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) and the effects of arcs, EFT, ESD, inductive load switching, and even lightning strikes. RS Components offer an extensive range of TVS diodes from a multitude of brands across the industry, including Bourns, Littelfuse, ON Semiconductor, STMicroelectronics, Taiwan Semiconductor, Vishay, and more.

TVS diodes are offered in both through-hole and surface mount packages and 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. You can learn more in our TVS diodes guide.

What are the benefits of using transient voltage suppressor diodes?

Transient voltage suppressors 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, EFT (electrical fast transients), the ESD (electrostatic discharge) created by data lines and electronic circuits, and even lightning strikes.

What 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 is the operating voltage that the data or power line should not exceed. Breakdown voltage 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 higher than the reverse standoff voltage.

Typical applications of TVS diodes

  • TVS diodes have numerous applications but are primarily used 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. 166-1438
Mfr. Part No.PESD15VS2UT,215
BrandNexperia
MYR1.79
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. 509-964
Mfr. Part No.PESD15VS2UT,215
BrandNexperia
MYR1.208
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. 509-009
Mfr. Part No.PESD5V0U1UT,215
BrandNexperia
MYR0.995
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
$2.274
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. 791-9059
Mfr. Part No.PTVS60VS1UR,115
BrandNexperia
$5.48
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. 791-8961
Mfr. Part No.PTVS10VS1UR,115
BrandNexperia
MYR1.208
Each (In a Pack of 30)
units
Single Uni-Directional 17V 11.1V Surface Mount SOD-123W 10V 2 400W 23.5A Yes 1 -55 °C +150 °C
RS Stock No. 166-0140
Mfr. Part No.PTVS10VS1UR,115
BrandNexperia
MYR0.491
Each (On a Reel of 3000)
units
Single Uni-Directional 17V 11.1V Surface Mount SOD-123W 10V 2 400W 23.5A Yes 1 -55 °C +150 °C
RS Stock No. 791-8986
Mfr. Part No.PTVS13VS1UR,115
BrandNexperia
MYR1.208
Each (On a Tape of 30)
units
Single Uni-Directional 21.5V 14.4V Surface Mount SOD-123W 13V 2 400W 18.6A Yes 1 -55 °C +150 °C
RS Stock No. 166-0144
Mfr. Part No.PTVS13VS1UR,115
BrandNexperia
$8.98
Each (On a Reel of 3000)
units
Single Uni-Directional 21.5V 14.4V Surface Mount SOD-123W 13V 2 400W 18.6A Yes 1 -55 °C +150 °C
RS Stock No. 780-5385
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
MYR0.381
Each (In a Pack of 100)
units
Single Uni-Directional 18V 5V Surface Mount SOD-523 3.3V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 816-6741
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
MYR1.18
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. 165-8777
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
MYR0.316
Each (On a Reel of 3000)
units
Single Uni-Directional - 4.5V Surface Mount SOD-323 3.3V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 166-0037
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
MYR0.188
Each (On a Reel of 3000)
units
Single Uni-Directional 18V 5V Surface Mount SOD-523 3.3V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 146-0495
Mfr. Part No.PESD5Z6.0,115
BrandNexperia
MYR0.188
Each (On a Reel of 3000)
units
Single Uni-Directional 13V 6.8V Surface Mount SOD-523 6V 2 180W 10A Yes 1 -55 °C +150 °C
RS Stock No. 124-2375
Mfr. Part No.PESD24VL1BA,115
BrandNexperia
MYR0.409
Each (On a Reel of 3000)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 200W 3A Yes 1 -65 °C +150 °C
RS Stock No. 725-8792
Mfr. Part No.PESD5V0U1UB,115
BrandNexperia
MYR1.18
Each (On a Tape of 20)
units
Single Uni-Directional - 5.8V Surface Mount SOD-523 5V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 508-995
Mfr. Part No.PESD24VL1BA,115
BrandNexperia
MYR1.155
Each (In a Pack of 20)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 200W 3A Yes 1 -65 °C +150 °C
RS Stock No. 791-8949
Mfr. Part No.PESD5Z6.0,115
BrandNexperia
MYR0.793
Each (On a Tape of 75)
units
Single Uni-Directional 13V 6.8V Surface Mount SOD-523 6V 2 180W 10A Yes 1 -55 °C +150 °C
RS Stock No. 508-939
Mfr. Part No.PESD1LIN,115
BrandNexperia
MYR1.187
Each (In a Pack of 20)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 160W 3A Yes 1 -65 °C +150 °C