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. 464-198
Mfr. Part No.MMSD4148T1G
TWD1.40
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. 761-4057
Mfr. Part No.DSEP15-06A
BrandIXYS
TWD59.40
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. 166-1880
Mfr. Part No.ISL9R3060G2
TWD75.60
Each (In a Tube of 30)
units
Single - Through Hole 1 - TO-247 Silicon Junction 2.4V 2 - -55 °C +175 °C 15.87mm 4.82mm
RS Stock No. 700-2886
Mfr. Part No.LL4148-GS08
BrandVishay
TWD1.60
Each (In a Pack of 250)
units
Single 2A Surface Mount 1 100V SOD-80 - 1V 2 4pF - - 3.7mm -
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. 545-2103
Mfr. Part No.MUR1520G
TWD35.00
Each
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.05V 2 - -65 °C +175 °C 10.29mm 4.82mm
RS Stock No. 168-4658
Mfr. Part No.DSEP15-06A
BrandIXYS
TWD50.50
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. 124-1361
Mfr. Part No.1N4148WT
TWD0.80
Each (On a Reel of 8000)
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. 165-8514
Mfr. Part No.BYV34-500,127
TWD36.40
Each (In a Tube of 50)
units
Common Cathode 20A Through Hole 2 500V SOT-78 Silicon Junction 1.05V 3 - - +150 °C 10.3mm 4.7mm
RS Stock No. 781-0996
Mfr. Part No.MUR3060WTG
TWD129.00
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. 121-6331
Mfr. Part No.1N4001RLG
TWD1.10
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. 545-2686
Mfr. Part No.BAV99LT1G
TWD0.80
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. 121-6312
Mfr. Part No.MUR3060WTG
TWD108.50
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
RS Stock No. 165-6105
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD35.50
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. 818-5231
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD43.20
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. 690-0016
Mfr. Part No.BAV99LT3G
TWD5.30
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. 751-4884
Mfr. Part No.SBR20A200CTB
TWD45.20
Each (In a Pack of 5)
units
Common Cathode 20A Surface Mount 2 200V D2PAK (TO-263) Silicon Junction 960mV 3 - -65 °C +175 °C 10.66mm 9.65mm
RS Stock No. 793-0848
Mfr. Part No.MMSD4148T3G
TWD1.80
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. 761-4451
Mfr. Part No.ISL9R3060G2
TWD91.00
Each
units
Single - Through Hole 1 - TO-247 Silicon Junction 2.4V 2 - -55 °C +175 °C 15.87mm 4.82mm
RS Stock No. 102-2277
Mfr. Part No.MMSD4148T1G
TWD0.70
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