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.

1564 Products showing for Switching Diodes

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Currently unavailable
Vishay Diode, 2x Common Cathode Pair, 500 A, 3-Pin 600 V TO-244 VS-VSUD505CW60
  • RS Stock No. 279-9505
  • Mfr. Part No. VS-VSUD505CW60
Subtotal (1 unit)
€50.83(exc. VAT)
€50.83/unit
In Stock
ROHM Diode, Single, 6 A, 3-Pin 200 V TO-277A RFN6RSM2STFTL1
  • RS Stock No. 265-247P
  • Mfr. Part No. RFN6RSM2STFTL1
Subtotal (10 units, supplied on a continuous strip)
€10.36(exc. VAT)
€1.036/unit
Currently unavailable
STMicroelectronics Switching Diode, Single, 2-Pin SMB STPS3L40UFN
  • RS Stock No. 202-4739
  • Mfr. Part No. STPS3L40UFN
Subtotal (5000 units, on reels of 5000)
€569.15(exc. VAT)
€569.15/reel
Currently unavailable
STMicroelectronics Switching Diode, Single, 2-Pin SMB STPS5H100UFN
  • RS Stock No. 202-4819P
  • Mfr. Part No. STPS5H100UFN
Subtotal (25 units, supplied on a continuous strip)
€9.45(exc. VAT)
€0.378/unit
Currently unavailable
onsemi Switching Diode, Single, 23.4 A, 3-Pin 650 V TO-252 FFSD2065B
  • RS Stock No. 202-7286
  • Mfr. Part No. FFSD2065B
Subtotal (5 units, in packs of 5)
€14.11(exc. VAT)
€2.822/unit
Currently unavailable
onsemi Switching Diode, Single, 23.4 A, 3-Pin 650 V TO-252
  • RS Stock No. 202-7286P
  • Mfr. Part No. FFSD2065B
Subtotal (5 units, supplied on a continuous strip)
€14.11(exc. VAT)
€2.822/unit
In Stock
DiodesZetex Low Leakage Diode, Single, 225 mA, 2-Pin 350 V SOD-123 DHVSD3004S1-7
  • RS Stock No. 216-335
  • Mfr. Part No. DHVSD3004S1-7
Subtotal (1 unit)
€0.09(exc. VAT)
€0.09/unit
In Stock
ROHM Switching Diode, 500 mA, 3-Pin 80 V SOT-323
  • RS Stock No. 264-384P
  • Mfr. Part No. BAV99FMFHT106
Subtotal (50 units, supplied on a continuous strip)
€13.20(exc. VAT)
€0.264/unit
In Stock
ROHM Switching Diode, 500 mA, 3-Pin 80 V SOT-323 BAV99FMFHT106
  • RS Stock No. 264-384
  • Mfr. Part No. BAV99FMFHT106
Subtotal (50 units, on tapes of 50)
€13.20(exc. VAT)
€0.264/unit
In Stock
ROHM Diode, Single, 4 A, 3-Pin 200 V TO-277A
  • RS Stock No. 265-243P
  • Mfr. Part No. RFN4RSM2STL1
Subtotal (10 units, supplied on a continuous strip)
€8.46(exc. VAT)
€0.846/unit
In Stock
ROHM Switching Diode, Isolated, 3 A, 2-Pin 200 V SOD-128 RF302LAM2STFTR
  • RS Stock No. 215-9902
  • Mfr. Part No. RF302LAM2STFTR
Subtotal (25 units, in packs of 25)
€10.60(exc. VAT)
€0.424/unit
Last RS stock
ROHM Silicon Junction, Isolated, 300 mA, 6-Pin 80 V SOT-457
  • RS Stock No. 215-9756P
  • Mfr. Part No. IMN10T108
Subtotal (25 units, supplied on a continuous strip)
€7.95(exc. VAT)
€0.318/unit
Currently unavailable
ROHM Switching Diode, Isolated, 625 mA, 2-Pin 200 V SOD-323
  • RS Stock No. 215-9583
  • Mfr. Part No. BAS21VMFHTE-17
Subtotal (3000 units, on reels of 3000)
€105.00(exc. VAT)
€0.035/unit
Currently unavailable
ROHM Switching Diode, Isolated, 225 mA, 2-Pin 80 V SOD-323FL
  • RS Stock No. 215-9553
  • Mfr. Part No. 1SS380VMFHTE-17
Subtotal (3000 units, on reels of 3000)
€156.00(exc. VAT)
€0.052/unit
In Stock
HY Electronic Corp General Purpose Diode, Single, 3 A, 2-Pin 1000 V DO-27
  • RS Stock No. 215-5548P
  • Mfr. Part No. 1N5408G
Subtotal (100 units, supplied as a tape)
€9.30(exc. VAT)
€0.093/unit
Last RS stock
ROHM Switching Diode, Isolated, 225 mA, 2-Pin 80 V SOD-323FL 1SS380VMFHTE-17
  • RS Stock No. 215-9554P
  • Mfr. Part No. 1SS380VMFHTE-17
Subtotal (50 units, supplied on a continuous strip)
€8.95(exc. VAT)
€0.179/unit
In Stock
ROHM Diode, Single, 10 A, 3-Pin 200 V TO-277A
  • RS Stock No. 265-242P
  • Mfr. Part No. RFN10RSM2STFTL1
Subtotal (10 units, supplied on a continuous strip)
€11.32(exc. VAT)
€1.132/unit
In Stock
ROHM Diode, Single, 4 A, 3-Pin 200 V TO-277A
  • RS Stock No. 265-245P
  • Mfr. Part No. RFN4RSM2STFTL1
Subtotal (10 units, supplied on a continuous strip)
€9.73(exc. VAT)
€0.973/unit
In Stock
ROHM Diode, Single, 6 A, 3-Pin 200 V TO-277A
  • RS Stock No. 265-246P
  • Mfr. Part No. RFN6RSM2STL1
Subtotal (10 units, supplied on a continuous strip)
€9.01(exc. VAT)
€0.901/unit
Temporarily out of stock
DiodesZetex Low Leakage Diode, Single, 225 mA, 2-Pin 350 V SOD-123 DHVSD3004S1-7
  • RS Stock No. 216-333
  • Mfr. Part No. DHVSD3004S1-7
Subtotal (3000 units, on reels of 3000)
€147.00(exc. VAT)
€0.049/unit
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