IS121A

Transistor, Photovoltaic Output Optoisolators Overview

The IS121A is a single-channel optoisolator manufactured by Isocom Components 2004 LTD, featuring a transistor output configuration. It is housed in a Mini-Flat 4-SMD package and provides an isolation voltage of 3750Vrms. The device supports a maximum forward current of 50 mA and offers a minimum current transfer ratio (CTR) of 80%. The collector-emitter breakdown voltage is rated at 80V. This component is designed for reliable signal transmission across isolated circuits while maintaining high electrical safety standards.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using infrared technology
• Features a compact Mini-Flat surface-mount package for space-constrained designs
• Delivers high current transfer efficiency with a minimum CTR of 80%
• Ensures robust electrical safety with a 3750Vrms isolation rating

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits for microcontrollers and logic gates
• Power supply feedback loops requiring high isolation
• Safety-critical communication channels in embedded systems

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific ordering suffix to confirm tape and reel availability, as datasheets indicate options for 3000 pieces per reel. Ensure the selected variant matches the required Mini-Flat package dimensions and pin configuration. Cross-reference the manufacturer's latest documentation to confirm RoHS compliance status and any updates to the current transfer ratio specifications before finalizing procurement orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Choose the IS121A when a single-channel transistor output is required with high isolation voltage. Its 80% minimum CTR makes it suitable for applications demanding efficient signal transfer. The 4-pin SMD form factor aids in automated assembly. Consider this part if the design requires a 50mA forward current capability and an 80V collector-emitter voltage rating within a compact footprint.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components 2004 LTD specializes in high-performance infrared optoelectronic devices, including optocouplers and optoswitches. The company has over 40 years of industry expertise, originating from Litronix and Siemens heritage. They focus on providing alternative solutions for common commercial optocoupler types, often offering specialized parameter selections to meet specific circuit design requirements.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Users should consult official distributor databases or manufacturer cross-reference guides for compatible alternatives.