Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
DB103STR

DB103STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 1A DB-S

0

GBJ2002TB

GBJ2002TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 20A GBJ

0

GBJ15005TB

GBJ15005TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 15A GBJ

0

GBU610GTB

GBU610GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 6A GBU

77

ABS6TR

ABS6TR

SMC Diode Solutions

BRIDGE RECT 1P 600V 500MA ABS

3105

KMB28STR

KMB28STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 80V 2A MBS

10988

ABS8TR

ABS8TR

SMC Diode Solutions

BRIDGE RECT 1P 800V 500MA ABS

6309

DB101STR

DB101STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 1A DB-S

0

GBU608TB

GBU608TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 6A GBU

0

ABS2UTR

ABS2UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 1A ABS

0

GBU408TB

GBU408TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 4A GBU

0

GBU6005TB

GBU6005TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 6A GBU

0

GBU601GTB

GBU601GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 6A GBU

0

DB104TB

DB104TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 1A DB-M

0

GBJ1504TB

GBJ1504TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 15A GBJ

0

GBU1010TB

GBU1010TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 10A GBU

314

DB152STR

DB152STR

SMC Diode Solutions

BRIDGE RECT 1P 100V 1.5A DB-S

0

GBU6005GTB

GBU6005GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 6A GBU

0

KBP2005GTB

KBP2005GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 2A KBP

0

DB106STR

DB106STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 1A DB-S

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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