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. 122-1236
Mfr. Part No.SMCJ54A-13-F
€0.27
Each (On a Reel of 3000)
units
Single Uni-Directional 87.1V 60V 17.2A Surface Mount SMC 54V 5µA 2 1500W - 1 -55 °C
RS Stock No. 919-6352
Mfr. Part No.RBO40-40G
€2.339
Each (In a Tube of 50)
units
- - 40V 24V 20 A, 37.5 A Surface Mount D2PAK (TO-263) - - 3 - - - -40 °C
RS Stock No. 687-3116
Mfr. Part No.SMAJ12A R3
€0.138
Each (In a Pack of 25)
units
Single Uni-Directional 19.9V 13.3V 20.1A Surface Mount DO-214AC (SMA) 12V 5µA 2 - Yes 1 -55 °C
RS Stock No. 486-0115
Mfr. Part No.BZW06-15B
€0.396
Each (In a Pack of 10)
units
Single Bi-Directional 32.5V 17.1V 123A Through Hole DO-15 15.3V 1µA 2 600W - 1 -65 °C
RS Stock No. 764-5685
Mfr. Part No.SMCJ350CA
BrandLittelfuse
€0.81
Each (In a Pack of 5)
units
Single Bi-Directional 567V 391V 2.6A Surface Mount DO-214AB (SMC) 350V 1µA 2 1500W - 1 -65 °C
RS Stock No. 877-2813
Mfr. Part No.RBO40-40G-TR
€2.77
Each (In a Pack of 5)
units
Single Bi-Directional, Uni-Directional 40V 22V 37.5A Surface Mount D2PAK (TO-263) 20V 100µA 3 1500W - 1 -40 °C
RS Stock No. 248-805
Mfr. Part No.ESDA6V1BC6
€0.248
Each (In a Pack of 10)
units
Complex Array Bi-Directional - 6.1V - Surface Mount SOT-23 5V 1µA 6 80W Yes 4 -40 °C
RS Stock No. 165-6314
Mfr. Part No.VBUS05L1-DD1-G-08
BrandVishay
€0.086
Each (On a Reel of 8000)
units
Dual Bi-Directional 14V 7V 2A Surface Mount LLP1006 5.5V 50nA 2 34W Yes 2 -40 °C
RS Stock No. 714-7197
Mfr. Part No.SMBJ30CA-TR
€0.248
Each (In a Pack of 25)
units
Single Bi-Directional 64.3V 33.3V 62A Surface Mount DO-214AA (SMB) 30V 200nA 2 600W - 1 -55 °C
RS Stock No. 166-1980
Mfr. Part No.SMBJ30CA
€0.086
Each (On a Reel of 3000)
units
Single Bi-Directional 48.4V 33.3V 12.4A Surface Mount DO-214AA (SMB) 30V 1µA 2 600W - 1 -65 °C
RS Stock No. 786-2943
Mfr. Part No.ESD9P5.0ST5G
€0.10
Each (In a Pack of 50)
units
Single Uni-Directional 9.8V 5.8V 1A Surface Mount SOD-923 5V 1µA 2 0.15W Yes 1 -55 °C
RS Stock No. 773-4558
Mfr. Part No.CDNBS08-PLC03-6
BrandBourns
€0.92
Each (In a Pack of 5)
units
Complex Array Uni-Directional 20V 6.8V 100A Surface Mount SOIC 6V 25µA 8 2000W Yes 5 -55 °C
RS Stock No. 918-9395
Mfr. Part No.5KP24A-E3
BrandVishay
€1.619
Each (On a Reel of 800)
units
Single Uni-Directional 38.9V 26.7V 129A Through Hole P600 24V 2µA 2 5000W - 1 -55 °C
RS Stock No. 919-6545
Mfr. Part No.BZW50-56
€0.78
Each (In a Bag of 100)
units
Single Uni-Directional 129V 62.2V 465A Through Hole R 6 56V 5µA 2 5000W - 1 -65 °C
RS Stock No. 806-1961
Mfr. Part No.P6KE18CA
€0.273
Each (In a Pack of 20)
units
Single Bi-Directional 25.2V 17.1V 24A Through Hole DO-15 15.3V 5µA 2 600W - 1 -
RS Stock No. 919-0290
Mfr. Part No.SMAJ5.0A-E3/5A
BrandVishay
€0.068
Each (On a Reel of 7500)
units
Single Uni-Directional 9.2V 6.4V 43.5A Surface Mount DO-214AC (SMA) 5V 800µA 2 400W - 1 -55 °C
RS Stock No. 714-7018
Mfr. Part No.BZW50-12B
€2.475
Each (In a Pack of 2)
units
Single Bi-Directional 28V 13.3V 2143A Through Hole R 6 12V 5µA 2 5000W - 1 -65 °C
RS Stock No. 518-0779
Mfr. Part No.SMCJ28A-E3/57T
BrandVishay
€0.429
Each (In a Pack of 10)
units
Single Uni-Directional 45.4V 31.1V 33A Surface Mount SMC 28V 1µA 2 1500W - 1 -55 °C
RS Stock No. 166-1436
Mfr. Part No.PESD3V3S2UAT,215
BrandNexperia
€0.037
Each (On a Reel of 3000)
units
Common Cathode Uni-Directional 20V 5.2V 18A Surface Mount SOT-23 (TO-236AB) 3.3V 2µA 3 330W Yes 2 -65 °C
RS Stock No. 919-6368
Mfr. Part No.1.5KE15CA
€0.302
Each (In a Bag of 600)
units
Single Bi-Directional 27.2V 14.3V 368A Through Hole DO-201 12.8V 1µA 2 1500W - 1 -65 °C
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