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. 774-3274
Mfr. Part No.1N4005G
HK$1.597
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. 796-9662
Mfr. Part No.BAV21WS RR
HK$0.356
Each (In a Pack of 250)
units
Single 200mA Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 121-9499
Mfr. Part No.1N4005-T
HK$0.218
Each (On a Reel of 10000)
units
Single 1A Through Hole 1 600V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 885-5344
Mfr. Part No.1N5406-T
HK$2.225
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 812-2048
Mfr. Part No.EGF1D-E3/67A
BrandVishay
HK$4.244
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214BA Silicon Junction 1V 2 - -65 °C +175 °C 4.75mm 2.9mm
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. 823-2520
Mfr. Part No.BAW101-7
HK$0.914
Each (In a Pack of 100)
units
Series - Surface Mount 4 - SOT-143 Silicon Junction 1.1V 4 - -65 °C +150 °C 3mm 1.4mm
RS Stock No. 774-3271
Mfr. Part No.1N4004G
HK$1.641
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. 919-4454
Mfr. Part No.LS4148-GS08
BrandVishay
HK$0.213
Each (On a Reel of 2500)
units
Single 300mA Surface Mount 1 100V Quadro Melf Silicon Junction 1V 2 - -65 °C +175 °C 3.5mm 1.7mm
RS Stock No. 751-2724
Mfr. Part No.1N4005-T
HK$0.505
Each (In a Pack of 250)
units
Single 1A Through Hole 1 600V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 145-3101
Mfr. Part No.MR856RLG
HK$0.948
Each (On a Reel of 1200)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.25V 2 - -65 °C +125 °C 9.5mm 5.3mm
RS Stock No. 725-8688
Mfr. Part No.BAS16H,115
BrandNexperia
HK$0.747
Each (In a Pack of 100)
units
Single 215mA Surface Mount 1 - SOD-123F - 1.25V 2 - -65 °C +150 °C 2.7mm 1.7mm
RS Stock No. 145-3125
Mfr. Part No.MR856G
HK$1.235
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. 170-4147
Mfr. Part No.BAV21WS RR
HK$0.229
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
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. 145-2827
Mfr. Part No.1N4005G
HK$0.377
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. 145-3574
Mfr. Part No.1N4005RLG
HK$0.293
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. 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
RS Stock No. 791-6006
Mfr. Part No.1N4005RLG
HK$0.735
Each (In a Pack of 200)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 165-7210
Mfr. Part No.EGF1D-E3/67A
BrandVishay
HK$1.88
Each (On a Reel of 1500)
units
Single - Surface Mount 1 - DO-214BA Silicon Junction 1V 2 - -65 °C +175 °C 4.75mm 2.9mm
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