This is a kind of IGBT. The IGBT is insulated-gate bipolar transistor.
Part Number: GT30J127
Function: 600V, 200A, IGBT
Package: TO-220SIS Type
The manufacturers of this product is Toshiba.
See the preview image and the PDF file for more information.
Image :
Description
30J127 transistor is 600V, 200A, 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).
They are also used in applications where high voltage and high current are required, such as in welding equipment and induction heating.
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.
Features
1. PDP sustain, energy recovery and separation circuits
Applications : Plasma display panels
Construction
The basic structure of the planar IGBT consists of four layers (pnpn), as shown in the following figure. Low saturation voltage is achieved by using a pnp transistor to allow conductivity modulation during conduction.
30J127 Pinout

Features of the Toshiba Discrete IGBTs
The Toshiba discrete IGBTs are available in high-voltage and high-current ratings. They are used in inverter and power conversion circuits for such diverse applications as motor drivers, uninterruptible power supply (UPS) systems, IH cookers, plasma display panels (PDPs), strobe flashes and so on.
(1) IGBTs also featuring fast switching
(2) Low collector-emitter saturation voltage even in the large current area
(3) IGBTs featuring a built-in diode with optimal characteristics tailored to specific applications
(4) High input impedance allows voltage drives
(5) Available in a variety of packages
30J127 Datasheet PDF Download
Other data sheets are available within the file: GT45F127, GT30F125, GT30G124, GT30G125, GT45G128
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