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. 626-1510
Mfr. Part No.BA891,115
BrandNXP
$0.103
Each (In a Pack of 25)
units
Single 100mA Surface Mount 1 35V I-IGIA - 1V 2 0.9pF -65 °C +150 °C 1.25mm 0.85mm
RS Stock No. 922-8263
Mfr. Part No.1N4148W-13-F
$0.035
Each (On a Reel of 10000)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 751-2727
Mfr. Part No.1N4148W-13-F
$0.076
Each (In a Pack of 250)
units
Single 300mA Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 2pF -65 °C +150 °C 2.85mm 1.7mm
RS Stock No. 700-3674
Mfr. Part No.1N4148-TAP
BrandVishay
$0.059
Each (In a Pack of 250)
units
Single 300mA Through Hole 1 75V DO-35 Silicon Junction 1V 2 4pF -65 °C +175 °C 3.4mm 1.7mm
RS Stock No. 922-8077
Mfr. Part No.1N4148W-7-F
$0.025
Each (On a Reel of 3000)
units
Single - Surface Mount 1 100V SOD-123 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 725-8688
Mfr. Part No.BAS16H,115
BrandNexperia
$0.121
Each (In a Pack of 100)
units
Single 215mA Surface Mount 1 - SOD-123F - 1.25V 2 - -65 °C +150 °C 2.7mm 1.7mm
RS Stock No. 166-0383
Mfr. Part No.BA891,115
BrandNXP
$0.069
Each (On a Reel of 3000)
units
Single 100mA Surface Mount 1 35V I-IGIA Silicon Junction 1V 2 0.9pF -65 °C +150 °C 1.25mm 0.85mm
RS Stock No. 752-8445
Mfr. Part No.SMBD7000E6327HTSA1
BrandInfineon
$0.033
Each (On a Tape of 100)
units
Series 200mA Surface Mount 2 100V SOT-23 - 1.25V 3 2pF - +150 °C 2.9mm 1.3mm
RS Stock No. 165-7659
Mfr. Part No.SMBD7000E6327HTSA1
BrandInfineon
$0.035
Each (On a Reel of 3000)
units
Series 200mA Surface Mount 2 100V SOT-23 Silicon Junction 1.25V 3 2pF - +150 °C 2.9mm 1.3mm
RS Stock No. 145-2324
Mfr. Part No.1N6482-E3/96
BrandVishay
$0.217
Each (On a Reel of 1500)
units
Single - Surface Mount 1 - DO-213AB Silicon Junction - - - -65 °C +175 °C 5.2mm -
RS Stock No. 725-8681
Mfr. Part No.BAS16L,315
BrandNexperia
$0.30
Each (In a Pack of 50)
units
Single 215mA Surface Mount 1 - SOD-882 - 1.25V 2 - -65 °C +150 °C 1.02mm 0.62mm
RS Stock No. 165-2872
Mfr. Part No.RS1G-E3/61T
BrandVishay
$0.154
Each (On a Reel of 1800)
units
Single 1A Surface Mount 1 400V SMA Silicon Junction 1.3V 2 - -55 °C +150 °C 4.5mm 2.79mm
RS Stock No. 124-1347
Mfr. Part No.1N4148WS
$0.036
Each (On a Reel of 3000)
units
Single 300mA Surface Mount 1 75V SOD-323 Silicon Junction 1V 2 4pF - +150 °C 1.8mm 1.35mm
RS Stock No. 815-1169
Mfr. Part No.BA157-E3/54
BrandVishay
$0.13
Each (In a Pack of 100)
units
Single 1A Through Hole 1 400V DO-204AL - 1.3V 2 12pF -65 °C +125 °C 5.2mm -
RS Stock No. 170-8975
Mfr. Part No.6A6-T
$0.313
Each (On a Tape of 500)
units
Single - Through Hole 1 - R 6 Silicon Junction - 2 - -65 °C +175 °C 9.1mm -
RS Stock No. 708-2150
Mfr. Part No.MMBD4148-7-F
$0.239
Each (In a Pack of 50)
units
Single - Surface Mount 1 - SOT-23 Silicon Junction - 3 - - - - -
RS Stock No. 700-2886
Mfr. Part No.LL4148-GS08
BrandVishay
$0.052
Each (In a Pack of 250)
units
Single 2A Surface Mount 1 100V SOD-80 - 1V 2 4pF - - 3.7mm -
RS Stock No. 170-4148
Mfr. Part No.BAV99W RF
$0.045
Each (On a Reel of 3000)
units
Series 130 mA, 150 mA Surface Mount 2 85V SOT-323 (SC-70) Silicon Junction 1.25V 3 1.5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 169-6151
Mfr. Part No.MCL4148-TR3
BrandVishay
$0.031
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. 145-2640
Mfr. Part No.BAV21W-E3-08
BrandVishay
$0.046
Each (On a Reel of 3000)
units
Single 200mA Surface Mount 1 200V SOD-123 Silicon Junction 1.25V 2 - -65 °C +150 °C 2.85mm 1.7mm
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