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).


TVS diodes are offered in both through hole and surface mount packages. They 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.



What are the benefits of using transient voltage suppressor diodes?


TVS diodes 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, lightning strikes, EFT (electrical fast transients) and the ESD (electrostatic discharge) created by data lines and electronic circuits.


What do I need 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 - This is the operating voltage that the data or power line should not exceed.

  • Breakdown voltage - This 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 high than the reverse standoff voltage

Applications:


TVS diodes have numerous applications but are well suited 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 Maximum Peak Pulse Current Mounting Type Package Type Maximum Reverse Stand-off Voltage Maximum Reverse Leakage Current Pin Count Peak Pulse Power Dissipation ESD Protection Number of Elements per Chip Minimum Operating Temperature
RS Stock No. 168-5058
Mfr. Part No.TPD4E02B04DQAR
€0.232
Each (On a Reel of 3000)
units
Quad Bi-Directional 8.8V 5.5V 2A Surface Mount USON 3.6V 10nA 10 17W Yes 4 -40 °C
RS Stock No. 166-0106
Mfr. Part No.SP0504BAHTG
BrandLittelfuse
€0.375
Each (On a Reel of 3000)
units
Array Uni-Directional 8.5V - - Surface Mount SOT-23 5.5V 100nA 5 0.22W Yes 4 -40 °C
RS Stock No. 165-9860
Mfr. Part No.SMCJ350CA
BrandLittelfuse
€0.301
Each (On a Reel of 3000)
units
Single Bi-Directional 567V 391V 2.6A Surface Mount DO-214AB (SMC) 350V 1µA 2 1500W - 1 -65 °C
RS Stock No. 714-7147
Mfr. Part No.SMBJ13A-TR
€0.215
Each (In a Pack of 25)
units
Single Uni-Directional 27.2V 14.4V 147A Surface Mount DO-214AA (SMB) 13V 200nA 2 600W - 1 -55 °C
RS Stock No. 857-7946
Mfr. Part No.ESD203B102ELE6327XTMA1
BrandInfineon
€0.05
Each (On a Reel of 15000)
units
Single Bi-Directional 23V - 5A Surface Mount TSSLP 13.2V 50nA 2 115W Yes 1 -55 °C
RS Stock No. 764-5521
Mfr. Part No.SA5.0A
BrandLittelfuse
€0.284
Each (In a Pack of 10)
units
Single Uni-Directional 9.2V 6.4V 55.4A Through Hole DO-204AC 5V 600µA 2 500W - 1 -55 °C
RS Stock No. 818-4402
Mfr. Part No.VBUS05L1-DD1-G-08
BrandVishay
€0.221
Each (In a Pack of 50)
units
Dual Bi-Directional 14V 7V 2A Surface Mount LLP1006 5.5V 50nA 2 34W Yes 2 -40 °C
RS Stock No. 906-6905
Mfr. Part No.CPDU5V0U-HF
€0.10
Each (In a Pack of 500)
units
Single Uni-Directional 12.5V 6V 16A Surface Mount SOD-523F (0603) - 2µA 2 - Yes 1 -55 °C
RS Stock No. 802-2364
Mfr. Part No.SMBJ6V0CA
€0.376
Each (On a Tape of 50)
units
Single Bi-Directional 10.3V 6.67V 58.3A Surface Mount DO-214AA (SMB) 6V 800µA 2 600W - 1 -55 °C
RS Stock No. 793-1970
Mfr. Part No.SP3012-04UTG
BrandLittelfuse
€0.506
Each (In a Pack of 10)
units
Complex Array Uni-Directional 7V - 2A Surface Mount μDFN 5V 1.5µA 10 - Yes 4 -40 °C
RS Stock No. 919-0913
Mfr. Part No.SMAJ5.0A-E3/61
BrandVishay
€0.087
Each (On a Reel of 1800)
units
Single Uni-Directional 9.2V 6.4V 43.5A Surface Mount DO-214AC (SMA) 5V 800µA 2 400W - 1 -55 °C
RS Stock No. 166-0110
Mfr. Part No.SP3012-04UTG
BrandLittelfuse
€0.249
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 7V - 2A Surface Mount μDFN 5V 1.5µA 10 - Yes 4 -40 °C
RS Stock No. 168-5742
Mfr. Part No.ESDA6V1BC6
€0.078
Each (On a Reel of 3000)
units
Complex Array Bi-Directional - 6.1V - Surface Mount SOT-23 5V 1µA 6 80W Yes 4 -40 °C
RS Stock No. 166-1436
Mfr. Part No.PESD3V3S2UAT,215
BrandNexperia
€0.06
Each (On a Reel of 3000)
units
Common Cathode Uni-Directional 20V 5.2V 18A Surface Mount SOT-23 (TO-236AB) 3.3V 2µA 3 330W Yes 2 -65 °C
RS Stock No. 168-8875
Mfr. Part No.RBO40-40G-TR
€1.142
Each (On a Reel of 1000)
units
Single Bi-Directional, Uni-Directional 40V 22V 37.5A Surface Mount D2PAK (TO-263) 20V 100µA 3 1500W - 1 -40 °C
RS Stock No. 902-6587
Mfr. Part No.1N6279A-E3/54
BrandVishay
€0.599
Each (In a Pack of 25)
units
Single Uni-Directional 30.6V 20.9V 49A Through Hole 1.5KE 18.8V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 808-0350
Mfr. Part No.SMCJ51A
€0.311
Each (On a Tape of 20)
units
Single Uni-Directional 82.4V 56.7V 18.2A Surface Mount DO-214AB (SMC) 51V 5µA 2 1500W - 1 -
RS Stock No. 518-0779
Mfr. Part No.SMCJ28A-E3/57T
BrandVishay
€0.403
Each (In a Pack of 10)
units
Single Uni-Directional 45.4V 31.1V 33A Surface Mount SMC 28V 1µA 2 1500W - 1 -55 °C
RS Stock No. 786-2943
Mfr. Part No.ESD9P5.0ST5G
€0.225
Each (In a Pack of 50)
units
Single Uni-Directional 9.8V 5.8V 1A Surface Mount SOD-923 5V 1µA 2 0.15W Yes 1 -55 °C
RS Stock No. 166-1914
Mfr. Part No.SMBJ6V0CA
€0.154
Each (On a Reel of 3000)
units
Single Bi-Directional 10.3V 6.67V 58.3A Surface Mount DO-214AA (SMB) 6V 800µA 2 600W - 1 -55 °C
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