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. 166-1911
Mfr. Part No.SMBJ5V0CA
TWD6.30
Each (On a Reel of 3000)
units
Single Bi-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 168-7302
Mfr. Part No.SM15T75CAY
TWD12.20
Each (On a Reel of 2500)
units
Single Bi-Directional 134V 71.3V Surface Mount DO-214AB (SMC) 64V 2 1500W 75A - 1 -40 °C +150 °C
RS Stock No. 165-4904
Mfr. Part No.1.5KE170CA-E3/54
BrandVishay
TWD19.00
Each (On a Tape of 1400)
units
Single Bi-Directional 234V 162V Through Hole 1.5KE 145V 2 1500W 6.4A Yes 1 -55 °C +175 °C
RS Stock No. 168-7263
Mfr. Part No.SM15T18AY
TWD11.70
Each (On a Reel of 2500)
units
Single Uni-Directional 32.5V 17.1V Surface Mount DO-214AB (SMC) 15.3V 2 1500W 308A - 1 -40 °C +150 °C
RS Stock No. 178-7456
Mfr. Part No.ITA25B1RL
TWD62.20
Each (On a Reel of 2500)
units
Common Cathode Bi-Directional 38V 25V Surface Mount SOIC 24V 8 300W 25A Yes 6 - +125 °C
RS Stock No. 509-251
Mfr. Part No.PESD3V3S4UD,115
BrandNexperia
TWD10.50
Each (In a Pack of 20)
units
Common Anode Uni-Directional 12V 5.3V Surface Mount TSOP 3.3V 6 200W 20A Yes 4 -65 °C +150 °C
RS Stock No. 825-5312
Mfr. Part No.TPD1E6B06DPLR
TWD10.50
Each (In a Pack of 20)
units
Single Bi-Directional 14V 6V Surface Mount X2SON 5V 2 50W 3.8A Yes 1 -40 °C +125 °C
RS Stock No. 903-5698
Mfr. Part No.P6KE33CA
TWD1.60
Each (On a Tape of 3000)
units
Single Bi-Directional 45.7V 31.4V Through Hole DO-15 28.2V 2 600W 13.2A - 1 -55 °C +150 °C
RS Stock No. 165-7403
Mfr. Part No.SMBJ26A-TR
TWD3.30
Each (On a Reel of 2500)
units
Single Uni-Directional 53.5V 28.9V Surface Mount DO-214AA (SMB) 26V 2 600W 75A - 1 -55 °C +150 °C
RS Stock No. 166-1902
Mfr. Part No.SMBJ17CA
TWD4.90
Each (On a Reel of 3000)
units
Single Bi-Directional 27.6V 18.9V Surface Mount DO-214AA (SMB) 17V 2 600W 21.7A - 1 -55 °C +150 °C
RS Stock No. 814-1421
Mfr. Part No.SMAJ7.5A-E3/61
BrandVishay
TWD10.50
Each (In a Pack of 20)
units
Single Uni-Directional 12.9V 8.33V Surface Mount DO-214AC (SMA) 7.5V 2 400W 31A - 1 -55 °C +150 °C
RS Stock No. 631-1299
Mfr. Part No.SMCJ70CA-E3/57T
BrandVishay
TWD18.40
Each (In a Pack of 20)
units
Single Bi-Directional 113V 77.8V Surface Mount SMC 70V 2 1500W 13.3A - 1 -55 °C +150 °C
RS Stock No. 903-5963
Mfr. Part No.SMBJ30CA
TWD2.30
Each (On a Reel of 3000)
units
Single Bi-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 486-4139
Mfr. Part No.1.5KE100CA
TWD22.60
Each (In a Pack of 5)
units
Single Bi-Directional 178V 95V Through Hole DO-201 85.5V 2 1500W 56A - 1 -65 °C +175 °C
RS Stock No. 185-9119
Mfr. Part No.NUP4114UPXV6T2G
TWD21.30
Each (In a Pack of 15)
units
Single Uni-Directional 10V 5.5V Surface Mount SOT-563 - 6 - 12A Yes 1 -40 °C +125 °C
RS Stock No. 180-8003
Mfr. Part No.SMBJ7.0CA-E3/52
BrandVishay
TWD11.10
Each (In a Pack of 25)
units
- - - - - - - - - - - - - -
RS Stock No. 165-8808
Mfr. Part No.3.0SMCJ30A-13
TWD23.00
Each (On a Reel of 3000)
units
Single Uni-Directional 48.4V 33.3V Surface Mount SMC 30V 2 3000W 62A - 1 -55 °C +175 °C
RS Stock No. 921-0981
Mfr. Part No.D5V0F1U2S9-7
TWD9.90
Each (In a Pack of 30)
units
Single Uni-Directional 12V 6V Surface Mount SOD-923 5.5V 2 0.25W 1.5A Yes 3 -65 °C +150 °C
RS Stock No. 166-1399
Mfr. Part No.PESD24VS2UAT,215
BrandNexperia
TWD3.50
Each (On a Reel of 3000)
units
Common Cathode Uni-Directional 70V 26.5V Surface Mount SOT-23 (TO-236AB) 24V 3 160W 3A Yes 2 -65 °C +150 °C
New
RS Stock No. 192-3877
Mfr. Part No.SMA6F12A
TWD3.90
Each (On a Reel of 10000)
units
Single Uni-Directional 19.9 V, 25.3 V 13.3V Surface Mount SMA Flat 12V 2 600W 31 A, 157 A Yes 1 -55 °C +175 °C