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 Mounting Type Package Type Maximum Reverse Stand-off Voltage Pin Count Peak Pulse Power Dissipation Maximum Peak Pulse Current ESD Protection Number of Elements per Chip Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 790-4561
Mfr. Part No.D20V0L1B2WS-7
TWD4.10
Each (In a Pack of 100)
units
Single Bi-Directional 30V 21V Surface Mount SOD-323 20V 2 90W 3A Yes 1 -65 °C +150 °C
RS Stock No. 791-9052
Mfr. Part No.PTVS5V0P1UP,115
BrandNexperia
TWD10.70
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V Surface Mount SOD-128 5V 2 600W 62A Yes 1 -55 °C +150 °C
RS Stock No. 791-9030
Mfr. Part No.PTVS3V3P1UP,115
BrandNexperia
TWD9.80
Each (In a Pack of 25)
units
Single Uni-Directional 8V 5.2V Surface Mount SOD-128 3.3V 2 600W 75A Yes 1 -55 °C +150 °C
RS Stock No. 166-1116
Mfr. Part No.ESD101B102ELSE6327XTSA1
BrandInfineon
TWD2.10
Each (On a Reel of 15000)
units
Single Bi-Directional 30V - Surface Mount TSLP - 2 30W - Yes 1 -55 °C +125 °C
RS Stock No. 687-3205
Mfr. Part No.SMAJ22CA R3
TWD3.90
Each (In a Pack of 20)
units
Single Bi-Directional 35.5V 24.4V Surface Mount DO-214AC (SMA) 22V 2 - 11.3A Yes 1 -55 °C +150 °C
RS Stock No. 710-3478
Mfr. Part No.SMAJ36CA-E3/61
BrandVishay
TWD8.90
Each (In a Pack of 25)
units
Single Bi-Directional 58.1V 40V Surface Mount DO-214AC (SMA) 36V 2 400W 6.9A - 1 -55 °C +150 °C
RS Stock No. 691-0811
Mfr. Part No.SM712.TCT
BrandSemtech
TWD63.40
Each (In a Pack of 5)
units
Series Bi-Directional 26V 13.3V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +125 °C
RS Stock No. 486-4331
Mfr. Part No.1.5KE36A
TWD18.20
Each (In a Pack of 10)
units
Single Uni-Directional 64.3V 34.2V Through Hole DO-201 30.8V 2 1500W 156A - 1 -65 °C +175 °C
RS Stock No. 146-0656
Mfr. Part No.CDNBS08-SRDA3.3-4
BrandBourns
TWD27.90
Each (On a Reel of 2500)
units
Complex Array Uni-Directional 10.9V 4V Surface Mount SOIC 3.3V 8 500W 43A Yes 9 -55 °C +150 °C
RS Stock No. 918-9540
Mfr. Part No.P6KE6.8CA-E3/54
BrandVishay
TWD6.40
Each (On a Reel of 4000)
units
Single Bi-Directional 10.5V 6.45V Through Hole DO-15 5.8V 2 600W 57.1A - 1 -55 °C +175 °C
RS Stock No. 463-268
Mfr. Part No.MMBZ27VALT1G
TWD2.20
Each (In a Pack of 100)
units
Common Anode Uni-Directional 40V 25.65V Surface Mount SOT-23 22V 3 40W 1A Yes 2 -55 °C +150 °C
RS Stock No. 691-0795
Mfr. Part No.SLVU2.8-4.TBT
BrandSemtech
TWD138.00
Each (In a Pack of 2)
units
Isolated Uni-Directional 15V - Surface Mount SOIC 2.8V 8 400W 24A Yes 4 -55 °C +125 °C
RS Stock No. 166-3168
Mfr. Part No.SMCJ12A
TWD10.20
Each (On a Reel of 3000)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AB (SMC) 12V 2 1500W 75.3A - 1 - +150 °C
RS Stock No. 166-3003
Mfr. Part No.SMBJ16CA
TWD4.20
Each (On a Reel of 3000)
units
Single Bi-Directional 26V 17.8V Surface Mount DO-214AA (SMB) 16V 2 600W 23.1A - 1 -55 °C +150 °C
RS Stock No. 146-0603
Mfr. Part No.SM712.TCT
BrandSemtech
TWD26.90
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 13.3V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +125 °C
RS Stock No. 463-802
Mfr. Part No.MMBZ5V6ALT1G
TWD2.10
Each (In a Pack of 100)
units
Common Anode Uni-Directional 8V 5.32V Surface Mount SOT-23 3V 3 24W 3A Yes 2 -55 °C +150 °C
RS Stock No. 816-6741
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
TWD10.10
Each (In a Pack of 50)
units
Single Uni-Directional - 4.5V Surface Mount SOD-323 3.3V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 145-2084
Mfr. Part No.GSOT03-E3-08
BrandVishay
TWD2.70
Each (On a Reel of 3000)
units
Single Uni-Directional 7.5V 4V Surface Mount SOT-23 3.3V 3 369W 30A Yes 1 -40 °C +125 °C
RS Stock No. 168-7998
Mfr. Part No.ESDALC5-1BT2
TWD4.80
Each (On a Reel of 12000)
units
Single Bi-Directional 17.5V 5.8V Surface Mount SOD-882T 5V 2 150W 9A Yes 1 -55 °C +150 °C
RS Stock No. 486-4785
Mfr. Part No.SM15T200A
TWD27.60
Each (In a Pack of 5)
units
Single Uni-Directional 353V 190V Surface Mount SMC 171V 2 1500W 28A - 1 -55 °C +150 °C