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. 124-1361
Mfr. Part No.1N4148WT
TWD0.80
Each (On a Reel of 8000)
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. 774-3265
Mfr. Part No.1N4001G
TWD6.70
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 122-1202
Mfr. Part No.SBR20A200CTB
TWD38.30
Each (In a Tube of 50)
units
Common Cathode 20A Surface Mount 2 200V D2PAK (TO-263) Silicon Junction 960mV 3 - -65 °C +175 °C 10.66mm 9.65mm
RS Stock No. 690-0016
Mfr. Part No.BAV99LT3G
TWD5.30
Each (In a Pack of 25)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 781-5562
Mfr. Part No.1N4001RLG
TWD2.50
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 145-2863
Mfr. Part No.MSR1560G
TWD45.80
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220 Silicon Junction 1.8V 2 - -65 °C +150 °C 10.29mm 4.82mm
RS Stock No. 165-6105
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD35.50
Each (In a Tube of 50)
units
Single - Surface Mount 1 - D2PAK (TO-263) Silicon Junction 1.2V 3 - -55 °C +175 °C 10.45mm 9.14mm
RS Stock No. 781-5159
Mfr. Part No.SBAV199LT1G
TWD10.30
Each (In a Pack of 50)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction - 3 - -65 °C +150 °C 3.04mm 1.4mm
RS Stock No. 103-2958
Mfr. Part No.MUR1520G
TWD28.80
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.05V 2 - - - - -
RS Stock No. 545-2686
Mfr. Part No.BAV99LT1G
TWD0.80
Each (On a Reel of 3000)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 793-0848
Mfr. Part No.MMSD4148T3G
TWD1.80
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. 920-0915
Mfr. Part No.DSEP29-06A
BrandIXYS
TWD75.60
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 1.61V 2 - -55 °C +175 °C 10.66mm 4.82mm
RS Stock No. 818-5231
Mfr. Part No.UHB10FT-E3/4W
BrandVishay
TWD43.20
Each (In a Pack of 5)
units
Single - Surface Mount 1 - D2PAK (TO-263) Silicon Junction 1.2V 3 - -55 °C +175 °C 10.45mm 9.14mm
RS Stock No. 902-6610
Mfr. Part No.1N914TR
BrandVishay
TWD1.50
Each (In a Pack of 500)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF - +175 °C 3.9mm -
RS Stock No. 103-3904
Mfr. Part No.MURS360T3G
TWD7.30
Each (On a Reel of 2500)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - - - - -
RS Stock No. 781-5168
Mfr. Part No.SBAV99LT1G
TWD9.60
Each (In a Pack of 50)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 3.04mm 1.4mm
RS Stock No. 751-4887
Mfr. Part No.SBR20150CTFP
TWD26.60
Each (In a Pack of 10)
units
Common Cathode 20A Through Hole 2 150V ITO-220AB - 880mV 3 - -65 °C +175 °C 10.31mm 4.9mm
RS Stock No. 751-4884
Mfr. Part No.SBR20A200CTB
TWD45.20
Each (In a Pack of 5)
units
Common Cathode 20A Surface Mount 2 200V D2PAK (TO-263) Silicon Junction 960mV 3 - -65 °C +175 °C 10.66mm 9.65mm
RS Stock No. 163-1155
Mfr. Part No.SBAV99LT1G
TWD2.20
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. 796-9666
Mfr. Part No.BAV99W RF
TWD3.70
Each (In a Pack of 250)
units
Series 130 mA, 150 mA Surface Mount 2 85V SOT-323 (SC-70) Silicon Junction 1.25V 3 1.5pF - +150 °C 2.1mm 1.35mm