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. 165-7693
Mfr. Part No.BZW04-33
MYR1.032
Each (On a Tape of 1000)
units
Single Uni-Directional 69.7V 37.1V Through Hole DO-15 33.3V 2 400W 33A - 1 -65 °C +175 °C
RS Stock No. 124-2404
Mfr. Part No.PRTR5V0U2X,215
BrandNexperia
MYR0.718
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - 6V Surface Mount SOT-143B 5.5V 4 - - Yes 2 -40 °C +85 °C
RS Stock No. 918-9531
Mfr. Part No.5KP33A-E3/54
BrandVishay
MYR7.54
Each (On a Reel of 800)
units
Single Uni-Directional 53.3V 36.7V Through Hole P600 33V 2 5000W 93.8A Yes 1 -55 °C +175 °C
RS Stock No. 823-1748
Mfr. Part No.SMBJ5.0CA-13-F
MYR0.928
Each (In a Pack of 25)
units
Single Bi-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 165-2481
Mfr. Part No.SMBJ5.0CA-E3/52
BrandVishay
MYR0.882
Each (On a Reel of 750)
units
Single Bi-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 166-0101
Mfr. Part No.PESD36VS2UT,215
BrandNexperia
MYR0.29
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 60V 40V Surface Mount SOT-23 36V 3 160W 2.5A Yes 1 -55 °C +150 °C
RS Stock No. 829-0674
Mfr. Part No.SLVU2.8-8A1
MYR12.34
Each (In a Pack of 5)
units
Isolated - 15V - Surface Mount SOIC 2.8V 8 600W 24A - 4 -55 °C +150 °C
RS Stock No. 509-403
Mfr. Part No.PESD5V0S1UB,115
BrandNexperia
MYR1.031
Each (In a Pack of 20)
units
Single Uni-Directional 20V 6.4V Surface Mount SOD-523 5V 2 260W 15A Yes 1 -65 °C +150 °C
RS Stock No. 767-3775
Mfr. Part No.SMBJ30A
BrandBourns
MYR1.193
Each (In a Pack of 50)
units
Single Uni-Directional 3.5V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 50A Yes 1 -55 °C +150 °C
RS Stock No. 145-9417
Mfr. Part No.ESD5V5U5ULCE6327HTSA1
BrandInfineon
MYR0.772
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 9.2V - Surface Mount SC-74 - 6 - 6A Yes 5 -40 °C +125 °C
RS Stock No. 486-4842
Mfr. Part No.SM15T33CA
MYR3.44
Each (In a Pack of 5)
units
Single Bi-Directional 59V 31.4V Surface Mount SMC 28.2V 2 1500W 169A - 1 -55 °C +150 °C
RS Stock No. 103-1074
Mfr. Part No.USB6B1RL
MYR1.965
Each (On a Reel of 2500)
units
Complex Array Bi-Directional - 6V Surface Mount SOIC 5.2V 8 500W 40A Yes 2 -40 °C +85 °C
RS Stock No. 145-3375
Mfr. Part No.ESD5Z7.0T1G
MYR0.113
Each (On a Reel of 3000)
units
Single Uni-Directional 13.5V 7.5V Surface Mount SDO-523 7V 2 200W 22.7A Yes 1 -55 °C +150 °C
RS Stock No. 786-2987
Mfr. Part No.MSQA6V1W5T2G
MYR1.02
Each (In a Pack of 50)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-353 (SC-70) 3V 5 150W - Yes 4 -55 °C +150 °C
RS Stock No. 145-8614
Mfr. Part No.SMBJ28A-TR
MYR0.462
Each (On a Reel of 2500)
units
Single Uni-Directional 59V 31.1V Surface Mount DO-214AA (SMB) 28V 2 600W 68A - 1 -55 °C +150 °C
RS Stock No. 921-7232
Mfr. Part No.824550601
MYR6.09
Each (In a Pack of 10)
units
Single Uni-Directional 96.8V 70.2V Surface Mount DO-214AB (SMC) - 2 3000W 300A - 1 -65 °C +150 °C
RS Stock No. 919-6456
Mfr. Part No.SM6T6V8CA
MYR0.63
Each (On a Reel of 2500)
units
Single Bi-Directional 13.4V 6.45V Surface Mount DO-214AA (SMB) 5.8V 2 600W 298A - 1 -55 °C +150 °C
RS Stock No. 166-1421
Mfr. Part No.PESD5V0S1UB,115
BrandNexperia
MYR0.315
Each (On a Reel of 3000)
units
Single Uni-Directional 20V 6.4V Surface Mount SOD-523 5V 2 260W 15A Yes 1 -65 °C +150 °C
RS Stock No. 165-2610
Mfr. Part No.1.5KE36CA-E3/54
BrandVishay
MYR2.673
Each (On a Tape of 1400)
units
Single Bi-Directional 52V 32.4V Through Hole 1.5KE 29V 2 1500W 28.8A Yes 1 -55 °C +175 °C
RS Stock No. 710-3468
Mfr. Part No.SMAJ30CA-E3/61
BrandVishay
MYR1.10
Each (In a Pack of 20)
units
Single Bi-Directional 48.4V 33.3V Surface Mount DO-214AC (SMA) 30V 2 400W 8.3A - 1 -55 °C +150 °C