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. 795-9035
Mfr. Part No.STTH812FP
HK$15.604
Each (In a Pack of 5)
units
Single 8A Through Hole 1 1200V TO-220FPAC - 2.2V 2 12pF - +175 °C 10.4mm 4.6mm
RS Stock No. 168-7731
Mfr. Part No.STTH812FP
HK$12.92
Each (In a Tube of 50)
units
Single 8A Through Hole 1 1200V TO-220FPAC Silicon Junction 2.2V 2 12pF - +175 °C 10.4mm 4.6mm
RS Stock No. 102-6169
Mfr. Part No.STTH9012TV1
HK$171.423
Each (In a Tube of 10)
units
Isolated 90A Surface Mount 2 1200V ISOTOP Silicon Junction 1.9V 4 - - +150 °C 38.2mm 25.5mm
RS Stock No. 829-0670
Mfr. Part No.STTH9012TV1
HK$185.88
Each
units
Isolated 90A Surface Mount 2 1200V ISOTOP - 1.9V 4 - - +150 °C 38.2mm 25.5mm
RS Stock No. 829-0361
Mfr. Part No.STTH5L04DEE-TR
HK$8.326
Each (In a Pack of 10)
units
Single 5A Surface Mount 1 400V PowerFLAT - 1.25V 8 - - +150 °C 3.4mm 3.4mm
RS Stock No. 795-9044
Mfr. Part No.STTH810DI
HK$16.60
Each (In a Pack of 5)
units
Single 8A Through Hole 1 1000V TO-220Ins - 2V 2 7pF - +175 °C 10.4mm 4.6mm
RS Stock No. 829-2746
Mfr. Part No.STTH16R04CT
HK$11.454
Each (In a Pack of 5)
units
Common Cathode 16A Through Hole 2 400V TO-220AB - 1.75V 3 - -40 °C +175 °C 10.4mm 4.6mm
RS Stock No. 877-3015
Mfr. Part No.STTH30L06CW
HK$24.854
Each (In a Pack of 5)
units
Common Cathode - Through Hole 2 - TO-247 - - 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 795-6824
Mfr. Part No.STTH1R04QRL
HK$3.10
Each (In a Pack of 25)
units
Single 1A Through Hole 1 400V DO-15 - 1.5V 2 - - +175 °C 6.75mm 3.53mm
RS Stock No. 168-8894
Mfr. Part No.STTH1202DI
HK$18.65
Each (In a Tube of 50)
units
Single 12A Through Hole 1 200V TO-220AC Silicon Junction 1.15V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 165-6497
Mfr. Part No.STTH1R04QRL
HK$1.16
Each (On a Reel of 6000)
units
Single 1A Through Hole 1 400V DO-15 Silicon Junction 1.5V 2 - - +175 °C 6.75mm 3.53mm
RS Stock No. 165-6865
Mfr. Part No.STTH806G-TR
HK$7.62
Each (On a Reel of 1000)
units
Single 8A Surface Mount 1 600V D2PAK (TO-263) Silicon Junction 1.85V 3 - - +175 °C 10.4mm 9.35mm
RS Stock No. 829-4064
Mfr. Part No.STTH61W04SW
HK$24.41
Each (In a Pack of 2)
units
Single 60A Through Hole 1 400V TO-247 - 1.35V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 877-3009
Mfr. Part No.STTH1202DI
HK$21.99
Each (In a Pack of 5)
units
Single 12A Through Hole 1 200V TO-220AC - 1.15V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 810-7345
Mfr. Part No.STTH9012TV2
HK$174.51
Each
units
Isolated 45A Panel Mount 2 1200V ISOTOP - 1.9V 4 45pF - +150 °C 38.2mm 24.8mm
RS Stock No. 168-7751
Mfr. Part No.STTH802CB-TR
HK$2.517
Each (On a Reel of 2500)
units
Common Cathode 2 x 4A Surface Mount 2 200V DPAK (TO-252) Silicon Junction 1.25V 3 - - +175 °C 6.6mm 6.2mm
RS Stock No. 829-0478
Mfr. Part No.STTH30W02CW
HK$15.068
Each (In a Pack of 5)
units
Common Cathode 30A Through Hole 2 200V TO-247 - 1.4V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 168-8056
Mfr. Part No.STTH60W03CW
HK$19.127
Each (In a Tube of 30)
units
Common Cathode 60A Through Hole 2 300V TO-247 Silicon Junction 1.7V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 168-8895
Mfr. Part No.STTH8R04D
HK$12.247
Each (In a Tube of 50)
units
Single 8A Through Hole 1 400V TO-220AC Silicon Junction 1.5V 2 - -40 °C +175 °C 10.4mm 4.6mm
RS Stock No. 795-9126
Mfr. Part No.STTH812G-TR
HK$13.78
Each (In a Pack of 5)
units
Single 8A Surface Mount 1 1200V D2PAK (TO-263) Silicon Junction 2.2V 3 - - +175 °C 10.4mm 9.35mm