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. 146-2253
Mfr. Part No.1N4148 A0
MYR0.052
Each (On a Tape of 5000)
units
Single 150mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +150 °C 5.08mm 2.3mm
RS Stock No. 652-7343
Mfr. Part No.1N4148 A0
MYR0.078
Each (In a Pack of 500)
units
Single 150mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +150 °C 5.08mm 2.3mm
RS Stock No. 170-4033
Mfr. Part No.ES3G R7
MYR0.92
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.3V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 748-5098
Mfr. Part No.ES1JL R2
MYR0.66
Each (In a Pack of 50)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 1.7V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 796-5825
Mfr. Part No.ES1JL R3
MYR1.063
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.7V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 169-9307
Mfr. Part No.ES1JL R2
MYR0.384
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 1.7V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 796-5890
Mfr. Part No.ES3G R7
MYR1.41
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.3V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 177-5851
Mfr. Part No.ES1JL R3
MYR0.563
Each (On a Reel of 1800)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.7V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 796-9284
Mfr. Part No.HS3K R7
MYR1.337
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.7V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 170-4080
Mfr. Part No.HS3K R7
MYR0.865
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.7V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 796-9644
Mfr. Part No.BAV20 R0
MYR0.096
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. 796-9420
Mfr. Part No.RSFGL R3
MYR0.421
Each (In a Pack of 50)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 1.3V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 170-4105
Mfr. Part No.RSFGL R3
MYR0.287
Each (On a Reel of 1800)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 1.3V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 748-5108
Mfr. Part No.LL4448 L1
MYR0.071
Each (In a Pack of 300)
units
Single - Surface Mount 1 - MiniMELF Silicon Junction 1V 2 - -65 °C +200 °C 3.7mm 1.6mm
RS Stock No. 796-9410
Mfr. Part No.RS3K R7
MYR1.186
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.3V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 146-2323
Mfr. Part No.RS3K R7
MYR0.516
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.3V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 169-9314
Mfr. Part No.RSFML R2
MYR0.301
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 1.3V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 796-5963
Mfr. Part No.FR104 R0
MYR0.101
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. 796-6036
Mfr. Part No.HS1K R3
MYR1.614
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.7V 2 - -55 °C +150 °C 4.6mm 2.83mm
RS Stock No. 177-5846
Mfr. Part No.ES2D R5
MYR0.499
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 950mV 2 - -55 °C +150 °C 4.75mm 3.73mm