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. 628-7629
Mfr. Part No.SMBJ12A-E3/52
BrandVishay
MYR1.88
Each (In a Pack of 5)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 166-0112
Mfr. Part No.SP3010-04UTG
BrandLittelfuse
MYR1.691
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 12.3V - Surface Mount μDFN 6V 10 - 2A Yes 4 -40 °C +125 °C
RS Stock No. 714-6995
Mfr. Part No.BZW06-19B
MYR1.995
Each (In a Pack of 20)
units
Single Bi-Directional 39.3V 20.9V Through Hole DO-15 18.8V 2 600W 102A - 1 -65 °C +175 °C
RS Stock No. 169-9101
Mfr. Part No.P6KE16CA R0
MYR1.204
Each (On a Tape of 3500)
units
Single Bi-Directional 22.5V 15.2V Through Hole DO-15 13.6V 2 600W 28A - 1 -55 °C +175 °C
RS Stock No. 764-5464
Mfr. Part No.5KP36CA
BrandLittelfuse
MYR10.09
Each (In a Pack of 5)
units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C +175 °C
RS Stock No. 687-3841
Mfr. Part No.P6KE16CA R0
MYR2.85
Each (In a Pack of 20)
units
Single Bi-Directional 22.5V 15.2V Through Hole DO-15 13.6V 2 600W 28A - 1 -55 °C +175 °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. 165-7189
Mfr. Part No.1N6373-E3/54
BrandVishay
MYR1.96
Each (On a Tape of 1400)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 812-0203
Mfr. Part No.TPD4E001DBVR
MYR2.53
Each (In a Pack of 25)
units
Complex Array Uni-Directional 100V 11V Surface Mount SOT-23 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
RS Stock No. 166-0627
Mfr. Part No.5KP36CA
BrandLittelfuse
MYR6.878
Each (On a Reel of 800)
units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C +175 °C
RS Stock No. 165-9844
Mfr. Part No.SMBJ28A
BrandLittelfuse
MYR0.434
Each (On a Reel of 3000)
units
Single Uni-Directional 45.4V 31.1V Surface Mount DO-214AA (SMB) 28V 2 600W 13.3A - 1 -65 °C +150 °C
RS Stock No. 165-2570
Mfr. Part No.SMCJ48A-E3/57T
BrandVishay
MYR1.283
Each (On a Reel of 850)
units
Single Uni-Directional 77.4V 53.3V Surface Mount DO-214AB (SMC) 48V 2 1500W 19.4A Yes 1 -55 °C +150 °C
RS Stock No. 699-8120
Mfr. Part No.SMCJ48A-E3/57T
BrandVishay
MYR1.817
Each (In a Pack of 10)
units
Single Uni-Directional 77.4V 53.3V Surface Mount DO-214AB (SMC) 48V 2 1500W 19.4A Yes 1 -55 °C +150 °C
RS Stock No. 638-7763
Mfr. Part No.5KP24A-E3/54
BrandVishay
MYR9.74
Each (In a Pack of 5)
units
Single Uni-Directional 38.9V 26.7V Through Hole P600 24V 2 5000W 129A - 1 -55 °C +175 °C
RS Stock No. 689-9988
Mfr. Part No.NUP4301MR6T1G
MYR1.796
Each (In a Pack of 5)
units
Complex Array - - - Surface Mount SC-74 - 6 - - - 4 -40 °C +85 °C
RS Stock No. 509-099
Mfr. Part No.PESD3V3S2UT,215
BrandNexperia
MYR1.418
Each (In a Pack of 20)
units
Common Anode Uni-Directional 20V 5.2V Surface Mount SOT-23 (TO-236AB) 3.3V 3 330W 18A Yes 2 -65 °C +150 °C
RS Stock No. 146-0603
Mfr. Part No.SM712.TCT
BrandSemtech
MYR3.585
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 13.3V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +125 °C
RS Stock No. 700-2624
Mfr. Part No.RSA6.1ENTR
BrandROHM
MYR2.074
Each (In a Pack of 5)
units
Common Anode - - - Surface Mount UMD - 5 - - - 4 -55 °C +150 °C
RS Stock No. 795-7366
Mfr. Part No.SM4T47CAY
MYR2.92
Each (In a Pack of 25)
units
Single Bi-Directional 84V 44.4V Surface Mount DO-214AC (SMA) 40V 2 400W 27A - 1 -55 °C +150 °C
RS Stock No. 543-8652
Mfr. Part No.P6KE39A
MYR2.214
Each (In a Pack of 5)
units
Single Uni-Directional 53.9V 37.1V Through Hole DO-15 33.3V 2 600W 11.2A - 1 -65 °C +175 °C