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. 796-9426
Mfr. Part No.RSFDL R3
TWD8.70
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. 906-6876
Mfr. Part No.CDSU4148
TWD2.70
Each (In a Pack of 500)
units
Single 150mA Surface Mount 1 75V SOD-523F - 1V 2 4pF - +125 °C 1.8mm 1mm
RS Stock No. 181-7330
Mfr. Part No.BAS316,135
BrandNexperia
TWD0.50
Each (On a Reel of 10000)
units
Single 250mA Surface Mount 1 100V SOD-323 - - 2 1.5pF -65 °C +150 °C 1.8mm 1.35mm
RS Stock No. 180-8198
Mfr. Part No.BAS16-E3-08
BrandVishay
TWD1.00
Each (On a Reel of 3000)
units
- - - - - - - - - - - - - -
RS Stock No. 781-0974
Mfr. Part No.MUR180ERLG
TWD12.60
Each (In a Pack of 25)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 182-5531
Mfr. Part No.1SS302A,LF(T
BrandToshiba
TWD3.20
Each (In a Pack of 100)
units
2x Series Pair 300mA Surface Mount 2 85V USM Silicon Junction - 3 3pF - +150 °C 2mm 1.25mm
RS Stock No. 177-7601
Mfr. Part No.MCL4151-TR
BrandVishay
TWD1.00
Each (On a Reel of 2500)
units
- - - - - - - - - - - - - -
RS Stock No. 263-6847
Mfr. Part No.1SS380TE-17
BrandROHM
TWD7.20
Each (In a Pack of 10)
units
Single - Surface Mount 1 - SOD-323 Silicon Junction 1.2V 2 - -55 °C +125 °C 1.7mm 1.25mm
RS Stock No. 169-8597
Mfr. Part No.FDH300ATR
TWD1.00
Each (On a Reel of 10000)
units
Single - Surface Mount 1 - SOD-80 Silicon Junction 1V 2 - - - - -
RS Stock No. 781-1226
Mfr. Part No.SURA8120T3G
TWD11.10
Each (In a Pack of 10)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 875mV 2 - -65 °C +175 °C 4.57mm 2.92mm
RS Stock No. 812-2050
Mfr. Part No.EGL34D-E3/98
BrandVishay
TWD12.20
Each (On a Tape of 50)
units
Single - Surface Mount 1 - DO-213AA Silicon Junction 1.25V 2 - -65 °C +175 °C 3.68mm -
RS Stock No. 795-9189
Mfr. Part No.STTH802CB-TR
TWD21.60
Each (On a Tape of 10)
units
Common Cathode 2 x 4A Surface Mount 2 200V DPAK (TO-252) Silicon Junction 1.25V 3 - - +175 °C 6.6mm 6.2mm
RS Stock No. 725-8653
Mfr. Part No.BAS56,215
BrandNexperia
TWD7.70
Each (In a Pack of 50)
units
Isolated - Surface Mount 2 - SOT-143B - - 4 - - - - -
RS Stock No. 165-7125
Mfr. Part No.EGL41D-E3/96
BrandVishay
TWD4.90
Each (On a Reel of 1500)
units
Single - Surface Mount 1 - DO-213AB Silicon Junction 1V 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 178-4824
Mfr. Part No.1N5407G
TWD4.90
Each (In a Bag of 500)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 725-8688
Mfr. Part No.BAS16H,115
BrandNexperia
TWD3.50
Each (In a Pack of 100)
units
Single 215mA Surface Mount 1 - SOD-123F - 1.25V 2 - -65 °C +150 °C 2.7mm 1.7mm
RS Stock No. 171-4403
Mfr. Part No.BAS21VMTE-17
BrandROHM
TWD2.60
Each (In a Pack of 250)
units
Single 200mA Surface Mount 1 200V SOD-323, UMD Silicon Junction 1.25V 2 2.5pF - +150 °C 1.7mm 1.25mm
New
RS Stock No. 218-4379
Mfr. Part No.IDW75D65D1XKSA1
BrandInfineon
TWD67.00
Each (In a Pack of 5)
units
Single 75A Through Hole 1 650V TO-247 Silicon Junction - 3 - - - - -
RS Stock No. 168-3349
Mfr. Part No.DA2710100L
BrandPanasonic
TWD1.00
Each (On a Reel of 10000)
units
Single - Surface Mount 1 - SSSMini2 F4 B Silicon Junction 1.2V 2 - - +150 °C 1mm 0.6mm
RS Stock No. 124-2276
Mfr. Part No.BAS416,115
BrandNexperia
TWD1.40
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 75V SOD-323 Silicon Junction 1.25V 2 - -65 °C +150 °C 1.8mm 1.35mm