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. 700-3671
Mfr. Part No.1N4148W-E3-08
BrandVishay
PHP4.233
Each (In a Pack of 100)
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Single 150mA Surface Mount 1 75V SOD-123 - 1.2V 2 4pF -55 °C +150 °C 2.85mm 1.7mm
RS Stock No. 865-1892
Mfr. Part No.1N4148W-E3-08
BrandVishay
PHP1.94
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction - 2 - -55 °C +150 °C 2.85mm 1.7mm
RS Stock No. 177-7386
Mfr. Part No.1N4937GP-E3/54
BrandVishay
PHP3.99
Each (On a Reel of 5500)
units
Single - Through Hole 1 - DO-204AL Silicon Junction - 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 902-6528
Mfr. Part No.1N4937GP-E3/54
BrandVishay
PHP8.66
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-204AL - - 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 145-1843
Mfr. Part No.FES8FT-E3/45
BrandVishay
PHP58.375
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.3V 2 - -55 °C +150 °C 10.54mm 4.7mm
RS Stock No. 812-2189
Mfr. Part No.FES8FT-E3/45
BrandVishay
PHP58.375
Each (In a Pack of 10)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.3V 2 - -55 °C +150 °C 10.54mm 4.7mm
RS Stock No. 145-2078
Mfr. Part No.1N4150TAP
BrandVishay
PHP1.218
Each (On a Reel of 10000)
units
Single 300mA Through Hole 1 50V DO-35 Silicon Junction 1V 2 2.5pF - +175 °C 1.7mm -
RS Stock No. 165-2759
Mfr. Part No.UG1D-E3/54
BrandVishay
PHP10.188
Each (On a Reel of 5500)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 950mV 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 700-3863
Mfr. Part No.BAV21-TAP
BrandVishay
PHP3.376
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1V 2 - -65 °C +175 °C 3.9mm 1.7mm
RS Stock No. 748-0999
Mfr. Part No.UG1D-E3/54
BrandVishay
PHP16.75
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 950mV 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 165-2486
Mfr. Part No.LS4448GS08
BrandVishay
PHP1.26
Each (On a Reel of 2500)
units
Single 150mA Surface Mount 1 100V Quadro Melf Silicon Junction 1V 2 - -65 °C +175 °C 3.5mm 1.7mm
RS Stock No. 902-6483
Mfr. Part No.1N4150TAP
BrandVishay
PHP2.785
Each (In a Pack of 500)
units
Single 300mA Through Hole 1 50V DO-35 - 1V 2 2.5pF - +175 °C 1.7mm -
RS Stock No. 443-3735
Mfr. Part No.LS4448GS08
BrandVishay
PHP6.93
Each (In a Pack of 50)
units
Single 150mA Surface Mount 1 100V Quadro Melf - 1V 2 - -65 °C +175 °C 3.5mm 1.7mm
RS Stock No. 169-6106
Mfr. Part No.BAV21-TAP
BrandVishay
PHP1.05
Each (On a Reel of 50000)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1V 2 - -65 °C +175 °C 3.9mm 1.7mm
RS Stock No. 902-8697
Mfr. Part No.BAL99-E3-08
BrandVishay
PHP4.04
Each (On a Reel of 250)
units
Single 250mA Surface Mount 1 70V SOT-23 Silicon Junction 1.25V 3 1.5pF -55 °C +150 °C 3.1mm 1.43mm
RS Stock No. 165-7107
Mfr. Part No.FEP30JP-E3/45
BrandVishay
PHP114.98
Each (In a Tube of 30)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 1.5V 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 700-3677
Mfr. Part No.1N4148WS-E3-08
BrandVishay
PHP3.99
Each (In a Pack of 100)
units
Single 150mA Surface Mount 1 75V SOD-323 - 1.2V 2 4pF -55 °C +150 °C 1.95mm 1.5mm
RS Stock No. 812-2151
Mfr. Part No.FEP30JP-E3/45
BrandVishay
PHP138.70
Each (In a Pack of 2)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 1.5V 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 918-9708
Mfr. Part No.1N4148WS-E3-08
BrandVishay
PHP1.94
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.2V 2 4pF -55 °C +150 °C 1.95mm 1.5mm
RS Stock No. 165-6286
Mfr. Part No.UF5403-E3/54
BrandVishay
PHP20.834
Each (On a Reel of 1400)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -55 °C +150 °C 9.5mm -