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. 918-9672
Mfr. Part No.LL4148-GS08
BrandVishay
HK$0.205
Each (On a Reel of 2500)
units
Single 2A Surface Mount 1 100V SOD-80 Silicon Junction 1V 2 4pF - - 3.7mm -
RS Stock No. 169-9306
Mfr. Part No.ES1DL R2
HK$0.763
Each (On a Reel of 7500)
units
Single - Surface Mount 1 - Sub 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$0.235
Each (On a Reel of 3000)
units
Single 150mA Surface Mount 1 75V SOD-323 Silicon Junction 1.25V 2 - - - - -
RS Stock No. 146-2305
Mfr. Part No.FR104 R0
HK$0.173
Each (On a Reel of 5000)
units
Single - Through Hole 1 - DO-41 Silicon Junction 1.2V 2 - -55 °C +150 °C 5.2mm -
RS Stock No. 774-3600
Mfr. Part No.MUR1100EG
HK$3.426
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. 796-5963
Mfr. Part No.FR104 R0
HK$0.29
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. 170-8316
Mfr. Part No.MUR420-E3/73
BrandVishay
HK$2.931
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. 781-0992
Mfr. Part No.MUR260G
HK$2.754
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. 712-5875
Mfr. Part No.DA4X101K0R
BrandPanasonic
HK$2.401
Each (In a Pack of 20)
units
Isolated - Surface Mount 2 - SOT-143 Silicon Junction 1.2V 4 - - +150 °C 2.9mm 1.5mm
RS Stock No. 748-5085
Mfr. Part No.ES1DL R2
HK$5.37
Each (In a Pack of 50)
units
Single - Surface Mount 1 - Sub SMA Silicon Junction 950mV 2 - -55 °C +150 °C 2.9mm 1.9mm
RS Stock No. 751-2755
Mfr. Part No.6A10-T
HK$2.881
Each (In a Pack of 25)
units
Single 6A Through Hole 1 1000V R 6 - 900mV 2 - -65 °C +175 °C 9.1mm -
RS Stock No. 811-9880
Mfr. Part No.MUR420-E3/54
BrandVishay
HK$4.194
Each (In a Pack of 10)
units
Single - Through Hole 1 - DO-201AD Silicon Junction 890mV 2 - -65 °C +175 °C 9.5mm -
RS Stock No. 170-8378
Mfr. Part No.GP10V-E3/73
BrandVishay
HK$1.183
Each (On a Tape of 5500)
units
Single - Through Hole 1 - DO-204AL Silicon Junction 1.3V 2 - -65 °C +150 °C 5.2mm -
RS Stock No. 170-3430
Mfr. Part No.BAV99LT3G
HK$0.147
Each (On a Reel of 10000)
units
Series - Surface Mount 2 - SOT-23 Silicon Junction 1.25V 3 - -65 °C +150 °C 2.9mm 1.3mm
RS Stock No. 463-555
Mfr. Part No.MURD620CTT4G
HK$3.881
Each (In a Pack of 20)
units
Common Cathode - Surface Mount 2 - DPAK (TO-252) Silicon Junction 1.2V 3 - - - - -
RS Stock No. 829-0670
Mfr. Part No.STTH9012TV1
HK$230.52
Each
units
Isolated 90A Surface Mount 2 1200V ISOTOP - 1.9V 4 - - +150 °C 38.2mm 25.5mm
RS Stock No. 690-0000
Mfr. Part No.BAS16HT1G
HK$0.833
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. 812-9244
Mfr. Part No.S5M-E3/57T
BrandVishay
HK$2.999
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. 122-3236
Mfr. Part No.BAW101-7
HK$0.528
Each (On a Reel of 3000)
units
Series - Surface Mount 4 - SOT-143 Silicon Junction 1.1V 4 - -65 °C +150 °C 3mm 1.4mm
RS Stock No. 177-7620
Mfr. Part No.AU1PKHM3/84A
BrandVishay
HK$2.696
Each (On a Reel of 3000)
units
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