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The AOK40B120N1 is a 1200V, 40A Alpha IGBT in a TO-247 package. It features VCE(sat) of 1.97V at TJ=25°C and 2.55V at TJ=125°C. Continuous collector current is 80A at TC=25°C and 40A at TC=100°C. The device supports a maximum short-circuit withstand time of 10µs. Switching parameters at TJ=175°C include Eon of 3.4mJ, Eoff of 1.4mJ, and total switching energy of 4.8mJ. Gate charge (Qg) is 100nC. Thermal resistance RθJC is 0.25°C/W for the IGBT and 0.4°C/W for the diode.
Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct packaging and compliance status. Confirm that the component meets all relevant RoHS requirements before integration into the final assembly. Cross-reference the part number with the most recent datasheet revision to validate electrical characteristics and thermal limits.
Select this component for applications requiring high efficiency and ruggedness in hard switching converters. Ensure the operating junction temperature remains within the specified -55°C to 175°C range. Evaluate the thermal management strategy based on the provided transient thermal impedance curves to maintain safe operating area conditions during pulsed operations.
This component belongs to the Alpha IGBT family from Alpha & Omega Semiconductor Inc. It is designed as a general-purpose power switch suitable for medium-power industrial applications. The TO-247 form factor facilitates through-hole mounting and effective heat dissipation via the case terminal.
No public confirmed substitute part numbers are available in the source material.
The maximum short-circuit withstand time is 10µs, limited by the maximum junction temperature.
The typical total gate charge (Qg) is 100nC under standard test conditions.
Yes, it includes a soft and fast recovery anti-parallel diode.