SFH6186-3X002

Overview

The SFH6186-3X002 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and utilizes surface-mount SMD-4 packaging for through-hole or surface mounting applications. The device provides high isolation with a rated insulation voltage of 5300 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 55 V, a maximum collector current of 100 mA, and a power dissipation of 150 mW. The forward voltage is specified at 1.5 V with a maximum forward current of 60 mA. The current transfer ratio ranges from 100% to 200%. Switching characteristics include a typical rise time of 3.5 µs and a fall time of 5 µs. The component operates within a temperature range of -55°C to +100°C.

Feature Summary

• Provides galvanic isolation between input and output circuits using an infrared LED and NPN phototransistor configuration.
• Offers high dielectric strength with a rated insulation voltage of 5300 Vrms for safety-critical signal transmission.
• Features a compact 4-SMD package design suitable for automated surface-mount assembly processes.

Applications

• Signal isolation in industrial control systems
• Interface circuits for microprocessors and logic systems
• Power supply feedback loops

Procurement Notes

Verify the specific suffix X002 against official Vishay documentation to confirm exact binning and packaging specifications. Ensure that the procurement source provides valid RoHS compliance certificates as required for regulatory adherence. Cross-reference the manufacturer part number with authorized distributor lists to avoid counterfeit components. Confirm that the delivered units match the stated 4-SMD package dimensions and pinout configuration before integration into production.

Selection Notes

Select this component when high isolation voltage requirements exceed standard optocoupler capabilities. The 100-200% current transfer ratio ensures reliable signal transmission at low input currents. Consider the 55 V collector-emitter voltage limit for appropriate circuit design margins. The wide operating temperature range supports deployment in harsh environmental conditions. Verify compatibility with available PCB footprint designs for the 4-SMD package type.

Part Context

This part belongs to the SFH6186 series of transistor output optocouplers from Vishay. The series offers various current transfer ratio bins to accommodate different sensitivity requirements. The SFH6186-3 variant specifically targets applications requiring moderate gain levels. The X002 suffix denotes a specific manufacturing lot or packaging configuration within the broader product family. This component serves as a standard solution for digital signal isolation in electronic equipment.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Direct replacement requires matching the 4-SMD package, 5300 Vrms isolation rating, and NPN phototransistor output characteristics. Verify pin compatibility and thermal performance before substituting with other manufacturers' offerings.