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. 628-8363
Mfr. Part No.SMBJ7.5CA-E3/52
BrandVishay
€0.264
Each (In a Pack of 5)
units
Single Bi-Directional 12.9V 8.33V 46.5A Surface Mount DO-214AA (SMB) 7.5V 200µA 2 600W - 1 -55 °C
RS Stock No. 165-7406
Mfr. Part No.SMBJ30CA-TR
€0.086
Each (On a Reel of 2500)
units
Single Bi-Directional 64.3V 33.3V 62A Surface Mount DO-214AA (SMB) 30V 200nA 2 600W - 1 -55 °C
RS Stock No. 919-0290
Mfr. Part No.SMAJ5.0A-E3/5A
BrandVishay
€0.072
Each (On a Reel of 7500)
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. 169-8717
Mfr. Part No.P6KE18CA
€0.182
Each (On a Reel of 4000)
units
Single Bi-Directional 25.2V 17.1V 24A Through Hole DO-15 15.3V 5µA 2 600W - 1 -
RS Stock No. 709-9066
Mfr. Part No.TPD4E001DRLR
€0.67
Each (In a Pack of 5)
units
Complex Array - - - - Surface Mount SOT-553 - - 6 - - 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. 146-0959
Mfr. Part No.SD12-7
€0.052
Each (On a Reel of 3000)
units
Single Uni-Directional 25V 13.3V 15A Surface Mount SOD-323 12V 1µA 2 350W Yes 1 -55 °C
RS Stock No. 806-2028
Mfr. Part No.SMBJ30CA
€0.338
Each (On a Tape of 50)
units
Single Bi-Directional 48.4V 33.3V 12.4A Surface Mount DO-214AA (SMB) 30V 5µA 2 600W - 1 -55 °C
RS Stock No. 168-8875
Mfr. Part No.RBO40-40G-TR
€1.322
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. 808-0350
Mfr. Part No.SMCJ51A
€0.464
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. 764-5543
Mfr. Part No.SMAJ24A
BrandLittelfuse
€0.29
Each (In a Pack of 25)
units
Single Uni-Directional 38.9V 26.7V 10.3A Surface Mount DO-214AC (SMA) 24V 1µA 2 400W - 1 -65 °C
RS Stock No. 166-0110
Mfr. Part No.SP3012-04UTG
BrandLittelfuse
€0.259
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. 165-3033
Mfr. Part No.CDNBS08-PLC03-6
BrandBourns
€0.901
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. 166-1408
Mfr. Part No.PESD5V0S2UAT,215
BrandNexperia
€0.063
Each (On a Reel of 3000)
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. 165-2293
Mfr. Part No.P6KE15CA-E3/54
BrandVishay
€0.194
Each (On a Reel of 4000)
units
Single Bi-Directional 21.2V 14.3V 28.3A Through Hole DO-15 12.8V 1µA 2 600W - 1 -55 °C
RS Stock No. 919-6352
Mfr. Part No.RBO40-40G
€1.949
Each (In a Tube of 50)
units
- - 40V 24V 20 A, 37.5 A Surface Mount D2PAK (TO-263) - - 3 - - - -40 °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. 710-3484
Mfr. Part No.SMAJ5.0A-E3/5A
BrandVishay
€0.253
Each (In a Pack of 10)
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. 903-5503
Mfr. Part No.1.5KE15CA
€0.09
Each (On a Tape of 1200)
units
Single Bi-Directional 21.2V 14.3V 71A Through Hole DO-201 12.8V 5µA 2 1500W - 1 -55 °C
RS Stock No. 714-7049
Mfr. Part No.BZW50-56
€2.475
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
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