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. 165-2881
Mfr. Part No.SMCJ54A-E3/57T
BrandVishay
SGD0.34
Each (On a Reel of 850)
units
Single Uni-Directional 87.1V 60V Surface Mount SMC 54V 2 1500W 17.2A - 1 -55 °C +150 °C
RS Stock No. 163-2151
Mfr. Part No.ESD9X5.0ST5G
SGD0.033
Each (On a Reel of 8000)
units
Single Uni-Directional 12.3V 6.2V Surface Mount SOD-923 5V 2 107W 8.7A Yes 1 -55 °C +150 °C
RS Stock No. 812-0219
Mfr. Part No.TPD4S010DQAR
SGD0.974
Each (On a Tape of 25)
units
Complex Array Uni-Directional - 9V Surface Mount USON 5.5V 10 25W 2.5A Yes 4 -40 °C +85 °C
RS Stock No. 919-6383
Mfr. Part No.1.5KE33CA
SGD0.60
Each (In a Bag of 600)
units
Single Bi-Directional 59V 31.4V Through Hole DO-201 28.2V 2 1500W 169A - 1 -65 °C +175 °C
RS Stock No. 710-3563
Mfr. Part No.SMCJ54A-E3/57T
BrandVishay
SGD0.647
Each (In a Pack of 10)
units
Single Uni-Directional 87.1V 60V Surface Mount SMC 54V 2 1500W 17.2A - 1 -55 °C +150 °C
RS Stock No. 170-0812
Mfr. Part No.RCLAMP3654P.TCT
BrandSemtech
SGD0.642
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. 636-5527
Mfr. Part No.SA5.0A-E3/54
BrandVishay
SGD0.746
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V Through Hole DO-15 5V 2 500W 54.3A - 1 -55 °C +175 °C
RS Stock No. 791-6163
Mfr. Part No.MMQA5V6T1G
SGD0.426
Each (On a Tape of 50)
units
Common Anode Uni-Directional 8V 5.32V Surface Mount SC-74 3V 6 150W 3A Yes 4 -55 °C +150 °C
RS Stock No. 166-3160
Mfr. Part No.SMCJ150A
SGD0.38
Each (On a Reel of 3000)
units
Single Uni-Directional 243V 167V Surface Mount DO-214AB (SMC) 150V 2 1500W 6.2A - 1 - +150 °C
RS Stock No. 162-7876
Mfr. Part No.TPD4S010DQAR
SGD0.41
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. 464-255
Mfr. Part No.NUP2105LT1G
SGD0.486
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 +150 °C
RS Stock No. 463-802
Mfr. Part No.MMBZ5V6ALT1G
SGD0.098
Each (In a Pack of 100)
units
Common Anode Uni-Directional 8V 5.32V Surface Mount SOT-23 3V 3 24W 3A Yes 2 -55 °C +150 °C
RS Stock No. 178-7615
Mfr. Part No.MMQA5V6T1G
SGD0.088
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 8V 5.32V Surface Mount SC-74 3V 6 150W 3A Yes 4 -55 °C +150 °C
RS Stock No. 486-4404
Mfr. Part No.1.5KE62A
SGD0.932
Each (In a Pack of 5)
units
Single Uni-Directional 111V 58.9V Through Hole DO-201 53V 2 1500W 90A - 1 -65 °C +175 °C
RS Stock No. 166-1416
Mfr. Part No.PESD3V3L2BT,215
BrandNexperia
SGD0.179
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 5.8V Surface Mount SOT-23 (TO-236AB) 3.3V 3 350W 15A Yes 2 -65 °C +150 °C
RS Stock No. 168-6247
Mfr. Part No.1.5KE220CA
SGD0.948
Each (On a Tape of 600)
units
Single Bi-Directional 388V 209V Through Hole DO-201 188V 2 1500W 26A - 1 -65 °C +175 °C
RS Stock No. 162-7877
Mfr. Part No.TPD6E001RSER
SGD0.286
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. 919-6396
Mfr. Part No.1.5KE36CA
SGD0.632
Each (In a Bag of 600)
units
Single Bi-Directional 64.3V 34.2V Through Hole DO-201 30.8V 2 1500W 156A - 1 -65 °C +175 °C
RS Stock No. 486-4347
Mfr. Part No.1.5KE36CA
SGD0.822
Each (In a Pack of 5)
units
Single Bi-Directional 64.3V 34.2V Through Hole DO-201 30.8V 2 1500W 156A - 1 -65 °C +175 °C
RS Stock No. 636-5533
Mfr. Part No.SA12A-E3/54
BrandVishay
SGD0.792
Each (In a Pack of 5)
units
Single Uni-Directional 19.9V 13.3V Through Hole DO-15 12V 2 500W 25.1A - 1 -55 °C +175 °C