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. 865-1892
Mfr. Part No.1N4148W-E3-08
BrandVishay
R 0.532
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
R 1.304
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. 165-7107
Mfr. Part No.FEP30JP-E3/45
BrandVishay
R 31.672
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. 812-2151
Mfr. Part No.FEP30JP-E3/45
BrandVishay
R 37.52
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. 169-8965
Mfr. Part No.TS4148 RXG
R 0.382
Each (On a Reel of 5000)
units
Single - Surface Mount 1 - 1206 Silicon Junction 1V 2 - -65 °C +200 °C 3.4mm 1.7mm
RS stock no. 652-6003
Mfr. Part No.TS4148 RXG
R 0.409
Each (In a Pack of 250)
units
Single - Surface Mount 1 - 1206 Silicon Junction 1V 2 - -65 °C +200 °C 3.4mm 1.7mm
RS stock no. 922-8250
Mfr. Part No.10A07-T
R 6.327
Each (On a Reel of 500)
units
Single 10A Through Hole 1 1000V R 6 Silicon Junction 1V 2 80pF -65 °C +150 °C 9.1mm -
RS stock no. 751-2709
Mfr. Part No.10A07-T
R 9.986
Each (In a Pack of 10)
units
Single 10A Through Hole 1 1000V R 6 - 1V 2 80pF -65 °C +150 °C 9.1mm -
RS stock no. 145-3110
Mfr. Part No.MMSD914T1G
R 0.408
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. 922-8077
Mfr. Part No.1N4148W-7-F
R 0.39
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS stock no. 751-2727
Mfr. Part No.1N4148W-13-F
R 0.814
Each (In a Pack of 250)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.85mm 1.7mm
RS stock no. 774-3631
Mfr. Part No.MUR460G
R 8.397
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C - -
RS stock no. 922-8263
Mfr. Part No.1N4148W-13-F
R 0.936
Each (On a Reel of 10000)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.85mm 1.7mm
RS stock no. 738-4728
Mfr. Part No.1N4148W-7-F
R 0.782
Each (In a Pack of 200)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS stock no. 103-2976
Mfr. Part No.MUR460RLG
R 2.159
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. 103-5144
Mfr. Part No.MUR460G
R 3.741
Each (In a Bag of 500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C - -
RS stock no. 690-0010
Mfr. Part No.MMSD914T1G
R 2.256
Each (In a Pack of 25)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.69mm 1.6mm
RS stock no. 625-4938
Mfr. Part No.MUR460RLG
R 4.288
Each (In a Pack of 5)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm 5.3mm
RS stock no. 671-5477
Mfr. Part No.1N4148TR
R 1.92
Each (In a Pack of 20)
units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm 1.91mm
RS stock no. 843-1562
Mfr. Part No.1N4148
R 0.387
Each (In a Pack of 250)
units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -