KBPC3510 Bridge Rectifier 35A 1000V Single-Phase Through Hole

KBPC3510 Single-Phase Bridge Rectifier – 35A 1000V

The KBPC3510 is a high-performance single-phase square bridge rectifier stack rated at 35 Amperes and 1000 Volts. Designed for through-hole PCB mounting, it converts AC input into smooth DC output, making it an essential component for chargers, power supplies, motor drives, and a wide range of industrial or hobbyist electronics projects.

Key Specifications

• Model: KBPC3510
• Maximum Forward Current: 35A
• Peak Reverse Voltage (PRV): 1000V
• Configuration: Single-Phase Full-Wave Bridge
• Package Type: Through Hole (KBPC Square Package)
• Quantity: 1 Piece
• Country of Origin: Made in Mainland China

Output Voltage Reference Guide

Understanding the relationship between AC input voltage (U2) and DC output voltage (UL) for this single-phase bridge rectifier:

• Without filter capacitor: UL = 0.9 × U2
• With filter capacitor (under load): UL = 1.2 × U2
• With filter capacitor (no load): UL = 1.41 × U2

Heat Sink Requirements

For reliable, long-term operation under good ventilation conditions:

• Working current ≤ 10A: A heat sink is optional.
• Working current > 10A: A heat sink must be installed to maintain safe operating temperatures.

Common Applications

• Battery chargers and power supply units
• Motor speed controllers and drives
• Welding equipment
• Industrial automation circuits
• DIY electronics and PCB projects

Why Choose the KBPC3510?

The KBPC3510 square bridge rectifier is a cost-effective, reliable, and widely compatible component. Its high voltage and current ratings make it suitable for demanding applications, while the standard through-hole package ensures easy installation on most PCBs and heatsinks.

For further guidance on electronic component safety and handling best practices, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What is the KBPC3510 bridge rectifier used for?

A: The KBPC3510 is a single-phase full-wave bridge rectifier used to convert alternating current (AC) to direct current (DC). It is commonly used in chargers, power supply units, motor controllers, welding machines, and other electronics requiring a reliable DC power source at up to 35A and 1000V.

Q: Does the KBPC3510 require a heat sink?

A: Under good ventilation conditions, a heat sink is not required when the operating current is 10A or less. However, when the working current exceeds 10A, a heat sink must be installed to prevent overheating and ensure safe, stable operation.

Q: What package type is the KBPC3510 and how is it mounted?

A: The KBPC3510 uses a through-hole (KBPC square) package, which is designed for easy mounting directly onto a PCB or a heatsink using a screw or bolt through the central mounting hole. This makes it straightforward to integrate into most standard circuit board layouts.

Q: How do I calculate the DC output voltage from this rectifier?

A: The DC output voltage depends on whether a filter capacitor is used. Without a capacitor, output UL ≈ 0.9 × AC input (U2). With a capacitor under load, UL ≈ 1.2 × U2. At no load with a capacitor, UL ≈ 1.41 × U2. Choose your transformer accordingly for your target DC voltage.