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 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 Dimensions
RS Stock No. 102-2281
Mfr. Part No.NUP2105LT1G
Brandonsemi
kr 1,204
Each (On a Reel of 3000)
Units
Series Bi-Directional 44V 26.2V Surface Mount SOT-23 24V 3 350W 8A Yes 2 -55 °C 2.9 x 1.3 x 0.94mm
RS Stock No. 464-255
Mfr. Part No.NUP2105LT1G
Brandonsemi
kr 4,131
Each (In a Pack of 20)
Units
Series Bi-Directional 44V 26.2V Surface Mount SOT-23 24V 3 350W 8A Yes 2 -55 °C 2.9 x 1.3 x 0.94mm
RS Stock No. 169-0795
Mfr. Part No.DESD5V0S1BB-7
kr 0,724
Each (On a Reel of 3000)
Units
Single Bi-Directional 14V 5.5V Surface Mount SOD-523 5V 2 130W 12A Yes 1 -65 °C 1.3 x 0.9 x 0.65mm
RS Stock No. 770-5106
Mfr. Part No.DESD5V0S1BB-7
kr 3,835
Each (In a Pack of 50)
Units
Single Bi-Directional 14V 5.5V Surface Mount SOD-523 5V 2 130W 12A Yes 1 -65 °C 1.3 x 0.9 x 0.65mm
RS Stock No. 543-8854
Mfr. Part No.P6KE33A
kr 19,178
Each (In a Pack of 5)
Units
Single Uni-Directional 45.7V 31.4V Through Hole DO-15 28.2V 2 600W 13.2A - 1 -65 °C 7.62 x 3.56 x 3.56mm
RS Stock No. 166-2524
Mfr. Part No.P6KE33A
kr 3,607
Each (On a Reel of 4000)
Units
Single Uni-Directional 45.7V 31.4V Through Hole DO-15 28.2V 2 600W 13.2A - 1 -65 °C 7.62 x 3.56 x 3.56mm
RS Stock No. 166-0143
Mfr. Part No.PTVS15VS1UR,115
BrandNexperia
kr 1,586
Each (On a Reel of 3000)
Units
Single Uni-Directional 24.4V 16.7V Surface Mount SOD-123W 15V 2 400W 16.4A Yes 1 -55 °C 2.8 x 1.9 x 1.1mm
RS Stock No. 791-8983
Mfr. Part No.PTVS15VS1UR,115
BrandNexperia
kr 3,852
Each (In a Pack of 30)
Units
Single Uni-Directional 24.4V 16.7V Surface Mount SOD-123W 15V 2 400W 16.4A Yes 1 -55 °C 2.8 x 1.9 x 1.1mm
RS Stock No. 166-1776
Mfr. Part No.P6KE20A
kr 1,819
Each (On a Reel of 4000)
Units
Single Uni-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -65 °C 7.62 x 3.56 x 3.56mm
RS Stock No. 543-8602
Mfr. Part No.P6KE20A
kr 6,044
Each (In a Pack of 5)
Units
Single Uni-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -65 °C 7.62 x 3.56 x 3.56mm
RS Stock No. 496-2974
Mfr. Part No.B72500D0090A060
BrandEPCOS
kr 0,973
Each (In a Pack of 25)
Units
Single Bi-Directional 30V 10V Surface Mount SOD-523 9V 2 1600W 30A Yes 1 -40 °C 1.75 x 0.9 x 0.9mm
RS Stock No. 134-9471
Mfr. Part No.B72500D0090A060
BrandEPCOS
kr 0,681
Each (On a Reel of 4000)
Units
Single Bi-Directional 30V 10V Surface Mount SOD-523 9V 2 1600W 30A Yes 1 -40 °C 1.75 x 0.9 x 0.9mm
RS Stock No. 170-0839
Mfr. Part No.SMDA15C.TBT
BrandSemtech
kr 31,72
Each (On a Reel of 500)
Units
Isolated Bi-Directional 30V 16.7V Surface Mount SOIC 15V 8 300W 10A Yes 4 -55 °C 5 x 4 x 1.5mm
RS Stock No. 691-0833
Mfr. Part No.SMDA15C.TBT
BrandSemtech
kr 50,66
Each
Units
Isolated Bi-Directional 30V 16.7V Surface Mount SOIC 15V 8 300W 10A Yes 4 -55 °C 5 x 4 x 1.5mm
RS Stock No. 509-099
Mfr. Part No.PESD3V3S2UT,215
BrandNexperia
kr 5,07
Each (In a Pack of 20)
Units
Common Anode Uni-Directional 20V 5.2V Surface Mount SOT-23 (TO-236AB) 3.3V 3 330W 18A Yes 2 -65 °C 3 x 1.4 x 1mm
RS Stock No. 764-5464
Mfr. Part No.5KP36CA
BrandLittelfuse
kr 42,224
Each (In a Pack of 5)
Units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C 9.1 x 9.1mm
RS Stock No. 691-0638
Mfr. Part No.ECLAMP2410P.TCT
BrandSemtech
kr 6,096
Each (In a Pack of 5)
Units
Complex Array Bi-Directional - 6V Surface Mount SLP EP 5V 16 - - Yes 6 -40 °C 4.1 x 1.6 x 0.65mm
RS Stock No. 166-0627
Mfr. Part No.5KP36CA
BrandLittelfuse
kr 32,348
Each (On a Reel of 800)
Units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C 9.1 x 9.1mm
RS Stock No. 162-7877
Mfr. Part No.TPD6E001RSER
kr 2,515
Each (On a Reel of 3000)
Units
Complex Array Uni-Directional 100V 11V Surface Mount UQFN - 10 - - Yes 6 -40 °C 2.05 x 1.55 x 0.55mm
RS Stock No. 714-1032
Mfr. Part No.SMAJ33A-TR
kr 5,958
Each (In a Pack of 20)
Units
Single Uni-Directional 69.7V 36.7V Surface Mount DO-214AC (SMA) 33V 2 400W 33A Yes 1 -55 °C 4.6 x 2.95 x 2.03mm