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. 486-5019
Mfr. Part No.SM6T33CA
kr 3,54
Each (In a Pack of 10)
Units
Single Bi-Directional 59V 31.4V 68A Surface Mount DO-214AA (SMB) 28.2V 200nA 2 600W - 1 -55 °C
RS Stock No. 145-8614
Mfr. Part No.SMBJ28A-TR
kr 1,11
Each (On a Reel of 2500)
Units
Single Uni-Directional 59V 31.1V 68A Surface Mount DO-214AA (SMB) 28V 200nA 2 600W - 1 -55 °C
RS Stock No. 165-6959
Mfr. Part No.SA33A-E3/54
BrandVishay
kr 2,15
Each (On a Reel of 4000)
Units
Single Uni-Directional 53.3V 36.7V 9.4A Through Hole DO-204AC 33V 1µA 2 500W - 1 -55 °C
RS Stock No. 764-5464
Mfr. Part No.5KP36CA
BrandLittelfuse
kr 26,592
Each (In a Pack of 5)
Units
Single Bi-Directional 58.1V 40V 87.8A Through Hole P600 36V 2µA 2 5000W - 1 -55 °C
RS Stock No. 166-1427
Mfr. Part No.PESD5V0S1BB,115
BrandNexperia
kr 0,567
Each (On a Reel of 3000)
Units
Single Bi-Directional 14V 5.5V 12A Surface Mount SOD-523 5V 100nA 2 130W Yes 1 -65 °C
RS Stock No. 102-6178
Mfr. Part No.1.5KE300A
kr 5,402
Each (In a Bag of 600)
Units
Single Uni-Directional 529V 285V 19A Through Hole DO-201 256V 1µA 2 1500W - 1 -65 °C
RS Stock No. 636-5533
Mfr. Part No.SA12A-E3/54
BrandVishay
kr 6,668
Each (In a Pack of 5)
Units
Single Uni-Directional 19.9V 13.3V 25.1A Through Hole DO-15 12V 1µA 2 500W - 1 -55 °C
RS Stock No. 165-5498
Mfr. Part No.SMCJ22A-TR
kr 1,685
Each (On a Reel of 2500)
Units
Single Uni-Directional 48.3V 24.4V 207A Surface Mount SMC 22V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 764-5540
Mfr. Part No.SMAJ30A
BrandLittelfuse
kr 2,587
Each (In a Pack of 25)
Units
Single Uni-Directional 48.4V 33.3V 8.3A Surface Mount DO-214AC (SMA) 30V 1µA 2 400W - 1 -65 °C
RS Stock No. 919-6365
Mfr. Part No.1.5KE18CA
kr 3,371
Each (In a Bag of 600)
Units
Single Bi-Directional 32.5V 17.1V 308A Through Hole DO-201 15.3V 1µA 2 1500W - 1 -65 °C
RS Stock No. 902-6385
Mfr. Part No.1.5KE170CA-E3/54
BrandVishay
kr 3,575
Each (In a Pack of 10)
Units
Single Bi-Directional 234V 162V 6.4A Through Hole 1.5KE 145V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 166-1503
Mfr. Part No.PESD3V3S4UD,115
BrandNexperia
kr 0,956
Each (On a Reel of 3000)
Units
Common Anode Uni-Directional 12V 5.3V 20A Surface Mount TSOP 3.3V 800nA 6 200W Yes 4 -65 °C
RS Stock No. 179-1087
Mfr. Part No.SMBJ12CA
BrandLittelfuse
kr 0,989
Each (On a Reel of 3000)
Units
Single Bi-Directional 19.9V 13.3V 30.2A Surface Mount DO-214AA (SMB) 12V 1µA 2 600W - 1 -65 °C
RS Stock No. 145-2577
Mfr. Part No.SMBJ7.5A-E3
BrandVishay
kr 1,791
Each (On a Reel of 750)
Units
Single Uni-Directional 12.9V 8.33V 46.5A Surface Mount DO-214AA (SMB) 7.5V 100µA 2 600W - 1 -55 °C
RS Stock No. 793-1986
Mfr. Part No.SRV05-4HTG
BrandLittelfuse
kr 7,696
Each (In a Pack of 5)
Units
Complex Array Uni-Directional 15V - 8A Surface Mount SOT-23 6V 500nA 6 150W Yes 4 -40 °C
RS Stock No. 628-7512
Mfr. Part No.SMBJ7.5A-E3/52
BrandVishay
kr 2,558
Each (In a Pack of 5)
Units
Single Uni-Directional 12.9V 8.33V 46.5A Surface Mount DO-214AA (SMB) 7.5V 100µA 2 600W - 1 -55 °C
RS Stock No. 145-6770
Mfr. Part No.SN65240PW
kr 9,594
Each (In a Tube of 150)
Units
Common Anode - - - - Surface Mount TSSOP - - 8 - - 2 -40 °C
RS Stock No. 691-0795
Mfr. Part No.SLVU2.8-4.TBT
BrandSemtech
kr 33,595
Each (In a Pack of 2)
Units
Isolated Uni-Directional 15V - 24A Surface Mount SOIC 2.8V 1µA 8 400W Yes 4 -55 °C
RS Stock No. 166-0299
Mfr. Part No.SA5.0A
BrandLittelfuse
kr 2,749
Each (On a Reel of 4000)
Units
Single Uni-Directional 9.2V 6.4V 55.4A Through Hole DO-204AC 5V 600µA 2 500W - 1 -55 °C
RS Stock No. 177-7623
Mfr. Part No.GMF05C-HSF-GS08
BrandVishay
kr 1,822
Each (On a Reel of 3000)
Units
Common Anode Bi-Directional 12.5V 6V 12A Surface Mount LLP75 5V 1µA 6 200W Yes 5 -55 °C