Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
ABF2UTR

ABF2UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 1A ABF

0

GBJ2006TB

GBJ2006TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 20A GBJ

1888

GBU808TB

GBU808TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 8A GBU

0

GBU402GTB

GBU402GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 4A GBU

0

MB6FTR

MB6FTR

SMC Diode Solutions

BRIDGE RECT 1P 600V 500MA MBF

12838

DB155STR

DB155STR

SMC Diode Solutions

BRIDGE RECT 1P 600V 1.5A DB-S

2834

GBU410TB

GBU410TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 4A GBU

227

ABF4UTR

ABF4UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 1A ABF

0

GBJ606TB

GBJ606TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 6A GBJ

307

DB157TB

DB157TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 1.5A DB-M

1328

ABS24TR

ABS24TR

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 2A ABS

0

KBP402GTB

KBP402GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 4A KBP

0

GBJ2506TB

GBJ2506TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 25A GBJ

101

GBU802TB

GBU802TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 8A GBU

0

GBU606GTB

GBU606GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 6A GBU

492

KMB210STR

KMB210STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 2A MBS

14480

MB10STR

MB10STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 500MA MBS

6847

DB156STR

DB156STR

SMC Diode Solutions

BRIDGE RECT 1P 800V 1.5A DB-S

0

GBJ2008TB

GBJ2008TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 20A GBJ

0

GBU1510TB

GBU1510TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 15A GBU

841

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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