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
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Mfr. Part No.B5-77681
BrandLenze
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Mfr. Part No.KBPC5010
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Single Phase 50A 1000V Through Hole KBPC 4 Silicon Junction Silicon Junction Single 500A +150 °C -55 °C 1.1V 10µA
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Single Phase 50A 1000V Through Hole KBPC 4 Silicon Junction Silicon Junction Single 500A +150 °C -55 °C 1.1V 10µA
RS Stock No. 227-8801
Mfr. Part No.VS-36MB120A
BrandVishay
$13.14
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Single Phase 35A 1200V Screw Mount D 34 4 - - Single 500A +150 °C -55 °C 1.14V 10µA
RS Stock No. 165-2542
Mfr. Part No.VS-36MB120A
BrandVishay
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Mfr. Part No.SKD 60/12
BrandSemikron
$213.63
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Mfr. Part No.GBPC3510 T0
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Single Phase 35A 1000V Screw Mount GBPC 4 - - Single 400A +150 °C -50 °C 1.1V 5µA
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$4.35
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Single Phase 50A 1000V Screw Mount GBPC 4 - - Single 400A +150 °C -50 °C 1.1V 10µA
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Mfr. Part No.GBPC5010 T0
$3.59
Each (In a Tray of 100)
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Single Phase 50A 1000V Screw Mount GBPC 4 Silicon Junction - Single 400A +150 °C -50 °C 1.1V 10µA
RS Stock No. 905-6125
Mfr. Part No.SKB 30/12 A1
BrandSemikron
$75.35
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Single Phase 15A 1200V Panel Mount G 35 4 Silicon Junction - Single 500A +150 °C -40 °C 1.8V 5mA
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Mfr. Part No.KBPC3510
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Single Phase 35A 1000V Through Hole KBPC 4 Silicon Junction Silicon Junction Single 400A +150 °C -55 °C 1.1V 10µA
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Mfr. Part No.KBPC3510
$1.605
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Single Phase 35A 1000V Through Hole KBPC 4 Silicon Junction Silicon Junction Single 400A +150 °C -55 °C 1.1V 10µA
RS Stock No. 488-9318
Mfr. Part No.B5-62700
BrandLenze
$242.90
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Single Phase 750mA 200V - - 6 - - Single - +80 °C -25 °C - -
RS Stock No. 169-5779
Mfr. Part No.VS-160MT80KPBF
BrandVishay
$88.66
Each (In a Box of 15)
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Three Phase 200A 800V Panel Mount INT-A-PAK 6 Silicon Junction - Single 1.5kA +150 °C -40 °C 1.49V 10mA
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Mfr. Part No.VS-160MT80KPBF
BrandVishay
$86.20
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Three Phase 200A 800V Panel Mount INT-A-PAK 6 Silicon Junction - Single 1.5kA +150 °C -40 °C 1.49V 10mA
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