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. 124-6523
Mfr. Part No.DA380UT106
BrandROHM
PHP4.923
Each (In a Pack of 50)
units
Series 225mA Surface Mount 2 80V SOT-323 (SC-70) Silicon Junction 1.2V 3 5 pF @ 0.5 V - +150 °C 2mm 1.25mm
RS Stock No. 171-5621
Mfr. Part No.UMN20NTR
BrandROHM
PHP7.229
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. 171-3900
Mfr. Part No.BAS21VMTE-17
BrandROHM
PHP2.236
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 200V SOD-323, UMD Silicon Junction 1.25V 2 2.5pF - +150 °C 1.7mm 1.25mm
RS Stock No. 124-6522
Mfr. Part No.DA228KT146
BrandROHM
PHP14.02
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. 169-0486
Mfr. Part No.DAN217T146
BrandROHM
PHP2.68
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. 168-0405
Mfr. Part No.1SS400SMT2R
BrandROHM
PHP9.97
Each (On a Reel of 8000)
units
Single - Surface Mount 1 - EMD, SC-79, SOD-523 - - 2 - - +150 °C 1.25mm 0.85mm
RS Stock No. 146-9364
Mfr. Part No.BAS21HMT116
BrandROHM
PHP1.184
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. 146-9401
Mfr. Part No.DAP222MT2L
BrandROHM
PHP5.535
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. 700-2769
Mfr. Part No.DAN217T146
BrandROHM
PHP10.475
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. 320-8279
Mfr. Part No.DAP202KT146
BrandROHM
PHP5.468
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. 146-9366
Mfr. Part No.BAV199HMT116
BrandROHM
PHP1.271
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. 171-3935
Mfr. Part No.EMN11T2R
BrandROHM
PHP4.798
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. 128-8865
Mfr. Part No.BAW56HMT116
BrandROHM
PHP1.41
Each (In a Pack of 200)
units
Common Anode 215mA Surface Mount 2 100V SOT-23 Silicon Junction 1.25V 3 2pF - +150 °C 3.1mm 1.5mm
RS Stock No. 168-1570
Mfr. Part No.DA204KT146
BrandROHM
PHP7.393
Each (In a Pack of 100)
units
- - Surface Mount 2 - SC-59, SMD, SOT-346 - - 3 - - +150 °C 3.1mm 1.8mm
RS Stock No. 131-4613
Mfr. Part No.DAP222WMTL
BrandROHM
PHP2.558
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. 177-7994
Mfr. Part No.DAP202UT106
BrandROHM
PHP2.272
Each (On a Reel of 3000)
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. 177-9893
Mfr. Part No.EMP11T2R
BrandROHM
PHP3.781
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. 148-6728
Mfr. Part No.BAS21HMT116
BrandROHM
PHP1.348
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. 148-6798
Mfr. Part No.BAW156HMT116
BrandROHM
PHP1.286
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. 148-5717
Mfr. Part No.1SS380VMTE-17
BrandROHM
PHP1.949
Each (In a Pack of 200)
units
Single 225mA Surface Mount 1 80V SOD-323FL - - 2 5pF - +150 °C 1.8mm 1.35mm