ISP620-1SM

Transistor, Photovoltaic Output Optoisolators Overview

The ISP620-1SM is a high-density surface mount AC input optically coupled isolator manufactured by Isocom Components 2004 Ltd. It features two infrared light-emitting diodes connected in inverse parallel for AC operation, housed in a compact 4-SMD Gull Wing package. The device provides electrical isolation with a maximum forward voltage of 1.3V and supports an operating temperature range from -30°C to 100°C. Key performance metrics include a typical rise time of 4μs and a typical fall time of 3μs. It offers a minimum current transfer ratio of 0.5% and a maximum of 6%, ensuring reliable signal transmission across isolated circuits.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• AC input capability via dual inverse-parallel infrared LEDs
• High-density surface mount packaging for space-constrained designs
• Wide operating temperature range suitable for industrial environments

Transistor, Photovoltaic Output Optoisolators Applications

• Logic-to-logic isolation in noisy environments
• Line receiver applications
• Programmable current level sensors
• Computer and peripheral device interfaces

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'SM' corresponds to the 4-SMD Gull Wing package configuration when sourcing. Confirm that the manufacturer designation matches Isocom Components 2004 Ltd to ensure authenticity. Check for RoHS compliance documentation if required for your assembly process. Ensure the component meets the specified isolation voltage requirements for your circuit design before finalizing procurement.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when AC input detection is required in a compact surface mount form factor. The inverse-parallel LED configuration eliminates the need for external rectification components. Consider the low current transfer ratio specifications when designing drive circuits. Verify that the 4-SMD package dimensions fit within the available PCB real estate constraints compared to through-hole alternatives.

Transistor, Photovoltaic Output Optoisolators Part Context

The ISP620 series represents Isocom's line of transistor output optocouplers designed for electrical isolation. This specific model utilizes AC input technology, distinguishing it from DC input variants like the TLP521 series. The product line is known for replacing discontinued parts from other manufacturers while maintaining industry-standard pinouts and electrical characteristics for seamless integration into existing designs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.