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. 829-2768
Mfr. Part No.STTH20R04FP
PHP110.95
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. 168-8105
Mfr. Part No.STTH20R04FP
PHP93.956
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. 168-8056
Mfr. Part No.STTH60W03CW
PHP163.37
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. 168-8611
Mfr. Part No.STTH60W02CW
PHP97.567
Each (In a Tube of 30)
units
Common Cathode 2 x 30A Through Hole 2 200V TO-247 Silicon Junction 1.35V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 829-4067
Mfr. Part No.STTH60W02CW
PHP141.912
Each (In a Pack of 5)
units
Common Cathode 2 x 30A Through Hole 2 200V TO-247 - 1.35V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 829-0649
Mfr. Part No.STTH60W03CW
PHP192.25
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. 795-6824
Mfr. Part No.STTH1R04QRL
PHP19.01
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. 168-8896
Mfr. Part No.STTH30L06CW
PHP141.70
Each (In a Tube of 30)
units
Common Cathode - Through Hole 2 - TO-247 Silicon Junction - 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 168-8048
Mfr. Part No.STTH30W02CW
PHP65.00
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. 795-7363
Mfr. Part No.STTH5L06B-TR
PHP35.51
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. 795-8486
Mfr. Part No.STTH2R06
PHP12.70
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. 168-7731
Mfr. Part No.STTH812FP
PHP41.44
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. 829-0478
Mfr. Part No.STTH30W02CW
PHP109.82
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. 168-8610
Mfr. Part No.STTH61W04SW
PHP119.20
Each (In a Tube of 30)
units
Single 60A Through Hole 1 400V TO-247 Silicon Junction 1.35V 3 - - +175 °C 15.75mm 5.15mm
RS Stock No. 168-8895
Mfr. Part No.STTH8R04D
PHP28.58
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. 168-7751
Mfr. Part No.STTH802CB-TR
PHP18.254
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. 165-5584
Mfr. Part No.STTH802B-TR
PHP20.42
Each (On a Reel of 2500)
units
Single 8A Surface Mount 1 200V DPAK (TO-252) Silicon Junction 1.05V 3 - - +175 °C 6.6mm 6.2mm
RS Stock No. 168-7200
Mfr. Part No.STTH5L06B-TR
PHP25.462
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. 829-4064
Mfr. Part No.STTH61W04SW
PHP204.025
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. 795-9189
Mfr. Part No.STTH802CB-TR
PHP29.242
Each (On a Tape of 10)
units
Common Cathode 2 x 4A Surface Mount 2 200V DPAK (TO-252) Silicon Junction 1.25V 3 - - +175 °C 6.6mm 6.2mm