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. 922-8077
Mfr. Part No.1N4148W-7-F
TWD0.80
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 110-7096
Mfr. Part No.IDP40E65D2XKSA1
BrandInfineon
TWD64.10
Each (In a Pack of 10)
units
Single - Through Hole 1 - TO-220 Silicon Junction 2.2V 2 - -40 °C +175 °C 10.2mm 4.5mm
RS Stock No. 146-0559
Mfr. Part No.BAS116H,115
BrandNexperia
TWD1.20
Each (On a Reel of 3000)
units
Single 215mA Surface Mount 1 75V SOD-123F Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.7mm 1.7mm
RS Stock No. 168-7731
Mfr. Part No.STTH812FP
TWD50.90
Each (In a Tube of 50)
units
Single 8A Through Hole 1 1200V TO-220FPAC Silicon Junction 2.2V 2 12pF - +175 °C 10.4mm 4.6mm
RS Stock No. 652-7472
Mfr. Part No.ES3D R6
TWD13.20
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 950mV 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 781-1037
Mfr. Part No.MURA130T3G
TWD11.20
Each (On a Tape of 25)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -65 °C +175 °C 4.57mm 2.92mm
RS Stock No. 922-8263
Mfr. Part No.1N4148W-13-F
TWD1.90
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. 751-2727
Mfr. Part No.1N4148W-13-F
TWD2.30
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. 625-4938
Mfr. Part No.MUR460RLG
TWD15.60
Each (In a Pack of 5)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm 5.3mm
RS Stock No. 146-2256
Mfr. Part No.ES3D R6
TWD5.50
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 950mV 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 816-8895
Mfr. Part No.BAS116H,115
BrandNexperia
TWD5.30
Each (In a Pack of 75)
units
Single 215mA Surface Mount 1 75V SOD-123F - 1.25V 2 2pF -65 °C +150 °C 2.7mm 1.7mm
RS Stock No. 811-9893
Mfr. Part No.MUR460-E3/54
BrandVishay
TWD20.20
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 145-8760
Mfr. Part No.IDP40E65D2XKSA1
BrandInfineon
TWD64.10
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220 Silicon Junction 2.2V 2 - -40 °C +175 °C 10.2mm 4.5mm
RS Stock No. 508-349
Mfr. Part No.BYC8X-600,127
TWD33.60
Each (In a Pack of 5)
units
Single 8A Through Hole 1 600V TO-220F Silicon Junction 2.91V 2 - -40 °C +150 °C 10.3mm 4.6mm
RS Stock No. 865-1892
Mfr. Part No.1N4148W-E3-08
BrandVishay
TWD0.90
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction - 2 - -55 °C +150 °C 2.85mm 1.7mm
RS Stock No. 796-5888
Mfr. Part No.ES3D R7
TWD18.00
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 950mV 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 816-7842
Mfr. Part No.BYV34-500,127
TWD48.20
Each (In a Pack of 5)
units
Common Cathode 20A Through Hole 2 500V SOT-78 - 1.05V 3 - - +150 °C 10.3mm 4.7mm
RS Stock No. 781-5562
Mfr. Part No.1N4001RLG
TWD2.50
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 781-5159
Mfr. Part No.SBAV199LT1G
TWD10.30
Each (In a Pack of 50)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction - 3 - -65 °C +150 °C 3.04mm 1.4mm
RS Stock No. 781-5852
Mfr. Part No.MSR1560G
TWD45.80
Each (In a Pack of 10)
units
Single - Through Hole 1 - TO-220 Silicon Junction 1.8V 2 - -65 °C +150 °C 10.29mm 4.82mm