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. 165-2480
Mfr. Part No.SMBJ24A-E3/52
BrandVishay
MYR0.709
Each (On a Reel of 750)
units
Single Uni-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 145-2577
Mfr. Part No.SMBJ7.5A-E3
BrandVishay
MYR0.95
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. 628-7512
Mfr. Part No.SMBJ7.5A-E3/52
BrandVishay
MYR1.43
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. 767-3728
Mfr. Part No.CDSOT23-SM712
BrandBourns
MYR4.553
Each (In a Pack of 10)
units
Series Bi-Directional 26V 7.5V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +150 °C
RS Stock No. 791-8961
Mfr. Part No.PTVS10VS1UR,115
BrandNexperia
MYR0.992
Each (In a Pack of 30)
units
Single Uni-Directional 17V 11.1V Surface Mount SOD-123W 10V 2 400W 23.5A Yes 1 -55 °C +150 °C
RS Stock No. 628-7691
Mfr. Part No.SMBJ24A-E3/52
BrandVishay
MYR1.36
Each (In a Pack of 5)
units
Single Uni-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 166-0140
Mfr. Part No.PTVS10VS1UR,115
BrandNexperia
MYR0.491
Each (On a Reel of 3000)
units
Single Uni-Directional 17V 11.1V Surface Mount SOD-123W 10V 2 400W 23.5A Yes 1 -55 °C +150 °C
RS Stock No. 165-3019
Mfr. Part No.CDSOT23-SM712
BrandBourns
MYR2.732
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 7.5V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +150 °C
RS Stock No. 791-8986
Mfr. Part No.PTVS13VS1UR,115
BrandNexperia
MYR0.992
Each (On a Tape of 30)
units
Single Uni-Directional 21.5V 14.4V Surface Mount SOD-123W 13V 2 400W 18.6A Yes 1 -55 °C +150 °C
RS Stock No. 918-9405
Mfr. Part No.5KP30A-E3/54
BrandVishay
MYR7.478
Each (On a Reel of 800)
units
Single Uni-Directional 48.4V 33.3V Through Hole P600 30V 2 1500W 103A Yes 1 -55 °C +175 °C
RS Stock No. 165-2443
Mfr. Part No.SA24CA-E3
BrandVishay
MYR1.911
Each (On a Reel of 4000)
units
Single Bi-Directional 38.9V 26.7V Through Hole DO-15 24V 2 500W 12.9A - 1 -55 °C +175 °C
RS Stock No. 166-0144
Mfr. Part No.PTVS13VS1UR,115
BrandNexperia
MYR0.47
Each (On a Reel of 3000)
units
Single Uni-Directional 21.5V 14.4V Surface Mount SOD-123W 13V 2 400W 18.6A Yes 1 -55 °C +150 °C
RS Stock No. 822-8568
Mfr. Part No.SMAJ28CA-13-F
MYR1.06
Each (In a Pack of 25)
units
Single Bi-Directional 45.4V 31.1V Surface Mount DO-214AC (SMA) 28V 2 400W 8.8A - 1 -55 °C +150 °C
RS Stock No. 145-1756
Mfr. Part No.P6KE15A-E3
BrandVishay
MYR1.552
Each (On a Reel of 4000)
units
Single Uni-Directional 21.2V 14.3V Through Hole DO-15 12.8V 2 600W 28.3A - 1 -55 °C +175 °C
RS Stock No. 179-1158
Mfr. Part No.SMAJ28CA-13-F
MYR0.346
Each (On a Reel of 5000)
units
Single Bi-Directional 45.4V 31.1V Surface Mount DO-214AC (SMA) 28V 2 400W 8.8A - 1 -55 °C +150 °C
RS Stock No. 639-1403
Mfr. Part No.P6KE15A-E3/54
BrandVishay
MYR1.064
Each (In a Pack of 5)
units
Single Uni-Directional 21.2V 14.3V Through Hole DO-15 12.8V 2 600W 28.3A - 1 -55 °C +175 °C
RS Stock No. 638-7779
Mfr. Part No.5KP30A-E3/54
BrandVishay
MYR7.578
Each (In a Pack of 5)
units
Single Uni-Directional 48.4V 33.3V Through Hole P600 30V 2 5000W 103A - 1 -55 °C +175 °C
RS Stock No. 637-0692
Mfr. Part No.SA24CA-E3/54
BrandVishay
MYR2.876
Each (In a Pack of 5)
units
Single Bi-Directional 38.9V 26.7V Through Hole DO-15 24V 2 500W 12.9A - 1 -55 °C +175 °C
RS Stock No. 102-6174
Mfr. Part No.1.5KE15A
MYR1.17
Each (In a Bag of 600)
units
Single Uni-Directional 27.2V 14.3V Through Hole DO-201 12.8V 2 1500W 368A - 1 -65 °C +175 °C
RS Stock No. 815-2581
Mfr. Part No.ICTE5-E3/54
BrandVishay
MYR3.19
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