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Product Detailed Parameters
- Description：BRIDGE RECT 1PHASE 50V 6A KBU
- Series：-
- Mfr：onsemi
- Package：Bulk
- Diode Type：Single Phase
- Technology：Standard
- Voltage - Peak Reverse (Max)：50 V
- Current - Average Rectified (Io)：6:00 AM
- Voltage - Forward (Vf) (Max) @ If：1 V @ 6 A
- Current - Reverse Leakage @ Vr：5 µA @ 50 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 KBU6A is a single-phase bridge rectifier manufactured by onsemi (formerly Fairchild Semiconductor). It features an average rectified forward current of 6.0 A at 65°C and a maximum repetitive reverse voltage of 50 V. The device has a non-repetitive peak forward surge current rating of 250 A and a typical forward voltage of 1.0 V per bridge at 6.0 A. It operates within a junction temperature range of -55 to +150 °C and utilizes the KBU plastic case with four pins.
Feature Summary
- High surge current capability for handling transient loads
- Reliable construction technique suitable for general applications
- Ideal for printed circuit board mounting
Applications
- General purpose AC to DC conversion in power supplies
- Bridge rectification in low-voltage electronic circuits
- PCB-mounted power management modules
Procurement Notes
Verify the manufacturer origin, as onsemi acquired Fairchild Semiconductor's discrete and sensor product lines. Confirm that the specific part number matches the required 50 V reverse voltage rating. Ensure the package type corresponds to the KBU form factor for proper PCB footprint compatibility during sourcing.
Selection Notes
Select this component when a 6 A continuous current rating and 50 V blocking voltage are required. Consider the thermal resistance values if operating near ambient temperatures exceeding 65°C. Verify lead length and copper pad dimensions against the datasheet recommendations for accurate thermal performance assessment.
Part Context
This component belongs to the KBU series of bridge rectifiers, which includes variants with higher voltage ratings such as the KBU6B through KBU6M. The series shares common mechanical dimensions and electrical characteristics like forward voltage and surge current capacity, differing primarily in their maximum repetitive reverse voltage specifications.
Replacement Considerations
Direct substitutes include other KBU6A parts from different manufacturers or legacy Fairchild stock. Cross-reference with Vishay KBU6A/51-E4 for equivalent electrical parameters and package style. Ensure any replacement maintains the same 50 VRRM and 6.0 AIF(AV) ratings.
