Rectifier Diodes & Schottky Diodes

What is a Rectifier Diode?
A rectifier diode 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 a 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.

What is a Schottky Diode?
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. This is because they have a high current density,
• 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

...
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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. 545-2917
Mfr. Part No.MUR840G
HK$7.722
Each (In a Pack of 5)
units
Single 8A Through Hole TO-220AC 400V Switching Silicon Junction 2 1.3V - 1 Silicon Junction - -
RS Stock No. 165-4913
Mfr. Part No.VS-1EFH02-M3/I
BrandVishay
HK$0.742
Each (On a Reel of 10000)
units
Single 1A Surface Mount DO-219AB 200V - - 2 930mV - 1 Silicon Junction - -
RS Stock No. 774-3331
Mfr. Part No.1N5404G
HK$2.095
Each (In a Pack of 10)
units
Single 3A Through Hole DO-201AD 400V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 103-7581
Mfr. Part No.BAV99W,115
BrandNexperia
HK$0.179
Each (On a Reel of 3000)
units
Series 150mA Surface Mount SOT-323 (SC-70) 100V Switching Silicon Junction 3 1.25V - 2 Silicon Junction - -
RS Stock No. 166-2439
Mfr. Part No.UF4003
HK$0.488
Each (On a Tape of 5000)
units
Single 1A Through Hole DO-41 200V Fast Recovery Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 545-2901
Mfr. Part No.MUR820G
HK$6.166
Each (In a Pack of 5)
units
Single 8A Through Hole TO-220AC 200V Switching Silicon Junction 2 975mV - 1 Silicon Junction - -
RS Stock No. 103-5134
Mfr. Part No.1N5404G
HK$0.84
Each (In a Box of 500)
units
Single 3A Through Hole DO-201AD 400V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 122-0095
Mfr. Part No.MBRA340T3G
HK$1.05
Each (On a Reel of 5000)
units
Single 3A Surface Mount DO-214AC (SMA) 40V - Schottky 2 450mV - 1 Schottky - -
RS Stock No. 629-0013
Mfr. Part No.UF5408-E3/54
BrandVishay
HK$4.342
Each (In a Pack of 5)
units
Single 3A Through Hole DO-201AD 1000V - Silicon Junction 2 1.7V - 1 Silicon Junction - -
RS Stock No. 759-9428
Mfr. Part No.UF4003
HK$1.512
Each (In a Pack of 50)
units
Single 1A Through Hole DO-41 200V Fast Recovery Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 688-0502
Mfr. Part No.MBRA340T3G
HK$3.89
Each (In a Pack of 5)
units
Single 3A Surface Mount DO-214AC (SMA) 40V - Schottky 2 450mV - 1 Schottky - -
RS Stock No. 178-4741
Mfr. Part No.MUR820G
HK$5.27
Each (In a Tube of 50)
units
Single 8A Through Hole TO-220AC 200V Switching Silicon Junction 2 975mV - 1 Silicon Junction - -
RS Stock No. 545-0731
Mfr. Part No.MBR6045WTG
HK$34.15
Each
units
Common Cathode 60A Through Hole TO-247 45V - Schottky 3 - - 2 Schottky - -
RS Stock No. 395-3749
Mfr. Part No.VS-70HF160
BrandVishay
HK$99.30
Each
units
Stud Cathode 70A Thread Mount DO-5 1600V Switching Silicon Junction 2 1.46V - 1 Silicon Junction - -
RS Stock No. 748-0999
Mfr. Part No.UG1D-E3/54
BrandVishay
HK$2.322
Each (In a Pack of 10)
units
Single 1A Through Hole DO-204AL 200V - Silicon Junction 2 950mV - 1 Silicon Junction - -
RS Stock No. 628-9142
Mfr. Part No.1N4005-E3/54
BrandVishay
HK$1.672
Each (In a Pack of 10)
units
Single 1A Through Hole DO-204AL 600V - - 2 1.1V - 1 Silicon Junction - -
RS Stock No. 738-4863
Mfr. Part No.BAV99-7-F
HK$0.403
Each (In a Pack of 200)
units
Common Cathode 300mA Surface Mount SOT-23 75V Switching Silicon Junction 3 1.25V - 2 Silicon Junction - -
RS Stock No. 145-4118
Mfr. Part No.MUR180ERLG
HK$0.923
Each (On a Reel of 5000)
units
Single 1A Through Hole DO-41 800V Switching Silicon Junction 2 1.75V - 1 Silicon Junction - -
RS Stock No. 894-9256
Mfr. Part No.VS-1EFH02-M3/I
BrandVishay
HK$1.361
Each (In a Pack of 100)
units
Single 1A Surface Mount DO-219AB 200V - - 2 930mV - 1 - - -
RS Stock No. 145-2800
Mfr. Part No.MUR840G
HK$6.007
Each (In a Tube of 50)
units
Single 8A Through Hole TO-220AC 400V Switching Silicon Junction 2 1.3V - 1 Silicon Junction - -
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