Diodes - Bridge Rectifiers

Part Number	Description / PDF	Quantity
DBI20-16B Diotec Semiconductor	3PH BRIDGE 35X25X4 1600V 20A	900
B500S2A-SLIM Diotec Semiconductor	1PH BRIDGE SO-DIL 1000V 2.3A	0
DB15-16 Diotec Semiconductor	3PH BRIDGE DB 1600V 25A	0
KBPC3508WP Diotec Semiconductor	1PH BRIDGE KBPC 800V 35A	160
DB35-06 Diotec Semiconductor	3PH BRIDGE DB 600V 35A	0
KBP302G Diotec Semiconductor	1PH BRIDGE KBP 200V 3A	0
GBI35D Diotec Semiconductor	1PH BRIDGE 30X20X3.6 200V 35A	0
CS50D Diotec Semiconductor	1PH BRIDGE DIL 100V 1A	0
DB35-14 Diotec Semiconductor	3PH BRIDGE DB 1400V 35A	0
KBPC2504I Diotec Semiconductor	1PH BRIDGE KBPC 400V 25A	1440
GBI20M Diotec Semiconductor	1PH BRIDGE 30X20X3.6 1000V 20A	2000
GBU12M Diotec Semiconductor	1PH BRIDGE GBU 1000V 12A	0
B80C5000A Diotec Semiconductor	1PH BRIDGE 30X20X3.6 160V 5A	12500
B500R Diotec Semiconductor	1PH BRIDGE D9X5 1000V 2A	0
GBS4A Diotec Semiconductor	1PH BRIDGE 19X10X3.5 50V 4A	0
GBI35K Diotec Semiconductor	1PH BRIDGE 30X20X3.6 800V 35A	1000
B80S2A-SLIM Diotec Semiconductor	1PH BRIDGE SO-DIL 160V 2.3A	4500
CS30D Diotec Semiconductor	1PH BRIDGE DIL 60V 1A	0
B380D Diotec Semiconductor	1PH BRIDGE DIL 800V 1A	0
B500C3700A Diotec Semiconductor	1PH BRIDGE 30X20X3.6 1000V 3.7A	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

Type	Functional Features	Application Examples
Single-Phase Full-Wave Bridge	Rectifies both AC half-cycles, low ripple output	Switching power supplies, battery chargers
Three-Phase Bridge Rectifier	Handles three-phase AC inputs, higher efficiency	Industrial motor drives, renewable energy inverters
High-Voltage Bridge	Rated for >1000V reverse voltage	Electric vehicle charging stations, HVDC systems
Bridge Rectifier Module	Integrated heat sink, multi-pin package	High-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

Parameter	Description	Importance
Max Average Rectified Current (IO)	Maximum continuous DC current rating	Determines power handling capability
Reverse Peak Voltage (VRRM)	Maximum allowable reverse voltage	Prevents breakdown under AC peak voltages
Forward Voltage Drop (VF)	Voltage loss during conduction	Impacts efficiency and thermal design
Operating Temperature Range	Valid temperature range for functionality	Affects reliability in extreme environments
Reverse Recovery Time (trr)	Time to switch from conduction to blocking	Critical 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

Manufacturer	Representative Product	Key Features
ON Semiconductor	MB10F Series	1A average current, 600V VRRM, high surge capability
STMicroelectronics	DBL60V120SG	Three-phase 600V, integrated TVS protection
Vishay Intertechnology	KBU8M	800V rating, 8A average current, compact package
Diodes Inc.	GBU606	600V, 6A, low leakage current

7. Selection Recommendations

Consider the following factors during component selection:

Calculate required IO with 20% safety margin
Select VRRM >1.5 expected AC peak voltage
Choose low VF devices for >85% efficiency
Match package thermal characteristics to cooling solution
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).