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. 822-8962
Mfr. Part No.BAS21W-7-F
TWD3.00
Each (In a Pack of 100)
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. 163-2352
Mfr. Part No.BAS21LT3G
TWD0.70
Each (On a Reel of 10000)
units
Single - Surface Mount 1 - SOT-23 Silicon Junction 1.25V 3 - -55 °C +150 °C 2.9mm 1.3mm
RS Stock No. 180-7197
Mfr. Part No.S07G-GS08
BrandVishay
TWD7.30
Each (In a Pack of 100)
units
Single 1.5A Surface Mount 1 400 (Peak Repetitive)V DO-219AB - - 2 4pF -65 °C +175 °C 2.9mm 1.9mm
RS Stock No. 122-1184
Mfr. Part No.S1GB-13-F
TWD1.70
Each (On a Reel of 3000)
units
Single 1A Surface Mount 1 400V SMB Silicon Junction 1.1V 2 10pF -65 °C +150 °C 4.57mm 3.94mm
RS Stock No. 180-7012
Mfr. Part No.S07M-GS08
BrandVishay
TWD3.00
Each (On a Reel of 3000)
units
Single 1.5A Surface Mount 1 1000V DO-219AB - - 2 4pF -65 °C +175 °C 2.9mm 1.9mm
RS Stock No. 751-4717
Mfr. Part No.RS1K-13-F
TWD10.30
Each (In a Pack of 50)
units
Single 1A Surface Mount 1 800V SMA Silicon Junction 1.3V 2 15pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 166-2388
Mfr. Part No.RS1J
TWD2.00
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.3V 2 - -55 °C +150 °C 4.75mm 2.95mm
RS Stock No. 180-6986
Mfr. Part No.LL4151-GS08
BrandVishay
TWD0.70
Each (On a Reel of 2500)
units
Single 300mA Surface Mount 1 50V SOD-80 Silicon Junction - 2 2pF -65 °C +175 °C - -
RS Stock No. 151-3364
Mfr. Part No.BAS21H,115
BrandNexperia
TWD0.90
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 200V SOD-123F - - 2 5pF -65 °C +150 °C 2.7mm 1.7mm
RS Stock No. 781-5565
Mfr. Part No.1N4002RLG
TWD2.60
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. 822-2075
Mfr. Part No.BAS16V-7
TWD4.70
Each (In a Pack of 100)
units
Isolated - Surface Mount 2 - SOT-563 Silicon Junction 1.25V 6 - -65 °C +150 °C 1.7mm 1.25mm
RS Stock No. 751-4761
Mfr. Part No.S1K-13-F
TWD2.70
Each (On a Tape of 100)
units
Single 1A Surface Mount 1 800V SMA - 1.1V 2 10pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 751-4708
Mfr. Part No.RS1A-13-F
TWD9.50
Each (On a Tape of 50)
units
Single 1A Surface Mount 1 50V SMA - 1.3V 2 15pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 145-3129
Mfr. Part No.MUR480ESG
TWD12.80
Each (In a Box of 500)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.85V 2 - -65 °C +175 °C - -
RS Stock No. 805-2863
Mfr. Part No.NSD914F3T5G
TWD5.30
Each (In a Pack of 100)
units
Single 200mA Surface Mount 1 - SOT-1123 - 1V 3 4pF -55 °C +150 °C 0.85mm 0.65mm
RS Stock No. 145-9215
Mfr. Part No.BAL74E6327HTSA1
BrandInfineon
TWD1.20
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOT-23 Silicon Junction 1V 3 - - +150 °C 2.9mm 1.3mm
RS Stock No. 818-5203
Mfr. Part No.UG4D-E3/54
BrandVishay
TWD14.70
Each (In a Pack of 20)
units
Single - Through Hole 1 - DO-204AD Silicon Junction 950mV 2 - -55 °C +150 °C 9.5mm -
RS Stock No. 165-7127
Mfr. Part No.S5A-E3/57T
BrandVishay
TWD6.40
Each (On a Reel of 850)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.15V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 805-1488
Mfr. Part No.M1MA152WKT1G
TWD1.70
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. 165-8667
Mfr. Part No.S1KB-13-F
TWD2.90
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SMB Silicon Junction - 2 - -65 °C +150 °C 4.57mm 3.94mm