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. 843-1562
Mfr. Part No.1N4148
£0.022
Each (In a Pack of 250)
Units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 169-8781
Mfr. Part No.1N4148
£0.01
Each (In a Bag of 2000)
Units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 124-1312
Mfr. Part No.1N4148TA
£0.006
Each (On a Reel of 5000)
Units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm -
RS Stock No. 124-1307
Mfr. Part No.1N4148TR
£0.006
Each (On a Reel of 10000)
Units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm 1.91mm
RS Stock No. 739-0290
Mfr. Part No.1N4148TA
£0.10
Each (In a Pack of 20)
Units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm -
RS Stock No. 842-8002
Mfr. Part No.1N4148
£0.01
Each (In a Box of 2000)
Units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 671-5477
Mfr. Part No.1N4148TR
£0.10
Each (In a Pack of 20)
Units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm 1.91mm
RS Stock No. 842-8276
Mfr. Part No.1N4148
£0.005
Each (On a Reel of 2000)
Units
- - - - - - - - - - - - - -
RS Stock No. 146-2253
Mfr. Part No.1N4148 A0
£0.008
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. 652-7343
Mfr. Part No.1N4148 A0
£0.044
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. 751-2705
Mfr. Part No.10A04-T
£0.62
Each (In a Pack of 10)
Units
Single 10A Through Hole 1 400V R 6 - 1V 2 150pF -65 °C +150 °C 9.1mm -
RS Stock No. 922-8257
Mfr. Part No.10A04-T
£0.266
Each (On a Reel of 500)
Units
Single 10A Through Hole 1 400V R 6 Silicon Junction 1V 2 150pF -65 °C +150 °C 9.1mm -
RS Stock No. 700-3671
Mfr. Part No.1N4148W-E3-08
BrandVishay
£0.079
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. 865-1892
Mfr. Part No.1N4148W-E3-08
BrandVishay
£0.028
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. 922-8254
Mfr. Part No.1N4001-T
£0.016
Each (On a Reel of 5000)
Units
Single 1A Through Hole 1 50V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 751-2718
Mfr. Part No.1N4001-T
£0.033
Each (In a Pack of 250)
Units
Single 1A Through Hole 1 50V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 922-8250
Mfr. Part No.10A07-T
£0.366
Each (On a Reel of 500)
Units
Single 10A Through Hole 1 1000V R 6 Silicon Junction 1V 2 80pF -65 °C +150 °C 9.1mm -
RS Stock No. 751-2709
Mfr. Part No.10A07-T
£0.587
Each (In a Pack of 10)
Units
Single 10A Through Hole 1 1000V R 6 - 1V 2 80pF -65 °C +150 °C 9.1mm -
RS Stock No. 761-3476
Mfr. Part No.1N4148WS
£0.041
Each (In a Pack of 100)
Units
Single 300mA Surface Mount 1 75V SOD-323 Silicon Junction 1V 2 4pF - +150 °C 1.8mm 1.35mm
RS Stock No. 922-8248
Mfr. Part No.10A01-T
£0.244
Each (On a Reel of 500)
Units
Single 10A Through Hole 1 50V R 6 Silicon Junction 1V 2 150pF -65 °C +150 °C 9.1mm -