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. 739-0290
Mfr. Part No.1N4148TA
$0.098
Each (In a Pack of 20)
units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm -
RS Stock No. 842-8276
Mfr. Part No.1N4148
$0.006
Each (On a Reel of 2000)
units
- - - - - - - - - - - - - -
RS Stock No. 124-1312
Mfr. Part No.1N4148TA
$0.019
Each (On a Reel of 5000)
units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm -
RS Stock No. 795-8486
Mfr. Part No.STTH2R06
$0.683
Each (In a Pack of 10)
units
Single 2A Through Hole 1 600V DO-41 - 1.7V 2 - -40 °C +175 °C 5.2mm -
RS Stock No. 168-7252
Mfr. Part No.STTH2R06
$0.263
Each (On a Tape of 2000)
units
Single 2A Through Hole 1 600V DO-41 Silicon Junction 1.7V 2 - -40 °C +175 °C 5.2mm -
RS Stock No. 124-1307
Mfr. Part No.1N4148TR
$0.012
Each (On a Reel of 10000)
units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm 1.91mm
RS Stock No. 842-8002
Mfr. Part No.1N4148
$0.02
Each (In a Box of 2000)
units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 671-5477
Mfr. Part No.1N4148TR
$0.093
Each (In a Pack of 20)
units
Single 400mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 4.56mm 1.91mm
RS Stock No. 843-1562
Mfr. Part No.1N4148
$0.035
Each (In a Pack of 250)
units
Single 300mA Through Hole 1 100V DO-35 Silicon Junction 1V 2 4pF - +175 °C - -
RS Stock No. 918-9708
Mfr. Part No.1N4148WS-E3-08
BrandVishay
$0.04
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. 700-3677
Mfr. Part No.1N4148WS-E3-08
BrandVishay
$0.128
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. 170-3487
Mfr. Part No.1N5400RLG
$0.143
Each (On a Reel of 1200)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 145-2828
Mfr. Part No.1N5400G
$0.132
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 774-3329
Mfr. Part No.1N5400G
$0.483
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 781-5581
Mfr. Part No.1N5400RLG
$0.483
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 751-2705
Mfr. Part No.10A04-T
$1.187
Each (In a Pack of 10)
units
Single 10A Through Hole 1 400V R 6 - 1V 2 150pF -65 °C +150 °C 9.1mm -
RS Stock No. 922-8257
Mfr. Part No.10A04-T
$0.605
Each (On a Reel of 500)
units
Single 10A Through Hole 1 400V R 6 Silicon Junction 1V 2 150pF -65 °C +150 °C 9.1mm -
RS Stock No. 170-8973
Mfr. Part No.6A05-T
$0.335
Each (On a Tape of 500)
units
Single - Through Hole 1 - R 6 Silicon Junction - 2 - -65 °C +175 °C 9.1mm -
RS Stock No. 885-5375
Mfr. Part No.6A05-T
$0.337
Each (In a Pack of 20)
units
Single - Through Hole 1 - R 6 Silicon Junction - 2 - -65 °C +175 °C 9.1mm -
RS Stock No. 781-0996
Mfr. Part No.MUR3060WTG
$7.72
Each (In a Pack of 2)
units
Common Cathode - Through Hole 2 - TO-247 Silicon Junction 1.7V 3 - -65 °C +175 °C 16.26mm 5.3mm
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