ISP621-4XGB

Transistor, Photovoltaic Output Optoisolators Overview

The ISP621-4XGB is a high-density mounting phototransistor optically coupled isolator manufactured by Isocom Components. It features four independent channels within a single DIP-16 package, providing robust signal isolation for compact circuit designs. The device utilizes a standard phototransistor output configuration to ensure reliable digital and analog signal transmission across isolated boundaries. Key electrical specifications include a maximum isolation voltage of 5300 Vrms, ensuring safety compliance in high-voltage applications. The unit supports a maximum forward input current of 50 mA and operates within a temperature range of -55°C to 100°C. It carries UL recognition (File No. E91231) and VDE approval, meeting stringent international safety standards for industrial and commercial electronic equipment.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Four-channel integration in a single DIP-16 package for space-efficient design
• High insulation voltage capability up to 5300 Vrms for enhanced safety
• Compliant with UL and VDE safety standards for global market acceptance

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel isolation
• Power supply units needing feedback loop separation
• Communication interfaces demanding galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'XGB' against the manufacturer's latest datasheet to confirm lead form variations and packaging options. Ensure that the required safety approvals (UL/VDE) are explicitly listed for this exact part number variant. Cross-reference the pinout configuration with the target PCB layout to prevent installation errors due to potential package revisions.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a confined footprint. The four-channel architecture reduces bill-of-materials count compared to discrete single-channel optocouplers. Consider the 5300 Vrms isolation rating for applications involving significant potential differences between input and output circuits. Verify thermal management requirements given the operating temperature limits and power dissipation characteristics.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP8xx series of high-density phototransistor optocouplers from Isocom Components. It serves as a multi-channel alternative to single-channel devices like the ISP817 or dual-channel variants like the ISP827. The series is designed for applications where board space is limited but high isolation performance is critical. It complements the company's portfolio of standard and specialized optoelectronic components.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Potential substitutes include other four-channel DIP-16 phototransistor optocouplers with comparable isolation ratings. Verify pin-to-pin compatibility and electrical parameters such as current transfer ratio and breakdown voltage before substitution.