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The STGD3NC120H-1 is an N-channel IGBT from STMicroelectronics, designed for high-frequency applications. It features a maximum collector-emitter voltage (Vceo) of 1200 V and a continuous collector current (Ic) of 3 A. The device operates within a temperature range of -55°C to 150°C and has a maximum power dissipation (Pd) of 18 W. Packaged in a TO-220 through-hole housing with three pins, it exhibits a switching speed of 1 MHz. Key electrical parameters include a maximum gate-emitter voltage (Vgeo) of 20 V and a collector-emitter saturation voltage (VceSAT) of 3.5 V.
Verify the specific ordering suffix against official datasheets to confirm exact electrical characteristics and package variations. Ensure compatibility with existing thermal management designs due to the TO-220 form factor. Cross-reference manufacturer part numbers directly to avoid substitution errors in critical high-frequency circuits.
Select this component for designs requiring high switching frequencies up to 1 MHz with moderate current handling capabilities. The 1200 V rating suits medium-voltage industrial applications. Consider the 18 W power dissipation limit when designing heatsinking solutions for continuous operation at elevated ambient temperatures.
This device belongs to the PowerMESH IGBT family, utilizing patented strip layout technology for advanced performance. The 'H' suffix indicates optimization for high-frequency applications, balancing fast switching with low conduction losses. It represents a specialized variant within ST's broader IGBT portfolio tailored for resonant and high-speed converter designs.
Direct substitutes may include other STMicroelectronics PowerMESH IGBTs with similar voltage and current ratings, such as the STGF3NC120HD or STGP3NC120HD, provided pinout and thermal characteristics match. Verify switching times and Vce(sat) values carefully before replacement.