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. 649-0960
Mfr. Part No.MRA4007T3G
$0.07
Each (In a Pack of 2500)
units
Single 1A Surface Mount DO-214AC (SMA) 1000V Switching Silicon Junction 2 1.18V - 1 Silicon Junction - -
RS Stock No. 708-2197
Mfr. Part No.1N5819HW-7-F
$0.466
Each (In a Pack of 25)
units
Single 1A Surface Mount SOD-123 40V - Schottky 2 750mV - 1 Schottky - -
RS Stock No. 774-3347
Mfr. Part No.1N5819G
$0.479
Each (In a Pack of 10)
units
Single 1A Through Hole DO-41 40V - Schottky 2 900mV - 1 Schottky - -
RS Stock No. 920-9085
Mfr. Part No.1N5819
$0.105
Each (In a Bag of 2000)
units
Single 1A Through Hole DO-41 40V - Schottky 2 900mV - 1 Schottky - -
RS Stock No. 865-1895
Mfr. Part No.1N5401-E3
BrandVishay
$0.198
Each (On a Reel of 1400)
units
Single 3A Through Hole DO-201AD 100V - Silicon Junction 2 1.2V - 1 Silicon Junction - -
RS Stock No. 124-9925
Mfr. Part No.1N5819RLG
$0.128
Each (On a Reel of 5000)
units
Single 1A Through Hole DO-41 40V - Schottky 2 - - 1 Schottky - -
RS Stock No. 545-2478
Mfr. Part No.MRA4007T3G
$0.309
Each (In a Pack of 50)
units
Single 1A Surface Mount DO-214AC (SMA) 1000V Switching Silicon Junction 2 1.18V - 1 Silicon Junction - -
RS Stock No. 486-4460
Mfr. Part No.1N5819
$0.414
Each (In a Pack of 5)
units
Single 1A Through Hole DO-204AL 40V - Schottky 2 450mV - 1 Schottky - -
RS Stock No. 168-6621
Mfr. Part No.1N5819RL
$0.063
Each (On a Reel of 5000)
units
Single 1A Through Hole DO-41 40V - Schottky 2 - - 1 Schottky - -
RS Stock No. 922-7964
Mfr. Part No.1N5819HW-7-F
$0.063
Each (On a Reel of 3000)
units
Single 1A Surface Mount SOD-123 40V - Schottky 2 750mV - 1 Schottky - -
RS Stock No. 628-9451
Mfr. Part No.1N5401-E3/54
BrandVishay
$0.505
Each (In a Pack of 10)
units
Single 3A Through Hole DO-201AD 100V - - 2 1.2V - 1 Silicon Junction - -
RS Stock No. 687-0754
Mfr. Part No.1N5819RL
$0.409
Each (In a Pack of 50)
units
Single 1A Through Hole DO-41 40V - Schottky 2 - - 1 Schottky - -
RS Stock No. 145-3122
Mfr. Part No.1N5819G
$0.143
Each (In a Bag of 1000)
units
Single 1A Through Hole DO-41 40V - Schottky 2 900mV - 1 Schottky - -
RS Stock No. 774-3329
Mfr. Part No.1N5400G
$0.463
Each (In a Pack of 10)
units
Single 3A Through Hole DO-201AD 50V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 170-3487
Mfr. Part No.1N5400RLG
$0.143
Each (On a Reel of 1200)
units
Single 3A Through Hole DO-41 50V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 145-2828
Mfr. Part No.1N5400G
$0.132
Each (In a Box of 500)
units
Single 3A Through Hole DO-201AD 50V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 781-5581
Mfr. Part No.1N5400RLG
$0.216
Each (In a Pack of 50)
units
Single 3A Through Hole DO-41 50V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 169-9232
Mfr. Part No.SF63G R0
$0.355
Each (On a Tape of 1250)
units
Single 6A Through Hole DO-201AD 150V - Silicon Junction 2 975mV - 1 Silicon Junction - -
RS Stock No. 166-3068
Mfr. Part No.FDLL4448
$0.025
Each (On a Reel of 2500)
units
Single 300mA Surface Mount SOD-80 100V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 688-2195
Mfr. Part No.SF63G R0
$1.116
Each (In a Pack of 10)
units
Single 6A Through Hole DO-201AD 150V - Silicon Junction 2 975mV - 1 Silicon Junction - -
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