SFH601-3X

Overview

The Isocom Components SFH601-3X is a single-channel optocoupler featuring an infrared LED and NPN phototransistor output. It provides electrical isolation with a maximum forward voltage of 1.65V and supports a maximum input current of 60 mA. The device offers a high current transfer ratio ranging from 100% to 200%. Key electrical parameters include a collector-emitter saturation voltage of 400 mV, a reverse voltage rating of 6 V, and a power dissipation capacity of 150 mW. It ensures robust signal transmission with typical rise and fall times of 3 µs and 14 µs respectively.

Feature Summary

• Provides reliable galvanic isolation between input and output circuits using infrared technology.
• Features a high-speed response profile suitable for digital signal transmission applications.
• Delivers consistent performance across a wide operating temperature range.

Applications

• Industrial control systems requiring circuit isolation
• Power supply units for feedback loop monitoring
• Communication interfaces needing signal integrity

Procurement Notes

Verify the specific suffix variant against the required datasheet specifications before ordering. Confirm that the package type matches the intended PCB layout constraints. Ensure compliance with relevant safety certifications such as UL or VDE if applicable to the end product design. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm availability and authenticity.

Selection Notes

Select this component when a high current transfer ratio is necessary for efficient signal coupling. Consider the 6-pin DIP or SMD package options based on assembly requirements. Evaluate the thermal management needs given the 150 mW power dissipation limit. Compare the switching speed characteristics against system timing requirements to ensure adequate performance margins.

Part Context

This component belongs to the SFH601 series of transistor output optocouplers manufactured by Vishay Semiconductors and distributed by Isocom Components. The series is designed for general-purpose isolation tasks in electronic circuits. It serves as a standard solution for separating low-voltage control signals from higher-voltage load circuits while maintaining signal fidelity.

Replacement Considerations

SFH601-3X007T

FAQ

What is the typical current transfer ratio for this device?

The current transfer ratio typically ranges from 100% to 200% under specified conditions.

Does the device support surface mount installation?

Yes, variants such as SFH601-3X009 are available in surface mount packages like SMD-6.