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. 770-4778
Mfr. Part No.D5V0L2B3SO-7
HK$2.269
Each (On a Tape of 50)
units
Array Bi-Directional 14V 6V Surface Mount SOT-23 5V 3 84W 6A Yes 4 -65 °C +150 °C
RS Stock No. 122-2399
Mfr. Part No.SMBJ100A-13-F
HK$0.766
Each (On a Reel of 3000)
units
Single Uni-Directional 162V 111V Surface Mount DO-214AA (SMB) 100V 2 600W 3.7A - 1 -55 °C +150 °C
RS Stock No. 823-1710
Mfr. Part No.SMBJ100A-13-F
HK$2.478
Each (In a Pack of 25)
units
Single Uni-Directional 162V 111V Surface Mount DO-214AA (SMB) 100V 2 600W 3.7A - 1 -55 °C +150 °C
RS Stock No. 169-0742
Mfr. Part No.D5V0L2B3SO-7
HK$0.512
Each (On a Reel of 3000)
units
Array Bi-Directional 14V 6V Surface Mount SOT-23 5V 3 84W 6A Yes 4 -65 °C +150 °C
RS Stock No. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
HK$2.679
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. 921-0981
Mfr. Part No.D5V0F1U2S9-7
HK$2.431
Each (In a Pack of 30)
units
Single Uni-Directional 12V 6V Surface Mount SOD-923 5.5V 2 0.25W 1.5A Yes 3 -65 °C +150 °C
RS Stock No. 206-0282
Mfr. Part No.D12V0M1U2LP3-7
HK$3.256
Each (In a Pack of 25)
units
Single Uni-Directional 25V 13V Surface Mount X3DFN0603 - 2 100W - - 1 - -
RS Stock No. 751-4994
Mfr. Part No.SMAJ28A-13-F
HK$2.226
Each (In a Pack of 50)
units
Single Uni-Directional 45.4V 31.1V Surface Mount DO-214AC (SMA) 28V 2 400W 8.8A - 1 -55 °C +150 °C
RS Stock No. 921-0984
Mfr. Part No.D5V0F2U3LP08-7B
HK$2.163
Each (In a Pack of 50)
units
Dual Uni-Directional 12V 6V Surface Mount X2-DFN0806 5.5V 3 0.25W 1.5A Yes 2 -55 °C +150 °C
RS Stock No. 170-9046
Mfr. Part No.DT1446-04TS-7
HK$1.41
Each (On a Reel of 3000)
units
Array Uni-Directional 8.5V 6V Surface Mount TSOT-26 5V 6 0.3W 4.7A Yes 10 -55 °C +150 °C
RS Stock No. 823-2909
Mfr. Part No.DESD5V2S2UT-7
HK$2.575
Each (In a Pack of 50)
units
Common Anode Uni-Directional 20V 6.4V Surface Mount SOT-23 1V 3 260W 15A Yes 2 -65 °C +150 °C
RS Stock No. 182-6848
Mfr. Part No.D3V3X8U9LP3810-7
HK$0.80
Each (On a Reel of 5000)
units
Array Uni-Directional 7V 5.5V Surface Mount U-DFN3810 - 9 350mW 3A Yes 8 -55 °C +85 °C
RS Stock No. 206-0283
Mfr. Part No.D13AP2WF-7
HK$1.602
Each (On a Reel of 3000)
units
- Uni-Directional 21.5V 14.4V Surface Mount SOD123F - 2 225W - - 1 - -
RS Stock No. 206-0292
Mfr. Part No.D8V0L1B2LPQ-7B
HK$0.546
Each (On a Reel of 10000)
units
Single Bi-Directional 17V 8.5V Surface Mount X1DFN1006 - 2 - - - 1 - -
RS Stock No. 169-7489
Mfr. Part No.DESD32VS2SO-7
HK$1.03
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 50V 34V Surface Mount SOT-23 32V 3 200W 4A Yes 2 -65 °C +150 °C
RS Stock No. 823-1760
Mfr. Part No.SMCJ170CA-13-F
HK$10.403
Each (In a Pack of 10)
units
Single Bi-Directional 275V 189V Surface Mount SMC 170V 2 1500W 5.5A - 1 -55 °C +150 °C
RS Stock No. 823-3059
Mfr. Part No.MMBZ15VDL-7-F
HK$1.004
Each (In a Pack of 100)
units
Common Cathode Uni-Directional 21.2V 14.3V Surface Mount SOT-23 12.8V 3 40W 1.9A Yes 2 -65 °C +150 °C
RS Stock No. 921-1004
Mfr. Part No.D5V0X1B2LP3-7
HK$2.276
Each (In a Pack of 50)
units
Single Bi-Directional 14V 6V Surface Mount DFN 5V 2 84W 6A Yes 2 -65 °C +150 °C
RS Stock No. 170-9047
Mfr. Part No.DT2042-04TS-7
HK$0.828
Each (On a Reel of 3000)
units
Array Uni-Directional 10.5V 6V Surface Mount TSOT-26 5.5V 6 0.3W ±10A Yes 9 -65 °C +150 °C
RS Stock No. 206-0330
Mfr. Part No.SMBJ58CAQ-13-F
HK$3.302
Each (In a Pack of 25)
units
Single Bi-Directional, Uni-Directional 93.6V 64.4V Surface Mount DO-214AA (SMB) - 2 600W - - 1 - -