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. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
SGD0.428
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 770-4765
Mfr. Part No.D5V0L1B2LP3-7
SGD0.416
Each (In a Pack of 50)
units
Array Bi-Directional 14V 6V Surface Mount DFN 5V 2 84W 6A Yes 2 -65 °C +150 °C
RS Stock No. 169-0741
Mfr. Part No.D5V0L1B2LP3-7
SGD0.089
Each (On a Reel of 10000)
units
Array Bi-Directional 14V 6V Surface Mount DFN 5V 2 84W 6A Yes 2 -65 °C +150 °C
RS Stock No. 822-8568
Mfr. Part No.SMAJ28CA-13-F
SGD0.456
Each (In a Pack of 25)
units
Single Bi-Directional 45.4V 31.1V Surface Mount DO-214AC (SMA) 28V 2 400W 8.8A - 1 -55 °C +150 °C
RS Stock No. 823-1738
Mfr. Part No.SMBJ30A-13-F
SGD0.428
Each (In a Pack of 25)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 751-5010
Mfr. Part No.SMAJ58A-13-F
SGD0.413
Each (In a Pack of 50)
units
Single Uni-Directional 93.6V 64.4V Surface Mount DO-214AC (SMA) 58V 2 400W 4.3A - 1 -55 °C +150 °C
RS Stock No. 179-1122
Mfr. Part No.SMBJ30A-13-F
SGD0.13
Each (On a Reel of 3000)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 179-1158
Mfr. Part No.SMAJ28CA-13-F
SGD0.13
Each (On a Reel of 5000)
units
Single Bi-Directional 45.4V 31.1V Surface Mount DO-214AC (SMA) 28V 2 400W 8.8A - 1 -55 °C +150 °C
RS Stock No. 122-2899
Mfr. Part No.SMAJ10A-13-F
SGD0.121
Each (On a Reel of 5000)
units
Single Uni-Directional 17V 11.1V Surface Mount DO-214AC (SMA) 10V 2 400W 23.5A - 1 -55 °C +150 °C
RS Stock No. 122-2404
Mfr. Part No.SMBJ24CA-13-F
SGD0.133
Each (On a Reel of 3000)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 822-8584
Mfr. Part No.SMAJ51CA-13-F
SGD0.428
Each (In a Pack of 25)
units
Single Bi-Directional 82.4V 56.7V Surface Mount DO-214AC (SMA) 51V 2 400W 4.9A - 1 -55 °C +150 °C
RS Stock No. 822-8528
Mfr. Part No.SMAJ10A-13-F
SGD0.409
Each (In a Pack of 50)
units
Single Uni-Directional 17V 11.1V Surface Mount DO-214AC (SMA) 10V 2 400W 23.5A - 1 -55 °C +150 °C
RS Stock No. 751-4048
Mfr. Part No.DLP05LC-7-F
SGD0.599
Each (On a Tape of 50)
units
Single Uni-Directional 11V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 1 -55 °C +150 °C
RS Stock No. 179-1164
Mfr. Part No.SMAJ51CA-13-F
SGD0.13
Each (On a Reel of 5000)
units
Single Bi-Directional 82.4V 56.7V Surface Mount DO-214AC (SMA) 51V 2 400W 4.9A - 1 -55 °C +150 °C
RS Stock No. 823-1735
Mfr. Part No.SMBJ24CA-13-F
SGD0.426
Each (In a Pack of 25)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 121-9539
Mfr. Part No.DLP05LC-7-F
SGD0.197
Each (On a Reel of 3000)
units
Single Uni-Directional 11V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 1 -55 °C +150 °C
RS Stock No. 770-4793
Mfr. Part No.D5V0L4B5SO-7
SGD0.585
Each (In a Pack of 25)
units
Array Bi-Directional 14V 6V Surface Mount SOT-25 5V 5 84W 6A Yes 8 -65 °C +150 °C
RS Stock No. 179-1141
Mfr. Part No.SMAJ100CA-13-F
SGD0.13
Each (On a Reel of 5000)
units
Single Bi-Directional 162V 111V Surface Mount DO-214AC (SMA) 100V 2 400W 2.5A - 1 -55 °C +150 °C
RS Stock No. 165-8882
Mfr. Part No.SMAJ48A-13-F
SGD0.121
Each (On a Reel of 5000)
units
Single Uni-Directional 77.4V 53.3V Surface Mount DO-214AC (SMA) 48V 2 400W 5.2A - 1 -55 °C +150 °C
RS Stock No. 179-1146
Mfr. Part No.SMAJ24A-13-F
SGD0.116
Each (On a Reel of 5000)
units
Single Uni-Directional 38.9V 26.7V Surface Mount DO-214AC (SMA) 24V 2 400W 10.3A - 1 -55 °C +150 °C