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. 761-3476
Mfr. Part No.1N4148WS
TWD1.80
Each (In a Pack of 100)
units
Single 300mA Surface Mount 1 75V SOD-323 Silicon Junction 1V 2 4pF - +150 °C 1.8mm 1.35mm
RS Stock No. 842-8002
Mfr. Part No.1N4148
TWD0.70
Each (In a Box of 2000)
units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 671-5477
Mfr. Part No.1N4148TR
TWD2.00
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
TWD0.70
Each (In a Pack of 250)
units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 124-1312
Mfr. Part No.1N4148TA
TWD0.40
Each (On a Reel of 5000)
units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm -
RS Stock No. 739-0290
Mfr. Part No.1N4148TA
TWD2.10
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 -
RS Stock No. 842-8276
Mfr. Part No.1N4148
TWD0.20
Each (On a Reel of 2000)
units
- - - - - - - - - - - - - -
RS Stock No. 124-1307
Mfr. Part No.1N4148TR
TWD0.30
Each (On a Reel of 10000)
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. 103-2962
Mfr. Part No.MURS120T3G
TWD3.10
Each (On a Reel of 2500)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 875mV 2 - - - - -
RS Stock No. 545-2153
Mfr. Part No.MURS120T3G
TWD14.00
Each
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 875mV 2 - - - - -
RS Stock No. 163-2285
Mfr. Part No.NSV1SS400T1G
TWD2.40
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-523 Silicon Junction 1.2V 2 3pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 802-1667
Mfr. Part No.NSV1SS400T1G
TWD4.90
Each (On a Tape of 100)
units
Single - Surface Mount 1 100V SOD-523 - 1.2V 2 3pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 103-5144
Mfr. Part No.MUR460G
TWD8.90
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. 163-0985
Mfr. Part No.MURA130T3G
TWD3.70
Each (On a Reel of 5000)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -65 °C +175 °C 4.57mm 2.92mm
RS Stock No. 103-2976
Mfr. Part No.MUR460RLG
TWD5.20
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. 781-1037
Mfr. Part No.MURA130T3G
TWD11.20
Each (On a Tape of 25)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -65 °C +175 °C 4.57mm 2.92mm
RS Stock No. 774-3631
Mfr. Part No.MUR460G
TWD16.40
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. 625-4938
Mfr. Part No.MUR460RLG
TWD15.60
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. 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. 103-2958
Mfr. Part No.MUR1520G
TWD28.80
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.05V 2 - - - - -