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. 691-0767
Mfr. Part No.LCDA12C-8.TBT
BrandSemtech
R 93.74
Each
units
Isolated Bi-Directional 26.6V 13.3V 20A Surface Mount SOIC 12V 5µA 16 500W Yes 8 -55 °C
RS stock no. 168-6198
Mfr. Part No.SM15T6V8A
R 4.898
Each (On a Reel of 2500)
units
Single Uni-Directional 13.4V 6.45V 746A Surface Mount SMC 5.8V 500µA 2 1500W - 1 -55 °C
RS stock no. 166-2282
Mfr. Part No.SMCJ36A
R 3.916
Each (On a Reel of 3000)
units
Single Uni-Directional 58.1V 40V 25.8A Surface Mount DO-214AB (SMC) 36V 5µA 2 1500W - 1 -
RS stock no. 486-1281
Mfr. Part No.SM15T6V8A
R 11.812
Each (In a Pack of 5)
units
Single Uni-Directional 13.4V 6.45V 746A Surface Mount SMC 5.8V 500µA 2 1500W - 1 -55 °C
RS stock no. 178-7387
Mfr. Part No.SMBJ30A-TR
R 1.488
Each (On a Reel of 2500)
units
Single Uni-Directional 64.3V 33.3V 62A Surface Mount DO-214AA (SMB) 30V 200nA 2 600W - 1 -55 °C
RS stock no. 773-7670
Mfr. Part No.LC03-6R2G
R 15.298
Each (In a Pack of 5)
units
Complex Array Bi-Directional 20V 6.8V 100A Surface Mount SOIC 5V 20µA 8 2000W Yes 5 -55 °C
RS stock no. 110-7752
Mfr. Part No.ESD112B102ELE6327XTMA1
BrandInfineon
R 1.875
Each (In a Pack of 100)
units
Single Bi-Directional 44V 7V 3A Surface Mount TSLP - 50nA 2 - Yes 1 -55 °C
RS stock no. 168-5058
Mfr. Part No.TPD4E02B04DQAR
R 4.052
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. 168-6333
Mfr. Part No.SM15T18CA
R 4.913
Each (On a Reel of 2500)
units
Single Bi-Directional 32.5V 17.1V 308A Surface Mount SMC 15.3V 1µA 2 1500W - 1 -55 °C
RS stock no. 920-6260
Mfr. Part No.USBLC6-2P6
R 2.942
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V 5A Surface Mount SOT-666 5V 150nA 6 - Yes 2 -40 °C
RS stock no. 816-6776
Mfr. Part No.PESD5V0X1BT,215
BrandNexperia
R 0.932
Each (In a Pack of 50)
units
Common Anode Bi-Directional - 5.8V - Surface Mount SOT-23 5V 100nA 3 - Yes 2 -55 °C
RS stock no. 691-0883
Mfr. Part No.SRV05-4.TCT
BrandSemtech
R 17.346
Each (In a Pack of 5)
units
Single Uni-Directional 17.5V 6V 12A Surface Mount SOT-23 5V 5µA 6 300W Yes 1 -55 °C
RS stock no. 170-0823
Mfr. Part No.LCDA12C-8.TBT
BrandSemtech
R 58.257
Each (On a Reel of 500)
units
Isolated Bi-Directional 26.6V 13.3V 20A Surface Mount SOIC 12V 5µA 16 500W Yes 8 -55 °C
RS stock no. 793-1989
Mfr. Part No.SP720ABG
BrandLittelfuse
R 50.796
Each (In a Pack of 5)
units
Complex Array Uni-Directional - - 3A Surface Mount SOIC - - 16 - Yes 14 -40 °C
RS stock no. 795-7215
Mfr. Part No.SM4T6V7AY
R 6.718
Each (In a Pack of 25)
units
Single Uni-Directional 13.4V 6.4V 174A Surface Mount DO-214AC (SMA) 5V 50µA 2 400W - 1 -55 °C
RS stock no. 624-7687
Mfr. Part No.USBLC6-2P6
R 6.802
Each (In a Pack of 10)
units
Complex Array Uni-Directional 17V 6V 5A Surface Mount SOT-666 5V 150nA 6 - Yes 2 -40 °C
RS stock no. 508-967
Mfr. Part No.PESD24VL2BT,215
BrandNexperia
R 5.019
Each (In a Pack of 20)
units
Series Bi-Directional 70V 25.4V 3A Surface Mount SOT-23 (TO-236AB) 24V 50nA 3 200W Yes 2 -65 °C
RS stock no. 165-7173
Mfr. Part No.SMAJ60A-E3/61
BrandVishay
R 1.112
Each (On a Reel of 1800)
units
Single Uni-Directional 96.8V 66.7V 4.1A Surface Mount DO-214AC (SMA) 60V 1µA 2 400W - 1 -55 °C
RS stock no. 168-7171
Mfr. Part No.SM4T6V7AY
R 1.394
Each (On a Reel of 5000)
units
Single Uni-Directional 13.4V 6.4V 174A Surface Mount DO-214AC (SMA) 5V 50µA 2 400W - 1 -55 °C
RS stock no. 918-9385
Mfr. Part No.1.5KE160CA-E3/54
BrandVishay
R 7.501
Each (On a Reel of 1400)
units
Single Bi-Directional 219V 152V 6.8A Through Hole 1.5KE 136V 1µA 2 1500W - 1 -55 °C