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Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
GBPC3504WTA

GBPC3504WTA

SMC Diode Solutions

BRIDGE RECT 1P 400V 35A GBPC-W

0
UG6KB20TB

UG6KB20TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 6A D3K

0
GBPC2501WTA

GBPC2501WTA

SMC Diode Solutions

BRIDGE RECT 1P 100V 25A GBPC-W

0
UG2KB10TB

UG2KB10TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 2A D3K

0
UG2KB80TB

UG2KB80TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 2A D3K

0
GBPC2504WTA

GBPC2504WTA

SMC Diode Solutions

BRIDGE RECT 1P 400V 25A GBPC-W

0
UG4KB80TB

UG4KB80TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 4A D3K

0
MB4STR

MB4STR

SMC Diode Solutions

BRIDGE RECT 1P 400V 500MA MBS

0
GBU2010TB

GBU2010TB

SMC Diode Solutions

BRIDGE,1000V20A, PACKAGE GBU

0
UG2KB60TB

UG2KB60TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 2A D3K

1307
GBPC25005WTA

GBPC25005WTA

SMC Diode Solutions

BRIDGE RECT 1P 50V 25A GBPC-W

0
UG4KB60TB

UG4KB60TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 4A D3K

901
GBPC3510TA

GBPC3510TA

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 35A GBPC

80
UG4KB100TB

UG4KB100TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 4A D3K

736
GBU2510TB

GBU2510TB

SMC Diode Solutions

BRIDGE,1000V25A, PACKAGE GBU

0
GBPC35005WTA

GBPC35005WTA

SMC Diode Solutions

BRIDGE RECT 1P 50V 35A GBPC-W

0
UG3KB10GTB

UG3KB10GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 3A D3K

0
GBPC35005TA

GBPC35005TA

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 35A GBPC

0
UG6KB40TB

UG6KB40TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 6A D3K

0
UG6KB10TB

UG6KB10TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 6A D3K

0

Diodes - Bridge Rectifiers

1. Overview

Bridge rectifiers are discrete semiconductor devices that convert alternating current (AC) to direct current (DC) using a bridge configuration of four or more diodes. They are fundamental components in power supply circuits, enabling efficient energy conversion in electronic systems. Their importance lies in providing reliable rectification for applications ranging from consumer electronics to industrial machinery, ensuring compatibility between AC power sources and DC-powered devices.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Single-Phase Full-Wave BridgeRectifies both AC half-cycles, low ripple outputSwitching power supplies, battery chargers
Three-Phase Bridge RectifierHandles three-phase AC inputs, higher efficiencyIndustrial motor drives, renewable energy inverters
High-Voltage BridgeRated for >1000V reverse voltageElectric vehicle charging stations, HVDC systems
Bridge Rectifier ModuleIntegrated heat sink, multi-pin packageHigh-power audio amplifiers, welding equipment

3. Structure and Components

A standard bridge rectifier consists of 4 diodes arranged in a closed-loop "bridge" configuration. The diodes are typically silicon-based PN-junction or Schottky barrier structures. The package uses epoxy resin encapsulation with metal terminals for AC/DC connections. Advanced designs incorporate:

  • Thermal vias for heat dissipation
  • Gold-aluminum wire bonds for conductivity
  • Integrated snubber circuits for voltage spike suppression

4. Key Technical Specifications

ParameterDescriptionImportance
Max Average Rectified Current (IO)Maximum continuous DC current ratingDetermines power handling capability
Reverse Peak Voltage (VRRM)Maximum allowable reverse voltagePrevents breakdown under AC peak voltages
Forward Voltage Drop (VF)Voltage loss during conductionImpacts efficiency and thermal design
Operating Temperature RangeValid temperature range for functionalityAffects reliability in extreme environments
Reverse Recovery Time (trr)Time to switch from conduction to blockingCritical for high-frequency applications

5. Application Fields

  • Power Electronics: AC-DC converters in PCs/servers
  • Automotive: Alternator rectification in combustion engines
  • Renewables: Solar inverter input stage
  • Consumer: LED driver circuits in TVs
  • Industrial: CNC machine tool power supplies

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
ON SemiconductorMB10F Series1A average current, 600V VRRM, high surge capability
STMicroelectronicsDBL60V120SGThree-phase 600V, integrated TVS protection
Vishay IntertechnologyKBU8M800V rating, 8A average current, compact package
Diodes Inc.GBU606600V, 6A, low leakage current

7. Selection Recommendations

Consider the following factors during component selection:

  1. Calculate required IO with 20% safety margin
  2. Select VRRM >1.5 expected AC peak voltage
  3. Choose low VF devices for >85% efficiency
  4. Match package thermal characteristics to cooling solution
  5. For high-frequency use, prioritize trr <50ns

8. Industry Trends

Future development focuses on:

  • Wide bandgap (SiC/GaN) bridges for 98%+ efficiency
  • 3D-printed heat spreader integration
  • Smart rectifiers with built-in current sensing
  • Automotive-grade modules for 800V EV systems
  • Lead-free packaging meeting RoHS 3.0 standards

Market growth driven by renewable energy systems and electric vehicle adoption, projected at 6.2% CAGR through 2030 (Source: Yole D veloppement).

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