Bridge Rectifiers

Bridge rectifiers are discrete semiconductors as they have a single semiconductor device i.e. a diode and are the opposite of an integrated circuit semiconductor which has various devices on a single piece of semiconductor. The diode bridge circuit was invented in 1895 and Leo Graetz designed a similar circuit so they can also be known as a Graetz circuit or Graetz bridge.
A bridge rectifier is built out of 4 or more diodes that are arranged in a specific configuration: the namesake bridge. This diode bridge is able to convert an input of alternating current (AC) into direct current (DC), a basic function for most electronic devices. It also provides the same output polarity for either input polarity. These devices work with a two-wire AC input, have two diode drops in their design and offer full wave rectification.
Bridge Rectifiers are commonly used in power supplies that provide necessary DC voltage for the electronic components or devices and are found in various applications such as home appliances and white merchandise. Also such devices are popular with electronic hobbyists who enjoy constructing circuits.
Rectifiers are usually classified into single phase and three phase, and then split again into uncontrolled, half controlled and full controlled rectifiers. They come in various package and mounting types including screw mount, surface mount and through hole.
Advantages of Bridge rectifiers
• A high peak inverse voltage (PIV) which is ideal for high voltage applications
• A high transformer utilisation factor
• Constructed with or without a transformer – does not need a centre tap transformer
Disadvantages of bridge rectifiers
• More expensive than other rectifiers as it requires four diodes
• Not ideal when a small voltage is required to be rectified
Since bridge rectifiers are discrete devices, some of them need to be purchased along with other devices to achieve the desired functionality for which they are intended. For some engineering needs, the ability to purchase discrete semiconductors makes prototyping and production affordable.

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Description Price Bridge Type Peak Average Forward Current Peak Reverse Repetitive Voltage Mounting Type Package Type Pin Count Diode Technology Diode Type Configuration Peak Non-Repetitive Forward Surge Current Maximum Operating Temperature Minimum Operating Temperature Peak Forward Voltage Peak Reverse Current
RS stock no. 917-8815
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R 14.693
Each (In a Pack of 10)
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R 0.448
Each (In a Pack of 100)
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Single Phase 800mA 1000V Surface Mount ABS 4 Silicon Junction Silicon Junction Single 30A +150 °C -55 °C 1.1V 500µA
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Mfr. Part No.DBLS208G RD
R 4.78
Each (On a Reel of 1500)
units
Single Phase 2A 1200V Surface Mount DBLS 4 Silicon Junction - Single 50A +150 °C -55 °C 1.3V 10µA
RS stock no. 815-1159
Mfr. Part No.B380C800DM-E3/45
BrandVishay
R 2.764
Each (In a Pack of 25)
units
Single Phase 900mA 600V Surface Mount DFM 4 - - Single 45A +125 °C -40 °C 1V 10µA
RS stock no. 823-2971
Mfr. Part No.KBP04G
R 7.046
Each (In a Pack of 20)
units
Single Phase 1.5A 400V Through Hole KBP 4 - - Single 40A +150 °C -65 °C 1.1V 500µA
RS stock no. 814-2705
Mfr. Part No.BU2508-E3/45
BrandVishay
R 16.702
Each (In a Pack of 5)
units
Single Phase 25A 800V Through Hole BU 4 - - Single 300A +150 °C -55 °C 1.05V 350µA
RS stock no. 369-0224
Mfr. Part No.DF04M
R 6.012
Each (In a Tube of 50)
units
Single Phase 1.5A 400V Through Hole PDIP 4 - - Single 50A +150 °C -55 °C 1.1V 5µA
RS stock no. 700-5409
Mfr. Part No.DF08SA-E3/77
BrandVishay
R 7.64
Each (In a Pack of 20)
units
Single Phase 1A 800V Surface Mount DF-S 4 - - Single 30A +150 °C -55 °C 1.1V 5µA
RS stock no. 180-7233
Mfr. Part No.MB6S-E3/80
BrandVishay
R 4.836
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units
Single Phase 35A 600V Surface Mount TO-269AA 4 - - Quad 450A +150 °C -55 °C 1V 100µA
RS stock no. 917-8871
Mfr. Part No.KBU810G
R 9.405
Each (In a Pack of 20)
units
Single Phase 8A 1000V Through Hole KBU 4 Silicon Junction Silicon Junction Single 175A +150 °C -55 °C 1.1V 100µA
RS stock no. 145-2584
Mfr. Part No.KBU6B-E4
BrandVishay
R 24.706
Each (In a Tray of 250)
units
Single Phase 6A 100V Through Hole KBU 4 Silicon Junction - Single 250A +150 °C -50 °C 1V 5µA
RS stock no. 177-5965
Mfr. Part No.DF08M TU
R 1.619
Each (On a Tape of 2500)
units
Single Phase 1A 800V Through Hole DF-M 4 Silicon Junction Silicon Junction Single 50A +150 °C -55 °C 1.1V 500µA
RS stock no. 146-2187
Mfr. Part No.KBU1010G
R 9.025
Each (In a Box of 400)
units
Single Phase 10A 1000V Through Hole KBU 4 Silicon Junction Silicon Junction Single 200A +150 °C -55 °C 1.1V 500µA
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Mfr. Part No.GBU410
R 5.398
Each (In a Tube of 20)
units
Single Phase 4A 1000V Through Hole GBU 4 - - Single 150A +150 °C -55 °C 1V 50µA
RS stock no. 687-5768
Mfr. Part No.GBPC2510 T0
R 39.38
Each (In a Pack of 2)
units
Single Phase 25A 1000V Screw Mount GBPC 4 - - Single 300A +150 °C -50 °C 1.1V 5µA
RS stock no. 227-8744
Mfr. Part No.VS-36MB10A
BrandVishay
R 117.42
Each
units
Single Phase 35A 100V Screw Mount D 34 4 - - Single 155A +150 °C -40 °C 1.3V 10µA
RS stock no. 803-1901
Mfr. Part No.GBPC2504W
R 44.215
Each (In a Pack of 2)
units
Single Phase 25A 400V Through Hole GBPC-W 4 Silicon Junction - Single 300A +150 °C -55 °C 1.1V 500µA
RS stock no. 917-8979
Mfr. Part No.KBPC2510W
R 23.279
Each (In a Pack of 10)
units
Single Phase 25A 1000V Through Hole KBPC W 4 Silicon Junction Silicon Junction Single 400A +150 °C -55 °C 1.1V 10µA
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R 5.868
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units
Single Phase 1.5A 1000V Surface Mount SDIP 4 - - Single 50A +150 °C -55 °C 1.1V 500µA
RS stock no. 903-2479
Mfr. Part No.DF04MA-E3/45
BrandVishay
R 6.997
Each (In a Tube of 50)
units
Single Phase 1A 400V Through Hole DF-M 4 - - Single 30A +150 °C -55 °C 1.1V 5µA