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. 796-9644
Mfr. Part No.BAV20 R0
$0.056
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. 813-0752
Mfr. Part No.LL4154-GS08
BrandVishay
$0.071
Each (In a Pack of 250)
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Single 300mA Surface Mount 1 25V SOD-80 - 1V 2 4pF - +175 °C 2.7mm -
RS Stock No. 183-5026
Mfr. Part No.DA221WMTL
BrandROHM
$0.059
Each (In a Pack of 150)
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- 200mA Surface Mount 2 20V SOT-416FL - - 3 4pF - +150 °C 1.7mm 0.96mm
RS Stock No. 885-5338
Mfr. Part No.10A05-T
$0.58
Each (In a Pack of 10)
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Single - Through Hole 1 - R 6 - - 2 - -65 °C +150 °C 9.1mm -
RS Stock No. 815-1235
Mfr. Part No.BAV100-GS08
BrandVishay
$0.085
Each (On a Tape of 250)
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Single 250mA Surface Mount 1 50V SOD-80 Silicon Junction 1V 2 1.5pF - +175 °C 3.7mm 1.6mm
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High speed small signal switching diodes from Infineon with current ratings of up to 1A and reverse voltage ratings of up to 400V Many of these devices are available in dual, triple and quad configurations.
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High speed small signal switching diodes from Infineon with current ratings of up to 1A and reverse voltage ratings of up to 400V Many of these devices are available in dual, triple and quad configurations.
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High speed small signal switching diodes from Infineon with current ratings of up to 1A and reverse voltage ratings of up to 400V Many of these devices are available in dual, triple and quad configurations.