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. 922-8254
Mfr. Part No.1N4001-T
€0.026
Each (On a Reel of 5000)
units
Single 1A Through Hole 1 50V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 751-2718
Mfr. Part No.1N4001-T
€0.059
Each (In a Pack of 250)
units
Single 1A Through Hole 1 50V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 738-4728
Mfr. Part No.1N4148W-7-F
€0.053
Each (In a Pack of 200)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 751-2727
Mfr. Part No.1N4148W-13-F
€0.058
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. 922-8263
Mfr. Part No.1N4148W-13-F
€0.049
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. 922-8077
Mfr. Part No.1N4148W-7-F
€0.022
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 121-9499
Mfr. Part No.1N4005-T
€0.022
Each (On a Reel of 10000)
units
Single 1A Through Hole 1 600V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 751-4938
Mfr. Part No.SDA004-7
€0.244
Each (In a Pack of 10)
units
2x Series Pair 500mA Surface Mount - 80V SOT-363 (SC-88) Silicon Junction 1.25V 6 5.3pF -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 122-1209
Mfr. Part No.SDA004-7
€0.063
Each (On a Reel of 3000)
units
2x Series Pair 500mA Surface Mount - 80V SOT-363 (SC-88) Silicon Junction 1.25V 6 5.3pF -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 751-2724
Mfr. Part No.1N4005-T
€0.058
Each (In a Pack of 250)
units
Single 1A Through Hole 1 600V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 922-8070
Mfr. Part No.1N4148WS-7-F
€0.024
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 885-5353
Mfr. Part No.1N5408-T
€0.217
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 121-9552
Mfr. Part No.ES2D-13-F
€0.246
Each (On a Reel of 3000)
units
Single 2A Stud 1 200V SMB Silicon Junction 920mV 2 25pF -55 °C +150 °C 3.94mm 3.94mm
RS Stock No. 122-0241
Mfr. Part No.ES2DA-13-F
€0.104
Each (On a Reel of 5000)
units
Single 2A Surface Mount 1 200V SMA Silicon Junction 920mV 2 25pF -55 °C +150 °C 2.92mm 2.92mm
RS Stock No. 122-0851
Mfr. Part No.BAS16LP-7
€0.075
Each (On a Reel of 3000)
units
Single 300mA Surface Mount 1 75V DFN Silicon Junction 1.25V 2 2pF -65 °C +150 °C 1.08mm 0.675mm
RS Stock No. 751-4770
Mfr. Part No.S1MB-13-F
€0.102
Each (In a Pack of 100)
units
Single 1A Surface Mount 1 1000V SMB - 1.1V 2 10pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 751-4492
Mfr. Part No.MMBD3004S-7-F
€0.153
Each (In a Pack of 25)
units
Series 225mA Surface Mount 2 300V SOT-23 - 1.25V 3 5pF -65 °C +150 °C 3mm 1.4mm
RS Stock No. 751-4720
Mfr. Part No.RS1MB-13-F
€0.255
Each (In a Pack of 50)
units
Single 1A Surface Mount 1 1000V SMB - 1.3V 2 15pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 751-4613
Mfr. Part No.MURS160-13-F
€0.24
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 600V SMB - 1.25V 2 10pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 122-0243
Mfr. Part No.ES3D-13-F
€0.192
Each (On a Reel of 3000)
units
Single 3A Stud 1 200V SMC Silicon Junction 900mV 2 45pF -55 °C +150 °C 7.11mm 6.22mm