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. 189-8755
Mfr. Part No.MAX30034CUA+
SGD9.50
Each (In a Pack of 2)
units
Single Bi-Directional - - Surface Mount TDFN - 8 953mW 4A Yes 4 0 °C +70 °C
RS Stock No. 189-8793
Mfr. Part No.MAX3205EATE+
SGD3.33
Each (In a Pack of 10)
units
Dual Uni-Directional 30V - Surface Mount TQFN - 16 1.66W 45A Yes 2 -40 °C +125 °C
RS Stock No. 189-7261
Mfr. Part No.DS9503P+
SGD1.046
Each (In a Tube of 120)
units
Single - - - Surface Mount TSOC - 6 - - - 1 -40 °C +85 °C
RS Stock No. 540-2906
Mfr. Part No.DS9503P+
SGD1.75
Each
units
Single - - - Surface Mount TSOC - 6 - - - 1 -40 °C +85 °C
RS Stock No. 190-5994
Mfr. Part No.DS9503P+T&R
SGD1.58
Each (In a Pack of 10)
units
Single - - - Surface Mount TSOC - 6 - 2A Yes 1 -40 °C +85 °C
RS Stock No. 783-3548
Mfr. Part No.MAX3207EAUT+T
SGD2.46
Each (On a Tape of 5)
units
Array Uni-Directional 30V 0.95V Surface Mount SOT-23 - 6 0.69W 45A Yes 4 -40 °C +125 °C
RS Stock No. 190-4906
Mfr. Part No.DS9503P+T&R
SGD0.759
Each (On a Reel of 4000)
units
Single - - - Surface Mount TSOC - 6 - 2A Yes 1 -40 °C +85 °C
RS Stock No. 189-7266
Mfr. Part No.MAX3208EAUB+
SGD3.39
Each (In a Tube of 50)
units
Complex Array - - - - - - - - - - 4 - -
RS Stock No. 189-7262
Mfr. Part No.MAX30034CUA+
SGD8.169
Each (In a Tube of 50)
units
Single Bi-Directional - - Surface Mount TDFN - 8 953mW 4A Yes 4 0 °C +70 °C
RS Stock No. 189-8732
Mfr. Part No.DS9503P+
SGD1.627
Each (In a Pack of 25)
units
Single - - - Surface Mount TSOC - 6 - - - 1 -40 °C +85 °C
RS Stock No. 189-8839
Mfr. Part No.MAX3208EAUB+
SGD4.048
Each (In a Pack of 10)
units
Complex Array - - - - - - - - - - 4 - -
RS Stock No. 189-8819
Mfr. Part No.MAX3207EAUT+T
SGD2.51
Each (In a Pack of 5)
units
Array Uni-Directional 30V 0.95V Surface Mount SOT-23 - 6 0.69W 45A Yes 4 -40 °C +125 °C
RS Stock No. 146-0992
Mfr. Part No.DS9503P+
SGD1.071
Each (In a Tube of 120)
units
Single - - - Surface Mount TSOC - 6 - - - 1 -40 °C +85 °C
RS Stock No. 799-2846
Mfr. Part No.MAX3205EATE+
SGD3.886
Each (In a Pack of 5)
units
Dual Uni-Directional 30V - Surface Mount TQFN - 16 1.66W 45A Yes 2 -40 °C +125 °C
RS Stock No. 189-7264
Mfr. Part No.MAX3207EAUT+T
SGD1.013
Each (On a Reel of 2500)
units
Array Uni-Directional 30V 0.95V Surface Mount SOT-23 - 6 0.69W 45A Yes 4 -40 °C +125 °C
RS Stock No. 189-7263
Mfr. Part No.MAX3205EATE+
SGD2.617
Each (In a Tube of 100)
units
Dual Uni-Directional 30V - Surface Mount TQFN - 16 1.66W 45A Yes 2 -40 °C +125 °C