12CTQ035S

Overview

The 12CTQ035S is a common cathode dual Schottky rectifier manufactured by SMC Diode Solutions. It integrates two independent Schottky diodes within a single surface-mount package, designed for high-efficiency power conversion applications. The device features a maximum repetitive peak reverse voltage of 35V and a total average forward rectified current rating of 12A at a case temperature of 86°C. Each individual diode conducts up to 6A. The component utilizes a low-profile Super SMB (DO-214AA) package, providing robust mechanical stability and efficient thermal dissipation capabilities suitable for compact circuit designs.

Feature Summary

• Low forward voltage drop characteristic enhances overall system efficiency and reduces power loss during conduction.
• Common cathode configuration simplifies circuit layout by integrating two diodes into a single compact package.
• Constructed with metal-semiconductor junction technology to ensure fast switching speeds and minimal reverse recovery time.
• Encapsulated in a lead-free, halogen-free compliant package that supports automated surface-mount assembly processes.

Applications

• DC-to-DC converter modules requiring efficient synchronous rectification
• Power supply units for consumer electronics and industrial equipment
• Free-wheeling diode applications in motor drive circuits

Procurement Notes

Verify the specific suffix code on the component marking to confirm the exact tape-and-reel quantity and packaging variant, as these details are defined by the manufacturer's ordering information. Ensure that the procurement documentation explicitly states compliance with RoHS directives and confirms the absence of halogenated flame retardants. Cross-reference the date code and lot number against the supplier's certificate of conformity to validate authenticity and traceability before finalizing acquisition.

Selection Notes

Select this component when designing circuits that require a combined 12A current handling capability with a 35V blocking voltage rating in a space-constrained environment. The common cathode arrangement is optimal for half-bridge or full-bridge topologies where shared ground connections are preferred. Evaluate the thermal resistance characteristics relative to the PCB copper area to ensure the junction temperature remains within safe operating limits under continuous load conditions.

Part Context

This device belongs to SMC Diode Solutions' portfolio of surface-mount Schottky barrier rectifiers engineered for high-frequency switching applications. The Super SMB package offers a footprint comparable to standard DO-214AA components while delivering higher current ratings than smaller packages. This series is widely utilized in modern power management architectures where size reduction and thermal performance are critical design constraints.

Replacement Considerations

Consult official substitution guides for equivalent parts offering identical pin configurations and electrical specifications. Verify that any alternative component maintains the same 35V reverse voltage rating and 12A total current capacity. Confirm physical compatibility with existing PCB footprints and soldering profiles to prevent mechanical or thermal stress issues during assembly.