This post explains for the IGBT.
The Part Number is FGA25N120AN.
The function of this semiconductor is 1200V, 25A, IGBT.
The package is TO-3P Type
Manufacturer: Fairchild Semiconductor
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The FGA25N120AN is 1200V, IGBT. IGBT stands for Insulated-Gate Bipolar Transistor. It is a type of power semiconductor device that combines the advantages of bipolar transistors (high voltage and current handling capability) and field-effect transistors (fast switching and low on-state resistance).
An IGBT consists of a P-N-P-N structure with an insulated gate, which is used to control the flow of current between the emitter and collector terminals. When a positive voltage is applied to the gate terminal, it creates a conducting channel between the emitter and collector, allowing current to flow.
These advantages include high voltage and current handling capability, fast switching speed, low switching losses, and low on-state resistance.
Employing NPT technology, Fairchild’s AN series of IGBTs provides low conduction and switching losses. The AN series offers an solution for application such as induction heating (IH), motor control, general purpose inverters and uninterruptible power supplies (UPS).
• High speed switching
• Low saturation voltage : VCE(sat) = 2.5 V @ IC = 25A
• High input impedance
1. Induction Heating, UPS, AC & DC motor controls and general purpose inverters.