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. 178-7420
Mfr. Part No.SMAJ58CA-TR
MYR0.517
Each (On a Reel of 5000)
units
Single Bi-Directional 121V 64.4V Surface Mount DO-214AC (SMA) 58V 2 400W 19A Yes 1 -55 °C +150 °C
RS Stock No. 714-7121
Mfr. Part No.SMAJ58CA-TR
MYR1.491
Each (In a Pack of 25)
units
Single Bi-Directional 121V 64.4V Surface Mount DO-214AC (SMA) 58V 2 400W 19A Yes 1 -55 °C +150 °C
RS Stock No. 919-6400
Mfr. Part No.1.5KE68CA
MYR1.974
Each (In a Bag of 600)
units
Single Bi-Directional 121V 64.6V Through Hole DO-201 58V 2 1500W 83A - 1 -65 °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. 486-4432
Mfr. Part No.1.5KE68CA
MYR3.938
Each (In a Pack of 5)
units
Single Bi-Directional 121V 64.6V Through Hole DO-201 58V 2 1500W 83A - 1 -65 °C +175 °C
RS Stock No. 486-4173
Mfr. Part No.1.5KE15A
MYR2.101
Each (In a Pack of 10)
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. 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. 250-195
Mfr. Part No.HDMIULC6-4SC6
MYR2.64
Each (In a Pack of 5)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - - Yes 4 -55 °C +125 °C
RS Stock No. 920-6288
Mfr. Part No.HDMIULC6-4SC6
MYR0.883
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - - Yes 4 -55 °C +125 °C
RS Stock No. 920-6266
Mfr. Part No.USBLC6-2SC6
MYR0.666
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 624-7693
Mfr. Part No.USBLC6-2SC6
MYR1.659
Each (In a Pack of 10)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 168-6860
Mfr. Part No.BZW06-19B
MYR0.879
Each (On a Tape of 1000)
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. 486-4410
Mfr. Part No.1.5KE62CA
MYR3.436
Each (In a Pack of 5)
units
Single Bi-Directional 111V 58.9V Through Hole 1.5KE 53V 2 1500W 90A - 1 -65 °C +175 °C
RS Stock No. 168-7201
Mfr. Part No.SM4T47CAY
MYR1.326
Each (On a Reel of 5000)
units
Single Bi-Directional 84V 44.4V Surface Mount DO-214AC (SMA) 40V 2 400W 27A - 1 -55 °C +150 °C
RS Stock No. 250-707
Mfr. Part No.KBMF01SC6
MYR5.386
Each (In a Pack of 5)
units
Complex Array - - 6V Surface Mount SOT-23 - 6 - - Yes 2 0 °C +70 °C
RS Stock No. 166-1110
Mfr. Part No.KBMF01SC6
MYR2.55
Each (On a Reel of 1000)
units
Complex Array - - 6V Surface Mount SOT-23 - 6 - - Yes 2 0 °C +70 °C
RS Stock No. 919-6406
Mfr. Part No.1.5KE62CA
MYR1.565
Each (In a Bag of 600)
units
Single Bi-Directional 111V 58.9V Through Hole 1.5KE 53V 2 1500W 90A - 1 -65 °C +175 °C
RS Stock No. 795-7366
Mfr. Part No.SM4T47CAY
MYR2.92
Each (In a Pack of 25)
units
Single Bi-Directional 84V 44.4V Surface Mount DO-214AC (SMA) 40V 2 400W 27A - 1 -55 °C +150 °C
RS Stock No. 624-7687
Mfr. Part No.USBLC6-2P6
MYR1.985
Each (In a Pack of 10)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-666 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 791-7902
Mfr. Part No.STRVS280X02F
MYR2.85
Each (In a Pack of 50)
units
Single Uni-Directional 280V 209V Through Hole DO-201 188V 2 - 2A - 1 -55 °C +175 °C