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. 121-9497
Mfr. Part No.1N4003-T
$0.04
Each (On a Reel of 10000)
units
Single 1A Through Hole 1 200V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 795-8486
Mfr. Part No.STTH2R06
$0.621
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. 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. 751-2715
Mfr. Part No.1N4003-T
$0.09
Each (In a Pack of 250)
units
Single 1A Through Hole 1 200V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
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. 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. 792-5322
Mfr. Part No.1N5408RLG
$0.421
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 774-3344
Mfr. Part No.1N5408G
$0.439
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
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. 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. 145-2332
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. 761-3723
Mfr. Part No.S1G
$0.266
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -55 °C +150 °C 4.75mm 2.95mm
RS Stock No. 177-5428
Mfr. Part No.CD0603-S01575
BrandBourns
$0.086
Each (On a Reel of 5000)
units
Single - Surface Mount 1 - 0603 (1608M) Silicon Junction 1V 2 - -40 °C +125 °C 1.8mm 1mm
RS Stock No. 122-3388
Mfr. Part No.1N5408-T
$0.158
Each (On a Reel of 1200)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 751-4694
Mfr. Part No.PR1007G-T
$0.39
Each (In a Pack of 50)
units
Single 1A Through Hole 1 1000V DO-41 - 1.3V 2 8pF -65 °C +150 °C 5.21mm -
RS Stock No. 168-7879
Mfr. Part No.STTH9012TV2
$38.65
Each (In a Tube of 10)
units
Isolated 45A Panel Mount 2 1200V ISOTOP Silicon Junction 1.9V 4 45pF - +150 °C 38.2mm 24.8mm
RS Stock No. 145-8929
Mfr. Part No.IDW40E65D2FKSA1
BrandInfineon
$3.94
Each (In a Tube of 30)
units
Single - Through Hole 1 - TO-247 Silicon Junction 2.3V 3 - -40 °C +175 °C 16.13mm 5.21mm
RS Stock No. 781-5856
Mfr. Part No.MSRF860G
$1.11
Each (In a Pack of 10)
units
Single - Through Hole 1 - TO-220 Silicon Junction 1.7V 2 - -65 °C +150 °C 10.63mm 4.90mm
RS Stock No. 751-3443
Mfr. Part No.BAV20W-7-F
$0.121
Each (In a Pack of 100)
units
Single 400mA Surface Mount 1 100V SOD-123 - 1.25V 2 5pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 914-0214
Mfr. Part No.IDW40E65D2FKSA1
BrandInfineon
$4.63
Each (In a Pack of 6)
units
Single - Through Hole 1 - TO-247 Silicon Junction 2.3V 3 - -40 °C +175 °C 16.13mm 5.21mm
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