ISQ204XSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISQ204XSMT&R is a high-density phototransistor optically coupled isolator manufactured by Isocom Components. It features four independent channels within a single surface-mount package, providing electrical isolation between input and output circuits. The device utilizes an infrared LED as the light source and NPN silicon phototransistors for signal detection. Key electrical specifications include a minimum collector-emitter breakdown voltage of 70V and a rated current transfer ratio of 75%. The component supports a maximum insulation voltage of 5300V and operates within a temperature range of -25°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel configuration for high-density circuit isolation
• Low input current requirement for efficient drive
• High isolation voltage capability for safety-critical applications
• Surface-mount packaging for automated assembly

Transistor, Photovoltaic Output Optoisolators Applications

• Computer terminal interfaces
• Industrial system controllers
• Signal transmission between systems with different potentials
• Impedance matching between disparate circuit stages

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify that the specific suffix 'SMT&R' corresponds to tape-and-reel packaging requirements for your manufacturing line. Confirm that the 'X' designation aligns with the exact lead spread or variant needed for your PCB footprint. Ensure compatibility with standard reflow soldering profiles specified in the official datasheet. Cross-reference the RoHS compliance status with current regulatory standards for your target market.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact form factor. The high current transfer ratio ensures reliable switching with minimal input drive current. Consider the surface-mount format for space-constrained designs. Evaluate the 70V breakdown voltage against the maximum load requirements of the connected circuitry to ensure adequate safety margins during operation.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISQ series of high-density phototransistor optocouplers from Isocom Components. The series is designed to replace older through-hole components with modern surface-mount equivalents. The 'ISQ' prefix typically denotes plastic DIP or SMD packages with specific pin configurations. This family offers options for various lead spreads and packaging types to suit different assembly needs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct replacements may include other quad-channel phototransistor optocouplers with similar isolation voltages and current transfer ratios. Verify pinout compatibility before substitution. Check if alternative manufacturers offer equivalent performance in surface-mount packages. Ensure that the replacement part meets the same thermal and electrical specifications.