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. 808-0335
Mfr. Part No.SMCJ36A
HK$4.464
Each (In a Pack of 20)
units
Single Uni-Directional 58.1V 40V Surface Mount DO-214AB (SMC) 36V 2 1500W 25.8A - 1 - +150 °C
RS Stock No. 166-2282
Mfr. Part No.SMCJ36A
HK$2.393
Each (On a Reel of 3000)
units
Single Uni-Directional 58.1V 40V Surface Mount DO-214AB (SMC) 36V 2 1500W 25.8A - 1 - +150 °C
RS Stock No. 166-1743
Mfr. Part No.P6KE62A
HK$1.724
Each (On a Reel of 4000)
units
Single Uni-Directional 85V 58.9V Through Hole DO-15 53V 2 600W 7.1A - 1 -65 °C +175 °C
RS Stock No. 543-8860
Mfr. Part No.P6KE62A
HK$4.768
Each (In a Pack of 5)
units
Single Uni-Directional 85V 58.9V Through Hole DO-15 53V 2 600W 7.1A - 1 -65 °C +175 °C
RS Stock No. 802-1730
Mfr. Part No.NUP4114UCW1T2G
HK$1.596
Each (In a Pack of 100)
units
Complex Array Uni-Directional 9V 5.5V Surface Mount SOT-363 (SC-88) 5.5V 6 - 12A Yes 4 -40 °C +125 °C
RS Stock No. 543-8753
Mfr. Part No.P6KE180A
HK$4.768
Each (In a Pack of 5)
units
Single Uni-Directional 246V 171V Through Hole DO-15 154V 2 600W 2.4A - 1 -65 °C +175 °C
RS Stock No. 145-5211
Mfr. Part No.NUP4114UCW1T2G
HK$1.014
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 9V 5.5V Surface Mount SOT-363 (SC-88) 5.5V 6 - 12A Yes 4 -40 °C +125 °C
RS Stock No. 166-1783
Mfr. Part No.P6KE180A
HK$1.51
Each (On a Reel of 4000)
units
Single Uni-Directional 246V 171V Through Hole DO-15 154V 2 600W 2.4A - 1 -65 °C +175 °C
RS Stock No. 166-1773
Mfr. Part No.P6KE300A
HK$2.198
Each (On a Reel of 4000)
units
Single Uni-Directional 414V 285V Through Hole DO-15 256V 2 600W 1.5A - 1 -65 °C +175 °C
RS Stock No. 543-8769
Mfr. Part No.P6KE300A
HK$4.316
Each (In a Pack of 5)
units
Single Uni-Directional 414V 285V Through Hole DO-15 256V 2 600W 1.5A - 1 -65 °C +175 °C
RS Stock No. 808-0326
Mfr. Part No.SMCJ33A
HK$3.833
Each (In a Pack of 20)
units
Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 1500W 28.1A - 1 - +150 °C
RS Stock No. 805-2829
Mfr. Part No.MMQA12VT1G
HK$2.51
Each (In a Pack of 50)
units
Common Anode Uni-Directional 17.3V 11.4V Surface Mount SC-74 9.1V 6 150W - Yes 4 -55 °C +150 °C
RS Stock No. 145-4207
Mfr. Part No.MMQA12VT1G
HK$0.696
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 17.3V 11.4V Surface Mount SC-74 9.1V 6 150W - Yes 4 -55 °C +150 °C
RS Stock No. 791-6038
Mfr. Part No.ESD5B5.0ST1G
HK$0.638
Each (In a Pack of 100)
units
Single Bi-Directional - 5.8V Surface Mount SOD-523 5V 2 50W 30A Yes 1 -55 °C +150 °C
RS Stock No. 162-9322
Mfr. Part No.ESD5B5.0ST1G
HK$0.351
Each (On a Reel of 3000)
units
Single Bi-Directional - 5.8V Surface Mount SOD-523 5V 2 50W 30A Yes 1 -55 °C +150 °C
RS Stock No. 169-8520
Mfr. Part No.P6KE12CA
HK$1.989
Each (On a Reel of 4000)
units
Single Bi-Directional 16.7V 11.4V Through Hole DO-15 10.2V 2 600W 36A - 1 -65 °C +175 °C
RS Stock No. 166-3683
Mfr. Part No.SMCJ33A
HK$1.741
Each (On a Reel of 3000)
units
Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 1500W 28.2A - 1 -65 °C +150 °C
RS Stock No. 543-8393
Mfr. Part No.P6KE12CA
HK$3.508
Each (In a Pack of 5)
units
Single Bi-Directional 16.7V 11.4V Through Hole DO-15 10.2V 2 600W 36A - 1 -65 °C +175 °C
RS Stock No. 882-9846
Mfr. Part No.NUP3105LT1G
HK$3.538
Each (In a Pack of 25)
units
Common Anode Bi-Directional 66V 35.6V Surface Mount SOT-23 - 3 350W 8A Yes 1 -55 °C +150 °C
RS Stock No. 882-9840
Mfr. Part No.NUP3105LT3G
HK$3.538
Each (In a Pack of 25)
units
Common Anode Bi-Directional 66V 35.6V Surface Mount SOT-23 - 3 350W 8A Yes 1 -55 °C +150 °C