KBP307 3A 1000V Diode Bridge Rectifier

KBP307 3A 1000V Diode Bridge Rectifier is a compact and efficient solution for converting AC input into stable DC output. With its high voltage capability and 3A current handling, it is widely used in power supplies, chargers, adapters, and general rectification tasks where reliability and small form factor are important.

Key Features:

• High Voltage Rating: Supports up to 1000 V reverse voltage, making it suitable for AC mains rectification.
• 3 A Current Handling: Provides steady output current for small to medium power supplies.
• Compact KBP Package: Saves PCB space while offering good thermal performance.
• Low Forward Voltage Drop: Ensures better efficiency and reduced heat dissipation.
• Reliable Construction: Encapsulated body for durability and long operating life.
• Integrated Bridge Design: Simplifies circuit design by combining four diodes in one package.

Technical Specifications:

• Maximum Repetitive Peak Reverse Voltage (V_RRM): 1000 V
• Average Forward Current (I_O): 3 A
• Non-Repetitive Surge Current (I_FSM): 100 A (8.3 ms single half sine wave)
• Forward Voltage Drop (V_F): Around 1.1 V at 3 A
• Reverse Current (I_R): ≤ 10 µA at rated voltage
• Operating Temperature Range: −55 °C to +150 °C
• Storage Temperature Range: −55 °C to +150 °C

Mechanical Specifications:

• Package Type: KBP molded plastic case
• Mounting: Through-hole leads, suitable for PCB assembly
• Body Material: Flame-retardant epoxy for electrical insulation
• Polarity Marking: Clear polarity markings for easy installation
• Finish: Tin-plated leads for excellent solderability

Dimensions:

• Length: ~10.8 mm
• Width: ~10.8 mm
• Height: ~4.8 mm
• Lead Spacing: Standard 2.54 mm (0.1 inch) grid alignment

Pinout and Wiring:

• Pin 1 (~): AC Input
• Pin 2 (+): Positive DC Output
• Pin 3 (~): AC Input
• Pin 4 (−): Negative DC Output
• Wiring Note: Connect the two “~” pins to AC mains, and take DC output across the “+” and “−” pins.

Datasheet Reference:

• Refer to the official KBP307 datasheet for detailed electrical curves, derating information, and recommended applications.

Applications:

• Power Supplies: Used in SMPS, adapters, and general-purpose DC supplies.
• Battery Chargers: Provides AC-to-DC conversion for portable charger designs.
• Home Appliances: Suitable for rectification in small household electronics.
• Lighting Systems: Converts AC input for LED drivers and ballast circuits.
• Embedded Electronics: Powers microcontroller-based circuits from AC mains.

Equivalent Models:

• KBP306: Similar rectifier with 600 V reverse voltage rating
• KBP310: Higher rating variant with 3 A, 1000 V capacity
• GBU4A: Alternative bridge rectifier series with similar current rating

Package Includes:

• 1 x KBP307 3A 1000V Diode Bridge Rectifier