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. 815-2581
Mfr. Part No.ICTE5-E3/54
BrandVishay
MYR3.19
Each (In a Pack of 10)
units
Single Uni-Directional 7.1V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °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. 780-5385
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
MYR0.381
Each (In a Pack of 100)
units
Single Uni-Directional 18V 5V Surface Mount SOD-523 3.3V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 165-2285
Mfr. Part No.1.5KE220A-E3/54
BrandVishay
MYR2.432
Each (On a Tape of 1400)
units
Single Uni-Directional 328V 209V Through Hole 1.5KE 185V 2 1500W 4.6A - 1 -55 °C +175 °C
RS Stock No. 165-6268
Mfr. Part No.ICTE5-E3/54
BrandVishay
MYR3.072
Each (On a Tape of 1400)
units
Single Uni-Directional 7.1V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 629-5305
Mfr. Part No.1.5KE220A-E3/54
BrandVishay
MYR2.982
Each (In a Pack of 5)
units
Single Uni-Directional 328V 209V Through Hole 1.5KE 185V 2 1500W 4.6A - 1 -55 °C +175 °C
RS Stock No. 165-6164
Mfr. Part No.5KP36A-E3/54
BrandVishay
MYR8.385
Each (On a Reel of 800)
units
Single Uni-Directional 58.1V 40V Through Hole P600 36V 2 5000W 86.1A - 1 -55 °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. 815-0998
Mfr. Part No.5KP36A-E3/54
BrandVishay
MYR7.486
Each (In a Pack of 5)
units
Single Uni-Directional 58.1V 40V Through Hole P600 36V 2 5000W 86.1A - 1 -55 °C +175 °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. 816-6741
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
MYR1.18
Each (In a Pack of 50)
units
Single Uni-Directional - 4.5V Surface Mount SOD-323 3.3V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 165-8777
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
MYR0.316
Each (On a Reel of 3000)
units
Single Uni-Directional - 4.5V Surface Mount SOD-323 3.3V 2 - - Yes 1 -55 °C +150 °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. 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. 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. 166-0627
Mfr. Part No.5KP36CA
BrandLittelfuse
MYR6.878
Each (On a Reel of 800)
units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C +175 °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. 812-0203
Mfr. Part No.TPD4E001DBVR
MYR2.53
Each (In a Pack of 25)
units
Complex Array Uni-Directional 100V 11V Surface Mount SOT-23 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °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. 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