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. 145-3362
Mfr. Part No.SBAW56LT1G
$0.087
Each (On a Reel of 3000)
units
Common Anode 200mA Surface Mount 2 70V SOT-23 Silicon Junction 1.25V 3 2pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 738-4728
Mfr. Part No.1N4148W-7-F
$0.095
Each (In a Pack of 200)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 103-2977
Mfr. Part No.MUR1100ERLG
$0.22
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C 5.2mm 2.7mm
RS Stock No. 178-7393
Mfr. Part No.BAS16E6327HTSA1
BrandInfineon
$0.051
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOT-23 Silicon Junction 1.25V 3 - - +150 °C 2.9mm 1.3mm
RS Stock No. 165-7107
Mfr. Part No.FEP30JP-E3/45
BrandVishay
$3.361
Each (In a Tube of 30)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 1.5V 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 812-2151
Mfr. Part No.FEP30JP-E3/45
BrandVishay
$5.565
Each (In a Pack of 2)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 1.5V 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 708-7994
Mfr. Part No.BA159-E3/54
BrandVishay
$0.184
Each (In a Pack of 100)
units
Single 1A Through Hole 1 1000V DO-204AL - 1.3V 2 - -65 °C +125 °C 5.2mm 2.7mm
RS Stock No. 145-3201
Mfr. Part No.M1MA152WKT1G
$0.044
Each (On a Reel of 3000)
units
Common Cathode 100 mA, 150 mA Surface Mount 2 80V SOT-346 (SC-59) Silicon Junction 1.2V 3 2pF - +150 °C 3.1mm 1.7mm
RS Stock No. 922-8254
Mfr. Part No.1N4001-T
$0.05
Each (On a Reel of 5000)
units
Single 1A Through Hole 1 50V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 177-7382
Mfr. Part No.BA159-E3/54
BrandVishay
$0.059
Each (On a Reel of 5500)
units
Single 1A Through Hole 1 1000V DO-204AL Silicon Junction 1.3V 2 - -65 °C +125 °C 5.2mm 2.7mm
RS Stock No. 805-1488
Mfr. Part No.M1MA152WKT1G
$0.082
Each (In a Pack of 250)
units
Common Cathode 100 mA, 150 mA Surface Mount 2 80V SOT-346 (SC-59) Silicon Junction 1.2V 3 2pF - +150 °C 3.1mm 1.7mm
RS Stock No. 751-2718
Mfr. Part No.1N4001-T
$0.112
Each (In a Pack of 250)
units
Single 1A Through Hole 1 50V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 146-2305
Mfr. Part No.FR104 R0
$0.052
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.2V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 793-0848
Mfr. Part No.MMSD4148T3G
$0.117
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.84mm 1.8mm
RS Stock No. 829-0478
Mfr. Part No.STTH30W02CW
$3.014
Each (In a Pack of 5)
units
Common Cathode 30A Through Hole 2 200V TO-247 - 1.4V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 761-4283
Mfr. Part No.1N4148WT
$0.102
Each (In a Pack of 100)
units
Single 300mA Surface Mount 1 75V SOD-523 Silicon Junction 1V 2 4pF -55 °C +150 °C 1.3mm 0.9mm
RS Stock No. 796-5963
Mfr. Part No.FR104 R0
$0.065
Each (In a Pack of 250)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.2V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 774-3344
Mfr. Part No.1N5408G
$0.509
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C - -
RS Stock No. 170-3541
Mfr. Part No.MMSD4148T3G
$0.029
Each (On a Reel of 10000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.84mm 1.8mm
RS Stock No. 792-5322
Mfr. Part No.1N5408RLG
$0.449
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1V 2 - -65 °C +150 °C 9.5mm -