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. 710-4629
Mfr. Part No.RS1K-E3/5AT
BrandVishay
$0.344
Each (In a Pack of 50)
units
Single - Surface Mount 1 - SMA - - 4 - - - - -
RS Stock No. 124-6578
Mfr. Part No.IMN10T108
BrandROHM
$0.27
Each (In a Pack of 30)
units
Isolated 300mA Surface Mount 3 80V SOT-457 (SC-74) Silicon Junction 1.2V 6 3.5 pF @ 6 V - +150 °C 2.9mm 1.6mm
RS Stock No. 168-8894
Mfr. Part No.STTH1202DI
$1.733
Each (In a Tube of 50)
units
Single 12A Through Hole 1 200V TO-220AC Silicon Junction 1.15V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 168-7732
Mfr. Part No.STTH810DI
$1.426
Each (In a Tube of 50)
units
Single 8A Through Hole 1 1000V TO-220Ins Silicon Junction 2V 2 7pF - +175 °C 10.4mm 4.6mm
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. 145-2726
Mfr. Part No.IMBD4148-E3-08
BrandVishay
$0.029
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOT-23 Silicon Junction 1V 3 4pF -55 °C +150 °C 3.1mm 1.43mm
RS Stock No. 922-8383
Mfr. Part No.ES3A-13-F
$0.304
Each (On a Reel of 3000)
units
Single 3A Stud 1 50V SMC Silicon Junction 900mV 2 45pF -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 626-1863
Mfr. Part No.BAT18,215
BrandNexperia
$0.153
Each (In a Pack of 10)
units
Single 100mA Surface Mount 1 35V SOT-23 (TO-236AB) Silicon Junction 1.2V 3 1pF -55 °C +125 °C 3mm 1.4mm
RS Stock No. 751-3446
Mfr. Part No.BAV199T-7-F
$0.12
Each (On a Tape of 100)
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. 921-1256
Mfr. Part No.US2JDF-13
$0.262
Each (In a Pack of 50)
units
Single 1A Surface Mount 1 600V D-FLAT - 1.7V 2 10pF -55 °C +150 °C 4.6mm 2.95mm
RS Stock No. 751-4884
Mfr. Part No.SBR20A200CTB
$1.958
Each (In a Pack of 5)
units
Common Cathode 20A Surface Mount 2 200V D2PAK (TO-263) Silicon Junction 960mV 3 - -65 °C +175 °C 10.66mm 9.65mm
RS Stock No. 751-3461
Mfr. Part No.BAV3004W-7-F
$0.124
Each (In a Pack of 100)
units
Single 225mA Surface Mount 1 300V SOD-123 - 1.25V 2 5pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 145-4226
Mfr. Part No.SBAS16WT1G
$0.089
Each (On a Reel of 3000)
units
- - Surface Mount - - SC-70 - - 3 - -55 °C +150 °C 2.2mm 1.35mm
RS Stock No. 184-4663
Mfr. Part No.BAV99RWT1G
$0.081
Each (In a Pack of 250)
units
Series 215mA Surface Mount 2 100V SC-70 - - 3 1.5pF -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 180-8177
Mfr. Part No.1N4148WS-G3-08
BrandVishay
$0.053
Each (On a Reel of 3000)
units
- - - - - - - - - - - - - -
RS Stock No. 815-1074
Mfr. Part No.AU1PKHM3/84A
BrandVishay
$0.38
Each (In a Pack of 25)
units
Single 1A Surface Mount 1 800V DO-220AA - 1.85V 2 7.5pF -55 °C +175 °C 3.61mm 2.18mm
RS Stock No. 781-3939
Mfr. Part No.BAW56LT3G
$0.046
Each (On a Tape of 200)
units
Common Anode 200mA Surface Mount 2 70V SOT-23 - 1.25V 3 2pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 751-4938
Mfr. Part No.SDA004-7
$0.454
Each (In a Pack of 10)
units
2x Series Pair 500mA Surface Mount - 80V SOT-363 (SC-88) Silicon Junction 1.25V 6 5.3pF -65 °C +150 °C 2.2mm 1.35mm
RS Stock No. 902-6506
Mfr. Part No.1N4385GP-E3/54
BrandVishay
$0.274
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-204AC - - 2 - -65 °C +175 °C 7.6mm -
RS Stock No. 168-8101
Mfr. Part No.STTH16R04CT
$2.166
Each (In a Tube of 50)
units
Common Cathode 16A Through Hole 2 400V TO-220AB Silicon Junction 1.75V 3 - -40 °C +175 °C 10.4mm 4.6mm
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