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 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. 464-255
Mfr. Part No.NUP2105LT1G
Brandonsemi
kr 3,392
Each (In a Pack of 20)
Units
Series Bi-Directional 44V 26.2V 8A Surface Mount SOT-23 24V 100nA 3 350W Yes 2 -55 °C
RS Stock No. 102-2281
Mfr. Part No.NUP2105LT1G
Brandonsemi
kr 0,945
Each (On a Reel of 3000)
Units
Series Bi-Directional 44V 26.2V 8A Surface Mount SOT-23 24V 100nA 3 350W Yes 2 -55 °C
RS Stock No. 543-8854
Mfr. Part No.P6KE33A
kr 4,848
Each (In a Pack of 5)
Units
Single Uni-Directional 45.7V 31.4V 13.2A Through Hole DO-15 28.2V 5µA 2 600W - 1 -65 °C
RS Stock No. 770-5106
Mfr. Part No.DESD5V0S1BB-7
kr 3,292
Each (In a Pack of 50)
Units
Single Bi-Directional 14V 5.5V 12A Surface Mount SOD-523 5V 100nA 2 130W Yes 1 -65 °C
RS Stock No. 166-2524
Mfr. Part No.P6KE33A
kr 1,619
Each (On a Reel of 4000)
Units
Single Uni-Directional 45.7V 31.4V 13.2A Through Hole DO-15 28.2V 5µA 2 600W - 1 -65 °C
RS Stock No. 169-0795
Mfr. Part No.DESD5V0S1BB-7
kr 0,611
Each (On a Reel of 3000)
Units
Single Bi-Directional 14V 5.5V 12A Surface Mount SOD-523 5V 100nA 2 130W Yes 1 -65 °C
RS Stock No. 543-8602
Mfr. Part No.P6KE20A
kr 5,088
Each (In a Pack of 5)
Units
Single Uni-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 791-8983
Mfr. Part No.PTVS15VS1UR,115
BrandNexperia
kr 3,29
Each (In a Pack of 30)
Units
Single Uni-Directional 24.4V 16.7V 16.4A Surface Mount SOD-123W 15V 100nA 2 400W Yes 1 -55 °C
RS Stock No. 166-0143
Mfr. Part No.PTVS15VS1UR,115
BrandNexperia
kr 1,088
Each (On a Reel of 3000)
Units
Single Uni-Directional 24.4V 16.7V 16.4A Surface Mount SOD-123W 15V 100nA 2 400W Yes 1 -55 °C
RS Stock No. 166-1776
Mfr. Part No.P6KE20A
Brandonsemi
kr 1,574
Each (On a Reel of 4000)
Units
Single Uni-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 691-0833
Mfr. Part No.SMDA15C.TBT
BrandSemtech
kr 43,49
Each
Units
Isolated Bi-Directional 30V 16.7V 10A Surface Mount SOIC 15V 1µA 8 300W Yes 4 -55 °C
RS Stock No. 134-9471
Mfr. Part No.B72500D0090A060
BrandEPCOS
kr 0,563
Each (On a Reel of 4000)
Units
Single Bi-Directional 30V 10V 30A Surface Mount SOD-523 9V 1µA 2 1600W Yes 1 -40 °C
RS Stock No. 496-2974
Mfr. Part No.B72500D0090A060
BrandEPCOS
kr 0,854
Each (In a Pack of 25)
Units
Single Bi-Directional 30V 10V 30A Surface Mount SOD-523 9V 1µA 2 1600W Yes 1 -40 °C
RS Stock No. 170-0839
Mfr. Part No.SMDA15C.TBT
BrandSemtech
kr 27,079
Each (On a Reel of 500)
Units
Isolated Bi-Directional 30V 16.7V 10A Surface Mount SOIC 15V 1µA 8 300W Yes 4 -55 °C
RS Stock No. 906-6901
Mfr. Part No.CPDU5V0
kr 1,686
Each (In a Pack of 500)
Units
Single Bi-Directional 15V 5.1V 5A Surface Mount 0603 (1608M) - 2µA 2 - Yes 2 -
RS Stock No. 812-0212
Mfr. Part No.TPD6E001RSER
kr 4,727
Each (In a Pack of 25)
Units
Complex Array Uni-Directional 100V 11V - Surface Mount UQFN - 1nA 10 - Yes 6 -40 °C
RS Stock No. 687-3772
Mfr. Part No.BZW06-31B R0
kr 0,858
Each (In a Pack of 20)
Units
Single Bi-Directional 64.3V 34.2V 62A Through Hole DO-15 30.8V 1µA 2 600W - 1 -65 °C
RS Stock No. 166-0627
Mfr. Part No.5KP36CA
BrandLittelfuse
kr 18,584
Each (On a Reel of 800)
Units
Single Bi-Directional 58.1V 40V 87.8A Through Hole P600 36V 2µA 2 5000W - 1 -55 °C
RS Stock No. 919-6444
Mfr. Part No.SM6T33CA
kr 2,014
Each (On a Reel of 2500)
Units
Single Bi-Directional 59V 31.4V 68A Surface Mount DO-214AA (SMB) 28.2V 200nA 2 600W - 1 -55 °C
RS Stock No. 165-2445
Mfr. Part No.SA30A-E3/54
BrandVishay
kr 2,946
Each (On a Reel of 4000)
Units
Single Uni-Directional 48.4V 33.3V 10A Through Hole DO-204AC 30V 1µA 2 500W Yes 1 -55 °C