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. 815-1169
Mfr. Part No.BA157-E3/54
BrandVishay
HK$0.797
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. 815-2519
Mfr. Part No.GP10V-E3/54
BrandVishay
HK$2.381
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. 920-0943
Mfr. Part No.DSEP30-06A
BrandIXYS
HK$26.166
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. 145-1677
Mfr. Part No.FESF8GT-E3/45
BrandVishay
HK$9.31
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. 751-4802
Mfr. Part No.S3JB-13-F
HK$4.42
Each (On a Tape of 25)
units
Single 3A Stud 1 600V SMB - 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 781-5571
Mfr. Part No.1N4006RLG
HK$0.735
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 168-3683
Mfr. Part No.DA4X101K0R
BrandPanasonic
HK$1.237
Each (On a Reel of 3000)
units
Isolated - Surface Mount 2 - SOT-143 Silicon Junction 1.2V 4 - - +150 °C 2.9mm 1.5mm
RS Stock No. 751-2718
Mfr. Part No.1N4001-T
HK$0.495
Each (In a Pack of 250)
units
Single 1A Through Hole 1 50V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 625-5379
Mfr. Part No.MURD620CTG
HK$7.63
Each
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - - - - -
RS Stock No. 438-0338
Mfr. Part No.BAS32L,115
BrandNexperia
HK$0.23
Each (On a Reel of 2500)
units
Single 200mA Surface Mount 1 75V MiniMELF - 1V 2 - -65 °C +200 °C 3.7mm 1.6mm
RS Stock No. 103-2976
Mfr. Part No.MUR460RLG
HK$1.22
Each (On a Reel of 1500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm 5.3mm
RS Stock No. 145-3086
Mfr. Part No.BAS20LT1G
HK$0.151
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 2.9mm 1.3mm
RS Stock No. 781-1012
Mfr. Part No.MUR480ESG
HK$5.304
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.85V 2 - -65 °C +175 °C - -
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. 690-0016
Mfr. Part No.BAV99LT3G
HK$0.873
Each (In a Pack of 25)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 545-2119
Mfr. Part No.MUR1620CTRG
HK$13.25
Each
units
Common Anode - Through Hole 2 - TO-220AB Silicon Junction 1.2V 3 - -65 °C +175 °C 10.28mm 4.82mm
RS Stock No. 902-6477
Mfr. Part No.1N4005GPHE3/54
BrandVishay
HK$0.792
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-204AL - - 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 102-2277
Mfr. Part No.MMSD4148T1G
HK$0.171
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.69mm 1.6mm
RS Stock No. 122-0272
Mfr. Part No.MURS160-13-F
HK$0.889
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. 184-4117
Mfr. Part No.1N4006G
HK$0.377
Each (In a Bag of 1000)
units
Single - Through Hole 1 - CASE 59-10 - 1.1V 2 - - - - -
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