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. 714-7121
Mfr. Part No.SMAJ58CA-TR
MYR1.034
Each (In a Pack of 25)
units
Single Bi-Directional 121V 64.4V Surface Mount DO-214AC (SMA) 58V 2 400W 19A Yes 1 -55 °C +150 °C
RS Stock No. 178-7420
Mfr. Part No.SMAJ58CA-TR
MYR0.424
Each (On a Reel of 5000)
units
Single Bi-Directional 121V 64.4V Surface Mount DO-214AC (SMA) 58V 2 400W 19A Yes 1 -55 °C +150 °C
RS Stock No. 815-0992
Mfr. Part No.5KP40A-E3/54
BrandVishay
MYR7.30
Each (In a Pack of 5)
units
Single Uni-Directional 64.5V 44.4V Through Hole P600 40V 2 5000W 77.5A - 1 -55 °C +175 °C
RS Stock No. 165-6162
Mfr. Part No.5KP40A-E3/54
BrandVishay
MYR7.248
Each (On a Reel of 800)
units
Single Uni-Directional 64.5V 44.4V Through Hole P600 40V 2 5000W 77.5A - 1 -55 °C +175 °C
RS Stock No. 717-3477
Mfr. Part No.TBU-CA085-100-WH
BrandBourns
MYR5.962
Each (In a Pack of 5)
units
Single Bi-Directional 850V - Surface Mount DFN 20V 2 - 0.2A - 1 -55 °C +125 °C
RS Stock No. 509-964
Mfr. Part No.PESD15VS2UT,215
BrandNexperia
MYR0.956
Each (In a Pack of 20)
units
Common Anode Uni-Directional 40V 17.6V Surface Mount SOT-23 (TO-236AB) 15V 3 160W 5A Yes 2 -65 °C +150 °C
RS Stock No. 166-1438
Mfr. Part No.PESD15VS2UT,215
BrandNexperia
MYR0.409
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 40V 17.6V Surface Mount SOT-23 (TO-236AB) 15V 3 160W 5A Yes 2 -65 °C +150 °C
RS Stock No. 177-5425
Mfr. Part No.TBU-CA085-100-WH
BrandBourns
MYR3.858
Each (On a Reel of 3000)
units
Single Bi-Directional 850V - Surface Mount DFN 20V 2 - 0.2A - 1 -55 °C +125 °C
RS Stock No. 166-1782
Mfr. Part No.P6KE20CA
MYR1.027
Each (On a Reel of 4000)
units
Single Bi-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -65 °C +175 °C
RS Stock No. 169-6142
Mfr. Part No.SMBJ30A-E3/5B
BrandVishay
MYR0.696
Each (On a Reel of 3200)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 710-3525
Mfr. Part No.SMBJ30A-E3/5B
BrandVishay
MYR1.244
Each (In a Pack of 25)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 165-2477
Mfr. Part No.SMBJ30A-E3/52
BrandVishay
MYR0.709
Each (On a Reel of 750)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 543-8422
Mfr. Part No.P6KE20CA
MYR1.678
Each (In a Pack of 5)
units
Single Bi-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -65 °C +175 °C
RS Stock No. 509-009
Mfr. Part No.PESD5V0U1UT,215
BrandNexperia
MYR0.947
Each (In a Pack of 20)
units
Single Uni-Directional 21V 7V Surface Mount SOT-23 (TO-236AB) 5V 3 80W 5A Yes 1 -65 °C +150 °C
RS Stock No. 166-1414
Mfr. Part No.PESD5V0U1UT,215
BrandNexperia
MYR0.285
Each (On a Reel of 3000)
units
Single Uni-Directional 21V 7V Surface Mount SOT-23 (TO-236AB) 5V 3 80W 5A Yes 1 -65 °C +150 °C
RS Stock No. 229-762
Mfr. Part No.SMBJ30A-E3/52
BrandVishay
MYR1.118
Each (In a Pack of 5)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 628-7714
Mfr. Part No.SMCJ5.0A-E3/57T
BrandVishay
MYR3.72
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V Surface Mount SMC 5V 2 1500W 163A - 1 -55 °C +150 °C
RS Stock No. 791-9059
Mfr. Part No.PTVS60VS1UR,115
BrandNexperia
MYR0.872
Each (On a Tape of 30)
units
Single Uni-Directional 96.8V 66.7V Surface Mount SOD-123W 60V 2 400W 4.1A Yes 1 -55 °C +150 °C
RS Stock No. 166-0153
Mfr. Part No.PTVS60VS1UR,115
BrandNexperia
MYR0.47
Each (On a Reel of 3000)
units
Single Uni-Directional 96.8V 66.7V Surface Mount SOD-123W 60V 2 400W 4.1A Yes 1 -55 °C +150 °C
RS Stock No. 165-2515
Mfr. Part No.SMCJ5.0A-E3
BrandVishay
MYR1.546
Each (On a Reel of 850)
units
Single Uni-Directional 9.2V 6.4V Surface Mount SMC 5V 2 1500W 163A - 1 -55 °C +150 °C