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FGH40T120SMD

1200V 40A N-ch IGBT, VCE(sat) 2.1V, SMD-1 package, motor drive / inverter

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Manufacturer Part：

FGH40T120SMD

Package：

SMD-1 (TO-247 SMD) (15.8 x 21.0 x 4.8 mm)

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Description

Product Overview

The FGH40T120SMD from onsemi is a 1200V, 40A N-channel IGBT in an SMD-1 package. Using punch-through technology, it achieves VCE(sat) of 2.1V max at 40A, making it suitable for motor drive inverters and power converters up to 20kHz switching frequency.

Key Specifications

VCE 1200V
IC (Continuous) 40A @ Tc=25°C
VCE(sat) Max 2.1V @ IC=40A
VGE(th) 4.5V ~ 6.5V
Switching Fall Time 140ns typical
Power Dissipation 250W @ Tc=25°C
Package SMD-1
Operating Temperature -55°C to +150°C

Features

  • 1200V collector-emitter voltage rating
  • 40A continuous collector current
  • Low VCE(sat) of 2.1V for efficient conduction
  • Punch-through IGBT technology for fast switching
  • Square RBSOA
  • 10us short-circuit withstand time

Applications

  • Motor drive inverter power stage
  • Solar inverter switching element
  • Welding equipment power converter
  • UPS switching stage
  • Induction heating systems

The FGH40T120SMD from onsemi is a 1200V, 40A N-channel IGBT in an SMD-1 surface-mount package. It uses punch-through (PT) IGBT technology optimized for medium-frequency switching up to approximately 20kHz. The low VCE(sat) of 2.1V at 40A minimizes conduction losses in motor drive and inverter applications. The IGBT combines the voltage-driven gate of a MOSFET with the low forward drop of a bipolar transistor. The SMD-1 package provides surface-mount capability while maintaining good thermal performance.

The FGH40T120SMD is an N-channel IGBT combining a MOSFET input with a PNP bipolar output. When VGE exceeds the threshold (4.5-6.5V), the MOSFET channel conducts, providing base current to the PNP transistor which amplifies the current. During turn-off, the MOSFET channel stops immediately, but PNP stored charge causes a current tail (140ns typical fall time). Punch-through technology uses an N+ buffer layer to limit the electric field, allowing a thinner drift region and lower VCE(sat).

Pin Name Type Function
1 Gate Input Gate control terminal
2 Collector Output Collector terminal (high voltage)
3 Emitter Power Emitter terminal
  • AC motor drive inverter (3-phase, 380-690V input)
  • Solar string inverter power stage (up to 1000V DC bus)
  • Welding machine inverter converter
  • Uninterruptible power supply (UPS) switching stage
  • Induction heating and induction cooking
Manufacturer Part Number Package Notes
Infineon IKW40N120T2 TO-247 1200V, 40A IGBT
onsemi FGH40T120SMD-F085 SMD-1 Optimized for 8kHz switching
ST STGW40NC120VD TO-247 1200V, 40A, fast IGBT
Infineon IGW40N120H3 TO-247 1200V, 40A, TRENCHSTOP
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All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Shipping & Payment

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

Service & Packaging

All electronic components we source from our partnered supply chains go through strict incoming inspections.Through careful testing, we ensure everything delivered to customers is genuine original parts and meets quality requirements.In addition, we keep complete inspection records to make the entire supply chain process clear and traceable.

Certification
We have obtained a number of professional certifications and built our own professional testing laboratory.This ensures that every product we deliver to our customers meets the highest quality requirements.We conduct tests in strict accordance with procedures to ensure stable product quality and accurate parameters.To guarantee genuine original parts, we also cooperate with reliable third-party testing institutions for strict quality inspection.We always attach great importance to quality and fully comply with industry standards, relevant regulations, and ISO 9001:2015 requirements.

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