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Three Phase Bridge Rectifier

A three phase bridge rectifier is a key component in power electronics, designed to convert three-phase AC into a stable DC output. Using six diodes arranged in a diode bridge allows current to flow in only one direction, ensuring smooth and reliable AC to DC conversion. This type of three-phase rectifier is commonly used in motor drives, solar inverters, EV charging systems, and large-scale industrial operations. With better efficiency and reduced ripple compared to single-phase setups, a 3 phase bridge rectifier is ideal for critical applications like UPS systems, automation, and renewable energy infrastructure.

Key Features of Three-Phase Bridge Rectifier

  • Built with a robust diode bridge that enables smooth AC to DC conversion across all three phases.
  • Typical current ratings range from 35 A to 200 A, ensuring compatibility with various industrial applications.
  • Provides isolation voltage up to 3.6 kV, enhancing safety during high-voltage operations.

Benefits of Using a Three-Phase Bridge Rectifier

  • Enables reliable AC to DC conversion with high stability, making it ideal for consistent power conversion in demanding systems.
  • Ceramic base plates with direct copper bonding offer superior heat transfer characteristics, ensuring longer device lifespan.
  • Offers flexible mounting options, including two-screw installation, within international standard packages.

Applications of Three-Phase Bridge Rectifier

Three-phase bridge rectifiers play a critical role in AC to DC conversion in industry, enabling stable and continuous DC power in numerous high-demand settings. Their ability to manage high current loads and ensure smooth electrical power conversion makes them essential for various modern systems. Below are some of the applications:

  • Motor Drive Rectifiers Used in controlling motors in HVAC systems, elevators, and industrial equipment. The rectifier ensures consistent DC power to regulate motor speed and improve efficiency.
  • Battery Charging Systems Ideal for charging automotive and industrial batteries. These bridge rectifiers deliver a stable DC output, suitable for lithium-ion and lead-acid battery charging.
  • Lighting Systems Power LED drivers and other lighting circuits by converting AC to DC, enhancing energy efficiency while extending the lifespan of components.
  • Power Supplies Core to computers, adapters, and other electronics requiring regulated direct current. These rectifiers ensure uninterrupted and noise-free power delivery.
  • Audio Amplifiers Provide clean, stable DC power to amplifiers, supporting high-fidelity sound performance with minimal signal distortion.

MDS Package
Part Number VRRM
(V)
IF(AV)
(A)
VF
(V)
IFSM
(A)
IR
(mA)
VISO
(V)
800-1600
60
1.3
550
1.5
3000
800-1600
70
1.2
800
2.0
3000
800-1600
80
1.2
950
2.0
3000
800-1600
100
1.35
1150
2.0
3000
800-1600
110
1.3
1200
2.0
3000
800-1600
160
1.4
1800
2.0
3000
800-1600
200
1.65
2000
6.0
3000