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. 165-6844
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. 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. 165-7409
Mfr. Part No.SMBJ48CA-TR
SGD0.152
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. 714-7216
Mfr. Part No.SMBJ48CA-TR
SGD0.17
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. 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. 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. 486-0575
Mfr. Part No.1.5KE12CA
SGD1.102
Each (In a Pack of 5)
units
Single Bi-Directional 21.7V 11.4V Through Hole DO-201 10.2V 2 1500W 461A - 1 -65 °C +175 °C
RS Stock No. 795-9186
Mfr. Part No.BZW50-39B
SGD4.275
Each (In a Pack of 2)
units
Single Bi-Directional 90V 43.3V Through Hole R 6 39V 2 5000W 667A - 1 - +175 °C
RS Stock No. 919-6365
Mfr. Part No.1.5KE18CA
SGD0.557
Each (In a Bag of 600)
units
Single Bi-Directional 32.5V 17.1V Through Hole DO-201 15.3V 2 1500W 308A - 1 -65 °C +175 °C
RS Stock No. 486-4202
Mfr. Part No.1.5KE18CA
SGD1.288
Each (In a Pack of 5)
units
Single Bi-Directional 32.5V 17.1V Through Hole DO-201 15.3V 2 1500W 308A - 1 -65 °C +175 °C
RS Stock No. 168-7750
Mfr. Part No.BZW50-39B
SGD2.919
Each (On a Tape of 100)
units
Single Bi-Directional 90V 43.3V Through Hole R 6 39V 2 5000W 667A - 1 - +175 °C
RS Stock No. 919-6359
Mfr. Part No.1.5KE12CA
SGD0.529
Each (In a Bag of 600)
units
Single Bi-Directional 21.7V 11.4V Through Hole DO-201 10.2V 2 1500W 461A - 1 -65 °C +175 °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
SGD0.966
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. 920-9152
Mfr. Part No.SMA6J5.0CA-TR
SGD0.273
Each (On a Reel of 5000)
units
Single Bi-Directional 13.4V 6.4V Surface Mount DO-214AC (SMA) 5V 2 600W 298A - 1 -55 °C +175 °C
RS Stock No. 145-8782
Mfr. Part No.SMBJ33CA-TR
SGD0.17
Each (On a Reel of 2500)
units
Single Bi-Directional 69.7V 36.7V Surface Mount DO-214AA (SMB) 33V 2 600W 57A - 1 -55 °C +150 °C
RS Stock No. 486-4319
Mfr. Part No.1.5KE33CA
SGD1.198
Each (In a Pack of 5)
units
Single Bi-Directional 59V 31.4V Through Hole DO-201 28.2V 2 1500W 169A - 1 -65 °C +175 °C
RS Stock No. 168-6250
Mfr. Part No.1.5KE62A
SGD0.376
Each (On a Tape of 600)
units
Single Uni-Directional 111V 58.9V Through Hole DO-201 53V 2 1500W 90A - 1 -65 °C +175 °C