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. 795-9035
Mfr. Part No.STTH812FP
HK$14.868
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. 145-4118
Mfr. Part No.MUR180ERLG
HK$0.923
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 165-2759
Mfr. Part No.UG1D-E3/54
BrandVishay
HK$1.401
Each (On a Reel of 5500)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 950mV 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 781-0974
Mfr. Part No.MUR180ERLG
HK$2.148
Each (In a Pack of 25)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 748-0999
Mfr. Part No.UG1D-E3/54
BrandVishay
HK$2.675
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 950mV 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 103-3904
Mfr. Part No.MURS360T3G
HK$1.966
Each (On a Reel of 2500)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 625-6574
Mfr. Part No.MURS360T3G
HK$3.11
Each (In a Pack of 10)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 168-7731
Mfr. Part No.STTH812FP
HK$8.852
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. 177-7382
Mfr. Part No.BA159-E3/54
BrandVishay
HK$0.513
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. 170-4049
Mfr. Part No.FR106G R0
HK$0.359
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.3V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 708-7994
Mfr. Part No.BA159-E3/54
BrandVishay
HK$0.633
Each (In a Pack of 100)
units
Single 1A Through Hole 1 1000V DO-204AL - 1.3V 2 - -65 °C +125 °C 5.2mm 2.7mm
RS Stock No. 796-5982
Mfr. Part No.FR106G R0
HK$0.903
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.3V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 169-8965
Mfr. Part No.TS4148 RXG
HK$0.301
Each (On a Reel of 5000)
units
Single - Surface Mount 1 - 1206 Silicon Junction 1V 2 - -65 °C +200 °C 3.4mm 1.7mm
RS Stock No. 774-3274
Mfr. Part No.1N4005G
HK$0.651
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 922-8250
Mfr. Part No.10A07-T
HK$3.58
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. 700-2769
Mfr. Part No.DAN217T146
BrandROHM
HK$1.931
Each (In a Pack of 10)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1.2V 3 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 145-3125
Mfr. Part No.MR856G
HK$0.617
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.25V 2 - -65 °C +125 °C - -
RS Stock No. 652-6003
Mfr. Part No.TS4148 RXG
HK$0.536
Each (In a Pack of 250)
units
Single - Surface Mount 1 - 1206 Silicon Junction 1V 2 - -65 °C +200 °C 3.4mm 1.7mm
RS Stock No. 146-0586
Mfr. Part No.1N5406-T
HK$0.768
Each (On a Reel of 1200)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 443-3690
Mfr. Part No.LS4148-GS08
BrandVishay
HK$1.11
Each (In a Pack of 50)
units
Single 300mA Surface Mount 1 100V Quadro Melf - 1V 2 - -65 °C +175 °C 3.5mm 1.7mm
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