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Product Detailed Parameters
- Description：SOT-227 - LOW SIDE CHOPPER IGBT
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tube
- IGBT Type：Trench Field Stop
- Configuration：Single Chopper
- Vce(on) (Max) @ Vge, Ic：2.8V @ 15V, 50A
- Input：Standard
- NTC Thermistor：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Chassis Mount
- Package / Case：SOT-227-4, miniBLOC
- Supplier Device Package：SOT-227
- Voltage - Collector Emitter Breakdown (Max)：1200 V
- Current - Collector (Ic) (Max)：68 A
- Power - Max：291 W
- Current - Collector Cutoff (Max)：50 µA
- Input Capacitance (Cies) @ Vce：-
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Overview
The VS-GT55LA120UX is a low side chopper IGBT module utilizing Trench IGBT technology and an integrated HEXFRED clamping diode. It features a 1200 V collector-emitter breakdown voltage (VBR(CES)) and a continuous collector current (IC) of 47 A at 80 °C case temperature, with a maximum pulsed collector current (ICM) of 150 A. The typical saturation voltage (VCE(on)) is 2.39 V at 50 A and 25 °C. The device operates within a junction temperature range of -40 °C to 150 °C and provides 2500 V RMS isolation between any terminal and the case.
Feature Summary
- Trench IGBT technology providing a square Reverse Bias Safe Operating Area (RBSOA)
- Integrated HEXFRED clamping diode for fast recovery characteristics
- Positive VCE(on) temperature coefficient facilitating easy parallel operation
- Fully isolated SOT-227 package designed for direct heatsink mounting
Applications
- Uninterruptible Power Supplies (UPS)
- Switch Mode Power Supplies (SMPS)
- Induction heating systems
- Welding equipment
Procurement Notes
Verify component authenticity by cross-referencing the document number 96778 and revision date 26-Jul-2021 against official Vishay channels. Confirm that the ordering code matches the specific circuit configuration and speed rating required for the target application before finalizing acquisition.
Selection Notes
Select this component for high-frequency applications operating between 8 kHz and 60 kHz where low internal inductance is critical. Ensure thermal management accommodates the specified junction-to-case thermal resistance values to maintain performance within the defined safe operating area limits under varying load conditions.
Part Context
This module belongs to the VS-GT series of power modules from Vishay Semiconductors. It utilizes the industry-standard SOT-227 outline, allowing it to serve as a plug-in compatible replacement for existing designs without requiring PCB layout modifications. The UL approved file E78996 indicates compliance with specific safety standards.
Replacement Considerations
The datasheet identifies this module as a plug-in compatible alternative to other SOT-227 packages. Designers can utilize it directly in existing layouts to integrate Trench IGBT technology without altering the printed circuit board geometry.
FAQ
What is the typical total switching loss at 125 °C?
At a junction temperature of 125 °C, with IC = 50 A, VCC = 600 V, and Rg = 4.7 Ω, the total switching loss (Etot) is typically 6.4 mJ.
Does the device support parallel operation?
Yes, the positive VCE(on) temperature coefficient allows for easy assembly and parallel operation of multiple units.
What is the maximum clamped inductive load current?
The absolute maximum rating for clamped inductive load current (ILM) is 250 A.
