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. 885-5353
Mfr. Part No.1N5408-T
HK$2.63
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 823-2520
Mfr. Part No.BAW101-7
HK$1.174
Each (In a Pack of 100)
units
Series - Surface Mount 4 - SOT-143 Silicon Junction 1.1V 4 - -65 °C +150 °C 3mm 1.4mm
RS Stock No. 885-5344
Mfr. Part No.1N5406-T
HK$1.524
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-201AD Silicon Junction - 2 - -65 °C +150 °C 9.5mm -
RS Stock No. 751-2724
Mfr. Part No.1N4005-T
HK$0.62
Each (In a Pack of 250)
units
Single 1A Through Hole 1 600V DO-41 - 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 146-0586
Mfr. Part No.1N5406-T
HK$1.136
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. 121-9499
Mfr. Part No.1N4005-T
HK$0.233
Each (On a Reel of 10000)
units
Single 1A Through Hole 1 600V DO-41 Silicon Junction 1V 2 15pF -65 °C +150 °C 5.21mm -
RS Stock No. 751-4802
Mfr. Part No.S3JB-13-F
HK$4.736
Each (On a Tape of 25)
units
Single 3A Stud 1 600V SMB - 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 122-0272
Mfr. Part No.MURS160-13-F
HK$0.864
Each (On a Reel of 3000)
units
Single 1A Surface Mount 1 600V SMB Silicon Junction 1.25V 2 10pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 751-2718
Mfr. Part No.1N4001-T
HK$0.62
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. 922-8070
Mfr. Part No.1N4148WS-7-F
HK$0.282
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 122-3236
Mfr. Part No.BAW101-7
HK$0.547
Each (On a Reel of 3000)
units
Series - Surface Mount 4 - SOT-143 Silicon Junction 1.1V 4 - -65 °C +150 °C 3mm 1.4mm
RS Stock No. 122-1191
Mfr. Part No.S3JB-13-F
HK$2.235
Each (On a Reel of 3000)
units
Single 3A Stud 1 600V SMB Silicon Junction 1.15V 2 40pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 751-4613
Mfr. Part No.MURS160-13-F
HK$2.541
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 600V SMB - 1.25V 2 10pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 922-8254
Mfr. Part No.1N4001-T
HK$0.27
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. 751-4379
Mfr. Part No.ES3DB-13-F
HK$4.542
Each (In a Pack of 10)
units
Single 3A Stud 1 200V SMB - 900mV 2 45pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 121-9429
Mfr. Part No.1N4448HWT-7
HK$0.458
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-523 Silicon Junction - 2 - - - - -
RS Stock No. 169-7384
Mfr. Part No.BAS21W-7-F
HK$0.369
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOT-323 (SC-70) Silicon Junction 1.25V 3 - -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 751-4705
Mfr. Part No.RS1B-13-F
HK$2.541
Each (On a Tape of 50)
units
Single 1A Surface Mount 1 100V SMA - 1.3V 2 15pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 751-4691
Mfr. Part No.PDU620-13
HK$11.95
Each (In a Pack of 5)
units
Single 6A Surface Mount 1 200V PowerDI 5 - 975mV 3 375pF -65 °C +175 °C 5.45mm 4.05mm
RS Stock No. 166-0450
Mfr. Part No.BAS21T-7-F
HK$0.59
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOT-523 (SC-89) Silicon Junction - 3 - - - - -