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Product shot of Wolfspeed's MOD-PWR-MM, a MOSFET modular accessory board (power daughter card) in a TO-247-4 package designed for Wolfspeed's SpeedVal Kit modular evaluation platform.

TO-247-4 package


Half-Bridge arrangement with high-bandwidth current sensing in a TO-247-4 package
Wolfspeed's MOD-PWR-MM-C3M0120065K is a 650 V and 120 mΩ MOSFET modular accessory board in a TO-247-4 package designed for Wolfspeed's SpeedVal Kit Modular Evaluation Platform. Silicon Carbide MOSFETs in a TO-247-4 package can provide the highest power levels and offer flexibility in system design and heatsinking. The SpeedVal Kit TO-247-4 power daughter cards feature two MOSFETs arranged in a half-bridge configuration. The unique card edge interface provides low inductance while greatly simplifying the process of swapping out components, enabling high-quality measurements and quick comparisons between different devices. Power Daughter Cards are optimized for making accurate high-bandwidth current and voltage measurements. ​ An on-board current shunt can be optimized for highly accurate dynamic switching tests, or high-power thermal testing. The coaxial MMCX connectors for VGS and IDS and BNC connectors for VDS provide noise-free measurements to improve accuracy and simplify gate drive optimization. ​ The power daughter cards include a pre-assembled heatsink which aligns with a fan on the motherboard to enable high-power testing. ​


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SpeedVal™ Kit Modular Evaluation Platform​ Power Daughter Cards – TO-247-4

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SpeedVal™ Kit Modular Evaluation Platform​ Power Daughter Cards – TO-247-4

Product SKU
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User Guide
Design Files
Upper Devices
Lower Devices
Blocking Voltage
RDS(ON) at 25°C
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650 V
120 mΩ

Product Details

  • Gate resistors onboard​
  • Heatsink preassembled on board​
  • BNC connector for lower VDS measurement​
  • MMCX connectors for VGS and IDS measurement​
  • Miller clamp transistor supported​
  • High-Bandwidth current sensor
What's Included
  • Power Daughter Card​
  • Complete design files

Documents, Tools & Support


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User Guide
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This document details the production packaging details including container type, quantity, MOQ, and dimensions as well as the moisture sensitivity level (MSL) for discrete SiC Schottky Diodes and MOSFETs
Sales Terms

SpeedVal Kit Videos

Unboxing Wolfspeed’s SpeedVal Kit​

What’s in the box? Join Wolfspeed Global Distribution Technical Manager Nick Powers as he unboxes the SpeedVal Kit Modular Evaluation Platform and highlights the advantages of using this flexible set of power building blocks for in-circuit evaluation of power system performance.

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Design Resources

Analyzing Transient Behavior Using a Double Pulse Test Simulation in LTspice

See how Wolfspeed LTspice models can make designing with silicon carbide in power electronics systems more efficient, cost-effective, and accurate. Get started optimizing your system design, without the need for physical samples or test kits.
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