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. 165-3033
Mfr. Part No.CDNBS08-PLC03-6
BrandBourns
€0.964
Each (On a Reel of 2500)
units
Complex Array Uni-Directional 20V 6.8V 100A Surface Mount SOIC 6V 25µA 8 2000W Yes 5 -55 °C
RS Stock No. 709-9066
Mfr. Part No.TPD4E001DRLR
€0.552
Each (In a Pack of 5)
units
Complex Array - - - - Surface Mount SOT-553 - - 6 - - 4 -40 °C
RS Stock No. 166-0110
Mfr. Part No.SP3012-04UTG
BrandLittelfuse
€0.248
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. 902-6587
Mfr. Part No.1N6279A-E3/54
BrandVishay
€0.30
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. 166-0299
Mfr. Part No.SA5.0A
BrandLittelfuse
€0.141
Each (On a Reel of 4000)
units
Single Uni-Directional 9.2V 6.4V 55.4A Through Hole DO-204AC 5V 600µA 2 500W - 1 -55 °C
RS Stock No. 168-6178
Mfr. Part No.BZW06-15B
€0.194
Each (On a Tape of 1000)
units
Single Bi-Directional 32.5V 17.1V 123A Through Hole DO-15 15.3V 1µA 2 600W - 1 -65 °C
RS Stock No. 165-4945
Mfr. Part No.1N6279A-E3/54
BrandVishay
€0.278
Each (On a Tape of 1400)
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. 543-8422
Mfr. Part No.P6KE20CA
€0.304
Each (In a Pack of 5)
units
Single Bi-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 165-7396
Mfr. Part No.SMBJ13A-TR
€0.086
Each (On a Reel of 2500)
units
Single Uni-Directional 27.2V 14.4V 147A Surface Mount DO-214AA (SMB) 13V 200nA 2 600W - 1 -55 °C
RS Stock No. 178-5064
Mfr. Part No.BZW04-13B
€0.172
Each (On a Reel of 1000)
units
Single Bi-Directional 27.2V 14.3V 85A Through Hole DO-15 12.8V 5µA 2 400W - 1 -65 °C
RS Stock No. 168-5058
Mfr. Part No.TPD4E02B04DQAR
€0.215
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. 818-4402
Mfr. Part No.VBUS05L1-DD1-G-08
BrandVishay
€0.226
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. 509-368
Mfr. Part No.PESD5V0S2UAT,215
BrandNexperia
€0.036
Each (In a Pack of 20)
units
Common Cathode Uni-Directional 20V 6.4V 15A Surface Mount SOT-23 (TO-236AB) 5V 1µA 3 260W Yes 2 -65 °C
RS Stock No. 699-7953
Mfr. Part No.5KP33A-E3/54
BrandVishay
€1.698
Each (In a Pack of 5)
units
Single Uni-Directional 53.3V 36.7V 93.8A Through Hole P600 33V 2µA 2 5000W Yes 1 -55 °C
RS Stock No. 714-7049
Mfr. Part No.BZW50-56
€0.79
Each (In a Pack of 2)
units
Single Uni-Directional 129V 62.2V 465A Through Hole R 6 56V 5µA 2 5000W - 1 -65 °C
RS Stock No. 146-2259
Mfr. Part No.SMAJ12A R3
€0.083
Each (On a Reel of 1800)
units
Single Uni-Directional 19.9V 13.3V 20.1A Surface Mount DO-214AC (SMA) 12V 5µA 2 - Yes 1 -55 °C
RS Stock No. 165-2518
Mfr. Part No.SMCJ5.0CA-E3/57T
BrandVishay
€0.248
Each (On a Reel of 850)
units
Single Bi-Directional 9.2V 6.4V 163A Surface Mount SMC 5V 1mA 2 1500W - 1 -55 °C
RS Stock No. 628-8802
Mfr. Part No.SMCJ5.0CA-E3/57T
BrandVishay
€0.55
Each (In a Pack of 5)
units
Single Bi-Directional 9.2V 6.4V 163A Surface Mount SMC 5V 1mA 2 1500W - 1 -55 °C
RS Stock No. 162-9328
Mfr. Part No.ESD9P5.0ST5G
€0.054
Each (On a Reel of 8000)
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. 165-9860
Mfr. Part No.SMCJ350CA
BrandLittelfuse
€0.323
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
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