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. 753-2608
Mfr. Part No.ESD7004MUTAG
€0.372
Each (In a Pack of 5)
units
- - - - - Surface Mount - - - - - - - -55 °C
RS Stock No. 163-2389
Mfr. Part No.ESD7004MUTAG
€0.08
Each (On a Reel of 3000)
units
- - - - - Surface Mount - - - - - - - -55 °C
RS Stock No. 786-2943
Mfr. Part No.ESD9P5.0ST5G
€0.036
Each (In a Pack of 50)
units
Single Uni-Directional 9.8V 5.8V 1A Surface Mount SOD-923 5V 1µA 2 0.15W Yes 1 -55 °C
RS Stock No. 543-8422
Mfr. Part No.P6KE20CA
€0.328
Each (In a Pack of 5)
units
Single Bi-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 166-1782
Mfr. Part No.P6KE20CA
€0.16
Each (On a Reel of 4000)
units
Single Bi-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 166-1980
Mfr. Part No.SMBJ30CA
€0.091
Each (On a Reel of 3000)
units
Single Bi-Directional 48.4V 33.3V 12.4A Surface Mount DO-214AA (SMB) 30V 1µA 2 600W - 1 -65 °C
RS Stock No. 166-2526
Mfr. Part No.P6KE200A
€0.136
Each (On a Reel of 4000)
units
Single Uni-Directional 274V 190V 2.2A Through Hole DO-15 171V 5µA 2 600W - 1 -65 °C
RS Stock No. 162-9328
Mfr. Part No.ESD9P5.0ST5G
€0.039
Each (On a Reel of 8000)
units
Single Uni-Directional 9.8V 5.8V 1A Surface Mount SOD-923 5V 1µA 2 0.15W Yes 1 -55 °C
RS Stock No. 806-2028
Mfr. Part No.SMBJ30CA
€0.338
Each (On a Tape of 50)
units
Single Bi-Directional 48.4V 33.3V 12.4A Surface Mount DO-214AA (SMB) 30V 5µA 2 600W - 1 -55 °C
RS Stock No. 543-8911
Mfr. Part No.P6KE200A
€0.296
Each (In a Pack of 5)
units
Single Uni-Directional 274V 190V 2.2A Through Hole DO-15 171V 5µA 2 600W - 1 -65 °C
RS Stock No. 805-2835
Mfr. Part No.MMQA27VT1G
€0.25
Each (In a Pack of 50)
units
Common Anode Uni-Directional 39V 25.7V - Surface Mount SC-74 21V 75nA 6 150W Yes 4 -55 °C
RS Stock No. 145-4208
Mfr. Part No.MMQA27VT1G
€0.079
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 39V 25.7V - Surface Mount SC-74 21V 75nA 6 150W Yes 4 -55 °C
RS Stock No. 171-8425
Mfr. Part No.SZESD1L001W1T2G
€0.132
Each (In a Pack of 50)
units
Array Uni-Directional 30V 16.5V 16A Surface Mount SC-88 - 1µA 6 - Yes 2 -55 °C
New
RS Stock No. 214-8886
Mfr. Part No.NIV1241MTWTAG
€0.426
Each (In a Pack of 20)
units
- - 43V 25V - Surface Mount WDFNW6 - - 6 - - - -
RS Stock No. 102-1380
Mfr. Part No.NUP2202W1T2G
€0.154
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 20V 6V 28A Surface Mount SOT-363 (SC-88) 5V 5µA 6 500W Yes 2 -40 °C
RS Stock No. 185-8124
Mfr. Part No.NSPU5132MUTBG
€0.145
Each (On a Reel of 3000)
units
Single Uni-Directional 24V 13.6V 200A Surface Mount UDFN - 500nA 6 4800W Yes 1 -55 °C
RS Stock No. 786-4460
Mfr. Part No.NZL5V6AXV3T1G
€0.235
Each (In a Pack of 50)
units
Common Anode Uni-Directional 10.1V 5.32V 4.8A Surface Mount SOT-523 (SC-89) 3V 5µA 3 50W Yes 2 -55 °C
RS Stock No. 808-0032
Mfr. Part No.MMBZ15VDLT1G
€0.011
Each (In a Pack of 500)
units
Common Cathode Bi-Directional, Uni-Directional 21.2V 14.3V 1.9A Surface Mount SOT-123 12.8V 100nA 3 40W Yes 2 -55 °C
RS Stock No. 145-4070
Mfr. Part No.SD12T1G
€0.04
Each (On a Reel of 3000)
units
Single Uni-Directional 25V 13.3V 15A Surface Mount SOD-323 12V 1µA 2 350W Yes 1 -55 °C
RS Stock No. 145-5211
Mfr. Part No.NUP4114UCW1T2G
€0.085
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 9V 5.5V 12A Surface Mount SOT-363 (SC-88) 5.5V 1µA 6 - Yes 4 -40 °C