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. 751-4773
Mfr. Part No.S2A-13-F
$0.456
Each (In a Pack of 50)
units
Single 1.5A Surface Mount 1 50V SMB Silicon Junction 1.15V 2 20pF -65 °C 150 °C 4.57mm 3.94mm
RS Stock No. 163-2050
Mfr. Part No.BAV199LT1G
$0.051
Each (On a Reel of 3000)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 3.04mm 1.4mm
RS Stock No. 170-4060
Mfr. Part No.HS1K R3
$0.103
Each (On a Reel of 1800)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.7V 2 - -55 °C +150 °C 4.6mm 2.83mm
RS Stock No. 796-5840
Mfr. Part No.ES2D R5
$0.553
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 950mV 2 - -55 °C +150 °C 4.75mm 3.73mm
RS Stock No. 751-4859
Mfr. Part No.SBR02M30LP-7
$0.573
Each (On a Tape of 25)
units
Single 200mA Surface Mount 1 30V DFN-1006 - 610mV 2 85pF -65 °C +175 °C 1.08mm 0.675mm
RS Stock No. 751-4354
Mfr. Part No.ES2D-13-F
$0.90
Each (In a Pack of 25)
units
Single 2A Stud 1 200V SMB Silicon Junction 920mV 2 25pF -55 °C +150 °C 3.94mm 3.94mm
RS Stock No. 738-4850
Mfr. Part No.BAV199W-7
$0.121
Each (In a Pack of 100)
units
Series - Surface Mount 2 - SOT-323 (SC-70) Silicon Junction 1.25V 3 - -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 131-2783
Mfr. Part No.DAN202UMTL
BrandROHM
$0.105
Each (In a Pack of 200)
units
Common Cathode 300mA Surface Mount 2 80V SOT-323FL - 1.2V 3 3.5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 781-0970
Mfr. Part No.MUR1615CTG
$1.05
Each (In a Pack of 10)
units
Common Cathode - Through Hole 2 - TO-220 Silicon Junction 975mV 3 - -65 °C +175 °C 10.28mm 4.82mm
RS Stock No. 159-6619
Mfr. Part No.DGP30-E3/54
BrandVishay
$0.869
Each (On a Reel of 1400)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 703-3690
Mfr. Part No.DA3S101F0L
BrandPanasonic
$0.487
Each (In a Pack of 20)
units
Series - Surface Mount 2 - SSMini3 F3 B Silicon Junction 1.2V 3 - - +150 °C 1.6mm 0.85mm
RS Stock No. 781-1100
Mfr. Part No.NRVA4007T3G
$0.418
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -55 °C +175 °C 4.57mm 2.92mm
RS Stock No. 816-8905
Mfr. Part No.BAS21W,115
BrandNexperia
$0.094
Each (In a Pack of 100)
units
Single 225mA Surface Mount 1 250V SOT-323 (SC-70) Silicon Junction 1.25V 3 2pF -55 °C +150 °C 2.2mm 1.35mm
RS Stock No. 180-7083
Mfr. Part No.VS-8EWH02FN-M3
BrandVishay
$1.18
Each (In a Tube of 75)
units
Single 8A Surface Mount 1 200V TO-252AA - - 3 + Tab 22pF -65 °C +175 °C 6.73mm 6.22mm
RS Stock No. 902-6641
Mfr. Part No.BA158-E3/54
BrandVishay
$0.146
Each (In a Pack of 250)
units
Single - Through Hole 1 - DO-204AL - - 2 - -65 °C +125 °C 5.2mm -
RS Stock No. 796-5982
Mfr. Part No.FR106G R0
$0.407
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.3V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 781-1260
Mfr. Part No.SURS8220T3G
$0.597
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 950mV 2 - -65 °C +175 °C 4.6mm 3.95mm
RS Stock No. 761-4057
Mfr. Part No.DSEP15-06A
BrandIXYS
$3.076
Each (In a Pack of 5)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 2.04V 2 - -55 °C +175 °C 10.66mm 4.82mm
RS Stock No. 145-4726
Mfr. Part No.MUR440G
$0.357
Each (In a Bag of 500)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.28V 2 - -65 °C +175 °C - -
RS Stock No. 128-8865
Mfr. Part No.BAW56HMT116
BrandROHM
$0.104
Each (In a Pack of 200)
units
Common Anode 215mA Surface Mount 2 100V SOT-23 Silicon Junction 1.25V 3 2pF - +150 °C 3.1mm 1.5mm
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