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. 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. 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. 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. 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. 795-8795
Mfr. Part No.STPS10L25D
$2.322
Each (In a Pack of 5)
units
Single 10A Through Hole TO-220AC 25V - Schottky 2 350mV - 1 Schottky - -
RS Stock No. 102-3567
Mfr. Part No.STPS10L25D
$1.309
Each (In a Tube of 50)
units
Single 10A Through Hole TO-220AC 25V - Schottky 2 350mV - 1 Schottky - -
RS Stock No. 178-5040
Mfr. Part No.1N5822
$0.308
Each (On a Reel of 600)
units
- - - - - - - - - - - - - -
RS Stock No. 485-8948
Mfr. Part No.1N5818
$0.463
Each (In a Pack of 25)
units
Single 1A Through Hole DO-41 30V - Schottky 2 550mV - 1 Schottky - -
RS Stock No. 920-9082
Mfr. Part No.1N5818
$0.114
Each (In a Bag of 2000)
units
Single 1A Through Hole DO-41 30V - Schottky 2 550mV - 1 Schottky - -
RS Stock No. 714-6819
Mfr. Part No.1N5822RL
$0.579
Each (In a Pack of 20)
units
Single 3A Through Hole DO-201AD 40V - Schottky 2 - - 1 Schottky - -
RS Stock No. 687-0877
Mfr. Part No.1N5822
$0.322
Each (In a Pack of 25)
units
Single 3A Through Hole DO-201AD 40V - Schottky 2 950mV - 1 Schottky - -
RS Stock No. 919-6494
Mfr. Part No.1N5822RL
$0.166
Each (On a Reel of 1900)
units
Single 3A Through Hole DO-201AD 40V - Schottky 2 - - 1 Schottky - -
RS Stock No. 168-6305
Mfr. Part No.STPS40170CT
$3.444
Each (In a Tube of 50)
units
Common Cathode 20A Through Hole TO-220AB 170V - Schottky 3 920mV - 2 Schottky - -
RS Stock No. 624-7586
Mfr. Part No.STPS40170CT
$4.398
Each (In a Pack of 5)
units
Common Cathode 20A Through Hole TO-220AB 170V - Schottky 3 920mV - 2 Schottky - -
RS Stock No. 155-513
Mfr. Part No.STTH10002TV2
$35.80
Each
units
Isolated 50A Panel Mount ISOTOP 200V Switching Silicon Junction 4 1.15V - 2 Silicon Junction - -
RS Stock No. 102-6166
Mfr. Part No.STTH10002TV2
$34.184
Each (In a Tube of 10)
units
Isolated 50A Panel Mount ISOTOP 200V Switching Silicon Junction 4 1.15V - 2 Silicon Junction - -
RS Stock No. 544-4758
Mfr. Part No.BAT42
$0.458
Each (In a Pack of 5)
units
Single 200mA Through Hole DO-35 30V - Schottky 2 450mV - 1 Schottky - -
RS Stock No. 920-9164
Mfr. Part No.BAT42
$0.088
Each (On a Reel of 4000)
units
Single 200mA Through Hole DO-35 30V - Schottky 2 - - 1 Schottky - -
RS Stock No. 168-5732
Mfr. Part No.STTH1R06A
$0.181
Each (On a Reel of 5000)
units
Single 1A Surface Mount DO-214AC (SMA) 600V Switching Silicon Junction 2 1.7V - 1 Silicon Junction - -
RS Stock No. 102-3520
Mfr. Part No.BAT46
$0.096
Each (On a Reel of 4000)
units
Single 150mA Through Hole DO-35 100V - Schottky 2 1V - 1 Schottky - -