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).

TVS diodes are offered in both through hole and surface mount packages. They 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.

What are the benefits of using transient voltage suppressor diodes?

TVS diodes 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, lightning strikes, EFT (electrical fast transients) and the ESD (electrostatic discharge) created by data lines and electronic circuits.

What do I need 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 - This is the operating voltage that the data or power line should not exceed.
  • Breakdown voltage - This 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 high than the reverse standoff voltage

Applications:

TVS diodes have numerous applications but are well suited 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. 166-0130
Mfr. Part No.PTVS3V3P1UTP,115
BrandNexperia
€0.111
Each (On a Reel of 3000)
units
Single Uni-Directional 8V 5.2V 75A Surface Mount SOD-128 3.3V 600µA 2 600W Yes 1 -55 °C
RS Stock No. 110-7131
Mfr. Part No.ESD114U102ELE6327XTMA1
BrandInfineon
€0.098
Each (In a Pack of 100)
units
Single Uni-Directional 28V 6V - Surface Mount TSLP - 100nA 2 - Yes 1 -55 °C
RS Stock No. 182-7295
Mfr. Part No.D4V5H1U2LP1610-7
€0.109
Each (In a Pack of 100)
units
Single Uni-Directional 11.5V 5.5V 90A Surface Mount U-DFN1610 4.5V 1µA 2 500mW Yes 1 -55 °C
RS Stock No. 903-5743
Mfr. Part No.SMAJ16A
€0.05
Each (On a Reel of 5000)
units
Single Uni-Directional 26V 17.8V 15.3A Surface Mount DO-214AC (SMA) 16V 5µA 2 400W - 1 -55 °C
RS Stock No. 168-7199
Mfr. Part No.SM6T56AY
€0.188
Each (On a Reel of 2500)
units
Single Uni-Directional 100V 53.2V 40A Surface Mount DO-214AA (SMB) 47.6V 1µA 2 600W - 1 -55 °C
RS Stock No. 687-2968
Mfr. Part No.P6SMB200CA R5
€0.192
Each (In a Pack of 20)
units
Single Bi-Directional 274V 190V 2.2A Surface Mount DO-214AA (SMB) 171V 5µA 2 600W - 1 -65 °C
RS Stock No. 792-5394
Mfr. Part No.1SMB26AT3G
BrandLittelfuse
€0.092
Each (On a Tape of 20)
units
Single Uni-Directional 42.1V 28.9V 14.2A Surface Mount DO-214AA (SMB) 26V 5µA 2 600W Yes 1 -65 °C
RS Stock No. 165-6520
Mfr. Part No.SM6T15AY
€0.183
Each (On a Reel of 2500)
units
Single Uni-Directional 27.2V 14.3V 147A Surface Mount DO-214AA (SMB) 12.8V 1µA 2 600W - 1 -55 °C
RS Stock No. 171-4236
Mfr. Part No.SMDJ40A
BrandLittelfuse
€0.625
Each (In a Pack of 10)
units
Single Uni-Directional 64.5V 44.4V 46.5A Surface Mount DO-214AB (SMC) 40V 2µA 2 3000W Yes 1 -65 °C
RS Stock No. 166-1913
Mfr. Part No.SMBJ24CA
€0.101
Each (On a Reel of 3000)
units
Single Bi-Directional 38.9V 26.7V 15.5A Surface Mount DO-214AA (SMB) 24V 1µA 2 600W - 1 -65 °C
RS Stock No. 171-6734
Mfr. Part No.15KPA36CA
BrandLittelfuse
€7.35
Each (On a Reel of 800)
units
Single Bi-Directional 59.8V 40.2V 252.5A Through Hole P600 36V 2µA 2 15000W Yes 1 -55 °C
RS Stock No. 171-4156
Mfr. Part No.SMCJ200CA
BrandLittelfuse
€0.31
Each (On a Reel of 3000)
units
Single Bi-Directional 324V 224V 4.6A Surface Mount DO-214AB (SMC) 200V 1µA 2 1500W Yes 1 -65 °C
RS Stock No. 903-5907
Mfr. Part No.SMBJ60A
€0.06
Each (On a Reel of 3000)
units
Single Uni-Directional 96.8V 66.7V 6.2A Surface Mount DO-214AA (SMB) 60V 5µA 2 600W - 1 -55 °C
RS Stock No. 165-6525
Mfr. Part No.SM30T28AY
€0.733
Each (On a Reel of 2500)
units
Single Uni-Directional 43.9V 26.7V 630A Surface Mount DO-214AB (SMC) 24V 200nA 2 3000W - 1 -55 °C
RS Stock No. 795-8436
Mfr. Part No.SM2T18A
€0.463
Each (In a Pack of 10)
units
Single Uni-Directional 26V 17.1V 7A Surface Mount DO-216AA 16V 1µA 2 200W Yes 1 -
RS Stock No. 159-6568
Mfr. Part No.ICTE12C-E3/54
BrandVishay
€0.59
Each (On a Tape of 1400)
units
Single Bi-Directional 16.7V 14.1V 70A Through Hole 1.5KE 12V 2µA 2 1500W - 1 -55 °C
RS Stock No. 486-4656
Mfr. Part No.P6KE33CA
€0.355
Each (In a Pack of 10)
units
Single Bi-Directional 59V 31.4V 68A Through Hole DO-15 28.2V 1µA 2 600W - 1 -65 °C
RS Stock No. 786-4652
Mfr. Part No.SZ1SMB7.5AT3G
BrandLittelfuse
€0.193
Each (In a Pack of 10)
units
Single Uni-Directional 12.9V 8.33V 46.5A Surface Mount DO-214AA (SMB) 7.5V 100µA 2 600W Yes 1 -65 °C
RS Stock No. 805-8713
Mfr. Part No.SZSMF24AT1G
BrandLittelfuse
€0.349
Each (In a Pack of 50)
units
Single Uni-Directional 38.9V 26.7V 5.1A Surface Mount SOD-123 FL 24V 1µA 2 200W Yes 1 -55 °C
RS Stock No. 918-9562
Mfr. Part No.SMCJ28CA-E3/57T
BrandVishay
€0.236
Each (On a Reel of 850)
units
Single Bi-Directional 45.4V 31.1V 33A Surface Mount SMC 28V 1µA 2 1500W - 1 -55 °C
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