FODM2701R4

Overview

The FODM2701R4 is a single-channel transistor output optocoupler manufactured by onsemi. It features an NPN phototransistor output and operates within a surface-mount 4-SMD package. The device provides high isolation with a rated voltage of 3750 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 40 V, a maximum collector current of 80 mA, and a forward current rating of 50 mA. The typical rise and fall times are both 3 µs. The unit supports a wide operating temperature range from -40°C to +110°C.

Feature Summary

• Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor configuration.
• Features fast switching performance with typical rise and fall times of 3 microseconds for signal transmission applications.
• Offers high insulation voltage capability of 3750 Vrms to ensure safety in isolated power systems.

Applications

• General-purpose signal isolation in industrial control systems
• Interface circuits for microprocessor-based logic systems
• Power supply feedback loop isolation

Procurement Notes

Verify the specific suffix R4 corresponds to the tape and reel packaging format required for automated assembly processes. Confirm that the component meets RoHS3 compliance standards as indicated in official documentation. Ensure the ordering part number matches the exact manufacturer designation to avoid discrepancies in lead times or specifications during procurement.

Selection Notes

Select this component when a compact surface-mount solution is required for isolating low-voltage digital signals. The 4-SMD footprint suits space-constrained designs. Consider the 3750 Vrms isolation rating for safety requirements. Verify that the 80 mA collector current capacity meets the load requirements of the receiving circuitry before finalizing the design.

Part Context

This device belongs to the FODM2701 series, which includes variants such as FODM2701AR2V. These components are designed for general-purpose isolation tasks. The series utilizes proprietary process technology to ensure consistent performance across different manufacturing batches and packaging options.

Replacement Considerations

Direct substitutes may include other single-channel transistor output optocouplers with similar pinouts and isolation ratings. Verify compatibility regarding package dimensions, thermal characteristics, and electrical parameters such as CTR and switching speeds before substitution.