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.



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 Mounting Type Package Type Maximum Reverse Stand-off Voltage Pin Count Peak Pulse Power Dissipation Maximum Peak Pulse Current ESD Protection Number of Elements per Chip Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 921-5125
Mfr. Part No.TPD4S012DRYR
HK$2.194
Each (On a Reel of 5000)
units
Complex Array Uni-Directional - 20V Surface Mount SON - 6 60W 3A Yes 3 -40 °C +85 °C
RS Stock No. 709-9076
Mfr. Part No.TPD4S012DRYR
HK$5.90
Each (In a Pack of 5)
units
Complex Array Uni-Directional - 20V Surface Mount SON - 6 60W 3A Yes 3 -40 °C +85 °C
RS Stock No. 665-8784
Mfr. Part No.SN65240PW
HK$13.01
Each (In a Pack of 5)
units
Common Anode - - - Surface Mount TSSOP - 8 - - - 2 -40 °C +85 °C
RS Stock No. 812-0187
Mfr. Part No.TPD2EUSB30ADRTR
HK$3.861
Each (In a Pack of 25)
units
Complex Array Uni-Directional 8V 7V Surface Mount SOT-9X3 5.5V 3 45W 5A Yes 2 -40 °C +85 °C
RS Stock No. 812-0177
Mfr. Part No.TPD2E001DRYR
HK$3.94
Each (On a Tape of 25)
units
Complex Array Uni-Directional 100V 11V Surface Mount SON - 6 - - Yes 2 -40 °C +85 °C
RS Stock No. 709-9085
Mfr. Part No.TPD6E001RSFR
HK$3.79
Each (In a Pack of 10)
units
Complex Array - - - Surface Mount QFN - 12 - - - 6 -40 °C +85 °C
RS Stock No. 665-8775
Mfr. Part No.SN65240P
HK$13.09
Each (In a Pack of 5)
units
Common Anode - - - Through Hole PDIP - 8 - - - 2 -40 °C +85 °C
RS Stock No. 825-5328
Mfr. Part No.TPD4E001DRSR
HK$4.45
Each (In a Pack of 10)
units
Complex Array Uni-Directional 105.5V 11V Surface Mount SON 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
RS Stock No. 812-0203
Mfr. Part No.TPD4E001DBVR
HK$4.45
Each (In a Pack of 25)
units
Complex Array Uni-Directional 100V 11V Surface Mount SOT-23 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
RS Stock No. 162-7876
Mfr. Part No.TPD4S010DQAR
HK$2.122
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - 9V Surface Mount USON 5.5V 10 25W 2.5A Yes 4 -40 °C +85 °C
RS Stock No. 145-7394
Mfr. Part No.TPD4E002DRLR
HK$2.029
Each (On a Reel of 4000)
units
Common Anode - - - - - - - - - - 4 - -
RS Stock No. 709-9066
Mfr. Part No.TPD4E001DRLR
HK$5.552
Each (In a Pack of 5)
units
Complex Array - - - Surface Mount SOT-553 - 6 - - - 4 -40 °C +85 °C
RS Stock No. 922-2997
Mfr. Part No.SN65240P
HK$11.12
Each (In a Tube of 50)
units
Common Anode - - - Through Hole PDIP - 8 - - - 2 -40 °C +85 °C
RS Stock No. 162-7868
Mfr. Part No.TPD2E007DCKR
HK$2.377
Each (On a Reel of 3000)
units
Series Uni-Directional - 14V Surface Mount SOT-323 (SC-70) - 3 150W 4.5A Yes 2 -40 °C +85 °C
RS Stock No. 121-9347
Mfr. Part No.TPD1E10B06DPYR
HK$0.582
Each (On a Reel of 10000)
units
Single Bi-Directional 14V 6V Surface Mount X2SON 5.5V 2 90W 6A Yes 1 -40 °C +125 °C
RS Stock No. 812-0174
Mfr. Part No.TPD1E10B06DPYR
HK$2.658
Each (In a Pack of 25)
units
Single Bi-Directional 14V 6V Surface Mount X2SON 5.5V 2 90W 6A Yes 1 -40 °C +125 °C
RS Stock No. 709-9088
Mfr. Part No.TPD6E004RSER
HK$5.284
Each (In a Pack of 5)
units
Complex Array - - - Surface Mount QFN - 8 - - - 6 -40 °C +85 °C
RS Stock No. 162-8768
Mfr. Part No.TPD4E001DRSR
HK$2.11
Each (On a Reel of 1000)
units
Complex Array Uni-Directional 105.5V 11V Surface Mount SON 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
RS Stock No. 709-9060
Mfr. Part No.TPD4E002DRLR
HK$4.54
Each (In a Pack of 10)
units
Common Anode - - - - - - - - - - 4 - -
RS Stock No. 133-0731
Mfr. Part No.TPD4E02B04DQAR
HK$4.934
Each (In a Pack of 20)
units
Quad Bi-Directional 8.8V 5.5V Surface Mount USON 3.6V 10 17W 2A Yes 4 -40 °C +125 °C