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. 168-8616
Mfr. Part No.SMP1100SCMC
€0.41
Each (On a Reel of 2500)
units
Single Bi-Directional - 110V 500A Surface Mount DO-214AA (SMB) 90V 5µA 2 - - 1 -40 °C
RS Stock No. 486-4785
Mfr. Part No.SM15T200A
€0.106
Each (In a Pack of 5)
units
Single Uni-Directional 353V 190V 28A Surface Mount SMC 171V 1µA 2 1500W - 1 -55 °C
RS Stock No. 151-3167
Mfr. Part No.PESD5V0R1BSFYL
BrandNexperia
€0.225
Each (In a Pack of 50)
units
Dual Bi-Directional 5V 6V 4.5A Surface Mount DSN0603 5V 50nA 2 - Yes 2 -40 °C
RS Stock No. 165-5653
Mfr. Part No.SMP0900SCMC
€0.131
Each (On a Reel of 2500)
units
Single Bi-Directional - 90V 500A Surface Mount DO-214AA (SMB) 75V 5µA 2 - - 1 -40 °C
New
RS Stock No. 192-4771
Mfr. Part No.SMB6F16AY
€0.107
Each (On a Reel of 5000)
units
Single Uni-Directional 26 V, 34.7 V 17.9V 23.1 A, 115 A Surface Mount SMB Flat (DO221-AA) 16V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 171-3890
Mfr. Part No.SP4021-01FTG
BrandLittelfuse
€0.183
Each (On a Reel of 3000)
units
Array Uni-Directional 19.6V 6.3V 25A Surface Mount SOD-323 5V 500nA 2 600W Yes 3 -40 °C
RS Stock No. 486-1130
Mfr. Part No.P6KE6V8CA
€0.399
Each (In a Pack of 10)
units
Single Bi-Directional 13.4V 6.45V 298A Through Hole DO-15 5.8V 1mA 2 600W - 1 -65 °C
RS Stock No. 178-7462
Mfr. Part No.LCP154DJF
€1.143
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - - 500A Surface Mount PowerFLAT - 50µA 12 - Yes 2 -55 °C
RS Stock No. 168-6158
Mfr. Part No.P6KE440A
€0.172
Each (On a Tape of 1000)
units
Single Uni-Directional 776V 418V 5.2A Through Hole DO-15 376V 1µA 2 600W - 1 -65 °C
RS Stock No. 170-0825
Mfr. Part No.SD05C.TCT
BrandSemtech
€0.291
Each (On a Reel of 3000)
units
Single Bi-Directional 14.5V 6V 24A Surface Mount SOD-323 5V 10µA 2 350W Yes 1 -55 °C
RS Stock No. 918-9391
Mfr. Part No.5KP15A-E3
BrandVishay
€1.619
Each (On a Reel of 800)
units
Single Uni-Directional 24.4V 16.7V 205A Through Hole P600 15V 2µA 2 5000W - 1 -55 °C
RS Stock No. 687-3273
Mfr. Part No.SMAJ45CA R3
€0.357
Each (In a Pack of 20)
units
Single Bi-Directional 72.7V 50V 5.5A Surface Mount DO-214AC (SMA) 45V 5µA 2 - Yes 1 -55 °C
RS Stock No. 902-6357
Mfr. Part No.1.5KE110A-E3/54
BrandVishay
€0.431
Each (In a Pack of 10)
units
Single Uni-Directional 152V 105V 9.9A Through Hole 1.5KE 94V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 543-8703
Mfr. Part No.P6KE56A
€0.106
Each (In a Pack of 5)
units
Single Uni-Directional 77V 53.2V 7.8A Through Hole DO-15 47.8V 5µA 2 600W - 1 -65 °C
RS Stock No. 921-7339
Mfr. Part No.824501401
€0.205
Each (In a Pack of 50)
units
Single Bi-Directional 64.5V 46.75V 6.2A Surface Mount DO-214AC (SMA) - 1µA 2 400W - 1 -65 °C
RS Stock No. 764-5625
Mfr. Part No.SMBJ36A
BrandLittelfuse
€0.047
Each (In a Pack of 10)
units
Single Uni-Directional 58.1V 40V 10.4A Surface Mount DO-214AA (SMB) 36V 1µA 2 600W - 1 -65 °C
RS Stock No. 165-8427
Mfr. Part No.D5V0F1U2LP3-7
€0.065
Each (On a Reel of 10000)
units
Single Uni-Directional 12V 6V 1.5A Surface Mount X3-DFN0603 5.5V 100nA 2 0.25W Yes 3 -65 °C
RS Stock No. 754-6196
Mfr. Part No.82307050029
€0.614
Each (In a Pack of 5)
units
Single - 17V - - Surface Mount 0402 (1005M) 5V 50nA 2 - Yes 1 -40 °C
RS Stock No. 725-8726
Mfr. Part No.PRTR5V0U2AX,215
BrandNexperia
€0.376
Each (In a Pack of 20)
units
Complex Array Uni-Directional - 6V - Surface Mount SOT-143B 5.5V 100µA 4 - Yes 2 -40 °C
RS Stock No. 812-0058
Mfr. Part No.P6SMB10CA-E3/52
BrandVishay
€0.302
Each (On a Tape of 20)
units
Single Bi-Directional 14.5V 9.5V 41.4A Surface Mount DO-214AA (SMB) 8.5V 10µA 2 600W - 1 -65 °C
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