ISQ74XSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ74XSMT&R is a surface-mount transistor output optocoupler manufactured by Isocom Components. It features a quad configuration with four independent channels housed in a 16-pin Surface Mount PDIP package. The device provides high isolation capability of 5300Vrms between input and output circuits. It accepts DC input signals with a maximum forward current of 50 mA. The typical rise time is specified at 2.6 µs, while the typical fall time is 2.2 µs. Current transfer ratios range from a minimum of 12.5% to a maximum of 400%. Operating temperatures span from -25°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Quad channel architecture for multi-signal isolation
• High voltage insulation barrier
• Surface mount packaging for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring signal isolation
• Data communication interfaces
• Microprocessor system isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SMT&R' confirms the surface mount tape and reel packaging format. Ensure compatibility with standard SMD reflow soldering profiles. Confirm that the 16-pin SOP/PDIP footprint matches the target PCB layout. Validate that the 5300Vrms isolation rating meets the safety requirements of the end application environment.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact surface-mount form factor. The quad configuration reduces board space compared to single-channel alternatives. Verify that the 50 mA input current limit suits the driving circuit capabilities. Ensure the operating temperature range covers the intended environmental conditions.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISQ series of optocouplers from Isocom Components. It utilizes a phototransistor output structure for digital signal transmission. The series is designed for general-purpose isolation applications where high reliability and compact size are prioritized over analog linearity.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for direct pin-compatible substitutes within the same manufacturer's portfolio. Verify equivalent isolation voltage and current transfer ratio specifications. Ensure the replacement maintains the 16-pin surface mount package type.