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. 165-9844
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. 793-1976
Mfr. Part No.SP3010-04UTG
BrandLittelfuse
MYR3.087
Each (In a Pack of 10)
units
Complex Array Uni-Directional 12.3V - Surface Mount μDFN 6V 10 - 2A Yes 4 -40 °C +125 °C
RS Stock No. 793-1982
Mfr. Part No.SP724AHTG
BrandLittelfuse
MYR6.64
Each (In a Pack of 5)
units
Complex Array Uni-Directional - - Surface Mount SOT-23 - 6 - - Yes 4 -40 °C +105 °C
RS Stock No. 124-2375
Mfr. Part No.PESD24VL1BA,115
BrandNexperia
MYR0.409
Each (On a Reel of 3000)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 200W 3A Yes 1 -65 °C +150 °C
RS Stock No. 165-9824
Mfr. Part No.SP724AHTG
BrandLittelfuse
MYR3.613
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - - Surface Mount SOT-23 - 6 - - Yes 4 -40 °C +105 °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. 885-5634
Mfr. Part No.SMBJ12CA-13-F
MYR1.134
Each (In a Pack of 50)
units
Single Bi-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 918-9408
Mfr. Part No.5KP48A-E3
BrandVishay
MYR13.825
Each (On a Reel of 800)
units
Single Uni-Directional 77.4V 53.3V Through Hole P600 48V 2 5000W 64.6A - 1 -55 °C +175 °C
RS Stock No. 165-7189
Mfr. Part No.1N6373-E3/54
BrandVishay
MYR1.864
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. 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. 170-0805
Mfr. Part No.RCLAMP0502A.TCT
BrandSemtech
MYR2.468
Each (On a Reel of 3000)
units
Single Uni-Directional 18V 6V Surface Mount SOT-523 (SC-89) 5V 6 50W 3A Yes 1 -55 °C +125 °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. 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. 791-8949
Mfr. Part No.PESD5Z6.0,115
BrandNexperia
MYR0.793
Each (On a Tape of 75)
units
Single Uni-Directional 13V 6.8V Surface Mount SOD-523 6V 2 180W 10A Yes 1 -55 °C +150 °C
RS Stock No. 508-939
Mfr. Part No.PESD1LIN,115
BrandNexperia
MYR1.187
Each (In a Pack of 20)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 160W 3A Yes 1 -65 °C +150 °C
RS Stock No. 764-5603
Mfr. Part No.SMBJ28A
BrandLittelfuse
MYR1.208
Each (In a Pack of 10)
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. 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. 811-6112
Mfr. Part No.1N6373-E3/54
BrandVishay
MYR2.531
Each (In a Pack of 50)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 145-4208
Mfr. Part No.MMQA27VT1G
MYR0.359
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 39V 25.7V Surface Mount SC-74 21V 6 150W - Yes 4 -55 °C +150 °C