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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 1KV 333MA KBU
- Series：KBU
- Mfr：MDD
- Package：Box
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：1 kV
- Current - Average Rectified (Io)：333 mA
- Voltage - Forward (Vf) (Max) @ If：1 V @ 4 A
- Current - Reverse Leakage @ Vr：10 µA @ 1000 V
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：4-SIP, KBL
- Supplier Device Package：KBU
- Grade：-
- Qualification：-
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Overview
The MDD KBU810 is a through-hole silicon bridge rectifier from the KBU series, designed for general-purpose power conversion applications. It features a molded plastic body with four pins and solder-plated terminals compliant with MIL-STD-750. The device supports a repetitive peak reverse voltage of 1000V and an average forward output rectified current of 8.0A at a case temperature of 50°C. It withstands a peak forward surge current of 200A under JEDEC testing conditions. The component operates within a junction temperature range of -55°C to +150°C and exhibits a maximum forward voltage drop of 1.0V at 4.0A.
Feature Summary
- Low reverse leakage current capability
- High forward surge current handling
- Guaranteed high-temperature soldering resistance
- UL flammability classification 94V-0
Applications
- Printed circuit board mounting for AC-DC conversion
- General purpose rectification in industrial equipment
- Power supply units requiring high thermal stability
Procurement Notes
Verify that the ordered part matches the original MDD KBU810 designation and the specific NextGen Components part code KBU8100000L80A. Confirm compliance with RoHS and RoHS III standards as stated in the specification sheet. Ensure packaging details align with bulk quantities of 400 pieces per box. Validate terminal solderability and polarity marking consistency upon receipt.
Selection Notes
Select this component when a 1000V reverse voltage rating and 8A continuous current capacity are required for through-hole assembly. Consider the 5.0 °C/W thermal resistance and 150°C maximum junction temperature for thermal management planning. Verify PCB pad dimensions of 12x12mm and lead length requirements of 9.5mm for proper mechanical fit and electrical performance.
Part Context
This component belongs to the KBU series of through-hole silicon bridge rectifiers manufactured by MDD (Chenda Semiconductor). The series offers various voltage and current combinations, with the KBU810 specifically rated for 1000V and 8A. It utilizes a standard KBU package format suitable for automated or manual insertion into printed circuit boards.
Replacement Considerations
Cross-reference with DiodesZetex GBU810 for similar GBU/KBU form factor replacements. Verify pinout compatibility and thermal resistance differences before substitution. Ensure the alternative part meets the same 1000V and 8A ratings.
FAQ
What is the maximum operating junction temperature?
The maximum operating junction temperature is +150°C.
How is the polarity indicated on the component?
Polarity is marked on the body of the molded plastic housing.
What is the typical DC reverse current at 125°C?
The DC reverse current is typically 1.0 mA at a junction temperature of 125°C.
