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. 671-5477
Mfr. Part No.1N4148TR
HK$0.572
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
HK$0.052
Each (On a Reel of 2000)
units
- - - - - - - - - - - - - -
RS Stock No. 739-0290
Mfr. Part No.1N4148TA
HK$0.486
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. 124-1307
Mfr. Part No.1N4148TR
HK$0.063
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. 843-1562
Mfr. Part No.1N4148
HK$0.277
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. 124-1312
Mfr. Part No.1N4148TA
HK$0.047
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. 842-8002
Mfr. Part No.1N4148
HK$0.118
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. 145-3058
Mfr. Part No.MR854G
HK$0.617
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.25V 2 - -65 °C +125 °C - -
RS Stock No. 781-5843
Mfr. Part No.MR854G
HK$2.685
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.25V 2 - -65 °C +125 °C - -
RS Stock No. 145-3508
Mfr. Part No.MR852RLG
HK$0.597
Each (On a Reel of 1200)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.25V 2 - -65 °C +125 °C 9.65mm 5.33mm
RS Stock No. 625-5307
Mfr. Part No.MR852RLG
HK$3.94
Each
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.25V 2 - -65 °C +125 °C 9.65mm 5.33mm
RS Stock No. 145-3369
Mfr. Part No.MR852G
HK$0.617
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.25V 2 - -65 °C +125 °C - -
RS Stock No. 781-5834
Mfr. Part No.MR852G
HK$1.684
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.25V 2 - -65 °C +125 °C - -
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. 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. 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. 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. 145-2827
Mfr. Part No.1N4005G
HK$0.166
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. 781-5840
Mfr. Part No.MRA4006T3G
HK$0.685
Each (In a Pack of 100)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -55 °C +175 °C 4.57mm 2.92mm