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Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
VBO40-08NO6

VBO40-08NO6

Wickmann / Littelfuse

BRIDGE RECT 1P 800V 40A SOT227B

0
VUO82-12NO7

VUO82-12NO7

Wickmann / Littelfuse

BRIDGE RECT 3P 1.2KV 88A PWS-D

0
VBO20-12AO2

VBO20-12AO2

Wickmann / Littelfuse

BRIDGE RECT 1P 1.2KV 31A FO-A

0
VUB120-16NOXT

VUB120-16NOXT

Wickmann / Littelfuse

BRIDGE RECT 3P 1.6KV 180A MODULE

6
VBO13-16NO2

VBO13-16NO2

Wickmann / Littelfuse

BRIDGE RECT 1P 1.6KV 18A FO-A

0
VUO190-12NO7

VUO190-12NO7

Wickmann / Littelfuse

BRIDGE RECT 3P 1.2KV 248A PWS-E1

1
VBO105-16NO7

VBO105-16NO7

Wickmann / Littelfuse

BRIDGE RECT 1P 1.6KV 107A PWS-C

0
VUO34-16NO1

VUO34-16NO1

Wickmann / Littelfuse

BRIDGE RECT 3P 1.6KV 36A V1-A

8
GUO40-12NO1

GUO40-12NO1

Wickmann / Littelfuse

BRIDGE RECT 3P 1.2KV 40A GUFP

875
VUO52-20NO1

VUO52-20NO1

Wickmann / Littelfuse

BRIDGE RECT 3PHASE 2KV 54A V1-A

0
VUO52-08NO1

VUO52-08NO1

Wickmann / Littelfuse

BRIDGE RECT 3PHASE 800V 54A V1-A

0
UGB6124AG

UGB6124AG

Wickmann / Littelfuse

BRIDGE RECT 1P 10.5KV 1A UGB-1

128
VBO52-18NO7

VBO52-18NO7

Wickmann / Littelfuse

BRIDGE RECT 1P 1.8KV 52A PWS-D

0
VUE75-06NO7

VUE75-06NO7

Wickmann / Littelfuse

BRIDGE RECT 3P 600V 86A ECO-PAC1

0
FUS45-0045B

FUS45-0045B

Wickmann / Littelfuse

BRIDGE RECT 3P 45V 45A I4-PAC

0
VUO80-18NO1

VUO80-18NO1

Wickmann / Littelfuse

BRIDGE RECT 3P 1.8KV 82A V1-A

0
VUO82-08NO7

VUO82-08NO7

Wickmann / Littelfuse

BRIDGE RECT 3P 800V 88A PWS-D

0
VUO190-08NO7

VUO190-08NO7

Wickmann / Littelfuse

BRIDGE RECT 3P 800V 248A PWS-E1

361825
VUO50-12NO3

VUO50-12NO3

Wickmann / Littelfuse

BRIDGE RECT 3P 1.2KV 58A FO-F-B

12
VBO25-16AO2

VBO25-16AO2

Wickmann / Littelfuse

BRIDGE RECT 1P 1.6KV 38A FO-A

5

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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