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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 400V 10A KBU
- Series：-
- Mfr：Taiwan Semiconductor Corporation
- Package：Tray
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：400 V
- Current - Average Rectified (Io)：10:00 AM
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 10 A
- Current - Reverse Leakage @ Vr：5 µA @ 400 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, KBU
- Supplier Device Package：KBU
- Grade：-
- Qualification：-
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Overview
The KBU1004G T0G is a single-phase standard bridge rectifier manufactured by Taiwan Semiconductor Corporation. It utilizes glass passivated chip junctions within a KBU through-hole package, supporting an average forward current of 10 A and a repetitive peak reverse voltage of 400 V. The device withstands a maximum surge current of 200 A for 8.3 ms half-sine waves. Electrical characteristics include a typical forward voltage of 1.1 V at 10 A and a reverse leakage current of 5 µA at rated voltage. Operating temperatures range from -55°C to +150°C.
Feature Summary
- Glass passivated chip junctions provide high case dielectric strength and reliability.
- Designed for direct printed circuit board mounting with matte tin plated leads.
- High surge current capability supports transient load conditions.
Applications
- Switching mode power supplies (SMPS)
- Power adapters
- Lighting applications
Procurement Notes
Verify the specific ordering code against manufacturer documentation to ensure correct voltage rating and packaging configuration. Confirm RoHS compliance status and REACH SVHC declarations prior to integration. Cross-reference datasheet version J2103 for accurate thermal and electrical specifications during component sourcing.
Selection Notes
Select this component when a 10 A continuous current and 400 V blocking voltage are required in a compact through-hole form factor. Ensure the application environment remains within the specified -55°C to +150°C junction temperature range. Verify PCB layout accommodates the KBU package dimensions and mounting torque requirements.
Part Context
This part belongs to the KBU100 series, which covers voltage ratings from 50 V to 1000 V. The '1004' designation specifically indicates the 400 V variant within this standardized lineup. All members share identical mechanical structures and thermal performance metrics while differing only in their peak reverse voltage capabilities.
Replacement Considerations
Direct substitutes must match the 10 A current rating, 400 V reverse voltage, and KBU package outline. Verify that alternative components meet the same UL recognition file E-326243 and maintain comparable thermal resistance values for equivalent heat dissipation performance.
FAQ
What is the maximum non-repetitive forward surge current?
The maximum surge peak forward current is 200 A for an 8.3 ms single half-sine wave superimposed on the rated load.
How does the reverse leakage current vary with temperature?
At 25°C, the typical reverse current is 5 µA. At 125°C, it increases to a typical value of 500 µA.
What is the junction-to-case thermal resistance?
The typical junction-to-case thermal resistance is 2.2 °C/W.
