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. 636-5527
Mfr. Part No.SA5.0A-E3/54
BrandVishay
SGD0.746
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V Through Hole DO-15 5V 2 500W 54.3A - 1 -55 °C +175 °C
RS Stock No. 918-9341
Mfr. Part No.SA5.0A-E3/54
BrandVishay
SGD0.432
Each (On a Reel of 4000)
units
Single Uni-Directional 9.2V 6.4V Through Hole DO-15 5V 2 500W 54.3A - 1 -55 °C +175 °C
RS Stock No. 918-9345
Mfr. Part No.SA12A-E3/54
BrandVishay
SGD0.389
Each (On a Reel of 4000)
units
Single Uni-Directional 19.9V 13.3V Through Hole DO-15 12V 2 500W 25.1A - 1 -55 °C +175 °C
RS Stock No. 636-5533
Mfr. Part No.SA12A-E3/54
BrandVishay
SGD0.792
Each (In a Pack of 5)
units
Single Uni-Directional 19.9V 13.3V Through Hole DO-15 12V 2 500W 25.1A - 1 -55 °C +175 °C
RS Stock No. 710-3563
Mfr. Part No.SMCJ54A-E3/57T
BrandVishay
SGD0.647
Each (In a Pack of 10)
units
Single Uni-Directional 87.1V 60V Surface Mount SMC 54V 2 1500W 17.2A - 1 -55 °C +150 °C
RS Stock No. 165-2881
Mfr. Part No.SMCJ54A-E3/57T
BrandVishay
SGD0.34
Each (On a Reel of 850)
units
Single Uni-Directional 87.1V 60V Surface Mount SMC 54V 2 1500W 17.2A - 1 -55 °C +150 °C
RS Stock No. 165-6123
Mfr. Part No.SMBJ110CA-E3/52
BrandVishay
SGD0.253
Each (On a Reel of 750)
units
Single Bi-Directional 177V 122V Surface Mount DO-214AA (SMB) 110V 2 600W 3.4A - 1 -55 °C +150 °C
RS Stock No. 918-9382
Mfr. Part No.1.5KE47CA-E3/54
BrandVishay
SGD0.694
Each (On a Reel of 1400)
units
Single Bi-Directional 64.8V 44.7V Through Hole 1.5KE 40.2V 2 1500W 23.1A - 1 -55 °C +175 °C
RS Stock No. 918-9562
Mfr. Part No.SMCJ28CA-E3/57T
BrandVishay
SGD0.618
Each (On a Reel of 850)
units
Single Bi-Directional 45.4V 31.1V Surface Mount SMC 28V 2 1500W 33A - 1 -55 °C +150 °C
RS Stock No. 145-2577
Mfr. Part No.SMBJ7.5A-E3
BrandVishay
SGD0.287
Each (On a Reel of 750)
units
Single Uni-Directional 12.9V 8.33V Surface Mount DO-214AA (SMB) 7.5V 2 600W 46.5A - 1 -55 °C +150 °C
RS Stock No. 165-4948
Mfr. Part No.1N6293A-E3/54
BrandVishay
SGD0.603
Each (On a Tape of 1400)
units
Single Uni-Directional 113V 77.9V Through Hole 1.5KE 70V 2 1500W 13.3A Yes 1 -55 °C +175 °C
RS Stock No. 819-3706
Mfr. Part No.SMBJ17A-E3/52
BrandVishay
SGD0.441
Each (In a Pack of 20)
units
Single Uni-Directional 27.6V 18.9V Surface Mount DO-214AA (SMB) 17V 2 600W 21.7A - 1 -55 °C +150 °C
RS Stock No. 631-1104
Mfr. Part No.SMCJ12A-E3/57T
BrandVishay
SGD0.716
Each (In a Pack of 20)
units
Single Uni-Directional 19.9V 13.3V Surface Mount SMC 12V 2 1500W 75.4A - 1 -55 °C +150 °C
RS Stock No. 628-7512
Mfr. Part No.SMBJ7.5A-E3/52
BrandVishay
SGD0.368
Each (In a Pack of 5)
units
Single Uni-Directional 12.9V 8.33V Surface Mount DO-214AA (SMB) 7.5V 2 600W 46.5A - 1 -55 °C +150 °C
RS Stock No. 748-1009
Mfr. Part No.SM8S24AHE3_A/I
BrandVishay
SGD6.86
Each
units
Common Anode Uni-Directional 43V 26.7V Surface Mount DO-218AB 24V 2 6600W 153A - 2 -55 °C +175 °C
RS Stock No. 815-2581
Mfr. Part No.ICTE5-E3/54
BrandVishay
SGD1.132
Each (In a Pack of 10)
units
Single Uni-Directional 7.1V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 819-3674
Mfr. Part No.SMBJ110CA-E3/52
BrandVishay
SGD0.515
Each (In a Pack of 20)
units
Single Bi-Directional 177V 122V Surface Mount DO-214AA (SMB) 110V 2 600W 3.4A - 1 -55 °C +150 °C
RS Stock No. 918-9427
Mfr. Part No.1.5KE220CA-E3/54
BrandVishay
SGD0.704
Each (On a Reel of 1400)
units
Single Bi-Directional 328V 209V Through Hole 1.5KE 185V 2 1500W 4.6A - 1 -55 °C +175 °C
RS Stock No. 812-0032
Mfr. Part No.P6KE68CA-E3/54
BrandVishay
SGD0.665
Each (In a Pack of 20)
units
Single Bi-Directional 92V 64.6V Through Hole DO-204AC 58V 2 600W 6.5A - 1 -55 °C +175 °C
RS Stock No. 638-1608
Mfr. Part No.1.5KE47CA-E3/54
BrandVishay
SGD0.86
Each (In a Pack of 5)
units
Single Bi-Directional 64.8V 44.7V Through Hole 1.5KE 40.2V 2 1500W 23.1A - 1 -55 °C +175 °C