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. 806-1961
Mfr. Part No.P6KE18CA
€0.273
Each (In a Pack of 20)
units
Single Bi-Directional 25.2V 17.1V 24A Through Hole DO-15 15.3V 5µA 2 600W - 1 -
RS Stock No. 166-1408
Mfr. Part No.PESD5V0S2UAT,215
BrandNexperia
€0.063
Each (On a Reel of 3000)
units
Common Cathode Uni-Directional 20V 6.4V 15A Surface Mount SOT-23 (TO-236AB) 5V 1µA 3 260W Yes 2 -65 °C
RS Stock No. 714-7018
Mfr. Part No.BZW50-12B
€2.475
Each (In a Pack of 2)
units
Single Bi-Directional 28V 13.3V 2143A Through Hole R 6 12V 5µA 2 5000W - 1 -65 °C
RS Stock No. 166-1980
Mfr. Part No.SMBJ30CA
€0.086
Each (On a Reel of 3000)
units
Single Bi-Directional 48.4V 33.3V 12.4A Surface Mount DO-214AA (SMB) 30V 1µA 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. 773-4577
Mfr. Part No.CDSOT23-SRV05-4
BrandBourns
€0.752
Each (In a Pack of 10)
units
Complex Array Uni-Directional 15V 6V 30A Surface Mount SOT-23 5V 5µA 6 500W Yes 4 -55 °C
RS Stock No. 802-2364
Mfr. Part No.SMBJ6V0CA
€0.376
Each (On a Tape of 50)
units
Single Bi-Directional 10.3V 6.67V 58.3A Surface Mount DO-214AA (SMB) 6V 800µA 2 600W - 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. 168-5058
Mfr. Part No.TPD4E02B04DQAR
€0.24
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. 165-2293
Mfr. Part No.P6KE15CA-E3/54
BrandVishay
€0.194
Each (On a Reel of 4000)
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. 122-1236
Mfr. Part No.SMCJ54A-13-F
€0.27
Each (On a Reel of 3000)
units
Single Uni-Directional 87.1V 60V 17.2A Surface Mount SMC 54V 5µA 2 1500W - 1 -55 °C
RS Stock No. 518-0779
Mfr. Part No.SMCJ28A-E3/57T
BrandVishay
€0.429
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. 146-0658
Mfr. Part No.CDSOT23-SRV05-4
BrandBourns
€0.401
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 15V 6V 30A Surface Mount SOT-23 5V 5µA 6 500W Yes 4 -55 °C
RS Stock No. 714-7260
Mfr. Part No.SMCJ5.0CA-TR
€0.432
Each (In a Pack of 20)
units
Single Bi-Directional 13.4V 6.4V 746A Surface Mount DO-214AB (SMC) 5V 500µA 2 1500W - 1 -55 °C
RS Stock No. 714-6951
Mfr. Part No.BZW04-13B
€0.365
Each (In a Pack of 20)
units
Single Bi-Directional 27.2V 14.3V 85A Through Hole DO-15 12.8V 5µA 2 400W - 1 -65 °C
RS Stock No. 773-4558
Mfr. Part No.CDNBS08-PLC03-6
BrandBourns
€0.924
Each (In a Pack of 5)
units
Complex Array Uni-Directional 20V 6.8V 100A Surface Mount SOIC 6V 25µA 8 2000W Yes 5 -55 °C
RS Stock No. 687-3116
Mfr. Part No.SMAJ12A R3
€0.30
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. 166-2290
Mfr. Part No.SMCJ51A
€0.202
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. 638-7763
Mfr. Part No.5KP24A-E3/54
BrandVishay
€2.058
Each (In a Pack of 5)
units
Single Uni-Directional 38.9V 26.7V 129A Through Hole P600 24V 2µA 2 5000W - 1 -55 °C
RS Stock No. 687-3841
Mfr. Part No.P6KE16CA R0
€0.773
Each (In a Pack of 20)
units
Single Bi-Directional 22.5V 15.2V 28A Through Hole DO-15 13.6V 1µA 2 600W - 1 -55 °C
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