Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
ABF6UTR

ABF6UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 1A ABF

3555

GBU602TB

GBU602TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 6A GBU

0

GBU1502TB

GBU1502TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 15A GBU

0

MB1FTR

MB1FTR

SMC Diode Solutions

BRIDGE RECT 1P 100V 500MA MBF

0

GBJ602TB

GBJ602TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 6A GBJ

0

KBP208GTB

KBP208GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 2A KBP

0

GBJ1006TB

GBJ1006TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 10A GBJ

298

GBU401GTB

GBU401GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 4A GBU

0

FTB6F-15FTR

FTB6F-15FTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 1.5A ABF

3339

MB8FTR

MB8FTR

SMC Diode Solutions

BRIDGE RECT 1P 800V 500MA MBF

0

KBP301GTB

KBP301GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 3A KBP

0

GBU801TB

GBU801TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 8A GBU

0

ABS28TR

ABS28TR

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 2A ABS

0

ABS6UTR

ABS6UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 1A ABS

3340

GBU4005GTB

GBU4005GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 4A GBU

0

DB105STR

DB105STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 1A DB-S

1953

GBU1508TB

GBU1508TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 15A GBU

0

GBPC3502WTA

GBPC3502WTA

SMC Diode Solutions

BRIDGE RECT 1P 200V 35A GBPC-W

0

GBPC3508WTA

GBPC3508WTA

SMC Diode Solutions

BRIDGE RECT 1P 800V 35A GBPC-W

0

UG4KB20TB

UG4KB20TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 4A 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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