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. 183-5687
Mfr. Part No.UMN11NTN
BrandROHM
HK$1.588
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
HK$1.052
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. 146-9363
Mfr. Part No.BAS16HMT116
BrandROHM
HK$0.126
Each (On a Reel of 3000)
units
Single 215mA Surface Mount 1 80V SOT-23 - - 3 2pF - +150 °C 3.1mm 1.5mm
RS Stock No. 148-6811
Mfr. Part No.DAP222MT2L
BrandROHM
HK$0.786
Each (In a Pack of 100)
units
Common Anode 300mA Surface Mount 2 80V SOT-723 - - 3 3.5pF - +150 °C 1.25mm 0.9mm
RS Stock No. 826-7970
Mfr. Part No.UMN10NTR
BrandROHM
HK$1.973
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. 148-5717
Mfr. Part No.1SS380VMTE-17
BrandROHM
HK$0.314
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. 146-9364
Mfr. Part No.BAS21HMT116
BrandROHM
HK$0.179
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 200V SOT-23 - - 3 2.5pF - +150 °C 2.9mm 1.3mm
RS Stock No. 171-3934
Mfr. Part No.DAN235UT106
BrandROHM
HK$0.657
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. 131-3538
Mfr. Part No.DAN222WMTL
BrandROHM
HK$0.461
Each (In a Pack of 200)
units
Common Cathode 300mA Surface Mount 2 80V SOT-416FL - 1.2V 3 3.5pF - +150 °C 1.7mm 0.96mm
RS Stock No. 183-4710
Mfr. Part No.1SS400CMT2R
BrandROHM
HK$0.191
Each (On a Reel of 8000)
units
Single 225mA Surface Mount 1 80V SOD-923 - - 2 3pF - +150 °C 0.91mm 0.65mm
RS Stock No. 171-5328
Mfr. Part No.UMN20NTR
BrandROHM
HK$0.894
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. 146-9362
Mfr. Part No.1SS380VMTE-17
BrandROHM
HK$0.287
Each (On a Reel of 3000)
units
Single 225mA Surface Mount 1 80V SOD-323FL - - 2 5pF - +150 °C 1.8mm 1.35mm
RS Stock No. 171-3935
Mfr. Part No.EMN11T2R
BrandROHM
HK$0.744
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
RS Stock No. 148-6728
Mfr. Part No.BAS21HMT116
BrandROHM
HK$0.237
Each (In a Pack of 250)
units
Single 200mA Surface Mount 1 200V SOT-23 - - 3 2.5pF - +150 °C 2.9mm 1.3mm
RS Stock No. 183-5026
Mfr. Part No.DA221WMTL
BrandROHM
HK$0.318
Each (In a Pack of 150)
units
- 200mA Surface Mount 2 20V SOT-416FL - - 3 4pF - +150 °C 1.7mm 0.96mm
RS Stock No. 128-8805
Mfr. Part No.1SS390TE61
BrandROHM
HK$0.574
Each (In a Pack of 100)
units
Single 100mA Surface Mount 1 35V SOD-523 - 1V 2 1.2 pF @ 6 V - +125 °C 0.85mm 1.25mm
RS Stock No. 128-8864
Mfr. Part No.BAV99HMT116
BrandROHM
HK$0.187
Each (In a Pack of 200)
units
- 215mA Surface Mount 2 100V SOT-23 Silicon Junction 1.25V 3 2pF - +150 °C 3.1mm 1.5mm
RS Stock No. 146-9401
Mfr. Part No.DAP222MT2L
BrandROHM
HK$0.407
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. 148-6798
Mfr. Part No.BAW156HMT116
BrandROHM
HK$0.207
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. 171-5621
Mfr. Part No.UMN20NTR
BrandROHM
HK$1.179
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