Switching Diodes

A switching diode is a two terminal PN junction, often used in electronic systems to manage small voltages.


Switching Diode


A Switching Diode is commonly referred to as a “Signal Diode”, it is a semiconductor that can be used to switch signals or act as a rectifier at low voltages.


Within a circuit they can provide similar functionality to a physical switch, with the on/off state governed by the direction of the current flow. When there is forward current in the circuit (forward-bias), the switching diode effectively is a closed switch with low resistance, allowing current to flow. If the current of the circuit is reversed (reverse bias), the switching diode provides high resistance, preventing current flow up to a specified threshold.


Where are Switching Diodes used?


A switching diode can be used in low voltage applications that require fast switching and a high speed rectification. A diode can also be used as a circuit protection device to prevent reverse current damaging a device upstream of the switching diode, such as microcontroller.


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Description Price Diode Configuration Maximum Forward Current Mounting Type Number of Elements per Chip Maximum Reverse Voltage Package Type Diode Technology Maximum Forward Voltage Drop Pin Count Maximum Diode Capacitance Minimum Operating Temperature Maximum Operating Temperature Length Width
RS Stock No. 738-4879
Mfr. Part No.BAV99W-7-F
TWD2.20
Each (In a Pack of 200)
units
Series - Surface Mount 2 - SOT-323 (SC-70) Silicon Junction 1.25V 3 - -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 121-9467
Mfr. Part No.BAV99W-7-F
TWD1.20
Each (On a Reel of 3000)
units
Series - Surface Mount 2 - SOT-323 (SC-70) Silicon Junction 1.25V 3 - -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 751-5118
Mfr. Part No.UF1007-T
TWD7.30
Each (In a Pack of 100)
units
Single 1A Through Hole 1 1000V DO-41 - 1.7V 2 10pF -65 °C +150 °C 5.21mm -
RS Stock No. 121-9568
Mfr. Part No.UF1007-T
TWD4.80
Each (On a Reel of 5000)
units
Single 1A Through Hole 1 1000V DO-41 Silicon Junction 1.7V 2 10pF -65 °C +150 °C 5.21mm -
RS Stock No. 708-2163
Mfr. Part No.1N4148WT-7
TWD7.90
Each (In a Pack of 50)
units
Single - Surface Mount 1 - SOD-523 - - 2 - - - - -
RS Stock No. 121-9428
Mfr. Part No.1N4148WT-7
TWD1.80
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-523 Silicon Junction - 2 - - - - -
RS Stock No. 738-4728
Mfr. Part No.1N4148W-7-F
TWD1.90
Each (In a Pack of 200)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 751-4376
Mfr. Part No.ES3D-13-F
TWD18.50
Each (In a Pack of 10)
units
Single 3A Stud 1 200V SMC Silicon Junction 900mV 2 45pF -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 922-8263
Mfr. Part No.1N4148W-13-F
TWD2.20
Each (On a Reel of 10000)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 922-8077
Mfr. Part No.1N4148W-7-F
TWD0.90
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 751-2727
Mfr. Part No.1N4148W-13-F
TWD4.30
Each (In a Pack of 250)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 751-4887
Mfr. Part No.SBR20150CTFP
TWD27.40
Each (In a Pack of 10)
units
Common Cathode 20A Through Hole 2 150V ITO-220AB - 880mV 3 - -65 °C +175 °C 10.31mm 4.9mm
RS Stock No. 751-4812
Mfr. Part No.S3MB-13-F
TWD13.00
Each (In a Pack of 25)
units
Single 3A Stud 1 1000V SMB - 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 922-8443
Mfr. Part No.S3MB-13-F
TWD4.60
Each (On a Reel of 3000)
units
Single 3A Stud 1 1000V SMB Silicon Junction 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 751-4884
Mfr. Part No.SBR20A200CTB
TWD45.40
Each (In a Pack of 5)
units
Common Cathode 20A Surface Mount 2 200V D2PAK (TO-263) Silicon Junction 960mV 3 - -65 °C +175 °C 10.66mm 9.65mm
RS Stock No. 122-1203
Mfr. Part No.SBR20150CTFP
TWD27.40
Each (In a Tube of 50)
units
Common Cathode 20A Through Hole 2 150V ITO-220AB Silicon Junction 880mV 3 - -65 °C +175 °C 10.31mm 4.9mm
RS Stock No. 122-1202
Mfr. Part No.SBR20A200CTB
TWD38.90
Each (In a Tube of 50)
units
Common Cathode 20A Surface Mount 2 200V D2PAK (TO-263) Silicon Junction 960mV 3 - -65 °C +175 °C 10.66mm 9.65mm
RS Stock No. 751-5120
Mfr. Part No.US1A-13-F
TWD10.40
Each (In a Pack of 50)
units
Single 1A Surface Mount 1 50V SMA Silicon Junction 1V 2 20pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 751-4824
Mfr. Part No.S5DC-13-F
TWD13.30
Each (In a Pack of 10)
units
Single 5A Surface Mount 1 200V SMC - 1.15V 2 40pF -65 °C +150 °C 7.11mm 6.22mm
RS Stock No. 751-4600
Mfr. Part No.MURS120-13-F
TWD10.50
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 200V SMB - 875mV 2 27pF -55 °C +175 °C 4.57mm 3.94mm