83CNQ100

Overview

The 83CNQ100 is a high-voltage Schottky barrier rectifier manufactured by SMC Diode Solutions. It features a dual common cathode configuration housed in a TO-263AB (D2PAK) surface-mount package. The device is rated for a repetitive peak reverse voltage of 100V and an average forward rectified current of 83A per leg at a case temperature of 150°C. Key electrical characteristics include a maximum DC blocking voltage of 100V, a non-repetitive peak surge current capability of 400A, and a low forward voltage drop typical of 0.75V at 83A. The component utilizes a planar metal-silicon construction to ensure robust performance under high-temperature conditions.

Feature Summary

• Dual common cathode configuration for bridgeless PFC or full-wave rectification applications
• Planar metal-silicon construction for enhanced reliability and thermal stability
• Low forward voltage drop to minimize conduction losses and heat generation
• Surface-mount TO-263AB package design optimized for automated assembly and efficient heat dissipation

Applications

• Bridgeless Power Factor Correction (PFC) circuits in power supplies
• High-efficiency AC/DC adapters and chargers
• Industrial power conversion systems requiring high current handling
• Uninterruptible Power Supply (UPS) output rectification stages

Procurement Notes

Verify the specific suffix code on the ordering information to confirm the exact lead frame finish and packaging type, as these details may vary between tape-and-reel and tube configurations. Ensure that the procurement documentation explicitly references the SMC Diode Solutions datasheet for the 83CNQ100 to validate the thermal resistance values and maximum ratings against your system requirements before finalizing orders.

Selection Notes

Select this component when designing systems that require high current capacity with low forward voltage drop in a surface-mount form factor. The dual common cathode arrangement makes it suitable for replacing discrete diode bridges in space-constrained designs. Consider the thermal management capabilities of the TO-263AB package and ensure adequate PCB copper area is allocated for heat sinking to maintain junction temperatures within safe operating limits during continuous operation.

Part Context

This device belongs to the series of high-current Schottky rectifiers designed for modern power electronics. It addresses the industry trend toward higher efficiency and compactness in power conversion equipment. The TO-263AB package provides a balance between current carrying capability and board space efficiency, serving as a critical component in next-generation power supplies where thermal performance and switching efficiency are paramount.

Replacement Considerations

When evaluating substitutes, verify that the alternative part matches the 100V reverse voltage rating and supports at least 83A average current in a dual common cathode topology. Ensure the replacement maintains comparable forward voltage characteristics and thermal resistance values to prevent overheating. Confirm that the pinout configuration is identical to avoid PCB redesign efforts.