the 5300 Vrms isolation rating for high-voltage applications. Evaluate the 2.8 μs rise time against system speed requirements. Confirm compatibility with through-hole PCB assembly processes and verify thermal management needs within the specified temperature range.

Transistor, Photovoltaic Output Optoisolators Part Context

The ILQ621 series belongs to Vishay's family of multi-channel phototransistor optocouplers. These devices are designed for general-purpose isolation tasks where multiple independent signals must be transmitted across an isolation barrier. The series offers a compact solution compared to using discrete single-channel units, simplifying board layout and reducing component count in complex electronic designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers: ILD621, ILQ621GB, ILD621GB.