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. 751-4622
Mfr. Part No.PD3S140-7
SGD0.522
Each (In a Pack of 25)
units
Single 1A Surface Mount PowerDI 323 60V - Schottky 2 550mV - 1 Schottky - -
RS Stock No. 165-2600
Mfr. Part No.VS-T70HF40
BrandVishay
SGD38.321
Each (In a Box of 10)
units
Single 70A Panel Mount T-Module 400V Switching Silicon Junction 2 1.35V - 1 Silicon Junction - -
RS Stock No. 122-0273
Mfr. Part No.PD3S140-7
SGD0.197
Each (On a Reel of 3000)
units
Single 1A Surface Mount PowerDI 323 60V - Schottky 2 550mV - 1 Schottky - -
RS Stock No. 168-6307
Mfr. Part No.STTH120L06TV1
SGD27.53
Each (In a Tube of 10)
units
Isolated 60A Panel Mount ISOTOP 600V Switching Silicon Junction 4 1.55V - 2 Silicon Junction - -
RS Stock No. 122-0027
Mfr. Part No.SD103ASDM-7-F
SGD0.197
Each (On a Reel of 3000)
units
Series 350mA Surface Mount SOT-26 40V - Schottky 6 600mV - 4 Schottky - -
RS Stock No. 708-2305
Mfr. Part No.SD103ASDM-7-F
SGD0.50
Each (In a Pack of 25)
units
Series 350mA Surface Mount SOT-26 40V - Schottky 6 600mV - 4 Schottky - -
RS Stock No. 922-8119
Mfr. Part No.B340B-13-F
SGD0.197
Each (On a Reel of 3000)
units
Single 3A Surface Mount DO-214AA (SMB) 40V - Schottky 2 500mV - 1 Schottky - -
RS Stock No. 168-4613
Mfr. Part No.DSEI20-12A
BrandIXYS
SGD2.89
Each (In a Tube of 50)
units
Single 17A Through Hole TO-220AC 1200V Switching Silicon Junction 2 2.15V - 1 Silicon Junction - -
RS Stock No. 708-2282
Mfr. Part No.DFLS160-7
SGD0.557
Each (In a Pack of 25)
units
Single 1A Surface Mount PowerDI 123 60V - Schottky 2 500mV - 1 Schottky - -
RS Stock No. 165-7684
Mfr. Part No.BAT6404WH6327XTSA1
BrandInfineon
SGD0.088
Each (On a Reel of 3000)
units
Series 250mA Surface Mount SOT-323 (SC-70) 40V - Schottky 3 750mV - 2 Schottky - -
RS Stock No. 922-7982
Mfr. Part No.DFLS160-7
SGD0.219
Each (On a Reel of 3000)
units
Single 1A Surface Mount PowerDI 123 60V - Schottky 2 500mV - 1 Schottky - -
RS Stock No. 711-5301
Mfr. Part No.DSEI20-12A
BrandIXYS
SGD3.735
Each (In a Pack of 2)
units
Single 17A Through Hole TO-220AC 1200V Switching Silicon Junction 2 2.15V - 1 Silicon Junction - -
RS Stock No. 545-2096
Mfr. Part No.MBRS360T3G
SGD0.73
Each
units
Single 4A Surface Mount DO-214AB (SMC) 60V - Schottky 2 740mV - 1 Schottky - -
RS Stock No. 752-7861
Mfr. Part No.BAT6404WH6327XTSA1
BrandInfineon
SGD0.382
Each (In a Pack of 50)
units
Series 250mA Surface Mount SOT-323 (SC-70) 40V - Schottky 3 750mV - 2 Schottky - -
RS Stock No. 738-4787
Mfr. Part No.B340B-13-F
SGD0.562
Each (In a Pack of 25)
units
Single 3A Surface Mount DO-214AA (SMB) 40V - Schottky 2 500mV - 1 Schottky - -
RS Stock No. 103-2956
Mfr. Part No.MBRS360T3G
SGD0.193
Each (On a Reel of 2500)
units
Single 4A Surface Mount DO-214AB (SMC) 60V - Schottky 2 740mV - 1 Schottky - -
RS Stock No. 919-0755
Mfr. Part No.US1M-E3/5AT
BrandVishay
SGD0.165
Each (On a Reel of 7500)
units
Single 1A Surface Mount DO-214AC (SMA) 1000V Fast Recovery Silicon Junction 2 1.7V - 1 Silicon Junction - -
RS Stock No. 922-7995
Mfr. Part No.DFLS1200-7
SGD0.295
Each (On a Reel of 3000)
units
Single 1A Surface Mount PowerDI 123 200V - Schottky 2 850mV - 1 Schottky - -
RS Stock No. 918-9348
Mfr. Part No.US1M-E3/61T
BrandVishay
SGD0.17
Each (On a Reel of 1800)
units
Single 1A Surface Mount DO-214AC (SMA) 1000V Switching Silicon Junction 2 1.7V - 1 Silicon Junction - -
RS Stock No. 710-3917
Mfr. Part No.US1M-E3/5AT
BrandVishay
SGD0.461
Each (In a Pack of 25)
units
Single 1A Surface Mount DO-214AC (SMA) 1000V Fast Recovery Silicon Junction 2 1.7V - 1 Silicon Junction - -