IS181C

Transistor, Photovoltaic Output Optoisolators Overview

The IS181C is a single-channel optocoupler manufactured by Isocom Components 2004 LTD. It features a surface-mount Mini-Flat package with four pins. The device utilizes a phototransistor output and accepts direct current input. Key electrical specifications include a maximum forward voltage of 1.65V, a maximum input current of 50 mA, and an isolation voltage of 3.75 kVrms. The typical rise time is 2µs, while the typical fall time is 11µs. The current transfer ratio ranges from a minimum of 20% to a maximum of 200%.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Provides galvanic isolation between input and output circuits using infrared technology.
• Integrates a phototransistor output stage for signal transmission.
• Designed for surface-mount assembly in compact electronic layouts.

Transistor, Photovoltaic Output Optoisolators Applications

• Signal isolation in industrial control systems
• Interface circuits for microprocessor-based logic systems
• Switching applications requiring electrical separation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix and packaging configuration against official distributor catalogs before ordering. Confirm that the component meets all required safety certifications for the target application environment. Ensure compatibility with standard surface-mount reflow soldering profiles to maintain device integrity during assembly processes.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when a low-profile surface-mount solution is required for single-channel isolation. Consider the 3.75 kVrms isolation rating for basic insulation requirements. Evaluate the phototransistor output speed characteristics against the system's switching frequency needs to ensure adequate performance margins.

Transistor, Photovoltaic Output Optoisolators Part Context

Isocom Components 2004 LTD specializes in infrared optoelectronic components, including optocouplers and solid-state relays. The company traces its origins to 1982 and operates manufacturing facilities in Malaysia and testing operations in the UK. The brand is recognized for producing reliable isolation devices for commercial and industrial markets.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Cross-reference with other single-channel SMD phototransistor optocouplers offering similar 3.75 kVrms isolation. Verify pinout compatibility and package dimensions to ensure mechanical fit without redesigning the printed circuit board layout.

Transistor, Photovoltaic Output Optoisolators FAQ

What is the isolation voltage rating of the IS181C?

The IS181C has an isolation voltage rating of 3.75 kVrms.

Does the IS181C support AC input signals directly?

No, the IS181C is specified for DC input current.