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. 131-3538
Mfr. Part No.DAN222WMTL
BrandROHM
TWD2.60
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. 128-8865
Mfr. Part No.BAW56HMT116
BrandROHM
TWD2.20
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. 146-9362
Mfr. Part No.1SS380VMTE-17
BrandROHM
TWD1.80
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. 177-7991
Mfr. Part No.DAN202KT146
BrandROHM
TWD1.50
Each (On a Reel of 3000)
units
Common Cathode - Surface Mount 2 - SOT-343 Silicon Junction 1.2V 3 - - - 2.9mm 1.6mm
RS Stock No. 183-5016
Mfr. Part No.1SS400CMT2R
BrandROHM
TWD2.30
Each (In a Pack of 200)
units
Single 225mA Surface Mount 1 80V SOD-923 - - 2 3pF - +150 °C 0.91mm 0.65mm
RS Stock No. 146-9363
Mfr. Part No.BAS16HMT116
BrandROHM
TWD1.80
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. 183-4721
Mfr. Part No.1SS390SMT2R
BrandROHM
TWD4.70
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOD-523 - - 2 - - +150 °C 1.25mm 0.85mm
RS Stock No. 171-5621
Mfr. Part No.UMN20NTR
BrandROHM
TWD12.50
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. 320-8257
Mfr. Part No.DAN202KT146
BrandROHM
TWD6.90
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. 177-7992
Mfr. Part No.DAN202UT106
BrandROHM
TWD2.00
Each (On a Reel of 3000)
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. 128-8864
Mfr. Part No.BAV99HMT116
BrandROHM
TWD1.90
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. 183-4711
Mfr. Part No.DA221WMTL
BrandROHM
TWD0.80
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. 128-8805
Mfr. Part No.1SS390TE61
BrandROHM
TWD4.00
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. 320-8285
Mfr. Part No.DAP202UT106
BrandROHM
TWD8.20
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. 168-0411
Mfr. Part No.DAN222MT2L
BrandROHM
TWD2.40
Each (On a Reel of 8000)
units
- - Surface Mount 2 - SC-105AA, SOT-723, VMD - - 3 - - +150 °C 1.25mm 0.9mm
RS Stock No. 146-9364
Mfr. Part No.BAS21HMT116
BrandROHM
TWD0.80
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. 177-7993
Mfr. Part No.DAP202KT146
BrandROHM
TWD2.00
Each (On a Reel of 3000)
units
Common Anode - Surface Mount 2 - SOT-346 Silicon Junction 1.2V 3 - -55 °C +150 °C 2.9mm 1.6mm
RS Stock No. 128-8863
Mfr. Part No.BAV70HMT116
BrandROHM
TWD2.40
Each (In a Pack of 200)
units
- 215mA Surface Mount 2 90V SOT-23 Silicon Junction 1.25V 3 2pF - +150 °C 3.1mm 1.5mm
RS Stock No. 148-5752
Mfr. Part No.BAS16HMT116
BrandROHM
TWD3.30
Each (In a Pack of 250)
units
Single 215mA Surface Mount 1 80V SOT-23 - - 3 2pF - +150 °C 3.1mm 1.5mm
RS Stock No. 183-4608
Mfr. Part No.1SS390SMT2R
BrandROHM
TWD2.50
Each (On a Reel of 8000)
units
Single - Surface Mount 1 - SOD-523 - - 2 - - +150 °C 1.25mm 0.85mm