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. 146-1421
Mfr. Part No.1N4448TAP
BrandVishay
SGD0.029
Each (On a Reel of 10000)
units
Single - Through Hole 1 - DO-35 Silicon Junction 1V 2 - -65 °C +175 °C 3.9mm 1.7mm
RS Stock No. 122-3339
Mfr. Part No.BAV5004WS-7
SGD0.05
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
RS Stock No. 122-1179
Mfr. Part No.RS3G-13-F
SGD0.579
Each (On a Reel of 3000)
units
Single 3A Stud 1 400V SMC Silicon Junction 1.3V 2 50pF -65 °C +150 °C 7.11mm 6.22mm
RS Stock No. 184-1452
Mfr. Part No.MMBD914LT1G
SGD0.044
Each (In a Pack of 500)
units
Single 200mA Surface Mount 1 100V SOT-23 - - 3 4pF -55 °C +150 °C 3.04mm 1.4mm
RS Stock No. 145-2101
Mfr. Part No.GSD2004W-E3-08
BrandVishay
SGD0.075
Each (On a Reel of 3000)
units
Single 225mA Surface Mount 1 240V SOD-123 Silicon Junction 1V 2 5pF -55 °C +150 °C 2.85mm 1.7mm
RS Stock No. 781-1223
Mfr. Part No.SSRD8620CTT4RG
SGD1.776
Each (In a Pack of 5)
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.3V 3 - -65 °C +175 °C 6.73mm 6.22mm
RS Stock No. 169-6151
Mfr. Part No.MCL4148-TR3
BrandVishay
SGD0.031
Each (On a Reel of 10000)
units
Single 150mA Surface Mount 1 100V MicroMELF Silicon Junction 1V 2 - -65 °C +175 °C 2mm 1.2mm
RS Stock No. 166-0010
Mfr. Part No.MMBD4148,215
BrandNexperia
SGD0.025
Each (On a Reel of 3000)
units
Single 215mA Surface Mount 1 75V SOT-23 Silicon Junction 1.25V 3 1.5pF -65 °C +150 °C 3mm 1.4mm
RS Stock No. 165-7038
Mfr. Part No.SBYV26C-E3/54
BrandVishay
SGD0.14
Each (On a Reel of 5500)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 1.3V 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 165-6943
Mfr. Part No.SE30AFBHM3/6A
BrandVishay
SGD0.203
Each (On a Reel of 3500)
units
Single - Surface Mount 1 - DO-221AC Silicon Junction 1.1V 2 - -55 °C +175 °C 4.35mm 2.7mm
RS Stock No. 124-2275
Mfr. Part No.BAS32L,115
BrandNexperia
SGD0.036
Each (On a Reel of 2500)
units
Single 200mA Surface Mount 1 75V MiniMELF Silicon Junction 1V 2 - -65 °C +200 °C 3.7mm 1.6mm
RS Stock No. 751-4379
Mfr. Part No.ES3DB-13-F
SGD0.80
Each (In a Pack of 10)
units
Single 3A Stud 1 200V SMB - 900mV 2 45pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 815-2452
Mfr. Part No.GL34B-E3/98
BrandVishay
SGD0.383
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-213AA Silicon Junction 1.2V 2 - -65 °C +175 °C 3.68mm -
RS Stock No. 751-4792
Mfr. Part No.S2MA-13-F
SGD0.499
Each (On a Tape of 50)
units
Single 1.5A Surface Mount 1 1000V SMA - 1.15V 2 20pF -65 °C +150 °C 4.6mm 2.92mm
RS Stock No. 145-1671
Mfr. Part No.FEP30AP-E3/45
BrandVishay
SGD2.92
Each (In a Tube of 30)
units
Common Cathode - Through Hole 2 - TO-247AD Silicon Junction 950mV 3 - -55 °C +150 °C 16.4mm 5.16mm
RS Stock No. 168-4664
Mfr. Part No.DSEP30-12A
BrandIXYS
SGD5.17
Each (In a Tube of 30)
units
Single - Through Hole 1 - TO-247AD Silicon Junction 2.74V 2 - -55 °C +175 °C 16.26mm 5.3mm
RS Stock No. 180-7072
Mfr. Part No.VS-15EWH06FN-M3
BrandVishay
SGD1.249
Each (In a Tube of 75)
units
Single 15A Surface Mount 1 600V TO-252AA - - 3 + Tab 12pF -55 °C +175 °C 6.73mm 6.22mm
RS Stock No. 183-5687
Mfr. Part No.UMN11NTN
BrandROHM
SGD0.582
Each (In a Pack of 30)
units
2 Pair Common Cathode 300mA Surface Mount 4 80V SOT-363 - - 6 3.5pF - 150 °C 2mm 1.25mm
RS Stock No. 812-9146
Mfr. Part No.RGP10DE-E3/54
BrandVishay
SGD0.445
Each (In a Pack of 50)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 1.3V 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 148-6811
Mfr. Part No.DAP222MT2L
BrandROHM
SGD0.164
Each (In a Pack of 100)
units
Common Anode 300mA Surface Mount 2 80V SOT-723 - - 3 3.5pF - +150 °C 1.25mm 0.9mm
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