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. 687-3040
Mfr. Part No.P6SMB68CA R5
SGD0.555
Each (In a Pack of 20)
units
Single Bi-Directional 92V 64.6V Surface Mount DO-214AA (SMB) 58V 2 600W 6.8A - 1 -65 °C +150 °C
RS Stock No. 169-9038
Mfr. Part No.P6SMB68CA R5
SGD0.63
Each (On a Reel of 850)
units
Single Bi-Directional 92V 64.6V Surface Mount DO-214AA (SMB) 58V 2 600W 6.8A - 1 -65 °C +150 °C
RS Stock No. 165-6844
Mfr. Part No.ESDAXLC6-1BT2
SGD0.14
Each (On a Reel of 12000)
units
Single Bi-Directional 17V 6V Surface Mount SOD-882 3V 2 40W 1.3A Yes 1 -40 °C +150 °C
RS Stock No. 791-9138
Mfr. Part No.ESDAXLC6-1BT2
SGD0.232
Each (In a Pack of 100)
units
Single Bi-Directional 17V 6V Surface Mount SOD-882 3V 2 40W 1.3A Yes 1 -40 °C +150 °C
RS Stock No. 166-2524
Mfr. Part No.P6KE33A
SGD0.313
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 +175 °C
RS Stock No. 543-8854
Mfr. Part No.P6KE33A
SGD0.824
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 +175 °C
RS Stock No. 168-7255
Mfr. Part No.SMAJ6.0CA-TR
SGD0.152
Each (On a Reel of 5000)
units
Single Bi-Directional 13.7V 6.7V Surface Mount DO-214AC (SMA) 6V 2 400W 170A - 1 -55 °C +150 °C
RS Stock No. 795-8502
Mfr. Part No.SMAJ6.0CA-TR
SGD0.496
Each (In a Pack of 25)
units
Single Bi-Directional 13.7V 6.7V Surface Mount DO-214AC (SMA) 6V 2 400W 170A - 1 -55 °C +150 °C
RS Stock No. 166-1425
Mfr. Part No.PESD5V0L4UG,115
BrandNexperia
SGD0.149
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 13V 6.46V Surface Mount UMT 5V 5 30W 2.5A Yes 4 -65 °C +150 °C
RS Stock No. 165-7409
Mfr. Part No.SMBJ48CA-TR
SGD0.153
Each (On a Reel of 2500)
units
Single Bi-Directional 100V 53.3V Surface Mount DO-214AA (SMB) 48V 2 600W 40A - 1 -55 °C +150 °C
RS Stock No. 508-046
Mfr. Part No.PESD12VS1UB,115
BrandNexperia
SGD0.462
Each (In a Pack of 20)
units
Single Uni-Directional 35V 14.7V Surface Mount I-IGIA 12V 2 180W 5A Yes 1 -65 °C +150 °C
RS Stock No. 485-6986
Mfr. Part No.BZW50-15
SGD4.62
Each
units
Single Uni-Directional 35V 16.6V Through Hole R 6 15V 2 5000W 1714A - 1 -65 °C +175 °C
RS Stock No. 714-7216
Mfr. Part No.SMBJ48CA-TR
SGD0.441
Each (In a Pack of 25)
units
Single Bi-Directional 100V 53.3V Surface Mount DO-214AA (SMB) 48V 2 600W 40A - 1 -55 °C +150 °C
RS Stock No. 166-1390
Mfr. Part No.PESD12VS1UB,115
BrandNexperia
SGD0.12
Each (On a Reel of 3000)
units
Single Uni-Directional 35V 14.7V Surface Mount I-IGIA 12V 2 180W 5A Yes 1 -65 °C +150 °C
RS Stock No. 102-6164
Mfr. Part No.BZW50-15
SGD3.119
Each (In a Bag of 100)
units
Single Uni-Directional 35V 16.6V Through Hole R 6 15V 2 5000W 1714A - 1 -65 °C +175 °C
RS Stock No. 509-475
Mfr. Part No.PESD5V0L4UG,115
BrandNexperia
SGD0.435
Each (In a Pack of 20)
units
Common Anode Uni-Directional 13V 6.46V Surface Mount UMT 5V 5 30W 2.5A Yes 4 -65 °C +150 °C
RS Stock No. 177-5882
Mfr. Part No.P6KE27A R0
SGD0.456
Each (On a Reel of 3500)
units
Single Uni-Directional 37.5V 25.7V Through Hole DO-15 23.1V 2 600W 16.8A - 1 -55 °C +175 °C
RS Stock No. 773-7661
Mfr. Part No.ESD9L3.3ST5G
SGD0.427
Each (In a Pack of 10)
units
Single Uni-Directional 9V 4.8V Surface Mount SOD-923 3.3V 2 0.15W 1A Yes 1 -55 °C +150 °C
RS Stock No. 145-4207
Mfr. Part No.MMQA12VT1G
SGD0.131
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 17.3V 11.4V Surface Mount SC-74 9.1V 6 150W - Yes 4 -55 °C +150 °C
RS Stock No. 103-5106
Mfr. Part No.ESD9L3.3ST5G
SGD0.114
Each (On a Reel of 8000)
units
Single Uni-Directional 9V 4.8V Surface Mount SOD-923 3.3V 2 0.15W 1A Yes 1 -55 °C +150 °C