IS181A

Transistor, Photovoltaic Output Optoisolators Overview

The IS181A is a single-channel transistor output optocoupler manufactured by Isocom Components 2004 LTD. It features a surface-mount device (SMD) package with four pins. The component supports a maximum forward current of 50 mA and provides an isolation voltage of 3.75 kV. The collector-emitter breakdown voltage is rated at 80 V, and it offers a minimum current transfer ratio (CTR) of 80%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides electrical isolation between input and output circuits using infrared technology.
• Features a compact surface-mount design suitable for automated assembly processes.
• Delivers high isolation voltage capability for robust signal transmission across potential barriers.

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits requiring galvanic separation between low-voltage logic and higher-voltage loads
• Data communication links where noise immunity is critical

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific datasheet version from Isocom Components 2004 LTD to confirm exact pinout and mechanical dimensions. Ensure that the operating temperature range meets your system requirements. Cross-reference part numbers carefully as suffixes may indicate different packaging or testing standards. Confirm compliance with relevant safety certifications if used in regulated applications.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a single-channel transistor output is required for moderate-speed switching applications. Consider the 80 V collector-emitter voltage rating for load compatibility. The 80% minimum CTR ensures reliable switching performance. Evaluate the SMD footprint against available PCB space constraints before finalizing the design.

Transistor, Photovoltaic Output Optoisolators Part Context

The IS181A belongs to the IS181 series of optocouplers produced by Isocom Components 2004 LTD. This manufacturer specializes in photovoltaic and transistor output optoisolators with over four decades of industry experience. The company maintains production facilities in Malaysia and testing operations in the UK, ensuring consistent quality for commercial and industrial electronic components.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution lists from Isocom Components 2004 LTD for verified equivalents. Generic replacements must match the 3.75 kV isolation rating, 50 mA forward current, and SMD 4-pin package configuration. Verify that any substitute component meets the same CTR and voltage specifications to maintain circuit integrity.