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. 165-2871
Mfr. Part No.RS1A-E3/61T
BrandVishay
TWD3.30
Each (On a Reel of 1800)
units
Single 1A Surface Mount 1 50V SMA Silicon Junction 1.3V 2 - -55 °C +150 °C 4.5mm 2.79mm
RS Stock No. 710-3096
Mfr. Part No.RS1A-E3/61T
BrandVishay
TWD8.60
Each (In a Pack of 50)
units
Single 1A Surface Mount 1 50V SMA - 1.3V 2 - -55 °C +150 °C 4.5mm 2.79mm
RS Stock No. 700-3677
Mfr. Part No.1N4148WS-E3-08
BrandVishay
TWD2.60
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. 145-2641
Mfr. Part No.LL4148-GS18
BrandVishay
TWD0.60
Each (On a Reel of 10000)
units
Single 300mA Surface Mount 1 - MiniMELF Silicon Junction 1V 2 - -65 °C +175 °C 3.7mm 1.6mm
RS Stock No. 710-4519
Mfr. Part No.LL4148-GS18
BrandVishay
TWD1.80
Each (In a Pack of 250)
units
Single 300mA Surface Mount 1 - MiniMELF - 1V 2 - -65 °C +175 °C 3.7mm 1.6mm
RS Stock No. 918-9708
Mfr. Part No.1N4148WS-E3-08
BrandVishay
TWD1.20
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. 865-1892
Mfr. Part No.1N4148W-E3-08
BrandVishay
TWD0.90
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. 700-3671
Mfr. Part No.1N4148W-E3-08
BrandVishay
TWD2.70
Each (In a Pack of 100)
units
Single 150mA Surface Mount 1 75V SOD-123 - 1.2V 2 4pF -55 °C +150 °C 2.85mm 1.7mm
RS Stock No. 811-9893
Mfr. Part No.MUR460-E3/54
BrandVishay
TWD20.20
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 918-9672
Mfr. Part No.LL4148-GS08
BrandVishay
TWD0.60
Each (On a Reel of 2500)
units
Single 2A Surface Mount 1 100V SOD-80 Silicon Junction 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. 165-6105
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD34.90
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. 902-6610
Mfr. Part No.1N914TR
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. 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. 902-6616
Mfr. Part No.1N914TAP
BrandVishay
TWD1.20
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. 818-5231
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD42.40
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. 165-7209
Mfr. Part No.MSE1PJ-M3/89A
BrandVishay
TWD1.70
Each (On a Reel of 4500)
units
Single - Surface Mount 1 - μSMP Silicon Junction 1.1V 2 - -55 °C +175 °C 2.3mm 1.4mm
RS Stock No. 811-9874
Mfr. Part No.MSE1PJ-M3/89A
BrandVishay
TWD3.80
Each (In a Pack of 100)
units
Single - Surface Mount 1 - μSMP Silicon Junction 1.1V 2 - -55 °C +175 °C 2.3mm 1.4mm
RS Stock No. 710-4528
Mfr. Part No.MCL4148-TR
BrandVishay
TWD1.80
Each (In a Pack of 100)
units
Single - Surface Mount 1 - MicroMELF Silicon Junction - 2 - - - - -
RS Stock No. 145-2326
Mfr. Part No.BYW54-TR
BrandVishay
TWD7.00
Each (On a Reel of 5000)
units
Single 2A Through Hole 1 600V SOD-57 Silicon Junction 1V 2 18pF -55 °C +175 °C 4mm -