SFH601-3X017

Overview

The SFH601-3X017 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor with a base connection for enhanced switching speed and stability. The device provides 5000 Vrms isolation voltage between input and output circuits. Key electrical parameters include a forward current of 60 mA, a forward voltage of 1.65 V, and a collector-emitter saturation voltage of 400 mV maximum. The current transfer ratio ranges from 100% to 200%. It supports a maximum collector current of 50 mA and a collector-emitter voltage of 100 V. Power dissipation is rated at 150 mW, with an operating temperature range from -55°C to +100°C.

Feature Summary

• Integrates an NPN phototransistor with a dedicated base terminal to improve switching performance and reduce storage time.
• Provides high-voltage isolation capability suitable for separating noisy digital or analog circuits.
• Offers a wide operating temperature range for reliable performance in demanding industrial environments.

Applications

• Industrial control systems requiring signal isolation
• Computer peripheral interface circuits
• Power supply feedback loops

Procurement Notes

Verify the specific suffix X017 against the manufacturer's latest datasheet to confirm package type and pinout configuration. Ensure that the component status is checked, as availability may vary. Confirm RoHS compliance requirements if applicable to your assembly process. Cross-reference the part number with authorized distributors to avoid counterfeit components.

Selection Notes

Select this component when a phototransistor output with base access is required for faster switching than standard variants. Consider the 5000 Vrms isolation rating for safety-critical applications. Evaluate the 100-200% CTR range to ensure adequate drive capability for the load circuit. Compare power dissipation limits against thermal constraints in the final enclosure design.

Part Context

This part belongs to the SFH601 series of transistor output optocouplers. It shares functional similarities with other Vishay optocouplers but is distinguished by its specific base-connected phototransistor architecture. The series is designed for general-purpose isolation tasks where moderate speed and high reliability are prioritized over extreme speed or logic-level outputs.

Replacement Considerations

Public confirmed substitute part numbers: SFH601-3, SFH601-3X017T.