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. 543-8696
Mfr. Part No.P6KE51A
R 5.082
Each (In a Pack of 5)
units
Single Uni-Directional 70.1V 48.5V 8.6A Through Hole DO-15 43.6V 5µA 2 600W - 1 -65 °C
RS stock no. 166-2575
Mfr. Part No.P6KE51A
R 2.878
Each (On a Reel of 4000)
units
Single Uni-Directional 70.1V 48.5V 8.6A Through Hole DO-15 43.6V 5µA 2 600W - 1 -65 °C
RS stock no. 485-9474
Mfr. Part No.SMBJ12CA
R 3.806
Each (In a Pack of 10)
units
Single Bi-Directional 19.9V 13.3V 30.2A Surface Mount DO-214AA (SMB) 12V 5µA 2 600W - 1 -55 °C
RS stock no. 169-8519
Mfr. Part No.SMBJ12CA
R 1.595
Each (On a Reel of 3000)
units
Single Bi-Directional 19.9V 13.3V 30.2A Surface Mount DO-214AA (SMB) 12V 5µA 2 600W - 1 -55 °C
RS stock no. 808-0322
Mfr. Part No.SMCJ30CA
R 8.868
Each (In a Pack of 20)
units
Single Bi-Directional 48.4V 33.3V 31A Surface Mount DO-214AB (SMC) 30V 5µA 2 1500W - 1 -
RS stock no. 166-2279
Mfr. Part No.SMCJ30CA
R 3.18
Each (On a Reel of 3000)
units
Single Bi-Directional 48.4V 33.3V 31A Surface Mount DO-214AB (SMC) 30V 1µA 2 1500W - 1 -65 °C
RS stock no. 166-2280
Mfr. Part No.SMCJ28A
R 3.076
Each (On a Reel of 3000)
units
Single Uni-Directional 45.4V 31.1V 33A Surface Mount DO-214AB (SMC) 28V 5µA 2 1500W - 1 -
RS stock no. 786-2987
Mfr. Part No.MSQA6V1W5T2G
R 0.624
Each (In a Pack of 50)
units
Common Anode Uni-Directional - 6.1V - Surface Mount SOT-353 (SC-70) 3V 1µA 5 150W Yes 4 -55 °C
RS stock no. 162-9452
Mfr. Part No.MSQA6V1W5T2G
R 0.617
Each (On a Reel of 3000)
units
Common Anode Uni-Directional - 6.1V - Surface Mount SOT-353 (SC-70) 3V 1µA 5 150W Yes 4 -55 °C
RS stock no. 808-0329
Mfr. Part No.SMCJ28A
R 8.477
Each (In a Pack of 20)
units
Single Uni-Directional 45.4V 31.1V 33A Surface Mount DO-214AB (SMC) 28V 5µA 2 1500W - 1 -
RS stock no. 805-2989
Mfr. Part No.NUP2114UCMR6T1G
R 2.753
Each (On a Tape of 50)
units
Complex Array Uni-Directional 10V 5.5V 12A Surface Mount TSOP 5V 1µA 6 - Yes 3 -40 °C
RS stock no. 162-9227
Mfr. Part No.NUP2114UCMR6T1G
R 2.044
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 10V 5.5V 12A Surface Mount TSOP 5V 1µA 6 - Yes 3 -40 °C
RS stock no. 773-7670
Mfr. Part No.LC03-6R2G
R 14.92
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. 166-2282
Mfr. Part No.SMCJ36A
R 3.897
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. 808-0335
Mfr. Part No.SMCJ36A
R 9.017
Each (In a Pack of 20)
units
Single Uni-Directional 58.1V 40V 25.8A Surface Mount DO-214AB (SMC) 36V 5µA 2 1500W - 1 -
RS stock no. 122-0133
Mfr. Part No.LC03-6R2G
R 5.985
Each (On a Reel of 2500)
units
Complex Array Bi-Directional 20V 6.8V 100A Surface Mount SOIC 5V 20µA 8 2000W Yes 5 -55 °C
RS stock no. 543-8602
Mfr. Part No.P6KE20A
R 5.142
Each (In a Pack of 5)
units
Single Uni-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS stock no. 761-3732
Mfr. Part No.SMBJ15A
R 3.449
Each (In a Pack of 25)
units
Single Uni-Directional 24.4V 16.7V 24.6A Surface Mount DO-214AA (SMB) 15V 5µA 2 600W - 1 -55 °C
RS stock no. 166-1776
Mfr. Part No.P6KE20A
R 2.903
Each (On a Reel of 4000)
units
Single Uni-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS stock no. 781-5534
Mfr. Part No.SZMMBZ6V2ALT1G
R 0.336
Each (In a Pack of 50)
units
Common Anode Uni-Directional 8.7V 5.89V 2.7A Surface Mount SOT-23 47V 500nA 3 24W Yes 2 -55 °C