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Microchip Technology MSC040SMA120B High-Voltage Power MOSFET

The Microsemi MSCO40SMA120B is a high-voltage silicon carbide (SiC) N-channel power MOSFET designed for industrial applications. Operating at 1200 V, it features low gate charge, fast switching speeds, and high thermal stability, making it ideal for PV inverters, motor drives, and smart grid systems. Its robust avalanche ruggedness and low on-resistance improve efficiency and system reliability. The TO-247 package ensures effective heat dissipation, while its simple drive requirements support parallel operation and system integration, reducing overall costs.

Authorized Distributors
Source:Newark
Part No:MSC040SMA120B
Stock:30
Inv Date:06-03-2026
Price: Unit price: $7.25
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Source:DigiKey
Part No:MSC040SMA120B
Stock:3
Inv Date:06-03-2026
Price: Unit price: $24.23
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Part No:MSC040SMA120B
Stock:169
Inv Date:06-04-2026
Price: Unit price: $24.23
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Part No:MSC040SMA120B
Stock:0
Inv Date:06-03-2026
Price: Unit price: $29
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Part No:MSC040SMA120B
Stock:0
Inv Date:06-03-2026
Price: Unit price: $29
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Part No:MSC040SMA120B
Stock:0
Inv Date:06-03-2026
Price: Unit price: $19.39
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Part No:MSC040SMA120B
Stock:2
Inv Date:06-04-2026
Price: N/A
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Microchip Technology MSC040SMA120B High-Voltage Power MOSFET Specifications:

  • Drain-source voltage: 1200 V
  • Continuous drain current at 25°C: 66 A
  • Pulsed drain current: 105 A
  • Gate-source voltage: ±23 V
  • Total power dissipation at 25°C: 323 W
  • Junction-to-case thermal resistance: 0.31 °C/W
  • Operating junction temperature: -55°C to 175°C
  • Storage temperature: -55°C to 150°C
  • Soldering temperature for 10 seconds: 260°C
  • Body diode forward voltage: 39–41 V
  • Reverse recovery time: 31 ns
  • Gate charge: 137 nC
  • Package weight: 0.22 oz

Buy the Microsemi MSC040SMA120B – Reliable Power MOSFET for Industrial Applications

Order the Microsemi MSC040SMA120B now for high-performance power switching in industrial systems. Its 1200 V rating, low gate charge, and robust thermal design enable efficient, reliable operation in PV inverters, motor drives, and smart grid applications. The TO-247 package facilitates excellent heat dissipation, reducing system complexity and costs. Perfect for engineers seeking a durable, easy-to-drive MOSFET capable of handling demanding high-voltage environments with minimal switching losses and guaranteed performance. Purchase online today for quick delivery and seamless integration.

Get Microsemi MSC040SMA120B today—built for high-voltage efficiency and long-lasting durability.

Frequently Asked Questions

Where can I buy Microchip Technology MSC040SMA120B?

You can click on the BUY or RFQ button to purchase MSC040SMA120B from an authorized Microchip Technology distributor.

How do I troubleshoot issues or seek technical support for part MSC040SMA120B?

You can download the MSC040SMA120B datasheet or visit the Microchip Technology website for support.

Who is the manufacturer of MSC040SMA120B?

Microchip Technology

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