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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 400V 8.4A GBU
- Series：-
- Mfr：Diotec Semiconductor
- Package：Bulk
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：400 V
- Current - Average Rectified (Io)：8.4 A
- Voltage - Forward (Vf) (Max) @ If：1 V @ 12 A
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Operating Temperature：-50°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, GBU
- Supplier Device Package：GBU
- Grade：-
- Qualification：-
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Overview
The GBU12G-T is a single-phase silicon bridge rectifier manufactured by Diotec Semiconductor. It features a peak repetitive reverse voltage of 400 V and an average forward rectified current of 12 A at 75°C. The device utilizes a GBU-4 through-hole package with solder pin termination, measuring 21.5 mm in length, 3.4 mm in width, and 18.2 mm in height. Key electrical characteristics include a maximum forward voltage drop of 1.1 V and a surge current rating of 270 A. Operating temperatures range from -50°C to +150°C junction temperature.
Feature Summary
- High thermal stability for demanding power conversion environments
- Robust surge current handling capability for transient protection
- UL recognized plastic housing classified as UL94V-0
Applications
- AC-DC power supply units
- Battery chargers
- General-purpose rectification in industrial equipment
Procurement Notes
Verify the specific suffix 'T' against the official Diotec Semiconductor datasheet to confirm bulk packaging specifications. Ensure the component matches the GBU series mechanical dimensions and lead configuration required for the target PCB layout. Cross-reference RoHS compliance status with current regulatory requirements before finalizing procurement orders.
Selection Notes
Select this component when a 400 V blocking voltage and 12 A continuous current are required in a standard GBU footprint. Compare the 1.1 V forward voltage drop against alternative voltages like 200 V or 600 V variants within the same series to optimize efficiency. Verify that the 270 A surge rating exceeds the application's peak inrush current demands.
Part Context
This part belongs to the Diotec GBU/S/U/V series of silicon bridge rectifiers. These components share common mechanical dimensions and mounting styles but differ in voltage ratings and current capacities. The GBU12G-T represents the 400 V variant within the 12 A current class, offering a balance between voltage withstand capability and conduction losses.
Replacement Considerations
Direct replacements include other manufacturers' GBU12G equivalents. Verify pinout compatibility and thermal resistance values. Ensure the substitute component meets the same UL recognition file number E175067 if certification continuity is required.
