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. 625-4938
Mfr. Part No.MUR460RLG
HK$4.222
Each (In a Pack of 5)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 1.28V 2 - -65 °C +175 °C 9.5mm 5.3mm
RS Stock No. 761-4108
Mfr. Part No.DSEP30-06B
BrandIXYS
HK$34.43
Each
units
Single - Through Hole 1 - TO-247AC Silicon Junction 2.51V 2 - -55 °C +175 °C - -
RS Stock No. 761-4104
Mfr. Part No.DSEP30-06A
BrandIXYS
HK$35.86
Each
units
Single - Through Hole 1 - TO-247AD Silicon Junction 1.6V 2 - -55 °C +175 °C 16.26mm 5.3mm
RS Stock No. 438-0338
Mfr. Part No.BAS32L,115
BrandNexperia
HK$0.244
Each (On a Reel of 2500)
units
Single 200mA Surface Mount 1 75V MiniMELF - 1V 2 - -65 °C +200 °C 3.7mm 1.6mm
RS Stock No. 464-198
Mfr. Part No.MMSD4148T1G
HK$0.48
Each (In a Pack of 200)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.69mm 1.6mm
RS Stock No. 773-4514
Mfr. Part No.CD1206-S01575
BrandBourns
HK$0.499
Each (In a Pack of 100)
units
Single - Surface Mount 1 - 1206 Silicon Junction 1V 2 - -55 °C +125 °C 3.4mm 1.7mm
RS Stock No. 103-2977
Mfr. Part No.MUR1100ERLG
HK$1.376
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. 796-5963
Mfr. Part No.FR104 R0
HK$0.328
Each (In a Pack of 250)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.2V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 145-1677
Mfr. Part No.FESF8GT-E3/45
BrandVishay
HK$9.975
Each (In a Tube of 50)
units
Single - Through Hole 1 - TO-220F Silicon Junction 1.3V 2 - -55 °C +150 °C 10.26mm 4.83mm
RS Stock No. 545-2153
Mfr. Part No.MURS120T3G
HK$4.14
Each
units
Single - Surface Mount 1 - DO-214AA (SMB) Silicon Junction 875mV 2 - - - - -
RS Stock No. 178-7548
Mfr. Part No.MURD620CTT4G
HK$1.86
Each (On a Reel of 2500)
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - -65 °C +175 °C 6.73mm 6.22mm
RS Stock No. 177-5849
Mfr. Part No.ES1DL R3
HK$1.953
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. 920-0943
Mfr. Part No.DSEP30-06A
BrandIXYS
HK$29.831
Each (In a Tube of 30)
units
Single - Through Hole 1 - TO-247AD Silicon Junction 1.6V 2 - -55 °C +175 °C 16.26mm 5.3mm
RS Stock No. 793-0848
Mfr. Part No.MMSD4148T3G
HK$0.481
Each (In a Pack of 100)
units
Single - Surface Mount 1 - SOD-123 Silicon Junction 1V 2 - -55 °C +150 °C 2.84mm 1.8mm
RS Stock No. 122-0272
Mfr. Part No.MURS160-13-F
HK$0.925
Each (On a Reel of 3000)
units
Single 1A Surface Mount 1 600V SMB Silicon Junction 1.25V 2 10pF -55 °C +150 °C 4.57mm 3.94mm
RS Stock No. 463-555
Mfr. Part No.MURD620CTT4G
HK$4.578
Each (In a Pack of 20)
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - -65 °C +175 °C 6.73mm 6.22mm
RS Stock No. 774-3600
Mfr. Part No.MUR1100EG
HK$4.158
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.75V 2 - -65 °C +175 °C - -
RS Stock No. 690-0000
Mfr. Part No.BAS16HT1G
HK$0.916
Each (In a Pack of 25)
units
Single - Surface Mount 1 - SOD-323 Silicon Junction 1.25V 2 - -55 °C +150 °C 1.7mm 1.25mm
RS Stock No. 796-5799
Mfr. Part No.ES1DL R3
HK$4.295
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. 922-8070
Mfr. Part No.1N4148WS-7-F
HK$0.286
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.25V 2 - - - - -