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. 918-9708
Mfr. Part No.1N4148WS-E3-08
BrandVishay
TWD1.30
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.2V 2 4pF -55 °C +150 °C 1.95mm 1.5mm
RS Stock No. 146-2253
Mfr. Part No.1N4148 A0
TWD0.50
Each (On a Tape of 5000)
units
Single 150mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +150 °C 5.08mm 2.3mm
RS Stock No. 163-2285
Mfr. Part No.NSV1SS400T1G
TWD2.30
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-523 Silicon Junction 1.2V 2 3pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 652-7343
Mfr. Part No.1N4148 A0
TWD1.70
Each (In a Pack of 500)
units
Single 150mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +150 °C 5.08mm 2.3mm
RS Stock No. 710-4519
Mfr. Part No.LL4148-GS18
BrandVishay
TWD2.10
Each (In a Pack of 250)
units
Single 300mA Surface Mount 1 - MiniMELF - 1V 2 - -65 °C +175 °C 3.7mm 1.6mm
RS Stock No. 802-1667
Mfr. Part No.NSV1SS400T1G
TWD3.90
Each (On a Tape of 100)
units
Single - Surface Mount 1 100V SOD-523 - 1.2V 2 3pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 700-3677
Mfr. Part No.1N4148WS-E3-08
BrandVishay
TWD2.70
Each (In a Pack of 100)
units
Single 150mA Surface Mount 1 75V SOD-323 - 1.2V 2 4pF -55 °C +150 °C 1.95mm 1.5mm
RS Stock No. 145-2641
Mfr. Part No.LL4148-GS18
BrandVishay
TWD0.70
Each (On a Reel of 10000)
units
Single 300mA Surface Mount 1 - MiniMELF Silicon Junction 1V 2 - -65 °C +175 °C 3.7mm 1.6mm
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. 795-9035
Mfr. Part No.STTH812FP
TWD61.80
Each (In a Pack of 5)
units
Single 8A Through Hole 1 1200V TO-220FPAC - 2.2V 2 12pF - +175 °C 10.4mm 4.6mm
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. 816-8895
Mfr. Part No.BAS116H,115
BrandNexperia
TWD5.40
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. 781-1037
Mfr. Part No.MURA130T3G
TWD9.60
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. 652-7472
Mfr. Part No.ES3D R6
TWD9.90
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. 774-3631
Mfr. Part No.MUR460G
TWD14.50
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C - -
RS Stock No. 700-3671
Mfr. Part No.1N4148W-E3-08
BrandVishay
TWD2.80
Each (In a Pack of 100)
units
Single 150mA Surface Mount 1 75V SOD-123 - 1.2V 2 4pF -55 °C +150 °C 2.85mm 1.7mm
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. 145-8760
Mfr. Part No.IDP40E65D2XKSA1
BrandInfineon
TWD60.70
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
TWD35.60
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
TWD1.30
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction - 2 - -55 °C +150 °C 2.85mm 1.7mm