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. 145-3110
Mfr. Part No.MMSD914T1G
$0.036
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.69mm 1.6mm
RS Stock No. 781-0999
Mfr. Part No.MUR240G
$0.486
Each (In a Pack of 25)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.3V 2 - -65 °C +175 °C - -
RS Stock No. 145-2246
Mfr. Part No.RGL41A-E3/96
BrandVishay
$0.149
Each (On a Reel of 1500)
units
Single - Surface Mount 1 - DO-213AB Silicon Junction 1.3V 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 781-5159
Mfr. Part No.SBAV199LT1G
$0.309
Each (In a Pack of 50)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction - 3 - -65 °C +150 °C 3.04mm 1.4mm
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. 146-1445
Mfr. Part No.AU1PJHM3/84A
BrandVishay
$0.302
Each (On a Reel of 3000)
units
Single 1A Surface Mount 1 600V DO-220AA Silicon Junction 1.5V 2 11pF -55 °C +175 °C 3.61mm 2.18mm
RS Stock No. 131-2783
Mfr. Part No.DAN202UMTL
BrandROHM
$0.057
Each (In a Pack of 200)
units
Common Cathode 300mA Surface Mount 2 80V SOT-323FL - 1.2V 3 3.5pF - +150 °C 2.1mm 1.35mm
RS Stock No. 752-7820
Mfr. Part No.BAS28WH6327XTSA1
BrandInfineon
$0.093
Each (In a Pack of 50)
units
Isolated 200mA Surface Mount 2 80V SOT-343 - 1.25V 4 2pF - +150 °C 2mm 1.25mm
RS Stock No. 153-2965
Mfr. Part No.BAS21AVD,165
BrandNexperia
$0.234
Each (In a Pack of 50)
units
Common Anode, Common Cathode 200mA Surface Mount 3 200V SOT-457, TSOP - - 6 5pF -65 °C +150 °C 3.1mm 1.7mm
RS Stock No. 165-2756
Mfr. Part No.RS1K-E3/5AT
BrandVishay
$0.16
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - SMA Silicon Junction - 4 - - - - -
RS Stock No. 170-3474
Mfr. Part No.MUR1100EG
$0.275
Each (In a Bag of 1000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 165-2975
Mfr. Part No.BAQ334-TR
BrandVishay
$0.073
Each (On a Reel of 2500)
units
Single 200mA Surface Mount 1 60V MicroMELF Silicon Junction 1V 2 - -65 °C +175 °C 2mm 1.2mm
RS Stock No. 145-2695
Mfr. Part No.S1K-E3/5AT
BrandVishay
$0.085
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 1.1V 2 - -55 °C +150 °C 4.5mm 2.79mm
RS Stock No. 122-3258
Mfr. Part No.MMBD4448HTM-7-F
$0.078
Each (On a Reel of 3000)
units
Isolated - Surface Mount 3 - SOT-26 Silicon Junction 1.25V 6 - -65 °C +150 °C 3.1mm 1.7mm
RS Stock No. 183-5016
Mfr. Part No.1SS400CMT2R
BrandROHM
$0.059
Each (In a Pack of 200)
units
Single 225mA Surface Mount 1 80V SOD-923 - - 2 3pF - +150 °C 0.91mm 0.65mm
RS Stock No. 443-3353
Mfr. Part No.BAV202-GS08
BrandVishay
$0.195
Each (In a Pack of 50)
units
Single 250mA Surface Mount 1 200V Quadro Melf - 1V 2 - -65 °C +175 °C 3.5mm 1.7mm
RS Stock No. 121-9464
Mfr. Part No.BAV21WS-7-F
$0.04
Each (On a Reel of 3000)
units
Single - - 1 - - Silicon Junction - - - - - - -
RS Stock No. 180-8589
Mfr. Part No.1N4148WS-HE3-08
BrandVishay
$0.12
Each (In a Pack of 100)
units
- - - - - - - - - - - - - -
RS Stock No. 168-3351
Mfr. Part No.DA3J101F0L
BrandPanasonic
$0.084
Each (On a Reel of 3000)
units
Series 100mA Surface Mount 2 80V SMini3 F2 B Silicon Junction 1.2V 3 - -55 °C +150 °C 2mm 1.25mm
RS Stock No. 816-7693
Mfr. Part No.BAW156
BrandNexperia
$0.053
Each (In a Pack of 200)
units
Common Anode 160mA Surface Mount 2 75V SOT-23 Silicon Junction 1.25V 3 3pF - +150 °C 3mm 1.4mm
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