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. 795-9117
Mfr. Part No.STTH806G-TR
$0.84
Each (In a Pack of 5)
units
Single 8A Surface Mount 1 600V D2PAK (TO-263) Silicon Junction 1.85V 3 - - +175 °C 10.4mm 9.35mm
RS Stock No. 165-6865
Mfr. Part No.STTH806G-TR
$0.753
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. 795-7363
Mfr. Part No.STTH5L06B-TR
$0.949
Each (In a Pack of 10)
units
Single 5A Surface Mount 1 600V DPAK (TO-252) Silicon Junction 1.05V 3 - - +175 °C 6.6mm 6.2mm
RS Stock No. 168-7200
Mfr. Part No.STTH5L06B-TR
$0.774
Each (On a Reel of 2500)
units
Single 5A Surface Mount 1 600V DPAK (TO-252) Silicon Junction 1.05V 3 - - +175 °C 6.6mm 6.2mm
RS Stock No. 168-7252
Mfr. Part No.STTH2R06
$0.239
Each (On a Tape of 2000)
units
Single 2A Through Hole 1 600V DO-41 Silicon Junction 1.7V 2 - -40 °C +175 °C 5.2mm -
RS Stock No. 795-8486
Mfr. Part No.STTH2R06
$0.595
Each (In a Pack of 10)
units
Single 2A Through Hole 1 600V DO-41 - 1.7V 2 - -40 °C +175 °C 5.2mm -
RS Stock No. 810-7345
Mfr. Part No.STTH9012TV2
$28.96
Each
units
Isolated 45A Panel Mount 2 1200V ISOTOP - 1.9V 4 45pF - +150 °C 38.2mm 24.8mm
RS Stock No. 168-7879
Mfr. Part No.STTH9012TV2
$35.467
Each (In a Tube of 10)
units
Isolated 45A Panel Mount 2 1200V ISOTOP Silicon Junction 1.9V 4 45pF - +150 °C 38.2mm 24.8mm
RS Stock No. 795-9035
Mfr. Part No.STTH812FP
$2.394
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. 168-8893
Mfr. Part No.STTH3002PI
$4.355
Each (In a Tube of 30)
units
Single 30A Through Hole 1 200V DOP3I Silicon Junction 1.05V 2 - - +175 °C 15.5mm 4.6mm
RS Stock No. 877-3006
Mfr. Part No.STTH3002PI
$7.228
Each (In a Pack of 5)
units
Single 30A Through Hole 1 200V DOP3I - 1.05V 2 - - +175 °C 15.5mm 4.6mm
RS Stock No. 168-7731
Mfr. Part No.STTH812FP
$1.26
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. 829-0670
Mfr. Part No.STTH9012TV1
$36.39
Each
units
Isolated 90A Surface Mount 2 1200V ISOTOP - 1.9V 4 - - +150 °C 38.2mm 25.5mm
RS Stock No. 165-6497
Mfr. Part No.STTH1R04QRL
$0.121
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. 168-8105
Mfr. Part No.STTH20R04FP
$2.70
Each (In a Tube of 50)
units
Single 20A Through Hole 1 400V TO-220FPAC Silicon Junction 1.7V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 829-0649
Mfr. Part No.STTH60W03CW
$5.40
Each (In a Pack of 2)
units
Common Cathode 60A Through Hole 2 300V TO-247 - 1.7V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 165-6553
Mfr. Part No.STTH812G-TR
$1.034
Each (On a Reel of 1000)
units
Single 8A Surface Mount 1 1200V D2PAK (TO-263) Silicon Junction 2.2V 3 - - +175 °C 10.4mm 9.35mm
RS Stock No. 829-2768
Mfr. Part No.STTH20R04FP
$2.975
Each (In a Pack of 2)
units
Single 20A Through Hole 1 400V TO-220FPAC - 1.7V 2 - - +175 °C 10.4mm 4.6mm
RS Stock No. 168-8048
Mfr. Part No.STTH30W02CW
$1.976
Each (In a Tube of 30)
units
Common Cathode 30A Through Hole 2 200V TO-247 Silicon Junction 1.4V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 102-6169
Mfr. Part No.STTH9012TV1
$26.933
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