TVS Diodes

Transient voltage suppressor diodes, more commonly known as TVS diodes, are used to protect integrated circuits (ICs). TVS diodes protect semiconductors and sensitive components against high transient voltage spikes (overvoltage).


TVS diodes are offered in both through hole and surface mount packages. They can be unidirectional or bidirectional. Unidirectional TVS diodes will only allow positive or negative voltage whereas bidirectional diodes can operate at both positive and negative voltages.


TVS diodes are able to conduct large currents to the ground due to their construction. They feature a much larger p-n junction cross-sectional area than standard diodes. You can learn more in our TVS diodes guide.



What are the benefits of using transient voltage suppressor diodes?


TVS diodes respond incredibly quickly to overvoltage events, clamping transient voltages almost immediately. This enables them to protect circuits from the effects of arcing, inductive load switching, lightning strikes, EFT (electrical fast transients) and the ESD (electrostatic discharge) created by data lines and electronic circuits.


What do I need to consider when choosing a TVS diode?


There are a number of differentiators when choosing a TVS diode, but two key factors to consider are reverse standoff voltage and breakdown voltage.


  • Reverse standoff voltage - This is the operating voltage that the data or power line should not exceed.

  • Breakdown voltage - This is the voltage rating at which the TVS diode will provide protection and start conducting current to the ground. This voltage value is normally a little high than the reverse standoff voltage

Applications:


TVS diodes have numerous applications but are well suited to protect


  • microprocessors

  • MOS memory

  • AC power lines

  • Telecommunication equipment

  • Consumer electronics

...
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Description Price Diode Configuration Direction Type Maximum Clamping Voltage Minimum Breakdown Voltage Maximum Peak Pulse Current Mounting Type Package Type Maximum Reverse Stand-off Voltage Maximum Reverse Leakage Current Pin Count Peak Pulse Power Dissipation ESD Protection Number of Elements per Chip Minimum Operating Temperature
RS Stock No. 162-0207
Mfr. Part No.B72590T0040M060
BrandEPCOS
£0.038
Each (On a Reel of 10000)
Units
Single Bi-Directional 24V 8V 20A Surface Mount 0402 (1005M) 5.5V 500nA 2 - Yes 1 -40 °C
RS Stock No. 703-1632
Mfr. Part No.B72590T0040M060
BrandEPCOS
£0.039
Each (In a Pack of 25)
Units
Single Bi-Directional 24V 8V 20A Surface Mount 0402 (1005M) 5.5V 500nA 2 - Yes 1 -40 °C
RS Stock No. 496-2968
Mfr. Part No.B72500D0050A060
BrandEPCOS
£0.143
Each (In a Pack of 25)
Units
Single Bi-Directional 19V 6.4V 30A Surface Mount SOD-523 5.6V 1µA 2 1000W Yes 1 -40 °C
RS Stock No. 134-9470
Mfr. Part No.B72500D0050A060
BrandEPCOS
£0.033
Each (On a Reel of 4000)
Units
Single Bi-Directional 19V 6.4V 30A Surface Mount SOD-523 5.6V 1µA 2 1000W Yes 1 -40 °C
RS Stock No. 134-9472
Mfr. Part No.B72500D0150A060
BrandEPCOS
£0.046
Each (On a Reel of 4000)
Units
Single Bi-Directional 42V 22V 30A Surface Mount 0603 (1608M) 16V 10µA 2 2000W Yes 1 -40 °C
RS Stock No. 496-2980
Mfr. Part No.B72500D0150A060
BrandEPCOS
£0.072
Each (In a Pack of 25)
Units
Single Bi-Directional 42V 22V 30A Surface Mount 0603 (1608M) 16V 10µA 2 2000W Yes 1 -40 °C
RS Stock No. 134-9473
Mfr. Part No.B72500D0200A060
BrandEPCOS
£0.041
Each (On a Reel of 4000)
Units
Single Bi-Directional 50V 25V 30A Surface Mount SOD-523 22V 10µA 2 2200W Yes 1 -40 °C
RS Stock No. 496-2996
Mfr. Part No.B72500D0200A060
BrandEPCOS
£0.142
Each (In a Pack of 25)
Units
Single Bi-Directional 50V 25V 30A Surface Mount SOD-523 22V 10µA 2 2200W Yes 1 -40 °C
RS Stock No. 134-9475
Mfr. Part No.B72500D0300H060
BrandEPCOS
£0.049
Each (On a Reel of 4000)
Units
Single Bi-Directional 120V 50V 1A Surface Mount SOD-523 30V 1µA 2 - Yes 1 -40 °C
RS Stock No. 496-3028
Mfr. Part No.B72500D0300H060
BrandEPCOS
£0.078
Each (In a Pack of 25)
Units
Single Bi-Directional 120V 50V 1A Surface Mount SOD-523 30V 1µA 2 - Yes 1 -40 °C
RS Stock No. 703-1626
Mfr. Part No.B72590T0110S160
BrandEPCOS
£0.017
Each (In a Pack of 25)
Units
Single Bi-Directional 35V 16.5V 22A Surface Mount 0402 (1005M) 14V 500nA 2 - Yes 1 -40 °C
RS Stock No. 167-0322
Mfr. Part No.B72590T0110S160
BrandEPCOS
£0.014
Each (On a Reel of 10000)
Units
Single Bi-Directional 35V 16.5V 22A Surface Mount 0402 (1005M) 14V 500nA 2 - Yes 1 -40 °C
RS Stock No. 134-9471
Mfr. Part No.B72500D0090A060
BrandEPCOS
£0.051
Each (On a Reel of 4000)
Units
Single Bi-Directional 30V 10V 30A Surface Mount SOD-523 9V 1µA 2 1600W Yes 1 -40 °C
RS Stock No. 496-2974
Mfr. Part No.B72500D0090A060
BrandEPCOS
£0.077
Each (In a Pack of 25)
Units
Single Bi-Directional 30V 10V 30A Surface Mount SOD-523 9V 1µA 2 1600W Yes 1 -40 °C
RS Stock No. 134-9474
Mfr. Part No.B72500D0160H060
BrandEPCOS
£0.049
Each (On a Reel of 4000)
Units
Single Bi-Directional 290V 150V 1A Surface Mount 0603 (1608M) 16V 10µA 2 - Yes 1 -40 °C
RS Stock No. 496-3012
Mfr. Part No.B72500D0160H060
BrandEPCOS
£0.078
Each (In a Pack of 25)
Units
Single Bi-Directional 290V 150V 1A Surface Mount 0603 (1608M) 16V 10µA 2 - Yes 1 -40 °C