161CMQ035

Overview

The 161CMQ035 is a Schottky diode array manufactured by SMC Diode Solutions, housed in a TO-249AA chassis mount package. It features one pair of common cathode diodes with a maximum DC reverse voltage (Vr) of 35 V and an average rectified forward current (Io) of 80 A per diode. The device exhibits a maximum forward voltage (Vf) of 1.17 V at 160 A and a maximum reverse leakage current of 1.5 mA at 35 V. Operating junction temperature ranges from -55°C to 175°C.

Feature Summary

• Schottky barrier technology for low forward voltage drop and high efficiency
• Common cathode configuration simplifies circuit design for dual-diode applications
• Chassis mount packaging facilitates direct attachment to heatsinks for thermal management

Applications

• High-current DC power supply rectification
• Free-wheeling diodes in motor drive circuits
• Reverse polarity protection in automotive systems

Procurement Notes

Verify the specific manufacturer source when sourcing this component, as historical data indicates availability from both Vishay General Semiconductor and SMC Diode Solutions. Confirm the active status and RoHS compliance details directly with the supplier, as lifecycle information may vary between original and current manufacturing sources. Ensure the TO-249AA package dimensions match your mechanical constraints before procurement.

Selection Notes

Select this component for applications requiring robust high-current handling with low conduction losses. The 35 V rating suits low-voltage DC bus applications. Consider the thermal resistance characteristics inherent to the TO-249AA package when designing the heat dissipation system. Ensure the operating junction temperature remains within the specified -55°C to 175°C range under all expected load conditions.

Part Context

This part belongs to the CMQ series of Schottky diode modules designed for high-power density applications. The TO-249AA package provides a balance between electrical performance and mechanical mounting flexibility. It serves as a discrete solution for replacing larger discrete diode assemblies or lower-performance integrated modules in industrial and automotive power electronics.

Replacement Considerations

The 160CMQ035 is listed as a similar substitute option. Verify pinout compatibility and thermal specifications before substitution.