IS181B

Transistor, Photovoltaic Output Optoisolators Overview

The IS181B is a transistor output optoisolator manufactured by Isocom Components 2004 LTD. It provides electrical isolation with a rated voltage of 3750Vrms and features a single channel configuration in a surface-mount package with four pins. The device supports a maximum input current of 50 mA and offers an output voltage rating of up to 80V. Key performance metrics include a typical rise time of 4µs and fall time of 3µs, with a current transfer ratio ranging from 130% to 260% at a 5mA input.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides high-voltage electrical isolation between input and output circuits
• Utilizes a compact surface-mount design for automated assembly
• Features fast switching speeds suitable for digital signal transmission

Transistor, Photovoltaic Output Optoisolators Applications

• General-purpose digital signal isolation
• Microcontroller interface circuits
• Industrial control systems requiring galvanic isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific datasheet version to confirm exact pinout and mechanical dimensions before integration. Ensure that the operating conditions remain within the specified voltage and current limits to maintain reliability. Cross-reference the manufacturer's ordering information to confirm availability and packaging specifications directly from official sources.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a low-cost, single-channel isolation solution is required for digital signals. Consider the 3750Vrms isolation rating and the specific timing characteristics against system requirements. Evaluate the surface-mount footprint compatibility with existing PCB layouts and ensure the thermal management strategy aligns with the device's power dissipation capabilities.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components 2004 LTD specializes in optocouplers and opto-switches, leveraging heritage from Litronix and Siemens. The company maintains manufacturing operations in Malaysia and testing facilities in the UK, focusing on both commercial and specialized applications. This product line emphasizes reliable isolation technology developed over decades of industry experience.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution guides or equivalent part lists from the manufacturer for verified alternatives. Generic cross-references may not match the specific electrical characteristics or pin configurations required for direct replacement without circuit modification.