LOC111S

Transistor, Photovoltaic Output Optoisolators Overview

The Littelfuse LOC111S is a single-channel linear optocoupler featuring an infrared LED optically coupled with two photodiodes. It provides high gain stability and low input-to-output capacitance, enabling precise analog and digital signal coupling. The device supports a bandwidth exceeding 200 kHz and offers typical total harmonic distortion of -87 dB with 0.01% servo linearity. It operates with low power consumption and includes high isolation voltage ratings.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Infrared LED optically coupled with two photodiodes for feedback control
• High gain stability ensuring consistent signal transmission
• Low input-to-output capacitance for minimal interference
• Compatible with VDE standards for safety isolation

Transistor, Photovoltaic Output Optoisolators Applications

• Servo loop control systems
• Audio signal processing circuits
• Precision measurement instrumentation
• Industrial automation feedback loops

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix 'S' indicates surface mount packaging when ordering. Confirm the datasheet revision matches your design requirements. Ensure compatibility with existing PCB footprints. Check for any updated environmental compliance certifications before finalizing procurement. Validate isolation voltage ratings against system safety standards.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component for applications requiring high linearity and wide bandwidth. Consider the dual photodiode architecture for improved feedback accuracy. Evaluate thermal performance under continuous operation. Compare isolation voltage requirements with system constraints. Assess pinout compatibility with existing circuit designs.

Transistor, Photovoltaic Output Optoisolators Part Context

The LOC111S belongs to the LOC111 series of linear optocouplers from Littelfuse. This series is designed for high-performance analog signal transmission. The family emphasizes precision and stability in isolated environments. Other variants may differ in package type or specific electrical tolerances.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Direct substitutes within the LOC111 series should be verified for pin compatibility. Cross-reference electrical parameters such as bandwidth and isolation voltage. Ensure equivalent thermal characteristics are maintained. Consult manufacturer documentation for approved alternative part numbers.