Diodes - Bridge Rectifiers

Image Part Number Description / PDF Quantity Rfq
DB105TB

DB105TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 1A DB-M

595

GBU808GTB

GBU808GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 8A GBU

0

GBJ1510TB

GBJ1510TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 15A GBJ

0

ABS8UTR

ABS8UTR

SMC Diode Solutions

BRIDGE RECT 1PHASE 800V 1A ABS

0

GBU802GTB

GBU802GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 200V 8A GBU

0

GBU804TB

GBU804TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 8A GBU

0

KMB23STR

KMB23STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 30V 2A MBS

0

GBJ1010TB

GBJ1010TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 10A GBJ

228

DB153TB

DB153TB

SMC Diode Solutions

BRIDGE RECT 1P 200V 1.5A DB-M

0

DB154TB

DB154TB

SMC Diode Solutions

BRIDGE RECT 1P 400V 1.5A DB-M

0

GBU1001TB

GBU1001TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 100V 10A GBU

0

GBJ2010TB

GBJ2010TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 20A GBJ

285

KBP210GTB

KBP210GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 2A KBP

1151

GBJ1506TB

GBJ1506TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 600V 15A GBJ

140

KMB225STR

KMB225STR

SMC Diode Solutions

BRIDGE RECT 1PHASE 250V 2A MBS

0

MB6STR

MB6STR

SMC Diode Solutions

BRIDGE RECT 1P 600V 500MA MBS

28248

GBU610TB

GBU610TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 1KV 6A GBU

747

DB153STR

DB153STR

SMC Diode Solutions

BRIDGE RECT 1P 200V 1.5A DB-S

0

GBU604TB

GBU604TB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 6A GBU

0

KBP404GTB

KBP404GTB

SMC Diode Solutions

BRIDGE RECT 1PHASE 400V 4A KBP

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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