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. 121-6425
Mfr. Part No.NSR0320MW2T1G
HK$0.394
Each (On a Reel of 3000)
units
Single 5A Surface Mount SOD-323 23V - Schottky 2 500mV - 1 Schottky - -
RS Stock No. 710-2923
Mfr. Part No.ES1D-E3/5AT
BrandVishay
HK$2.70
Each (In a Pack of 50)
units
Single 1A Surface Mount DO-214AC (SMA) 200V Switching Silicon Junction 2 920mV - 1 Silicon Junction - -
RS Stock No. 650-3088
Mfr. Part No.VS-12CWQ06FN-M3
BrandVishay
HK$9.00
Each (In a Pack of 5)
units
Common Cathode 12A Surface Mount DPAK (TO-252) 60V - Schottky 3 570mV - 2 Schottky - -
RS Stock No. 774-3628
Mfr. Part No.MUR410G
HK$3.244
Each (In a Pack of 10)
units
Single 4A Through Hole DO-201AD 100V - Silicon Junction 2 890mV - 1 Silicon Junction - -
RS Stock No. 826-9229
Mfr. Part No.BAT68E6327HTSA1
BrandInfineon
HK$1.17
Each (In a Pack of 100)
units
Single 130mA Surface Mount SOT-23 8V - Schottky 3 500mV - 1 Schottky - -
RS Stock No. 628-9849
Mfr. Part No.UF5401-E3/54
BrandVishay
HK$6.644
Each (In a Pack of 5)
units
Single 3A Through Hole DO-201AD 100V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 817-2487
Mfr. Part No.VS-70HFL80S05
BrandVishay
HK$129.30
Each
units
Stud Cathode 70A Thread Mount DO-203AB 800V Fast Recovery Silicon Junction 2 1.85V - 1 Silicon Junction - -
RS Stock No. 751-3411
Mfr. Part No.BAT54TW-7-F
HK$2.43
Each (On a Tape of 50)
units
Isolated 200mA Surface Mount SOT-363 (SC-88) 30V - Schottky 6 1V - 3 Schottky - -
RS Stock No. 170-4053
Mfr. Part No.HS1DL R3G
HK$0.702
Each (On a Reel of 1800)
units
Single 1A Surface Mount Sub SMA 200V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 545-2850
Mfr. Part No.MBR1645G
HK$7.53
Each (In a Pack of 5)
units
Single 16A Through Hole TO-220AC 45V - Schottky 2 630mV - 1 Schottky - -
RS Stock No. 192-720
Mfr. Part No.DSS16-01A
BrandIXYS
HK$14.12
Each (In a Pack of 5)
units
Single 16A Through Hole TO-220AC 100V - Schottky 2 - - 1 Schottky - -
RS Stock No. 704-4000
Mfr. Part No.1N914TR
HK$0.617
Each (In a Pack of 50)
units
Single 300mA Through Hole DO-35 100V - Silicon Junction 2 1V - 1 Silicon Junction - -
RS Stock No. 165-2606
Mfr. Part No.VS-T70HFL20S02
BrandVishay
HK$230.70
Each (In a Box of 10)
units
Single 70A Panel Mount T-Module 200V Switching Silicon Junction 2 1.73V - 1 Silicon Junction - -
RS Stock No. 183-7162
Mfr. Part No.RHRG30120
HK$19.08
Each
units
Single 30A Through Hole TO-247 1200V Switching Silicon Junction 2 3.2V - 1 Silicon Junction - -
RS Stock No. 700-0896
Mfr. Part No.SB130-E3/54
BrandVishay
HK$2.67
Each (In a Pack of 50)
units
Single 1A Through Hole DO-204AL 30V - Schottky 2 - - 1 Schottky - -
RS Stock No. 169-5915
Mfr. Part No.VS-41HF120
BrandVishay
HK$66.74
Each (In a Bag of 100)
units
Stud Cathode 40A Thread Mount DO-5 1200V Switching Silicon Junction 2 1.3V - 1 Silicon Junction - -
RS Stock No. 917-0751
Mfr. Part No.STTH5L06RL
HK$6.50
Each (In a Pack of 20)
units
Single 5A Through Hole DO-201AD 600V Switching Silicon Junction 2 - - 1 Silicon Junction - -
RS Stock No. 700-1233
Mfr. Part No.S1B-E3/61T
BrandVishay
HK$0.89
Each (In a Pack of 100)
units
Single 1A Surface Mount DO-214AC (SMA) 100V - Silicon Junction 2 1.1V - 1 Silicon Junction - -
RS Stock No. 170-2219
Mfr. Part No.SS1P6L-M3/84A
BrandVishay
HK$0.779
Each (On a Reel of 3000)
units
Single 1A Surface Mount SMP 60V - Schottky 2 - - 1 Schottky - -
RS Stock No. 170-2220
Mfr. Part No.SS2P2L-M3/84A
BrandVishay
HK$1.17
Each (On a Reel of 3000)
units
Single 2A Surface Mount SMP 20V - Schottky 2 - - 1 Schottky - -
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