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. 826-7848
Mfr. Part No.DA227TL
BrandROHM
SGD0.247
Each (In a Pack of 40)
units
Isolated 300mA Surface Mount 2 80V SOT-343 - 1.2V 4 3.5pF - +150 °C 2mm 1.25mm
RS Stock No. 171-4411
Mfr. Part No.DAN235ETL
BrandROHM
SGD0.153
Each (In a Pack of 50)
units
2x Common Cathode Pair 10mA Surface Mount 2 35V EMD, SOT-416 - 1V 3 1.2pF - +125 °C 1.7mm 0.9mm
RS Stock No. 826-7977
Mfr. Part No.UMP1NTR
BrandROHM
SGD0.149
Each (In a Pack of 50)
units
Common Anode 80mA Surface Mount 4 80V SOT-353 (SC-88A) Silicon Junction 900mV 5 3.5pF - +150 °C 2mm 1.25mm
RS Stock No. 131-4613
Mfr. Part No.DAP222WMTL
BrandROHM
SGD0.052
Each (In a Pack of 200)
units
Common Anode 300mA Surface Mount 2 80V SOT-416FL - 1.2V 3 3.5pF - +150 °C 1.7mm 0.96mm
RS Stock No. 171-3934
Mfr. Part No.DAN235UT106
BrandROHM
SGD0.114
Each (On a Reel of 3000)
units
2x Common Cathode Pair 10mA Surface Mount 2 35V SOD-323, UMD - 1V 3 1.2pF - +125 °C 2.2mm 1.35mm
RS Stock No. 148-5717
Mfr. Part No.1SS380VMTE-17
BrandROHM
SGD0.06
Each (In a Pack of 200)
units
Single 225mA Surface Mount 1 80V SOD-323FL - - 2 5pF - +150 °C 1.8mm 1.35mm
RS Stock No. 148-6798
Mfr. Part No.BAW156HMT116
BrandROHM
SGD0.039
Each (In a Pack of 250)
units
Common Anode 215mA Surface Mount 2 80V SOT-23 - - 3 4pF - +150 °C 3.1mm 1.5mm
RS Stock No. 148-6773
Mfr. Part No.BAV199HMT116
BrandROHM
SGD0.039
Each (In a Pack of 250)
units
Common Anode 215mA Surface Mount 2 80V SOT-23 - - 3 4pF - +150 °C 3.1mm 1.5mm
RS Stock No. 177-9893
Mfr. Part No.EMP11T2R
BrandROHM
SGD0.095
Each (On a Reel of 8000)
units
- 300mA Surface Mount 4 80V EMD6, SC-107C, SOT-563 - - 6 3.5pF - +150 °C 1.7mm 1.3mm
RS Stock No. 146-9366
Mfr. Part No.BAV199HMT116
BrandROHM
SGD0.031
Each (On a Reel of 3000)
units
Common Anode 215mA Surface Mount 2 80V SOT-23 - - 3 4pF - +150 °C 3.1mm 1.5mm
RS Stock No. 183-5687
Mfr. Part No.UMN11NTN
BrandROHM
SGD0.297
Each (In a Pack of 30)
units
- 300mA Surface Mount 4 80V SOT-363 - - 6 3.5pF - 150 °C 2mm 1.25mm
RS Stock No. 171-4436
Mfr. Part No.EMN11T2R
BrandROHM
SGD0.197
Each (In a Pack of 50)
units
2x Common Cathode Pair 300mA Surface Mount 4 80V EMD, SOT-563 - 1.2V 6 3.5pF - +150 °C 1.7mm 1.3mm
RS Stock No. 124-6522
Mfr. Part No.DA228KT146
BrandROHM
SGD0.154
Each (In a Pack of 50)
units
Series 200mA Surface Mount 2 80V SOT-346 - 1.2V 3 6.5 pF @ 0 V - +150 °C 2.9mm 1.6mm
RS Stock No. 826-7970
Mfr. Part No.UMN10NTR
BrandROHM
SGD0.175
Each (In a Pack of 50)
units
Isolated 300mA Surface Mount 3 80V SOT-363 (SC-88) Silicon Junction 1.2V 6 3.5pF - +150 °C 2mm 1.25mm
RS Stock No. 183-4711
Mfr. Part No.DA221WMTL
BrandROHM
SGD0.036
Each (On a Reel of 3000)
units
- 200mA Surface Mount 2 20V SOT-416FL - - 3 4pF - +150 °C 1.7mm 0.96mm
RS Stock No. 171-5328
Mfr. Part No.UMN20NTR
BrandROHM
SGD0.147
Each (On a Reel of 3000)
units
- 225mA Surface Mount 3 80V SC-88, SOT-363, UMD - - 6 5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 826-7973
Mfr. Part No.UMP11NTN
BrandROHM
SGD0.284
Each (In a Pack of 30)
units
2x Common Anode Pair 300mA Surface Mount 4 80V SOT-363 (SC-88) Silicon Junction 1.2V 6 3.5pF - +150 °C 2mm 1.25mm
RS Stock No. 700-2564
Mfr. Part No.IMN10T108
BrandROHM
SGD0.42
Each (In a Pack of 5)
units
Isolated 300mA Surface Mount 3 80V SMD - 1.2V 6 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 171-5621
Mfr. Part No.UMN20NTR
BrandROHM
SGD0.221
Each (In a Pack of 50)
units
- 225mA Surface Mount 3 80V SC-88, SOT-363, UMD - - 6 5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 171-3935
Mfr. Part No.EMN11T2R
BrandROHM
SGD0.127
Each (On a Reel of 8000)
units
2x Common Cathode Pair 300mA Surface Mount 4 80V EMD, SOT-563 - 1.2V 6 3.5pF - +150 °C 1.7mm 1.3mm