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. 842-8276
Mfr. Part No.1N4148
€0.011
Each (On a Reel of 2000)
units
- - - - - - - - - - - - - -
RS Stock No. 843-1562
Mfr. Part No.1N4148
€0.017
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
€0.008
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. 124-1307
Mfr. Part No.1N4148TR
€0.007
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. 739-0290
Mfr. Part No.1N4148TA
€0.039
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. 671-5477
Mfr. Part No.1N4148TR
€0.037
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. 842-8002
Mfr. Part No.1N4148
€0.009
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. 625-5313
Mfr. Part No.MR856RLG
€0.38
Each
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.25V 2 - -65 °C +125 °C 9.5mm 5.3mm
RS Stock No. 121-6331
Mfr. Part No.1N4001RLG
€0.033
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. 103-5128
Mfr. Part No.1N4001G
€0.037
Each (In a Bag of 1000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 781-5562
Mfr. Part No.1N4001RLG
€0.054
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 145-3101
Mfr. Part No.MR856RLG
€0.084
Each (On a Reel of 1200)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.25V 2 - -65 °C +125 °C 9.5mm 5.3mm
RS Stock No. 774-3265
Mfr. Part No.1N4001G
€0.152
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 145-2837
Mfr. Part No.MURH840CTG
€1.029
Each (In a Tube of 50)
units
Common Cathode - Through Hole 2 - TO-220 Silicon Junction 2.2V 3 - -65 °C +175 °C 10.28mm 4.82mm
RS Stock No. 781-1065
Mfr. Part No.MURH840CTG
€1.244
Each (In a Pack of 5)
units
Common Cathode - Through Hole 2 - TO-220 Silicon Junction 2.2V 3 - -65 °C +175 °C 10.28mm 4.82mm
RS Stock No. 774-3271
Mfr. Part No.1N4004G
€0.119
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 103-5135
Mfr. Part No.1N5408G
€0.11
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 145-4132
Mfr. Part No.SBAS21LT1G
€0.043
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 200V SOT-23 Silicon Junction 1.25V 3 5pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 792-5322
Mfr. Part No.1N5408RLG
€0.197
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 781-5143
Mfr. Part No.SBAS21LT3G
€0.024
Each (In a Pack of 50)
units
Single 200mA Surface Mount 1 250V SOT-23 Silicon Junction 1.25V 3 5pF -55 °C +150 °C 3.04mm 1.4mm