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. 812-2048
Mfr. Part No.EGF1D-E3/67A
BrandVishay
HK$4.33
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. 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. 121-9499
Mfr. Part No.1N4005-T
HK$0.222
Each (On a Reel of 10000)
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Single 1A Through Hole 1 600V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 796-9417
Mfr. Part No.RS3B R7
HK$3.50
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.3V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 796-9662
Mfr. Part No.BAV21WS RR
HK$0.679
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. 815-2519
Mfr. Part No.GP10V-E3/54
BrandVishay
HK$2.43
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 1.3V 2 - -65 °C +150 °C 5.2mm -
RS Stock No. 464-035
Mfr. Part No.BAS20LT1G
HK$0.299
Each (In a Pack of 200)
units
Single - Surface Mount 1 - SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 2.9mm 1.3mm
RS Stock No. 625-4944
Mfr. Part No.MUR1100ERLG
HK$3.466
Each (In a Pack of 5)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C 5.2mm 2.7mm
RS Stock No. 178-7548
Mfr. Part No.MURD620CTT4G
HK$1.59
Each (On a Reel of 2500)
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - -65 °C +175 °C 6.73mm 6.22mm
RS Stock No. 815-1169
Mfr. Part No.BA157-E3/54
BrandVishay
HK$0.837
Each (In a Pack of 100)
units
Single 1A Through Hole 1 400V DO-204AL - 1.3V 2 12pF -65 °C +125 °C 5.2mm -
RS Stock No. 122-0272
Mfr. Part No.MURS160-13-F
HK$0.907
Each (On a Reel of 3000)
units
Single 1A Surface Mount 1 600V SMB Silicon Junction 1.25V 2 10pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 102-6169
Mfr. Part No.STTH9012TV1
HK$163.76
Each (In a Tube of 10)
units
Isolated 90A Surface Mount 2 1200V ISOTOP Silicon Junction 1.9V 4 - - +150 °C 38.2mm 25.5mm
RS Stock No. 103-2962
Mfr. Part No.MURS120T3G
HK$0.719
Each (On a Reel of 2500)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 875mV 2 - - - - -
RS Stock No. 625-4938
Mfr. Part No.MUR460RLG
HK$3.59
Each (In a Pack of 5)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm 5.3mm
RS Stock No. 920-0943
Mfr. Part No.DSEP30-06A
BrandIXYS
HK$26.70
Each (In a Tube of 30)
units
Single - Through Hole 1 - TO-247AD Silicon Junction 1.6V 2 - -55 °C +175 °C 16.26mm 5.3mm
RS Stock No. 145-3892
Mfr. Part No.MUR260G
HK$1.15
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. 145-1677
Mfr. Part No.FESF8GT-E3/45
BrandVishay
HK$9.50
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220F Silicon Junction 1.3V 2 - -55 °C +150 °C 10.26mm 4.83mm
RS Stock No. 169-9306
Mfr. Part No.ES1DL R2
HK$0.779
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 950mV 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 829-0670
Mfr. Part No.STTH9012TV1
HK$185.88
Each
units
Isolated 90A Surface Mount 2 1200V ISOTOP - 1.9V 4 - - +150 °C 38.2mm 25.5mm
RS Stock No. 700-2886
Mfr. Part No.LL4148-GS08
BrandVishay
HK$0.758
Each (In a Pack of 250)
units
Single 2A Surface Mount 1 100V SOD-80 - 1V 2 4pF - - 3.7mm -
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