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. 661-3390
Mfr. Part No.TPD2E001DRLR
R 7.068
Each (In a Pack of 10)
units
Complex Array Uni-Directional 100V 11V - Surface Mount SOT-553 5.5V - 5 - - 2 -40 °C
RS stock no. 921-1199
Mfr. Part No.DT1446-04TS-7
R 1.441
Each (In a Pack of 50)
units
Array Uni-Directional 8.5V 6V 4.7A Surface Mount TSOT-26 5V 5µA 6 0.3W Yes 10 -55 °C
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. 166-2279
Mfr. Part No.SMCJ30CA
R 3.544
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. 919-6438
Mfr. Part No.BZW50-47B
R 31.209
Each (In a Bag of 100)
units
Single Bi-Directional 108V 52V 556A Through Hole R 6 47V 5µA 2 5000W - 1 -65 °C
RS stock no. 918-9382
Mfr. Part No.1.5KE47CA-E3/54
BrandVishay
R 7.496
Each (On a Reel of 1400)
units
Single Bi-Directional 64.8V 44.7V 23.1A Through Hole 1.5KE 40.2V 1µA 2 1500W - 1 -55 °C
RS stock no. 145-2084
Mfr. Part No.GSOT03-E3-08
BrandVishay
R 1.032
Each (On a Reel of 3000)
units
Single Uni-Directional 7.5V 4V 30A Surface Mount SOT-23 3.3V 100µA 3 369W Yes 1 -40 °C
RS stock no. 486-4319
Mfr. Part No.1.5KE33CA
R 10.274
Each (In a Pack of 5)
units
Single Bi-Directional 59V 31.4V 169A Through Hole DO-201 28.2V 1µA 2 1500W - 1 -65 °C
RS stock no. 162-9227
Mfr. Part No.NUP2114UCMR6T1G
R 1.867
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. 691-0638
Mfr. Part No.ECLAMP2410P.TCT
BrandSemtech
R 23.348
Each (In a Pack of 5)
units
Complex Array Bi-Directional - 6V - Surface Mount SLP EP 5V 500nA 16 - Yes 6 -40 °C
RS stock no. 165-9825
Mfr. Part No.SRV05-4HTG
BrandLittelfuse
R 6.404
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 15V - 8A Surface Mount SOT-23 6V 500nA 6 150W Yes 4 -40 °C
RS stock no. 791-9138
Mfr. Part No.ESDAXLC6-1BT2
R 1.661
Each (In a Pack of 100)
units
Single Bi-Directional 17V 6V 1.3A Surface Mount SOD-882 3V 70nA 2 40W Yes 1 -40 °C
RS stock no. 166-2280
Mfr. Part No.SMCJ28A
R 3.73
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. 919-6383
Mfr. Part No.1.5KE33CA
R 6.383
Each (In a Bag of 600)
units
Single Bi-Directional 59V 31.4V 169A Through Hole DO-201 28.2V 1µA 2 1500W - 1 -65 °C
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. 808-0329
Mfr. Part No.SMCJ28A
R 8.183
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. 919-6393
Mfr. Part No.1.5KE400CA
R 9.555
Each (In a Bag of 600)
units
Single Bi-Directional 706V 380V 14A Through Hole DO-201 342V 1µA 2 1500W - 1 -65 °C
RS stock no. 170-9046
Mfr. Part No.DT1446-04TS-7
R 1.445
Each (On a Reel of 3000)
units
Array Uni-Directional 8.5V 6V 4.7A Surface Mount TSOT-26 5V 5µA 6 0.3W Yes 10 -55 °C
RS stock no. 124-2384
Mfr. Part No.PESD5V0X1BT,215
BrandNexperia
R 0.912
Each (On a Reel of 3000)
units
Common Anode Bi-Directional - 5.8V - Surface Mount SOT-23 5V 100nA 3 - Yes 2 -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