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. 165-6964
Mfr. Part No.SA6.5CA-E3/54
BrandVishay
TWD10.00
Each (On a Reel of 4000)
units
Single Bi-Directional 11.2V 7.22V Through Hole DO-204AC 6.5V 2 500W 44.7A - 1 -55 °C +175 °C
RS Stock No. 628-7304
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
TWD13.20
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 812-9294
Mfr. Part No.SA6.5CA-E3/54
BrandVishay
TWD13.80
Each (In a Pack of 20)
units
Single Bi-Directional 11.2V 7.22V Through Hole DO-204AC 6.5V 2 500W 44.7A - 1 -55 °C +175 °C
RS Stock No. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
TWD5.50
Each (On a Reel of 750)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 485-4851
Mfr. Part No.ICTE5-E3/54
BrandVishay
TWD21.20
Each (In a Pack of 5)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 710-3055
Mfr. Part No.MSP3V3-M3/89A
BrandVishay
TWD7.00
Each (In a Pack of 20)
units
Single Uni-Directional 11V 4.1V Surface Mount μSMP 3.3V 2 100W 75A Yes 1 -55 °C +150 °C
RS Stock No. 919-0240
Mfr. Part No.MSP3V3-M3/89A
BrandVishay
TWD1.90
Each (On a Reel of 4500)
units
Single Uni-Directional 11V 4.1V Surface Mount μSMP 3.3V 2 100W 75A Yes 1 -55 °C +150 °C
RS Stock No. 699-8136
Mfr. Part No.SMF5V0A-E3-08
BrandVishay
TWD10.30
Each (In a Pack of 20)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-219AB 5V 2 1000W 21.7A Yes 1 -55 °C +150 °C
RS Stock No. 918-9534
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
TWD15.20
Each (On a Reel of 1400)
units
Single Bi-Directional 23.5V 14.4V Through Hole 1.5KE 12.9V 2 1500W 63.8A Yes 1 -55 °C +175 °C
RS Stock No. 165-2265
Mfr. Part No.SMF5V0A-E3-08
BrandVishay
TWD2.80
Each (On a Reel of 3000)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-219AB 5V 2 1000W 21.7A Yes 1 -55 °C +150 °C
RS Stock No. 699-7931
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
TWD20.50
Each (In a Pack of 10)
units
Single Bi-Directional 23.5V 14.4V Through Hole 1.5KE 12.9V 2 1500W 63.8A Yes 1 -55 °C +175 °C
RS Stock No. 699-7957
Mfr. Part No.GSOT03C-E3-08
BrandVishay
TWD9.30
Each (In a Pack of 25)
units
Dual Bi-Directional 7.5V 4V Surface Mount SOT-23 3.3V 3 509W 30A Yes 1 -55 °C +150 °C
RS Stock No. 628-8751
Mfr. Part No.SMBJ24CA-E3/52
BrandVishay
TWD8.20
Each (In a Pack of 5)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 699-8041
Mfr. Part No.SMBJ24CA-E3/5B
BrandVishay
TWD8.60
Each (In a Pack of 20)
units
Single Bi-Directional 43V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 14A Yes 1 -55 °C +150 °C
RS Stock No. 165-2269
Mfr. Part No.SMBJ24CA-E3/5B
BrandVishay
TWD6.20
Each (On a Reel of 3200)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 169-6045
Mfr. Part No.SMBJ24CA-E3
BrandVishay
TWD4.80
Each (On a Reel of 750)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 165-2266
Mfr. Part No.GSOT03C-E3-08
BrandVishay
TWD2.60
Each (On a Reel of 3000)
units
Dual Bi-Directional 7.5V 4V Surface Mount SOT-23 3.3V 3 509W 30A Yes 1 -55 °C +150 °C
RS Stock No. 902-6398
Mfr. Part No.1.5KE20A-E3/54
BrandVishay
TWD18.80
Each (In a Pack of 10)
units
Single Uni-Directional 27.7V 19V Through Hole 1.5KE 17V 2 1500W 54.2A Yes 1 -55 °C +175 °C
RS Stock No. 165-4906
Mfr. Part No.1.5KE20A-E3/54
BrandVishay
TWD14.00
Each (On a Tape of 1400)
units
Single Uni-Directional 27.7V 19V Through Hole 1.5KE 17V 2 1500W 54.2A Yes 1 -55 °C +175 °C
RS Stock No. 165-2570
Mfr. Part No.SMCJ48A-E3/57T
BrandVishay
TWD10.70
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