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. 919-6396
Mfr. Part No.1.5KE36CA
R 6.383
Each (In a Bag of 600)
units
Single Bi-Directional 64.3V 34.2V 156A Through Hole DO-201 30.8V 1µA 2 1500W - 1 -65 °C
RS stock no. 486-0604
Mfr. Part No.1.5KE200CA
R 17.838
Each (In a Pack of 5)
units
Single Bi-Directional 353V 190V 28A Through Hole DO-201 171V 1µA 2 1500W - 1 -65 °C
RS stock no. 795-7293
Mfr. Part No.SM4T68AY
R 10.432
Each (In a Pack of 25)
units
Single Uni-Directional 121V 64.4V 19A Surface Mount DO-214AC (SMA) 58V 1µA 2 400W - 1 -55 °C
RS stock no. 691-0773
Mfr. Part No.LCDA15C-8.TBT
BrandSemtech
R 93.74
Each
units
Isolated Bi-Directional 33V 16.7V 15A Surface Mount SOIC 15V 5µA 16 500W Yes 8 -55 °C
RS stock no. 166-3019
Mfr. Part No.SMBJ22CA
R 1.987
Each (On a Reel of 3000)
units
Single Bi-Directional 35.5V 24.4V 16.9A Surface Mount DO-214AA (SMB) 22V 5µA 2 600W - 1 -55 °C
RS stock no. 786-2713
Mfr. Part No.1SMB120AT3G
BrandLittelfuse
R 4.323
Each (In a Pack of 20)
units
Single Uni-Directional 193V 133V 3.1A Surface Mount DO-214AA (SMB) 120V 5µA 2 600W Yes 1 -65 °C
RS stock no. 165-2502
Mfr. Part No.SM6T6V8A-E3/52
BrandVishay
R 1.803
Each (On a Reel of 750)
units
Single Uni-Directional 13.4V 6.45V 298A Surface Mount DO-214AA (SMB) 5.8V 1mA 2 600W Yes 1 -65 °C
RS stock no. 815-2581
Mfr. Part No.ICTE5-E3/54
BrandVishay
R 9.683
Each (In a Pack of 10)
units
Single Uni-Directional 7.1V 6V 160A Through Hole 1.5KE 5V 300µA 2 1500W - 1 -55 °C
RS stock no. 486-0698
Mfr. Part No.1.5KE350CA
R 12.342
Each (In a Pack of 5)
units
Single Bi-Directional 618V 332V 16A Through Hole DO-201 299V 1µA 2 1500W - 1 -65 °C
RS stock no. 918-9341
Mfr. Part No.SA5.0A-E3/54
BrandVishay
R 4.223
Each (On a Reel of 4000)
units
Single Uni-Directional 9.2V 6.4V 54.3A Through Hole DO-15 5V 600µA 2 500W - 1 -55 °C
RS stock no. 885-5631
Mfr. Part No.SMBJ20A-13-F
R 0.836
Each (In a Pack of 50)
units
Single Uni-Directional 32.4V 22.2V 18.5A Surface Mount DO-214AA (SMB) 20V 5µA 2 600W - 1 -55 °C
RS stock no. 178-7422
Mfr. Part No.SMAJ6.5CA-TR
R 1.487
Each (On a Reel of 5000)
units
Single Bi-Directional 14.5V 7.2V 160A Surface Mount DO-214AC (SMA) 6.5V 50µA 2 400W - 1 -55 °C
RS stock no. 165-6805
Mfr. Part No.SMCJ33CA-TR
R 2.984
Each (On a Reel of 2500)
units
Single Bi-Directional 53.3V 36.7V 29A Surface Mount DO-214AB (SMC) 33V 1µA 2 1500W - 1 -55 °C
RS stock no. 811-6204
Mfr. Part No.5KP160A-E3/54
BrandVishay
R 29.55
Each (In a Pack of 5)
units
Single Uni-Directional 259V 178V 19.3A Through Hole P600 160V 2µA 2 5000W - 1 -55 °C
RS stock no. 168-6266
Mfr. Part No.SM15T6V8CA
R 2.09
Each (On a Reel of 2500)
units
Single Bi-Directional 13.4V 6.45V 746A Surface Mount SMC 5.8V 500µA 2 1500W - 1 -55 °C
RS stock no. 486-4347
Mfr. Part No.1.5KE36CA
R 11.572
Each (In a Pack of 5)
units
Single Bi-Directional 64.3V 34.2V 156A Through Hole DO-201 30.8V 1µA 2 1500W - 1 -65 °C
RS stock no. 903-5493
Mfr. Part No.1.5KE6.8CA
R 1.497
Each (On a Tape of 1200)
units
Single Bi-Directional 10.5V 6.45V 143A Through Hole DO-201 5.8V 1mA 2 1500W - 1 -55 °C
RS stock no. 829-0337
Mfr. Part No.ESDCAN24-2BLY
R 4.47
Each (In a Pack of 25)
units
Series Bi-Directional 40V 27V 5.5A Surface Mount SOT-23 24V 100nA 3 230W Yes 2 -40 °C
RS stock no. 178-7416
Mfr. Part No.SMAJ5.0A-TR
R 1.487
Each (On a Reel of 5000)
units
Single Uni-Directional 13.4V 6.4V 174A Surface Mount DO-214AC (SMA) 5V 20µA 2 400W Yes 1 -55 °C
RS stock no. 165-6810
Mfr. Part No.SMBJ24A-TR
R 1.602
Each (On a Reel of 2500)
units
Single Uni-Directional 50V 26.7V 80A Surface Mount DO-214AA (SMB) 24V 1µA 2 600W - 1 -55 °C