VS-20CTQ035-N3

Diode Arrays Overview

The Vishay VS-20CTQ035-N3 is a dual Schottky rectifier in a TO-220AB package. It features a common cathode configuration with a maximum average forward current of 20 A per leg and a peak repetitive reverse voltage of 35 V. The device supports junction temperatures up to 175 °C, ensuring high-temperature reliability. Electrical characteristics include a maximum forward voltage drop of 0.64 V at 10 A and 0.76 V at 20 A (TJ = 25 °C). Reverse leakage current is limited to 2 mA at 25 °C and 15 mA at 125 °C.

Diode Arrays Feature Summary

• Optimized for low reverse leakage current at elevated temperatures
• Proprietary barrier technology enables reliable operation up to 175 °C junction temperature
• High purity epoxy encapsulation provides enhanced mechanical strength and moisture resistance
• Guard ring structure improves ruggedness and long-term reliability

Diode Arrays Applications

• Switching power supplies
• DC-DC converters
• Freewheeling diodes
• Reverse battery protection circuits

Diode Arrays Procurement Notes

Verify the specific ordering suffix against official documentation to confirm compliance status. The -N3 designation indicates halogen-free, RoHS compliant, and totally lead-free construction. Confirm that the component meets all environmental directives required for the target application before finalizing procurement specifications.

Diode Arrays Selection Notes

Select this component when applications require high-temperature stability and low forward voltage drops. Ensure the thermal management design accommodates the specified thermal resistance values. Validate that the 35 V reverse voltage rating aligns with the circuit's peak operating conditions and transient spikes.

Diode Arrays Part Context

This part belongs to the VS-20CTQ... center tap Schottky rectifier series. The series is designed for general-purpose rectification where efficiency and thermal performance are critical. The TO-220AB package facilitates through-hole mounting and heatsinking for effective thermal dissipation in industrial and consumer electronics.

Diode Arrays Replacement Considerations

Direct replacements within the same series include the VS-20CTQ040-N3 and VS-20CTQ045-N3, which offer higher voltage ratings while maintaining identical current and package specifications.

Diode Arrays FAQ

What is the maximum non-repetitive surge current capability?

The device can withstand a peak one-cycle non-repetitive surge current of 1060 A for a 5 μs sine pulse or 265 A for a 10 ms sine pulse.

How does the forward voltage drop vary with temperature?

At 20 A, the forward voltage drop decreases from 0.76 V at 25 °C to 0.68 V at 125 °C, reflecting the typical behavior of Schottky barriers.

Is the component suitable for unclamped inductive switching?

Yes, the datasheet specifies an avalanche energy rating of 13 mJ per leg at TJ = 25 °C with IAS = 2.0 A, indicating suitability for such conditions.