SFH620A-3X016

Overview

The SFH620A-3X016 is a single-channel transistor output optocoupler manufactured by Vishay Semiconductor Opto Division. It features an NPN phototransistor output and utilizes a through-hole PDIP-4 package. The device provides high isolation with a rated insulation voltage of 5300 Vrms. Key electrical parameters include a maximum collector-emitter voltage of 70 V, a maximum collector current of 100 mA, and a power dissipation rating of 250 mW. The forward current is specified at 60 mA with a forward voltage of 1.65 V. The current transfer ratio ranges from 100% to 320%. Switching characteristics include a rise time of 2 µs and a fall time of 2 µs. The component operates within a temperature range of -55°C to +100°C.

Feature Summary

• High isolation voltage capability of 5300 Vrms for reliable circuit separation
• Fast switching performance with symmetric rise and fall times of 2 µs
• High current transfer ratio ranging from 100% to 320%
• Robust output stage supporting up to 100 mA collector current

Applications

• AC mains input detection circuits
• Solid-state relay driver interfaces
• Microcontroller isolation for digital signal transmission
• Power supply feedback loop isolation

Procurement Notes

Verify the specific suffix X016 against the manufacturer's official datasheet to confirm packaging details and binning specifications. Ensure that the DIP-4 through-hole package aligns with the target PCB footprint and assembly process requirements. Cross-reference the current transfer ratio range (100-320%) with application sensitivity needs. Confirm compliance with relevant safety standards for the intended isolation voltage class before finalizing procurement orders.

Selection Notes

Select this component when high isolation voltage and fast response are required in a through-hole configuration. The 100 mA collector current capacity supports direct driving of low-power loads or relay coils without additional amplification. The wide operating temperature range ensures stability in harsh environments. Compare against surface-mount alternatives like the SFH620AGB series if space constraints dictate SMD usage, noting the difference in thermal dissipation capabilities between tube and reel packaging formats.

Part Context

This part belongs to the SFH620A family of transistor output optocouplers designed for general-purpose isolation applications. It shares core electrical characteristics with variants such as the SFH620A-3 but differs in packaging and trailing digits indicating specific manufacturing or testing criteria. The family is characterized by low coupling capacitance and high CTR, making it suitable for efficient signal transfer across isolation barriers while maintaining compact physical dimensions in standard DIP packages.

Replacement Considerations

• SFH620A-3
• SFH620A-3X006

FAQ

What is the maximum collector current for the SFH620A-3X016?

The maximum collector current is 100 mA.

Does the SFH620A-3X016 support AC input signals directly?

Yes, the device is described as suitable for AC input applications due to its transistor output configuration and isolation capabilities.