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. 802-1667
Mfr. Part No.NSV1SS400T1G
TWD4.90
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. 146-2253
Mfr. Part No.1N4148 A0
TWD0.40
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. 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. 121-9428
Mfr. Part No.1N4148WT-7
TWD1.00
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-523 Silicon Junction - 2 - - - - -
RS Stock No. 163-2285
Mfr. Part No.NSV1SS400T1G
TWD2.40
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
TWD0.80
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. 708-2163
Mfr. Part No.1N4148WT-7
TWD14.00
Each (In a Pack of 50)
units
Single - Surface Mount 1 - SOD-523 - - 2 - - - - -
RS Stock No. 710-4519
Mfr. Part No.LL4148-GS18
BrandVishay
TWD1.80
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. 752-7874
Mfr. Part No.BAV99SH6327XTSA1
BrandInfineon
TWD5.50
Each (In a Pack of 50)
units
Series 200mA Surface Mount 2 80V SOT-363 (SC-88) Silicon Junction 1.25V 6 1.5pF - +150 °C 2mm 1.25mm
RS Stock No. 700-3671
Mfr. Part No.1N4148W-E3-08
BrandVishay
TWD3.90
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. 103-5144
Mfr. Part No.MUR460G
TWD8.90
Each (In a Bag of 500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C - -
RS Stock No. 168-9388
Mfr. Part No.BYC8X-600,127
TWD27.70
Each (In a Tube of 50)
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. 738-4728
Mfr. Part No.1N4148W-7-F
TWD2.00
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
TWD17.50
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. 146-2303
Mfr. Part No.ES3D R7
TWD7.90
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 950mV 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 103-2976
Mfr. Part No.MUR460RLG
TWD5.20
Each (On a Reel of 1500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm 5.3mm
RS Stock No. 795-9035
Mfr. Part No.STTH812FP
TWD78.00
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. 911-0989
Mfr. Part No.BAV99SH6327XTSA1
BrandInfineon
TWD2.70
Each (On a Reel of 3000)
units
Series 200mA Surface Mount 2 80V SOT-363 (SC-88) Silicon Junction 1.25V 6 1.5pF - +150 °C 2mm 1.25mm
RS Stock No. 163-0985
Mfr. Part No.MURA130T3G
TWD3.70
Each (On a Reel of 5000)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -65 °C +175 °C 4.57mm 2.92mm
RS Stock No. 774-3631
Mfr. Part No.MUR460G
TWD16.40
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C - -