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. 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. 919-6368
Mfr. Part No.1.5KE15CA
€0.302
Each (In a Bag of 600)
units
Single Bi-Directional 27.2V 14.3V 368A Through Hole DO-201 12.8V 1µA 2 1500W - 1 -65 °C
RS Stock No. 168-5742
Mfr. Part No.ESDA6V1BC6
€0.087
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. 162-3949
Mfr. Part No.824521451
€0.171
Each (On a Reel of 500)
units
Single Bi-Directional 72.7V 52.65V 8.3A Surface Mount DO-214AA (SMB) - 1µA 2 600W - 1 -65 °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. 166-2526
Mfr. Part No.P6KE200A
€0.151
Each (On a Reel of 4000)
units
Single Uni-Directional 274V 190V 2.2A Through Hole DO-15 171V 5µA 2 600W - 1 -65 °C
RS Stock No. 906-6905
Mfr. Part No.CPDU5V0U-HF
€0.108
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. 751-5095
Mfr. Part No.SMCJ54A-13-F
€0.297
Each (On a Tape of 10)
units
Single Uni-Directional 87.1V 60V 17.2A Surface Mount SMC 54V 5µA 2 1500W - 1 -55 °C
RS Stock No. 166-3014
Mfr. Part No.SMBJ12A
€0.075
Each (On a Reel of 3000)
units
Single Uni-Directional 19.9V 13.3V 30.2A Surface Mount DO-214AA (SMB) 12V 1µA 2 600W - 1 -65 °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. 793-1942
Mfr. Part No.SLVU2.8HTG
BrandLittelfuse
€1.00
Each (In a Pack of 5)
units
Single Uni-Directional 15V 3V 24A Surface Mount SOT-23 2.8V 1µA 3 600W Yes 1 -40 °C
RS Stock No. 166-2290
Mfr. Part No.SMCJ51A
€0.205
Each (On a Reel of 3000)
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
€0.18
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. 687-3116
Mfr. Part No.SMAJ12A R3
€0.138
Each (In a Pack of 25)
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. 699-7969
Mfr. Part No.P6KE15CA-E3/54
BrandVishay
€0.177
Each (In a Pack of 20)
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. 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. 877-2813
Mfr. Part No.RBO40-40G-TR
€2.77
Each (In a Pack of 5)
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. 806-2028
Mfr. Part No.SMBJ30CA
€0.214
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. 168-5058
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. 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
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