Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
DB155TB

DB155TB

SMC Diode Solutions

BRIDGE RECT 1P 600V 1.5A DB-M

2644

GBJ2001TB

GBJ2001TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 20A GBJ

0

GBU1006TB

GBU1006TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 10A GBU

206

GBU10005TB

GBU10005TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 10A GBU

0

GBU408GTB

GBU408GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 4A GBU

0

MB4FTR

MB4FTR

SMC Diode Solutions

BRIDGE RECT 1P 400V 500MA MBF

0

GBJ1004TB

GBJ1004TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 10A GBJ

0

GBJ2501TB

GBJ2501TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 25A GBJ

0

DB106TB

DB106TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 1A DB-M

0

KBP4005GTB

KBP4005GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 4A KBP

0

KMB22STR

KMB22STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 20V 2A MBS

14297

GBU608GTB

GBU608GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 6A GBU

0

DB157STR

DB157STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 1.5A DB-S

2438

KBP406GTB

KBP406GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 4A KBP

1523

KBP401GTB

KBP401GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 4A KBP

0

ABS4UTR

ABS4UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 1A ABS

0

GBJ2510TB

GBJ2510TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 25A GBJ

219

ABS2TR

ABS2TR

SMC Diode Solutions

BRIDGE RECT 1P 200V 500MA ABS

0

GBU404GTB

GBU404GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 4A GBU

0

GBJ20005TB

GBJ20005TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 50V 20A GBJ

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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