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. 184-0990
Mfr. Part No.MMBD1201
$0.038
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 100V SOT-23 - - 3 2pF - +150 °C 2.92mm 1.3mm
RS Stock No. 145-1806
Mfr. Part No.S07B-GS08
BrandVishay
$0.147
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - DO-219AB Silicon Junction 1.1V 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 122-1199
Mfr. Part No.SBR02M30LP-7
$0.20
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 30V DFN-1006 Silicon Junction 610mV 2 85pF -65 °C +175 °C 1.08mm 0.675mm
RS Stock No. 781-1254
Mfr. Part No.SURS8140T3G
$0.453
Each (On a Tape of 25)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 1.25V 2 - -65 °C +175 °C 4.6mm 3.95mm
RS Stock No. 168-1592
Mfr. Part No.DA227YT2R
BrandROHM
$0.52
Each (In a Pack of 50)
units
- - Surface Mount 2 - EMD, SC-107A, SOT-543 - - 4 - - +150 °C 1.7mm 1.3mm
RS Stock No. 145-2695
Mfr. Part No.S1K-E3/5AT
BrandVishay
$0.085
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -55 °C +150 °C 4.5mm 2.79mm
RS Stock No. 171-3900
Mfr. Part No.BAS21VMTE-17
BrandROHM
$0.039
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 200V SOD-323, UMD Silicon Junction 1.25V 2 2.5pF - +150 °C 1.7mm 1.25mm
RS Stock No. 177-7388
Mfr. Part No.BA158-E3/54
BrandVishay
$0.058
Each (On a Reel of 5500)
units
Single - Through Hole 1 - DO-204AL Silicon Junction - 2 - -65 °C +125 °C 5.2mm -
RS Stock No. 774-3600
Mfr. Part No.MUR1100EG
$0.622
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 145-2246
Mfr. Part No.RGL41A-E3/96
BrandVishay
$0.159
Each (On a Reel of 1500)
units
Single - Surface Mount 1 - DO-213AB Silicon Junction 1.3V 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 121-9525
Mfr. Part No.BAV3004W-7-F
$0.083
Each (On a Reel of 3000)
units
Single 225mA Surface Mount 1 300V SOD-123 Silicon Junction 1.25V 2 5pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 796-9284
Mfr. Part No.HS3K R7
$0.373
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. 165-6325
Mfr. Part No.AR1PM-M3/84A
BrandVishay
$0.191
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - DO-220AA Silicon Junction 1.6V 2 - -55 °C +175 °C 3.61mm 2.18mm
RS Stock No. 180-8725
Mfr. Part No.1N4448TR
BrandVishay
$0.101
Each (In a Pack of 200)
units
- - - - - - - - - - - - - -
RS Stock No. 751-4821
Mfr. Part No.S5BC-13-F
$0.57
Each (In a Pack of 10)
units
Single 5A Surface Mount 1 100V SMC - 1.15V 2 40pF -65 °C +150 °C 7.11mm 6.22mm
RS Stock No. 168-8101
Mfr. Part No.STTH16R04CT
$2.49
Each (In a Tube of 50)
units
Common Cathode 16A Through Hole 2 400V TO-220AB Silicon Junction 1.75V 3 - -40 °C +175 °C 10.4mm 4.6mm
RS Stock No. 121-9616
Mfr. Part No.1N4448WSF-7
$0.046
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-323F Silicon Junction 1.25V 2 - -65 °C +150 °C 1.8mm 1.35mm
RS Stock No. 182-1844
Mfr. Part No.BAS316,115
BrandNexperia
$0.101
Each (In a Pack of 300)
units
- - - - - - - - - - - - - -
RS Stock No. 152-7782
Mfr. Part No.BAS116GWX
BrandNexperia
$0.165
Each (In a Pack of 100)
units
Single 215mA Surface Mount 1 75V SOD-123 - - 2 - -55 °C +150 °C 2.8mm 1.7mm
RS Stock No. 818-5244
Mfr. Part No.USB260HM3/52T
BrandVishay
$0.968
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 1.6V 2 - -55 °C +150 °C 4.57mm 3.94mm
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