EAB450M12XM3

Overview

The Wolfspeed EAB450M12XM3 is an automotive-qualified, all-SiC half-bridge power module utilizing third-generation conduction-optimized MOSFET technology. It features a high-power-density footprint with dimensions of 80 x 53 x 19 mm and weighs 175 g. The device supports a drain-source voltage (VDS) of 1200 V and a continuous drain current (ID) of 450 A at 25 °C case temperature. Key electrical parameters include a typical on-state resistance (RDS(on)) of 2.6 mΩ at 25 °C and a maximum gate-source voltage (VGS max) of +19 V transient. The module operates up to a virtual junction temperature (TVJ op) of 175 °C and incorporates a silicon nitride insulator for mechanical robustness.

Feature Summary

• Implements Wolfspeed's third-generation SiC MOSFET technology optimized for low conduction losses.
• Features a compact XM3 package design that reduces weight and volume by approximately half compared to standard 62 mm modules.
• Includes integrated isolated NTC temperature sensors for precise thermal monitoring and protection.
• Provides dedicated Kelvin-drain pins to enable direct voltage sensing for accurate overcurrent detection.

Applications

• Motor Drives and Traction Drives
• Vehicle Fast Chargers
• Automotive Test Equipment

Procurement Notes

Verify the specific revision level against the latest official datasheet before finalizing designs. Confirm that the intended application environment meets the specified operating temperature range and mounting torque requirements. Ensure compatibility with recommended gate driver configurations and cooling solutions to maintain safe junction temperatures during operation.

Selection Notes

Select this component when system constraints require high power density and reduced parasitic inductance. The XM3 form factor is suitable for applications where space and weight are critical factors. Designers should account for the specific thermal impedance characteristics and derating curves provided in the datasheet to ensure reliable performance under varying load conditions.

Part Context

This module belongs to the Wolfspeed XM3 family of half-bridge power modules. It represents an evolution in automotive-grade SiC packaging, offering improved reliability through silicon nitride substrates. The XM3 platform is designed to simplify system integration while maximizing efficiency in high-power conversion applications.

Replacement Considerations

Direct replacements within the same XM3 series may include variations in current rating or on-resistance, such as the CAB450M12XM3. However, substitution requires careful verification of pinout compatibility, thermal interface material specifications, and qualification levels to ensure equivalent system performance.

FAQ

What is the stray inductance value of the EAB450M12XM3 module?

The stray inductance between terminals 2 and 3 is typically 6.7 nH at a frequency of 10 MHz.

Does the module include built-in temperature sensing?

Yes, it includes two integrated NTC temperature sensors (NTC1 and NTC2) with a typical resistance of 4700 Ω at 25 °C.

What is the maximum operating junction temperature?

The module supports a maximum virtual junction temperature (TVJ op) of 175 °C.