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. 146-0586
Mfr. Part No.1N5406-T
HK$0.898
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. 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
RS Stock No. 146-2324
Mfr. Part No.RS3B R7
HK$0.962
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.3V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 751-2709
Mfr. Part No.10A07-T
HK$7.634
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. 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. 700-2886
Mfr. Part No.LL4148-GS08
BrandVishay
HK$0.437
Each (In a Pack of 250)
units
Single 2A Surface Mount 1 100V SOD-80 - 1V 2 4pF - - 3.7mm -
RS Stock No. 761-3600
Mfr. Part No.ES1J
HK$1.931
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.7V 2 - -55 °C +150 °C 4.6mm 2.9mm
RS Stock No. 922-8260
Mfr. Part No.6A10-T
HK$1.782
Each (On a Reel of 500)
units
Single 6A Through Hole 1 1000V R 6 Silicon Junction 900mV 2 - -65 °C +175 °C 9.1mm -
RS Stock No. 751-4613
Mfr. Part No.MURS160-13-F
HK$2.538
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 600V SMB - 1.25V 2 10pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 815-1074
Mfr. Part No.AU1PKHM3/84A
BrandVishay
HK$3.616
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 800V DO-220AA - 1.85V 2 7.5pF -55 °C +175 °C 3.61mm 2.18mm
RS Stock No. 464-198
Mfr. Part No.MMSD4148T1G
HK$0.48
Each (In a Pack of 200)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.69mm 1.6mm
RS Stock No. 145-3129
Mfr. Part No.MUR480ESG
HK$3.185
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.85V 2 - -65 °C +175 °C - -
RS Stock No. 145-3892
Mfr. Part No.MUR260G
HK$1.127
Each (In a Bag of 1000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.35V 2 - -65 °C +175 °C - -
RS Stock No. 700-3671
Mfr. Part No.1N4148W-E3-08
BrandVishay
HK$0.663
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. 793-0848
Mfr. Part No.MMSD4148T3G
HK$0.342
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.84mm 1.8mm
RS Stock No. 170-3474
Mfr. Part No.MUR1100EG
HK$1.55
Each (In a Bag of 1000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 545-2686
Mfr. Part No.BAV99LT1G
HK$0.171
Each (On a Reel of 3000)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 103-2977
Mfr. Part No.MUR1100ERLG
HK$1.112
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C 5.2mm 2.7mm
RS Stock No. 122-1191
Mfr. Part No.S3JB-13-F
HK$2.283
Each (On a Reel of 3000)
units
Single 3A Stud 1 600V SMB Silicon Junction 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 177-5849
Mfr. Part No.ES1DL R3
HK$1.17
Each (On a Reel of 1800)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 950mV 2 - -55 °C +150 °C 2.9mm 1.9mm