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. 165-8324
Mfr. Part No.D26V0H1U2LP20-7
kr 0,587
Each (On a Reel of 3000)
Units
Single Uni-Directional 40V 28V 9.5A Surface Mount U-DFN2020 26V 100nA 2 300W Yes 1 -65 °C
RS Stock No. 485-9474
Mfr. Part No.SMBJ12CA
kr 3,22
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. 921-0098
Mfr. Part No.RCLAMP0504PATCT
BrandSemtech
kr 4,344
Each (In a Pack of 10)
Units
Single Uni-Directional 25V 6V 6A Surface Mount SLP1616P6 5V 3µA 6 150W Yes 9 -55 °C
RS Stock No. 903-5793
Mfr. Part No.SMAJ17CA
kr 0,502
Each (On a Reel of 5000)
Units
Single Bi-Directional 27.6V 18.9V 14.5A Surface Mount DO-214AC (SMA) 17V 5µA 2 400W - 1 -55 °C
RS Stock No. 786-4719
Mfr. Part No.SZP6SMB62CAT3G
BrandLittelfuse
kr 5,264
Each (In a Pack of 10)
Units
Single Bi-Directional 85V 58.9V 7.1A Surface Mount DO-214AA (SMB) 53V 5µA 2 600W Yes 1 -65 °C
RS Stock No. 754-6253
Mfr. Part No.82402374
kr 7,198
Each (In a Pack of 5)
Units
Common Anode Uni-Directional 6.8V 6V 6A Surface Mount SOT-353 (SC-70) 5V 2.5µA 5 - Yes 4 -55 °C
RS Stock No. 802-2409
Mfr. Part No.SMCJ11A
kr 4,048
Each (In a Pack of 20)
Units
Single Uni-Directional 18.2V 12.2V 82.4A Surface Mount DO-214AB (SMC) 11V 5µA 2 1500W - 1 -
RS Stock No. 714-7109
Mfr. Part No.SMAJ40CA-TR
kr 2,796
Each (In a Pack of 25)
Units
Single Bi-Directional 84V 44.4V 27A Surface Mount DO-214AC (SMA) 40V 200nA 2 400W Yes 1 -55 °C
RS Stock No. 714-7263
Mfr. Part No.SMCJ40CA-TR
kr 4,287
Each (In a Pack of 20)
Units
Single Bi-Directional 84V 44.4V 119A Surface Mount DO-214AB (SMC) 40V 200nA 2 1500W - 1 -55 °C
RS Stock No. 919-6440
Mfr. Part No.SM6T18CA
kr 1,397
Each (On a Reel of 2500)
Units
Single Bi-Directional 32.5V 17.1V 123A Surface Mount DO-214AA (SMB) 15.3V 200nA 2 600W - 1 -55 °C
RS Stock No. 168-6142
Mfr. Part No.P6KE18A
kr 1,505
Each (On a Tape of 1000)
Units
Single Uni-Directional 32.5V 17.1V 123A Through Hole DO-15 15.3V 1µA 2 600W - 1 -65 °C
RS Stock No. 180-7366
Mfr. Part No.SM5A27THE3/I
BrandVishay
kr 11,958
Each (On a Reel of 750)
Units
- - - - - - - - - - - - - -
RS Stock No. 903-5535
Mfr. Part No.1.5KE43CA
kr 0,866
Each (On a Tape of 1200)
Units
Single Bi-Directional 59.3V 40.9V 25.3A Through Hole DO-201 36.8V 5µA 2 1500W - 1 -55 °C
RS Stock No. 134-9514
Mfr. Part No.SZESD7410N2T5G
kr 0,70
Each (On a Reel of 8000)
Units
Single Bi-Directional 20V 10V 16A Surface Mount X2-DFN1006 - 1µA 2 0.3W Yes 1 -55 °C
RS Stock No. 171-8357
Mfr. Part No.NSPM5131MUTBG
kr 1,169
Each (On a Reel of 3000)
Units
Single Uni-Directional 21.5V 13.6V 100A Surface Mount UDFN - 1µA 6 - Yes 1 -55 °C
RS Stock No. 192-4258
Mfr. Part No.SMA6F12A
kr 2,09
Each (In a Pack of 25)
Units
Single Uni-Directional 19.9 V, 25.3 V 13.3V 31 A, 157 A Surface Mount SMA Flat 12V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 171-4170
Mfr. Part No.SMDJ15A
BrandLittelfuse
kr 3,014
Each (On a Reel of 3000)
Units
Single Uni-Directional 24.4V 16.7V 123A Surface Mount DO-214AB (SMC) 15V 2µA 2 3000W Yes 1 -65 °C
RS Stock No. 166-2928
Mfr. Part No.SMBJ28A
kr 0,883
Each (On a Reel of 3000)
Units
Single Uni-Directional 45.4V 31.1V 13.3A Surface Mount DO-214AA (SMB) 28V 1µA 2 600W - 1 -65 °C
RS Stock No. 921-7676
Mfr. Part No.824520241
kr 2,684
Each (In a Pack of 25)
Units
Single Uni-Directional 38.9V 28.1V 15.5A Surface Mount DO-214AA (SMB) - 1µA 2 600W - 1 -65 °C
RS Stock No. 174-2501
Mfr. Part No.SMAJ24CA
BrandBourns
kr 2,05
Each (In a Pack of 25)
Units
Single Bi-Directional - 26.7V - Surface Mount DO-214AC 495V 1µA 2 400W Yes 1 -55 °C
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