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. 885-5340
Mfr. Part No.1N5404-T
$0.508
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. 178-7539
Mfr. Part No.MRA4005T1G
$0.084
Each (On a Reel of 1500)
units
- - - - - - - - - - - - - -
RS Stock No. 796-9650
Mfr. Part No.BAV21 R0
$0.183
Each (In a Pack of 250)
units
Single 200mA Through Hole 1 - DO-35 Silicon Junction 1.25V 2 5pF -65 °C +200 °C 5.08mm -
RS Stock No. 796-5963
Mfr. Part No.FR104 R0
$0.065
Each (In a Pack of 250)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.2V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 885-5353
Mfr. Part No.1N5408-T
$0.541
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. 177-5893
Mfr. Part No.BAV21 R0
$0.038
Each (On a Reel of 10000)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1.25V 2 - -65 °C +200 °C 5.08mm -
RS Stock No. 102-2277
Mfr. Part No.MMSD4148T1G
$0.036
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. 649-0926
Mfr. Part No.MRA4005T3G
$0.09
Each (In a Pack of 2500)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.18V 2 - -55 °C +175 °C 4.32mm 2.6mm
RS Stock No. 793-0848
Mfr. Part No.MMSD4148T3G
$0.117
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.84mm 1.8mm
RS Stock No. 121-9428
Mfr. Part No.1N4148WT-7
$0.048
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-523 Silicon Junction - 2 - - - - -
RS Stock No. 748-5133
Mfr. Part No.RS1M R2
$0.892
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.3V 2 - -55 °C +150 °C 4.6mm 2.83mm
RS Stock No. 145-2078
Mfr. Part No.1N4150TAP
BrandVishay
$0.04
Each (On a Reel of 10000)
units
Single 300mA Through Hole 1 50V DO-35 Silicon Junction 1V 2 2.5pF - +175 °C 1.7mm -
RS Stock No. 708-2163
Mfr. Part No.1N4148WT-7
$0.218
Each (In a Pack of 50)
units
Single - Surface Mount 1 - SOD-523 - - 2 - - - - -
RS Stock No. 165-2486
Mfr. Part No.LS4448GS08
BrandVishay
$0.036
Each (On a Reel of 2500)
units
Single 150mA Surface Mount 1 100V Quadro Melf Silicon Junction 1V 2 - -65 °C +175 °C 3.5mm 1.7mm
RS Stock No. 774-3344
Mfr. Part No.1N5408G
$0.509
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 793-0989
Mfr. Part No.MRA4005T1G
$0.162
Each (In a Pack of 100)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.12V 2 - -55 °C +175 °C 4.57mm 2.92mm
RS Stock No. 103-5135
Mfr. Part No.1N5408G
$0.235
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 902-6663
Mfr. Part No.BYW54-TR
BrandVishay
$0.742
Each (In a Pack of 50)
units
Single 2A Through Hole 1 600V SOD-57 - 1V 2 18pF -55 °C +175 °C 4mm -
RS Stock No. 545-2462
Mfr. Part No.MRA4005T3G
$0.386
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.18V 2 - -55 °C +175 °C 4.32mm 2.6mm
RS Stock No. 103-2976
Mfr. Part No.MUR460RLG
$0.24
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