Schottky Diodes & Rectifiers

A Schottky Diode is sometimes referred to as a Barrier Diode or a Hot Carrier Diode. The Schottky is a single type of electronic component which is a semiconductor. It has fast switching action with an accompanying low forward voltage drop, when current flows through the diode, a small voltage drop happens across the diode terminals.

A standard diode has a voltage drop between 0.6 and 1.7 volts whereas a Schottkys drop is between 0.15 and 0.45 volts. This lower voltage drop facilitates a high switching speed as well as improved system efficiency.

What are Schottky Diodes used for

  • They are used for the voltage clamping of applications, also as a preventative of transistor saturation
  • They can be used as rectifiers (in power supplies)
  • A good element to use in applications that are sensitive and efficiency
  • To prevent batteries from discharging
  • Solar panels and grid connected systems

Why should I use a Schottky

  • They feature a low turn voltage between 0.15 and 0.45 volts
  • A fast recovery time, resulting in a small amount of stored charge that can then be used for high speed switches
  • The low junction capacitance occupies a small space, after the results given from the wire point contact the silicon, the capacitance levels are also very small
  • Higher efficiency
  • Integrated guard ring for stress protection

What is a Rectifier Diode

A rectifier diodes main purpose is to rectify alternating currents. It's used to flow a current through a circuit in one direction, in contrast to elements such as resistors and rectifiers current has a non-linear relationship to the voltage across it. The diode will be forward bias when positive voltage is being applied and will do its best to operate as a short circuit and allow the current to flow through the diode freely. Its main task is to convert an alternating current (AC) into a direct current (DC) through the application of rectifier bridges. A rectifier diode can sometimes be used as a Schottky Rectifier.


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Description Price Diode Configuration Maximum Continuous Forward Current Mounting Type Package Type Peak Reverse Repetitive Voltage Rectifier Type Diode Type Pin Count Maximum Forward Voltage Drop Length Number of Elements per Chip Diode Technology Width Height
RS Stock No. 505-2977
Mfr. Part No.SKA 1/17
BrandSemikron
SGD1.938
Each (In a Pack of 10)
units
Single 1.45A Through Hole E 33 1700V - - 2 1.5V - 1 Silicon Junction - -
RS Stock No. 905-6015
Mfr. Part No.SKN 71/16
BrandSemikron
SGD25.63
Each
units
Stud Anode 95A Thread Mount E 11 1600V High Voltage Silicon Junction 2 1.5V - 1 Silicon Junction - -
RS Stock No. 656-451
Mfr. Part No.SKN 70/12
BrandSemikron
SGD25.37
Each
units
Stud Anode 70A Stud E 12 1200V - - 2 1.5V - 1 Silicon Junction - -
RS Stock No. 656-502
Mfr. Part No.SKR 130/12
BrandSemikron
SGD52.51
Each
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Stud Cathode 130A Stud E 14 1200V - - 2 1.5V - 1 Silicon Junction - -
RS Stock No. 656-530
Mfr. Part No.SKN 240/12
BrandSemikron
SGD55.28
Each
units
Stud Anode 240A Stud E 15 1200V - - 2 1.4V - 1 Silicon Junction - -
RS Stock No. 656-518
Mfr. Part No.SKN 240/04
BrandSemikron
SGD63.74
Each
units
Stud Anode 240A Stud E 15 400V - - 2 1.4V - 1 Silicon Junction - -
RS Stock No. 656-524
Mfr. Part No.SKR 240/04
BrandSemikron
SGD63.74
Each
units
Stud Cathode 240A Stud E 15 400V - - 2 1.4V - 1 Silicon Junction - -
RS Stock No. 505-2999
Mfr. Part No.SKA 3/17
BrandSemikron
SGD2.66
Each (In a Pack of 10)
units
Single 3A Through Hole E 34 1700V - - 2 1.2V - 1 Silicon Junction - -
RS Stock No. 905-6027
Mfr. Part No.SKR 71/16
BrandSemikron
SGD18.15
Each
units
Stud Cathode 95A Thread Mount DO-203AB 1600V High Voltage Silicon Junction 2 2.2V - 1 Silicon Junction - -
RS Stock No. 905-6033
Mfr. Part No.SKR 70/12
BrandSemikron
SGD21.94
Each
units
Stud Cathode 95A Thread Mount E 12 1200V High Voltage Silicon Junction 2 1.6V - 1 Silicon Junction - -
RS Stock No. 905-6100
Mfr. Part No.SKKD 100/16
BrandSemikron
SGD74.27
Each
units
Series 67A Panel Mount SEMIPACK1 1600V - Silicon Junction 7 - - 2 Silicon Junction - -
RS Stock No. 905-6140
Mfr. Part No.SKKD 162/16
BrandSemikron
SGD62.58
Each
units
Series 150A Panel Mount A 23 1600V High Voltage Silicon Junction 3 1.5V - 1 Silicon Junction - -
RS Stock No. 905-6112
Mfr. Part No.SKKE 81/12
BrandSemikron
SGD73.41
Each
units
Single 57A Panel Mount SEMIPACK1 1200V - Silicon Junction 2 1.55V - 1 Silicon Junction - -
New
RS Stock No. 210-4953
Mfr. Part No.SKN 70/16
BrandSemikron
SGD30.03
Each
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Single 150A Screw Mount E 12 1600V High Voltage - 2 - - 1 - - -
RS Stock No. 125-1112
Mfr. Part No.SKKE 380/16
BrandSemikron
SGD196.78
Each
units
Single 380A Panel Mount SEMIPACK3 1600V - - 2 1.25V - 1 - - -
RS Stock No. 687-4927
Mfr. Part No.SKN 26/16
BrandSemikron
SGD12.41
Each
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Stud Anode 25A Thread Mount E 8 1600V - - 2 1.55V - 1 - - -
RS Stock No. 905-6131
Mfr. Part No.SKKE 162/16
BrandSemikron
SGD80.36
Each
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Single 150A Panel Mount SEMIPACK2 1600V - Silicon Junction 3 1.5V - 1 Silicon Junction - -
RS Stock No. 905-6080
Mfr. Part No.SKKD 101/16
BrandSemikron
SGD39.15
Each
units
Series 101A Panel Mount SEMIPACK1 1600V - Silicon Junction 3 1.6V - 2 Silicon Junction - -
RS Stock No. 905-6011
Mfr. Part No.SKR 26/12
BrandSemikron
SGD12.16
Each
units
Stud Cathode 25A Thread Mount DO-203AA 1200V High Voltage Silicon Junction 2 1.75V - 1 Silicon Junction - -
RS Stock No. 905-6030
Mfr. Part No.SKR 45/16
BrandSemikron
SGD25.11
Each
units
Stud Cathode 50A Thread Mount E 12 1600V High Voltage Silicon Junction 2 1.6V - 1 Silicon Junction - -