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. 184-4117
Mfr. Part No.1N4006G
HK$0.385
Each (In a Bag of 1000)
units
Single - Through Hole 1 - CASE 59-10 - 1.1V 2 - - - - -
RS Stock No. 103-5079
Mfr. Part No.BAS16HT1G
HK$0.145
Each (On a Reel of 3000)
units
Single - Surface Mount 1 - SOD-323 Silicon Junction 1.25V 2 - -55 °C +150 °C 1.7mm 1.25mm
RS Stock No. 170-3541
Mfr. Part No.MMSD4148T3G
HK$0.145
Each (On a Reel of 10000)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.84mm 1.8mm
RS Stock No. 761-4108
Mfr. Part No.DSEP30-06B
BrandIXYS
HK$34.14
Each
units
Single - Through Hole 1 - TO-247AC Silicon Junction 2.51V 2 - -55 °C +175 °C - -
RS Stock No. 690-0016
Mfr. Part No.BAV99LT3G
HK$1.005
Each (In a Pack of 25)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 781-0992
Mfr. Part No.MUR260G
HK$2.81
Each (In a Pack of 25)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.35V 2 - -65 °C +175 °C - -
RS Stock No. 812-9244
Mfr. Part No.S5M-E3/57T
BrandVishay
HK$3.008
Each (In a Pack of 20)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.15V 2 - -55 °C +150 °C 7.11mm 6.22mm
RS Stock No. 761-4104
Mfr. Part No.DSEP30-06A
BrandIXYS
HK$35.16
Each
units
Single - Through Hole 1 - TO-247AD Silicon Junction 1.6V 2 - -55 °C +175 °C 16.26mm 5.3mm
RS Stock No. 902-6477
Mfr. Part No.1N4005GPHE3/54
BrandVishay
HK$0.792
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-204AL - - 2 - -65 °C +175 °C 5.2mm -
RS Stock No. 796-5799
Mfr. Part No.ES1DL R3
HK$2.348
Each (In a Pack of 50)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 950mV 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 170-8316
Mfr. Part No.MUR420-E3/73
BrandVishay
HK$2.153
Each (On a Tape of 1400)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 890mV 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 545-2153
Mfr. Part No.MURS120T3G
HK$3.42
Each
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 875mV 2 - - - - -
RS Stock No. 625-5379
Mfr. Part No.MURD620CTG
HK$7.79
Each
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - - - - -
RS Stock No. 815-1074
Mfr. Part No.AU1PKHM3/84A
BrandVishay
HK$3.801
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. 781-1015
Mfr. Part No.MUR440G
HK$3.53
Each (In a Pack of 25)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.28V 2 - -65 °C +175 °C - -
RS Stock No. 781-5571
Mfr. Part No.1N4006RLG
HK$0.60
Each (In a Pack of 100)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.1V 2 - -65 °C +175 °C - -
RS Stock No. 103-2977
Mfr. Part No.MUR1100ERLG
HK$1.12
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C 5.2mm 2.7mm
RS Stock No. 177-5849
Mfr. Part No.ES1DL R3
HK$0.758
Each (On a Reel of 1800)
units
Single - Surface Mount 1 - DO-214AC (SMA) Silicon Junction 950mV 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 145-2034
Mfr. Part No.BA157-E3/54
BrandVishay
HK$0.325
Each (On a Reel of 5500)
units
Single 1A Through Hole 1 400V DO-204AL Silicon Junction 1.3V 2 12pF -65 °C +125 °C 5.2mm -
RS Stock No. 811-9907
Mfr. Part No.MURS340-E3/57T
BrandVishay
HK$4.96
Each (On a Tape of 20)
units
Single - Surface Mount 1 - DO-214AB (SMC) Silicon Junction 1.28V 2 - -65 °C +175 °C 7.11mm 6.22mm
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