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) and the effects of arcs, EFT, ESD, inductive load switching, and even lightning strikes. RS Components offer an extensive range of TVS diodes from a multitude of brands across the industry, including Bourns, Littelfuse, ON Semiconductor, STMicroelectronics, Taiwan Semiconductor, Vishay, and more.

TVS diodes are offered in both through-hole and surface mount packages and 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?

Transient voltage suppressors 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, EFT (electrical fast transients), the ESD (electrostatic discharge) created by data lines and electronic circuits, and even lightning strikes.

What 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 is the operating voltage that the data or power line should not exceed. Breakdown voltage 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 higher than the reverse standoff voltage.

Typical applications of TVS diodes

  • TVS diodes have numerous applications but are primarily used 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$2.523
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$6.016
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. 825-5334
Mfr. Part No.TPD4E1U06DBVR
HK$3.266
Each (In a Pack of 20)
units
Complex Array Uni-Directional 15V 6.5V Surface Mount SOT-23 5.5V 6 45W 3A Yes 4 -40 °C +125 °C
RS Stock No. 812-0174
Mfr. Part No.TPD1E10B06DPYR
HK$3.202
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. 796-8357
Mfr. Part No.TPD2EUSB30DRTR
HK$4.578
Each (In a Pack of 25)
units
Complex Array Bi-Directional 8V 7V Surface Mount SOT-9X3 5.5V 3 45W 5A Yes 2 -40 °C +85 °C
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. 812-0171
Mfr. Part No.TPD2E001DZDR
HK$4.798
Each (On a Tape of 25)
units
Complex Array Uni-Directional 100V 11V Surface Mount SOP - 4 - - Yes 2 -40 °C +85 °C
RS Stock No. 162-8767
Mfr. Part No.TPD3E001DRYR
HK$1.38
Each (On a Reel of 5000)
units
Complex Array Uni-Directional 105.5V 11V Surface Mount SON - 6 - - Yes 3 -40 °C +85 °C
RS Stock No. 145-6770
Mfr. Part No.SN65240PW
HK$8.353
Each (In a Tube of 150)
units
Common Anode - - - Surface Mount TSSOP - 8 - - - 2 -40 °C +85 °C
RS Stock No. 162-7877
Mfr. Part No.TPD6E001RSER
HK$1.883
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 100V 11V Surface Mount UQFN - 10 - - Yes 6 -40 °C +85 °C
RS Stock No. 168-5058
Mfr. Part No.TPD4E02B04DQAR
HK$2.203
Each (On a Reel of 3000)
units
Quad Bi-Directional 8.8V 5.5V Surface Mount USON 3.6V 10 17W 2A Yes 4 -40 °C +125 °C
RS Stock No. 145-0527
Mfr. Part No.TPD1E05U06DPYT
HK$3.965
Each (On a Reel of 250)
units
Single Uni-Directional 14V 6V Surface Mount X2SON 5.5V 2 - 2.5A Yes 1 -40 °C +85 °C
RS Stock No. 162-6444
Mfr. Part No.TPD6E001RSFR
HK$1.638
Each (On a Reel of 2000)
units
Complex Array - - - Surface Mount QFN - 12 - - - 6 -40 °C +85 °C
RS Stock No. 825-5312
Mfr. Part No.TPD1E6B06DPLR
HK$3.119
Each (In a Pack of 20)
units
Single Bi-Directional 14V 6V Surface Mount X2SON 5V 2 50W 3.8A Yes 1 -40 °C +125 °C
RS Stock No. 133-0731
Mfr. Part No.TPD4E02B04DQAR
HK$5.009
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
RS Stock No. 162-7876
Mfr. Part No.TPD4S010DQAR
HK$2.369
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. 162-7871
Mfr. Part No.TPD2EUSB30ADRTR
HK$2.014
Each (On a Reel of 3000)
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. 162-8771
Mfr. Part No.TPD4E1U06DBVR
HK$0.899
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 15V 6.5V Surface Mount SOT-23 5.5V 6 45W 3A Yes 4 -40 °C +125 °C
RS Stock No. 812-0180
Mfr. Part No.TPD2E007DCKR
HK$5.534
Each (In a Pack of 25)
units
Series Uni-Directional - 14V Surface Mount SOT-323 (SC-70) - 3 150W 4.5A Yes 2 -40 °C +85 °C
RS Stock No. 825-5324
Mfr. Part No.TPD3E001DRYR
HK$4.011
Each (In a Pack of 20)
units
Complex Array Uni-Directional 105.5V 11V Surface Mount SON - 6 - - Yes 3 -40 °C +85 °C