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. 177-7382
Mfr. Part No.BA159-E3/54
BrandVishay
£0.028
Each (On a Reel of 5500)
Units
Single 1A Through Hole 1 1000V DO-204AL Silicon Junction 1.3V 2 - -65 °C +125 °C 5.2mm 2.7mm
RS Stock No. 700-3674
Mfr. Part No.1N4148-TAP
BrandVishay
£0.038
Each (In a Pack of 250)
Units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm
RS Stock No. 145-2326
Mfr. Part No.BYW54-TR
BrandVishay
£0.169
Each (On a Reel of 5000)
Units
Single 2A Through Hole 1 600V SOD-57 Silicon Junction 1V 2 18pF -55 °C +175 °C 4mm -
RS Stock No. 902-6663
Mfr. Part No.BYW54-TR
BrandVishay
£0.364
Each (In a Pack of 50)
Units
Single 2A Through Hole 1 600V SOD-57 - 1V 2 18pF -55 °C +175 °C 4mm -
RS Stock No. 911-0941
Mfr. Part No.BAV70E6327HTSA1
BrandInfineon
£0.026
Each (On a Reel of 3000)
Units
Common Cathode - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 2.92mm 1.3mm
RS Stock No. 445-4293
Mfr. Part No.BAV70E6327HTSA1
BrandInfineon
£0.026
Each (In a Pack of 50)
Units
Common Cathode - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 918-9698
Mfr. Part No.1N4148-TAP
BrandVishay
£0.01
Each (On a Reel of 10000)
Units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm
RS Stock No. 110-7107
Mfr. Part No.BAV70E6433HTMA1
BrandInfineon
£0.013
Each (On a Tape of 500)
Units
Common Cathode - Surface Mount 2 - SOT-23 Silicon Junction 715mV 3 - - +150 °C 2.9mm 1.3mm
RS Stock No. 145-2828
Mfr. Part No.1N5400G
£0.098
Each (In a Box of 500)
Units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 781-5581
Mfr. Part No.1N5400RLG
£0.208
Each (In a Pack of 50)
Units
Single - Through Hole 1 - DO-41 Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 170-3487
Mfr. Part No.1N5400RLG
£0.069
Each (On a Reel of 1200)
Units
Single - Through Hole 1 - DO-41 Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 774-3329
Mfr. Part No.1N5400G
£0.208
Each (In a Pack of 10)
Units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 168-8105
Mfr. Part No.STTH20R04FP
£0.807
Each (In a Tube of 50)
Units
Single 20A Through Hole 1 400V TO-220FPAC Silicon Junction 1.7V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 829-2768
Mfr. Part No.STTH20R04FP
£0.945
Each (In a Pack of 2)
Units
Single 20A Through Hole 1 400V TO-220FPAC - 1.7V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 103-3904
Mfr. Part No.MURS360T3G
£0.105
Each (On a Reel of 2500)
Units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 781-5565
Mfr. Part No.1N4002RLG
£0.047
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. 163-0830
Mfr. Part No.1N4002G
£0.032
Each (In a Bag of 1000)
Units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 170-3486
Mfr. Part No.1N4002RLG
£0.025
Each (On a Reel of 5000)
Units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 761-4283
Mfr. Part No.1N4148WT
£0.04
Each (In a Pack of 100)
Units
Single 300mA Surface Mount 1 75V SOD-523 Silicon Junction 1V 2 4pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 625-6574
Mfr. Part No.MURS360T3G
£0.261
Each (In a Pack of 10)
Units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -