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. 165-6105
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD37.70
Each (In a Tube of 50)
units
Single - Surface Mount 1 - D2PAK (TO-263) Silicon Junction 1.2V 3 - -55 °C +175 °C 10.45mm 9.14mm
RS Stock No. 781-5159
Mfr. Part No.SBAV199LT1G
TWD9.60
Each (In a Pack of 50)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction - 3 - -65 °C +150 °C 3.04mm 1.4mm
RS Stock No. 103-3904
Mfr. Part No.MURS360T3G
TWD4.90
Each (On a Reel of 2500)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 170-4148
Mfr. Part No.BAV99W RF
TWD1.50
Each (On a Reel of 3000)
units
Series 130 mA, 150 mA Surface Mount 2 85V SOT-323 (SC-70) Silicon Junction 1.25V 3 1.5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 761-4283
Mfr. Part No.1N4148WT
TWD1.80
Each (In a Pack of 100)
units
Single 300mA Surface Mount 1 75V SOD-523 Silicon Junction 1V 2 4pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 625-6574
Mfr. Part No.MURS360T3G
TWD12.30
Each (In a Pack of 10)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 761-4069
Mfr. Part No.DSEP29-06A
BrandIXYS
TWD86.50
Each (In a Pack of 2)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.61V 2 - -55 °C +175 °C 10.66mm 4.82mm
RS Stock No. 781-0996
Mfr. Part No.MUR3060WTG
TWD131.00
Each (In a Pack of 2)
units
Common Cathode - Through Hole 2 - TO-247 Silicon Junction 1.7V 3 - -65 °C +175 °C 16.26mm 5.3mm
RS Stock No. 168-4658
Mfr. Part No.DSEP15-06A
BrandIXYS
TWD48.90
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 2.04V 2 - -55 °C +175 °C 10.66mm 4.82mm
RS Stock No. 761-4057
Mfr. Part No.DSEP15-06A
BrandIXYS
TWD57.60
Each (In a Pack of 5)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 2.04V 2 - -55 °C +175 °C 10.66mm 4.82mm
RS Stock No. 145-4124
Mfr. Part No.BAV23CLT1G
TWD1.30
Each (On a Reel of 3000)
units
Common Cathode - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 922-8443
Mfr. Part No.S3MB-13-F
TWD4.60
Each (On a Reel of 3000)
units
Single 3A Stud 1 1000V SMB Silicon Junction 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 781-3932
Mfr. Part No.BAV23CLT1G
TWD2.40
Each (In a Pack of 100)
units
Common Cathode - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 902-6616
Mfr. Part No.1N914TAP
BrandVishay
TWD1.50
Each (In a Pack of 500)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF - +175 °C 3.9mm -
RS Stock No. 781-5562
Mfr. Part No.1N4001RLG
TWD2.20
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. 751-4812
Mfr. Part No.S3MB-13-F
TWD13.00
Each (In a Pack of 25)
units
Single 3A Stud 1 1000V SMB - 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 816-7842
Mfr. Part No.BYV34-500
TWD46.00
Each (In a Pack of 5)
units
Common Cathode 20A Through Hole 2 500V SOT-78 - 1.05V 3 - - +150 °C 10.3mm 4.7mm
RS Stock No. 818-5231
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD45.80
Each (In a Pack of 5)
units
Single - Surface Mount 1 - D2PAK (TO-263) Silicon Junction 1.2V 3 - -55 °C +175 °C 10.45mm 9.14mm
RS Stock No. 145-2325
Mfr. Part No.1N914TAP
BrandVishay
TWD0.70
Each (On a Reel of 10000)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF - +175 °C 3.9mm -
RS Stock No. 121-6312
Mfr. Part No.MUR3060WTG
TWD106.10
Each (In a Tube of 30)
units
Common Cathode - Through Hole 2 - TO-247 Silicon Junction 1.7V 3 - -65 °C +175 °C 16.26mm 5.3mm