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. 885-5511
Mfr. Part No.MMBD4148PLM-7
TWD4.90
Each (In a Pack of 50)
units
Common Cathode 300mA Surface Mount 5 75V DFN - 1.25V 6 2pF -65 °C +150 °C 1.67mm 1.67mm
RS Stock No. 857-8514
Mfr. Part No.IDB30E60ATMA1
BrandInfineon
TWD47.80
Each (On a Reel of 1000)
units
Single - Surface Mount 1 - D2PAK (TO-263) Silicon Junction 2V 3 - -40 °C +175 °C 10.31mm 9.45mm
RS Stock No. 914-0208
Mfr. Part No.IDP30E60XKSA1
BrandInfineon
TWD79.70
Each (In a Pack of 10)
units
Single - Through Hole 1 - TO-220 Silicon Junction 1.5V 2 - -40 °C +175 °C 10.2mm 4.5mm
RS Stock No. 165-2722
Mfr. Part No.RS1J-E3/5AT
BrandVishay
TWD2.80
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - SMA Silicon Junction - 2 - - - - -
RS Stock No. 184-4606
Mfr. Part No.BAS21SLT1G
TWD2.00
Each (In a Pack of 250)
units
Series 225mA Surface Mount 2 250V SOT-23 - - 3 5pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 146-2170
Mfr. Part No.S1J
TWD1.10
Each (On a Reel of 7500)
units
Single 1A Surface Mount 1 600V DO-214AC (SMA) Silicon Junction 1.1V 2 - -55 °C +150 °C 4.75mm 2.95mm
RS Stock No. 814-8715
Mfr. Part No.AR1PMHM3/84A
BrandVishay
TWD15.50
Each (On a Tape of 25)
units
Single - Surface Mount 1 - DO-220AA Silicon Junction 1.6V 2 - -55 °C +175 °C 3.61mm 2.18mm
RS Stock No. 822-2129
Mfr. Part No.BAV16WS-7-F
TWD2.30
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOD-323 Silicon Junction 1.25V 2 - -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 146-9401
Mfr. Part No.DAP222MT2L
BrandROHM
TWD1.70
Each (On a Reel of 8000)
units
Common Anode 300mA Surface Mount 2 80V SOT-723 - - 3 3.5pF - +150 °C 1.25mm 0.9mm
RS Stock No. 812-9196
Mfr. Part No.RS2A-E3/5BT
BrandVishay
TWD11.60
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 1.3V 2 - -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 823-2505
Mfr. Part No.BAS116LPH4-7B
TWD3.60
Each (In a Pack of 100)
units
Single - Surface Mount 1 - DFN Silicon Junction 1.25V 2 - -55 °C +150 °C 1.08mm 0.68mm
RS Stock No. 751-4767
Mfr. Part No.S1JB-13-F
TWD3.40
Each (On a Tape of 100)
units
Single 1A Surface Mount 1 600V SMB - 1.1V 2 10pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 751-2709
Mfr. Part No.10A07-T
TWD22.70
Each (In a Pack of 10)
units
Single 10A Through Hole 1 1000V R 6 - 1V 2 80pF -65 °C +150 °C 9.1mm -
RS Stock No. 796-9650
Mfr. Part No.BAV21 R0
TWD3.60
Each (In a Pack of 250)
units
Single 200mA Through Hole 1 - DO-35 Silicon Junction 1.25V 2 5pF -65 °C +200 °C 5.08mm -
RS Stock No. 146-2166
Mfr. Part No.1N914BWT
TWD0.80
Each (On a Reel of 8000)
units
Single 300mA Surface Mount 1 75V SOD-523F Silicon Junction 720mV 2 4pF -55 °C +150 °C 1.3mm 0.9mm