KBU800 10A 800V Single Phase Bridge Rectifier

KBU800 10A 800V Single Phase Bridge Rectifier is a compact, high-power rectifier used for AC to DC conversion in power supplies, motor drives, and various industrial electronics. With a maximum repetitive peak reverse voltage of 800V and forward current handling up to 10A, it is ideal for medium to high current rectification applications.

Key Features:

• High Current Handling: Capable of continuous operation up to 10 Amperes.
• High Voltage Rating: Supports up to 800V repetitive peak reverse voltage.
• Low Forward Voltage Drop: Reduces power loss and improves efficiency.
• Integrated Package: Combines four diodes into one compact unit.
• Easy Mounting: Standard KBU package with flat pins for PCB or screw terminals.

Technical Specifications:

• Repetitive Peak Reverse Voltage (V_RRM): 800V
• Average Forward Current (I_F(AV)): 10A
• Peak Forward Surge Current (I_FSM): 200A (8.3ms single half sine-wave)
• Forward Voltage Drop (V_F): 1.1V at 10A
• Reverse Current (I_R): 5µA at 800V
• Operating Temperature Range: -55°C to +150°C

Mechanical Specifications:

• Package Type: KBU (single-piece bridge)
• Lead Type: Straight flat leads
• Pin Configuration: AC ~, AC ~, +, –
• Case Material: Molded epoxy with flame retardant properties
• Mounting Hole: Central hole for screw mounting or heatsink attachment

Mounting Options:

• PCB Mount: Fits through-hole boards using flat pins.
• Chassis Mount: Can be screw-mounted to a heat sink or enclosure.

Schematic Diagram, Connection, Wiring and Pinout:

• AC Inputs: Connect AC mains to the two “~” terminals.
• DC Outputs: “+” provides positive DC output; “−” is the ground or return.
• Connection: Ensure correct polarity and secure contact for reliable performance.

Datasheet and Documentation:

• Download KBU800 Datasheet (PDF)

Applications:

• AC to DC Power Supplies: Converts AC mains to stable DC voltage.
• Motor Control Circuits: Used in variable frequency drives and motor starters.
• Battery Chargers: Efficient rectification in medium to high current chargers.
• UPS Systems: Ensures reliable DC conversion for uninterrupted power.
• Welding Equipment: Supports high current DC welding circuits.

Equivalent Models:

• KBU810: Higher reverse voltage (1000V) version with similar form factor
• GBU810: Square package alternative with 10A current rating
• BR810: Bridge rectifier with similar electrical characteristics
• MB10S (lower rating): Compact SMD version for lower current applications

Package Includes:

• 1 x KBU800 10A 800V Single Phase Bridge Rectifier