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
PHP0.195
Each (On a Reel of 2000)
units
- - - - - - - - - - - - - -
RS Stock No. 739-0290
Mfr. Part No.1N4148TA
PHP2.118
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. 843-1562
Mfr. Part No.1N4148
PHP1.045
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
PHP0.283
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. 842-8002
Mfr. Part No.1N4148
PHP0.437
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
PHP2.746
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. 124-1307
Mfr. Part No.1N4148TR
PHP0.42
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. 761-3476
Mfr. Part No.1N4148WS
PHP2.63
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. 103-2962
Mfr. Part No.MURS120T3G
PHP4.41
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
PHP16.67
Each
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 875mV 2 - - - - -
RS Stock No. 761-4283
Mfr. Part No.1N4148WT
PHP2.84
Each (In a Pack of 100)
units
Single 300mA Surface Mount 1 75V SOD-523 Silicon Junction 1V 2 4pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 124-1361
Mfr. Part No.1N4148WT
PHP1.149
Each (On a Reel of 8000)
units
Single 300mA Surface Mount 1 75V SOD-523 Silicon Junction 1V 2 4pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 625-5379
Mfr. Part No.MURD620CTG
PHP44.48
Each
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - - - - -
RS Stock No. 781-5225
Mfr. Part No.SMMBD914LT1G
PHP4.536
Each (In a Pack of 50)
units
Single 200mA Surface Mount 1 100V SOT-23 - 1V 3 4pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 145-4737
Mfr. Part No.SMMBD914LT1G
PHP2.492
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 100V SOT-23 Silicon Junction 1V 3 4pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 545-2939
Mfr. Part No.MUR1560G
PHP58.29
Each (In a Pack of 5)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.5V 2 - - - - -
RS Stock No. 625-6574
Mfr. Part No.MURS360T3G
PHP19.06
Each (In a Pack of 10)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 163-1177
Mfr. Part No.SMMBD914LT3G
PHP2.70
Each (On a Reel of 10000)
units
Single 200mA Surface Mount 1 100V SOT-23 Silicon Junction 1V 3 4pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 103-3904
Mfr. Part No.MURS360T3G
PHP12.571
Each (On a Reel of 2500)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 103-3890
Mfr. Part No.MURD620CTG
PHP31.727
Each (In a Tube of 75)
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - - - - -