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. 162-1540
Mfr. Part No.SMBJ36D-M3/H
BrandVishay
MYR1.07
Each (In a Pack of 25)
units
- Uni-Directional 57.3V 40.6V Surface Mount DO-214AA (SMB) 36V 2 600W 10.5A - - -55 °C +150 °C
RS Stock No. 902-6414
Mfr. Part No.1.5KE39CA-E3/54
BrandVishay
MYR2.492
Each (In a Pack of 10)
units
Single Bi-Directional 53.9V 37.1V Through Hole 1.5KE 33.3V 2 1500W 27.8A Yes 1 -55 °C +175 °C
RS Stock No. 183-1544
Mfr. Part No.CD-LAB9
BrandBourns
MYR245.90
Each
units
- Bi-Directional, Uni-Directional - - - DO-214AB (SMC) 150V - - - Yes - - -
RS Stock No. 187-1417
Mfr. Part No.CDSOT23-T15C-Q
BrandBourns
MYR0.798
Each (On a Reel of 3000)
units
Array Bi-Directional 24V 16.7V Surface Mount SOT-323 15V 3 - 15A Yes 2 -55 °C +150 °C
RS Stock No. 171-3863
Mfr. Part No.SMDJ60CA
BrandLittelfuse
MYR4.419
Each (On a Reel of 3000)
units
Single Bi-Directional 96.8V 66.7V Surface Mount DO-214AB (SMC) 60V 2 3000W 31A Yes 1 -65 °C +150 °C
RS Stock No. 795-6935
Mfr. Part No.SMAJ70CA-TR
MYR1.38
Each (In a Pack of 50)
units
Single Bi-Directional 146V 77.8V Surface Mount DO-214AC (SMA) 70V 2 400W 16A - 1 -55 °C +150 °C
RS Stock No. 146-0655
Mfr. Part No.CD143A-SR70
BrandBourns
MYR1.915
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 7V 85V Surface Mount SOT-143 70V 4 - 24A Yes 4 -55 °C +150 °C
RS Stock No. 169-9105
Mfr. Part No.P6KE22CA R0
MYR1.09
Each (On a Tape of 3500)
units
Single Bi-Directional 30.6V 20.9V Through Hole DO-15 18.8V 2 600W 20A - 1 -55 °C +175 °C
RS Stock No. 903-5452
Mfr. Part No.1.5KE36A
MYR0.418
Each (On a Tape of 1200)
units
Single Uni-Directional 49.9V 34.2V Through Hole DO-201 30.8V 2 1500W 30A - 1 -55 °C +150 °C
RS Stock No. 103-8111
Mfr. Part No.PRTR5V0U4D,125
BrandNexperia
MYR0.673
Each (On a Reel of 3000)
units
Complex Array - - - - - - - - - - 4 - -
RS Stock No. 795-8969
Mfr. Part No.ITA6V1U1RL
MYR8.34
Each (On a Tape of 5)
units
Common Anode Bi-Directional 12V 6.51V Surface Mount SOIC 5V 8 300W 25A Yes 6 - +125 °C
RS Stock No. 170-0822
Mfr. Part No.LCDA15C-6.TBT
BrandSemtech
MYR10.776
Each (On a Reel of 500)
units
Complex Array Bi-Directional 33V 16.7V Surface Mount SOIC 15V 8 500W 15A Yes 6 -55 °C +125 °C
RS Stock No. 795-7483
Mfr. Part No.SM6T18CAY
MYR3.254
Each (In a Pack of 25)
units
Single Bi-Directional 32.5V 17.1V Surface Mount DO-214AA (SMB) 15.3V 2 600W 123A - 1 -55 °C +150 °C
RS Stock No. 174-2487
Mfr. Part No.CDSOD323-T03SC
BrandBourns
MYR1.021
Each (On a Reel of 3000)
units
Single Bi-Directional 8V 4V Surface Mount SOD-323 - 2 400W 43A Yes 1 -55 °C +150 °C
RS Stock No. 184-1094
Mfr. Part No.SM05T1G
MYR0.246
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 9.8V 6.2V Surface Mount SOT-23 - 3 300W 17A Yes 2 -55 °C +150 °C
New
RS Stock No. 219-0055
Mfr. Part No.P6SMB27AHM3_A/H
BrandVishay
MYR1.134
Each (In a Pack of 50)
units
Single Bi-Directional, Uni-Directional 37.5V 25.7V Surface Mount DO-214AA (SMB) - 2 600W - - 1 - -
RS Stock No. 182-7440
Mfr. Part No.D3V3F4U10LP-7
MYR1.09
Each (In a Pack of 50)
units
Array Uni-Directional 5V 5.5V Surface Mount U-DFN2510 - 10 350mW 5A Yes 4 -55 °C +150 °C
RS Stock No. 182-7464
Mfr. Part No.D5V0S1B2LP-7B
MYR0.417
Each (In a Pack of 100)
units
Single Bi-Directional 11V 6V Surface Mount X1-DFN1006 - 2 250mW 40A Yes 1 -65 °C +150 °C
RS Stock No. 791-8908
Mfr. Part No.PESD24VS1UA,115
BrandNexperia
MYR1.26
Each (In a Pack of 75)
units
Single Uni-Directional 70V 26.5V Surface Mount SOD-323 24V 2 160W 3A Yes 1 -65 °C +150 °C
RS Stock No. 192-4749
Mfr. Part No.SMA6F33A
MYR0.383
Each (On a Reel of 10000)
units
Single Uni-Directional 69.7V 36.7V Surface Mount SMA Flat 33V 2 600W 57A Yes 1 -55 °C +175 °C