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. 169-0448
Mfr. Part No.IMN10T108
BrandROHM
£0.065
Each (On a Reel of 3000)
Units
Isolated 300mA Surface Mount 3 80V SMD Silicon Junction 1.2V 6 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 700-2564
Mfr. Part No.IMN10T108
BrandROHM
£0.068
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. 320-8279
Mfr. Part No.DAP202KT146
BrandROHM
£0.165
Each (In a Pack of 25)
Units
Common Anode - Surface Mount 2 - SOT-346 Silicon Junction 1.2V 3 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 320-8257
Mfr. Part No.DAN202KT146
BrandROHM
£0.169
Each (In a Pack of 25)
Units
Common Cathode - Surface Mount 2 - SOT-343 Silicon Junction 1.2V 3 - - - 2.9mm 1.6mm
RS Stock No. 700-2769
Mfr. Part No.DAN217T146
BrandROHM
£0.161
Each (In a Pack of 10)
Units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1.2V 3 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 320-8263
Mfr. Part No.DAN202UT106
BrandROHM
£0.167
Each (In a Pack of 25)
Units
Common Cathode - Surface Mount 2 - SOT-323 (SC-70) Silicon Junction 1.2V 3 - -55 °C +150 °C 2mm 1.25mm
RS Stock No. 169-0486
Mfr. Part No.DAN217T146
BrandROHM
£0.04
Each (On a Reel of 3000)
Units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1.2V 3 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 128-8805
Mfr. Part No.1SS390TE61
BrandROHM
£0.087
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. 263-6847
Mfr. Part No.1SS380TE-17
BrandROHM
£0.164
Each (In a Pack of 10)
Units
Single - Surface Mount 1 - SOD-323 Silicon Junction 1.2V 2 - -55 °C +125 °C 1.7mm 1.25mm
RS Stock No. 124-6524
Mfr. Part No.DAN217UMTL
BrandROHM
£0.067
Each (In a Pack of 150)
Units
Series 300mA Surface Mount 2 80V UMD Silicon Junction 1.2V 3 3.5 pF @ 6 V - +150 °C 2mm 1.25mm
RS Stock No. 320-8285
Mfr. Part No.DAP202UT106
BrandROHM
£0.198
Each (In a Pack of 25)
Units
Common Anode - Surface Mount 2 - SOT-323 (SC-70) Silicon Junction 1.2V 3 - -55 °C +150 °C 2mm 1.25mm
RS Stock No. 128-8804
Mfr. Part No.1SS356TW11
BrandROHM
£0.075
Each (In a Pack of 100)
Units
Single 100mA Surface Mount 1 35V SOD-323FL - 1V 2 1.2 pF @ 6 V - +125 °C 1.35mm 1.8mm
RS Stock No. 131-2784
Mfr. Part No.DAN217WMTL
BrandROHM
£0.067
Each (In a Pack of 200)
Units
Series 300mA Surface Mount 2 80V SOT-416FL - 1.2V 3 3.5pF - +150 °C 1.6mm 0.86mm
RS Stock No. 131-2783
Mfr. Part No.DAN202UMTL
BrandROHM
£0.051
Each (In a Pack of 200)
Units
Common Cathode 300mA Surface Mount 2 80V SOT-323FL - 1.2V 3 3.5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 826-7973
Mfr. Part No.UMP11NTN
BrandROHM
£0.227
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
New
RS Stock No. 218-2273
Mfr. Part No.UMR12NTN
BrandROHM
£0.098
Each (On a Reel of 3000)
Units
Isolated 200A Surface Mount - 80V SOT-363 - - 6 - - - - -
New
RS Stock No. 218-2274
Mfr. Part No.UMR12NTN
BrandROHM
£0.235
Each (In a Pack of 50)
Units
Isolated 200A Surface Mount - 80V SOT-363 - - 6 - - - - -
RS Stock No. 168-1588
Mfr. Part No.DA221MT2L
BrandROHM
£0.095
Each (In a Pack of 100)
Units
- - Surface Mount 2 - SC-105AA, SOT-723, VMD - - 3 - - +150 °C 1.25mm 0.9mm
RS Stock No. 826-7848
Mfr. Part No.DA227TL
BrandROHM
£0.286
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. 148-5717
Mfr. Part No.1SS380VMTE-17
BrandROHM
£0.082
Each (In a Pack of 200)
Units
Single 225mA Surface Mount 1 80V SOD-323FL - - 2 5pF - +150 °C 1.8mm 1.35mm