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. 165-7107
Mfr. Part No.FEP30JP-E3/45
BrandVishay
$3.35
Each (In a Tube of 30)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 1.5V 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 812-2151
Mfr. Part No.FEP30JP-E3/45
BrandVishay
$5.12
Each (In a Pack of 2)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 1.5V 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 811-9893
Mfr. Part No.MUR460-E3/54
BrandVishay
$0.772
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 918-9708
Mfr. Part No.1N4148WS-E3-08
BrandVishay
$0.057
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.2V 2 4pF -55 °C +150 °C 1.95mm 1.5mm
RS Stock No. 145-2332
Mfr. Part No.GSD2004S-E3-08
BrandVishay
$0.075
Each (On a Reel of 3000)
units
Series 225mA Surface Mount 2 250V SOT-23 Silicon Junction 1V 3 5pF -55 °C +150 °C 3.1mm 1.43mm
RS Stock No. 812-9178
Mfr. Part No.RGP30K-E3/54
BrandVishay
$1.19
Each (In a Pack of 20)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.3V 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 903-0798
Mfr. Part No.GSD2004S-E3-08
BrandVishay
$0.165
Each (On a Reel of 250)
units
Series 225mA Surface Mount 2 250V SOT-23 Silicon Junction 1V 3 5pF -55 °C +150 °C 3.1mm 1.43mm
RS Stock No. 145-2326
Mfr. Part No.BYW54-TR
BrandVishay
$0.306
Each (On a Reel of 5000)
units
Single 2A Through Hole 1 600V SOD-57 Silicon Junction 1V 2 18pF -55 °C +175 °C 4mm -
RS Stock No. 165-7197
Mfr. Part No.RGP30K-E3/54
BrandVishay
$0.604
Each (On a Reel of 1400)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.3V 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 902-6663
Mfr. Part No.BYW54-TR
BrandVishay
$0.754
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. 700-3677
Mfr. Part No.1N4148WS-E3-08
BrandVishay
$0.116
Each (In a Pack of 100)
units
Single 150mA Surface Mount 1 75V SOD-323 - 1.2V 2 4pF -55 °C +150 °C 1.95mm 1.5mm
RS Stock No. 145-2146
Mfr. Part No.S07M-GS18
BrandVishay
$0.131
Each (On a Reel of 10000)
units
Single 1.5A Surface Mount 1 1000V DO-219AB Silicon Junction 1.1V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 700-3863
Mfr. Part No.BAV21-TAP
BrandVishay
$0.105
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1V 2 - -65 °C +175 °C 3.9mm 1.7mm
RS Stock No. 812-2177
Mfr. Part No.FES8BT-E3/45
BrandVishay
$1.26
Each (In a Pack of 10)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 950mV 2 - -55 °C +150 °C 10.54mm 4.7mm
RS Stock No. 169-6127
Mfr. Part No.BAV99-E3-08
BrandVishay
$0.055
Each (On a Reel of 3000)
units
Series 150mA Surface Mount 2 100V SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 3.1mm 1.43mm
RS Stock No. 918-9698
Mfr. Part No.1N4148-TAP
BrandVishay
$0.02
Each (On a Reel of 10000)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm
RS Stock No. 710-4550
Mfr. Part No.S07M-GS18
BrandVishay
$0.538
Each (In a Pack of 25)
units
Single 1.5A Surface Mount 1 1000V DO-219AB - 1.1V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 169-6106
Mfr. Part No.BAV21-TAP
BrandVishay
$0.031
Each (On a Reel of 50000)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1V 2 - -65 °C +175 °C 3.9mm 1.7mm
RS Stock No. 710-2765
Mfr. Part No.BAV99-E3-08
BrandVishay
$0.142
Each (In a Pack of 100)
units
Series 150mA Surface Mount 2 100V SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 3.1mm 1.43mm
RS Stock No. 700-3674
Mfr. Part No.1N4148-TAP
BrandVishay
$0.059
Each (In a Pack of 250)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm