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. 751-3452
Mfr. Part No.BAV20WS-7-F
$0.289
Each (On a Tape of 50)
units
Single 250mA Surface Mount 1 150V SOD-323 Silicon Junction 1.25V 2 5pF -65 °C +150 °C 1.8mm 1.4mm
RS Stock No. 751-4727
Mfr. Part No.RS2MA-13-F
$0.497
Each (In a Pack of 25)
units
Single 1.5A Surface Mount 1 1000V SMA - 1.3V 2 30pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 151-2821
Mfr. Part No.BAL74,215
BrandNexperia
$0.025
Each (In a Pack of 250)
units
Common Cathode 500mA Surface Mount 1 50V TO-236AB - - 3 2pF - - 2.7mm 1.7mm
RS Stock No. 145-2641
Mfr. Part No.LL4148-GS18
BrandVishay
$0.029
Each (On a Reel of 10000)
units
Single 300mA Surface Mount 1 - MiniMELF Silicon Junction 1V 2 - -65 °C +175 °C 3.7mm 1.6mm
RS Stock No. 180-8615
Mfr. Part No.ES1PB-M3/84A
BrandVishay
$0.534
Each (In a Pack of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 163-1154
Mfr. Part No.SBAV199LT1G
$0.131
Each (On a Reel of 3000)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction - 3 - -65 °C +150 °C 3.04mm 1.4mm
RS Stock No. 796-9316
Mfr. Part No.HS5F R7
$0.414
Each (In a Pack of 25)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 540-5652
Mfr. Part No.1SS379(F)
BrandToshiba
$0.566
Each (In a Pack of 5)
units
Series - Surface Mount 2 - SOT-346 (SC-59) Silicon Junction 1.3V 3 - -55 °C +125 °C 2.9mm 1.5mm
RS Stock No. 178-0945
Mfr. Part No.MURS120-E3/52T
BrandVishay
$0.216
Each (On a Reel of 750)
units
- - - - - - - - - - - - - -
RS Stock No. 165-6011
Mfr. Part No.GP15G-E3/54
BrandVishay
$0.216
Each (On a Reel of 4000)
units
Single - Through Hole 1 - DO-204AC Silicon Junction 1.1V 2 - -65 °C +175 °C 7.6mm -
RS Stock No. 168-3710
Mfr. Part No.DA2J10800L
BrandPanasonic
$0.078
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SMini2 F5 B Silicon Junction 1.2V 2 - - +150 °C 1.7mm 1.25mm
RS Stock No. 822-8962
Mfr. Part No.BAS21W-7-F
$0.121
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOT-323 (SC-70) Silicon Junction 1.25V 3 - -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 795-9044
Mfr. Part No.STTH810DI
$2.97
Each (In a Pack of 5)
units
Single 8A Through Hole 1 1000V TO-220Ins - 2V 2 7pF - +175 °C 10.4mm 4.6mm
RS Stock No. 761-4066
Mfr. Part No.DSEP15-06B
BrandIXYS
$2.74
Each (In a Pack of 5)
units
Single - Through Hole 1 - TO-220AC Silicon Junction 2.52V 2 - -55 °C +175 °C 10.66mm 4.82mm
RS Stock No. 805-1463
Mfr. Part No.M1MA142WKT1G
$0.07
Each (In a Pack of 250)
units
Common Cathode 100 mA, 150 mA Surface Mount 2 80V SOT-323 (SC-70) Silicon Junction 1.2V 3 2pF - +150 °C 2.2mm 1.35mm
RS Stock No. 725-8653
Mfr. Part No.BAS56,215
BrandNexperia
$0.344
Each (In a Pack of 50)
units
Isolated - Surface Mount 2 - SOT-143B - - 4 - - - - -
RS Stock No. 166-0633
Mfr. Part No.BAS29,215
BrandNexperia
$0.118
Each (On a Reel of 3000)
units
Single 250mA Surface Mount 1 90V SOT-23 (TO-236AB) Silicon Junction 1.25V 3 - -65 °C +150 °C 3mm 1.4mm
RS Stock No. 121-9523
Mfr. Part No.BAV199T-7-F
$0.087
Each (On a Reel of 3000)
units
Series 215mA Surface Mount 2 85V SOT-523 (SC-89) Silicon Junction 1.25V 3 2pF -65 °C +150 °C 1.7mm 0.85mm
RS Stock No. 166-0036
Mfr. Part No.BAS16J,115
BrandNexperia
$0.044
Each (On a Reel of 3000)
units
Single 250mA Surface Mount 1 100V SOD-323F Silicon Junction 1.25V 2 1.5pF -65 °C +150 °C 1.8mm 1.35mm
RS Stock No. 122-3339
Mfr. Part No.BAV5004WS-7
$0.05
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-323 Silicon Junction 1.29V 2 - -55 °C +150 °C 1.8mm 1.4mm
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