Rectifier Diodes & Schottky Diodes

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

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.

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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. 891-2728
Mfr. Part No.CUS01(TE85L,Q,M)
BrandToshiba
HK$1.025
Each (In a Pack of 50)
units
Single 1A Surface Mount US-FLAT 30V - - 2 390mV - 1 - - -
RS Stock No. 545-2080
Mfr. Part No.MBRS340T3G
HK$3.82
Each
units
Single 4A Surface Mount DO-214AB (SMC) 40V - Schottky 2 500mV - 1 Schottky - -
RS Stock No. 922-2136
Mfr. Part No.1N5404RLG
HK$1.276
Each (In a Pack of 100)
units
Single 3A Through Hole DO-41 400V - - 2 1V - 1 Silicon Junction - -
RS Stock No. 628-9142
Mfr. Part No.1N4005-E3/54
BrandVishay
HK$0.989
Each (In a Pack of 10)
units
Single 1A Through Hole DO-204AL 600V - - 2 1.1V - 1 Silicon Junction - -
RS Stock No. 165-4913
Mfr. Part No.VS-1EFH02-M3/I
BrandVishay
HK$0.756
Each (On a Reel of 10000)
units
Single 1A Surface Mount DO-219AB 200V - - 2 930mV - 1 Silicon Junction - -
RS Stock No. 178-4741
Mfr. Part No.MUR820G
HK$5.083
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. 165-2397
Mfr. Part No.1N4005-E3/54
BrandVishay
HK$0.30
Each (On a Reel of 5500)
units
Single 1A Through Hole DO-204AL 600V - - 2 1.1V - 1 Silicon Junction - -
RS Stock No. 395-3749
Mfr. Part No.VS-70HF160
BrandVishay
HK$142.35
Each
units
Stud Cathode 70A Thread Mount DO-5 1600V Switching Silicon Junction 2 1.46V - 1 Silicon Junction - -
RS Stock No. 545-2917
Mfr. Part No.MUR840G
HK$8.198
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. 688-0502
Mfr. Part No.MBRA340T3G
HK$4.058
Each (In a Pack of 5)
units
Single 3A Surface Mount DO-214AC (SMA) 40V - Schottky 2 450mV - 1 Schottky - -
RS Stock No. 166-2439
Mfr. Part No.UF4003
HK$0.616
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$6.176
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. 145-2800
Mfr. Part No.MUR840G
HK$6.59
Each (In a Tube of 50)
units
Single 8A Through Hole TO-220AC 400V Switching Silicon Junction 2 1.3V - 1 Silicon Junction - -
RS Stock No. 774-3331
Mfr. Part No.1N5404G
HK$2.261
Each (In a Pack of 10)
units
Single 3A Through Hole DO-201AD 400V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 708-7758
Mfr. Part No.1N4005-E3/54
BrandVishay
HK$0.706
Each (In a Pack of 200)
units
Single 1A Through Hole DO-204AL 600V - - 2 1.1V - 1 Silicon Junction - -
RS Stock No. 759-9428
Mfr. Part No.UF4003
HK$1.496
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. 192-950
Mfr. Part No.DSSK38-0025B
BrandIXYS
HK$19.478
Each (In a Pack of 5)
units
Common Cathode 40A Through Hole TO-220AC 25V - Schottky 3 - - 2 Schottky - -
RS Stock No. 708-7950
Mfr. Part No.BY448TAP
BrandVishay
HK$3.501
Each (In a Pack of 10)
units
Single 2A Through Hole SOD-57 1500V Switching Silicon Junction 2 1.6V - 1 Silicon Junction - -
RS Stock No. 484-3564
Mfr. Part No.PMLL4448,115
BrandNexperia
HK$0.919
Each (In a Pack of 50)
units
Single 200mA Surface Mount MiniMELF 100V Switching Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 166-0506
Mfr. Part No.PMLL4448,115
BrandNexperia
HK$0.159
Each (On a Reel of 2500)
units
Single 200mA Surface Mount MiniMELF 100V Switching Silicon Junction 2 1V - 1 Silicon Junction - -
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