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. 691-0773
Mfr. Part No.LCDA15C-8.TBT
BrandSemtech
HK$55.35
Each
units
Isolated Bi-Directional 33V 16.7V Surface Mount SOIC 15V 16 500W 15A Yes 8 -55 °C +125 °C
RS Stock No. 170-0826
Mfr. Part No.LCDA15C-8.TBT
BrandSemtech
HK$39.325
Each (On a Reel of 500)
units
Isolated Bi-Directional 33V 16.7V Surface Mount SOIC 15V 16 500W 15A Yes 8 -55 °C +125 °C
RS Stock No. 691-0792
Mfr. Part No.SM05.TCT
BrandSemtech
HK$4.099
Each (In a Pack of 10)
units
Common Anode Uni-Directional 9.8V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +125 °C
RS Stock No. 170-0840
Mfr. Part No.SMF05C.TCT
BrandSemtech
HK$3.068
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 12.5V 6V Surface Mount SOT-363 (SC-70) 5V 6 100W 8A Yes 5 -55 °C +125 °C
RS Stock No. 170-0831
Mfr. Part No.SM05.TCT
BrandSemtech
HK$2.049
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 9.8V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +125 °C
RS Stock No. 691-0843
Mfr. Part No.SMF05C.TCT
BrandSemtech
HK$5.849
Each (In a Pack of 10)
units
Common Anode Uni-Directional 12.5V 6V Surface Mount SOT-363 (SC-70) 5V 6 100W 8A Yes 5 -55 °C +125 °C
RS Stock No. 170-0851
Mfr. Part No.SRV05-4.TCT
BrandSemtech
HK$4.347
Each (On a Reel of 3000)
units
Single Uni-Directional 17.5V 6V Surface Mount SOT-23 5V 6 300W 12A Yes 1 -55 °C +125 °C
RS Stock No. 170-0842
Mfr. Part No.SMF05.TCT
BrandSemtech
HK$2.653
Each (On a Reel of 3000)
units
Common Anode - - - Surface Mount SOT-353 (SC-70) - 5 - - - 4 - -
RS Stock No. 170-0814
Mfr. Part No.TCLAMP2502N.TCT
BrandSemtech
HK$18.147
Each (On a Reel of 3000)
units
Single - 25V - Surface Mount SLP EP 2.5V 10 2500W 120A Yes 1 -40 °C +85 °C
RS Stock No. 146-0602
Mfr. Part No.SLVU2.8-4.TBT
BrandSemtech
HK$19.404
Each (On a Reel of 500)
units
Isolated Uni-Directional 15V - Surface Mount SOIC 2.8V 8 400W 24A Yes 4 -55 °C +125 °C
RS Stock No. 170-0804
Mfr. Part No.ECLAMP2410P.TCT
BrandSemtech
HK$9.684
Each (On a Reel of 3000)
units
Complex Array Bi-Directional - 6V Surface Mount SLP EP 5V 16 - - Yes 6 -40 °C +85 °C
RS Stock No. 691-0650
Mfr. Part No.RCLAMP0503F.TCT
BrandSemtech
HK$8.106
Each (In a Pack of 5)
units
Single Uni-Directional 25V 6V Surface Mount SOT-353 (SC-70) 5V 5 150W 6A Yes 1 -55 °C +125 °C
RS Stock No. 170-0812
Mfr. Part No.RCLAMP3654P.TCT
BrandSemtech
HK$3.523
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 30V 6.5V Surface Mount SLP EP 5.5V 6 350W 4A Yes 2 -55 °C +125 °C
RS Stock No. 146-0610
Mfr. Part No.RCLAMP0504PATCT
BrandSemtech
HK$5.595
Each (On a Reel of 3000)
units
Single Uni-Directional 25V 6V Surface Mount SLP1616P6 5V 6 150W 6A Yes 9 -55 °C +125 °C
RS Stock No. 170-0845
Mfr. Part No.SR2.8.TCT
BrandSemtech
HK$8.003
Each (On a Reel of 3000)
units
Single Uni-Directional 8.5V 2.8V Surface Mount SOT-143 2.8V 4 200W 14A Yes 1 -55 °C +125 °C
RS Stock No. 170-0838
Mfr. Part No.SMDA05-6.TBT
BrandSemtech
HK$14.101
Each (On a Reel of 500)
units
Complex Array Uni-Directional 11V 6V Surface Mount SOIC 5V 8 300W 17A Yes 6 -55 °C +125 °C
RS Stock No. 921-0091
Mfr. Part No.RCLAMP0521PATCT
BrandSemtech
HK$5.292
Each (In a Pack of 10)
units
Single Uni-Directional 15V 6V Surface Mount SLP2510P8 5V 10 150W 5A Yes 9 -55 °C +125 °C
RS Stock No. 170-0820
Mfr. Part No.LCDA05.TBT
BrandSemtech
HK$19.034
Each (On a Reel of 500)
units
Isolated Bi-Directional 11V 6V Surface Mount SOIC 5V 8 300W 7.1A Yes 4 -55 °C +125 °C
RS Stock No. 691-0846
Mfr. Part No.SMDA24C-7.TBT
BrandSemtech
HK$25.915
Each (In a Pack of 2)
units
Complex Array Bi-Directional 43V 26.7V Surface Mount SOIC 24V 8 300W 5A Yes 7 -55 °C +125 °C
RS Stock No. 691-0798
Mfr. Part No.SLVU2.8-8.TBT
BrandSemtech
HK$44.74
Each
units
Isolated Bi-Directional 17V - Surface Mount SOIC 2.8V 8 600W 30A Yes 4 -55 °C +125 °C