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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Beskrivning Pris 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-artikelnummer 902-6354
Tillv. art.nr1.5KE10CA-E3/54
VarumärkeVishay
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Single Bi-Directional 14.5V 9.5V 103A Through Hole 1.5KE 8.5V 10µA 2 1500W Yes 1 -55 °C
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Tillv. art.nrSMBJ24CA
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Single Bi-Directional 38.9V 26.7V 15.5A Surface Mount DO-214AA (SMB) 24V 1µA 2 600W - 1 -65 °C
RS-artikelnummer 496-2968
Tillv. art.nrB72500D0050A060
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Single Bi-Directional 19V 6.4V 30A Surface Mount SOD-523 5.6V 1µA 2 1000W Yes 1 -40 °C
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Tillv. art.nrB72500D0300H060
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Single Bi-Directional 120V 50V 1A Surface Mount SOD-523 30V 1µA 2 - Yes 1 -40 °C
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Tillv. art.nrSMBJ24CA
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Single Bi-Directional 38.9V 26.7V 15.5A Surface Mount DO-214AA (SMB) 24V 1µA 2 600W - 1 -65 °C
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Complex Array Uni-Directional 17V 6.1V 5A Surface Mount SOT-23 5.2V 150nA 6 - Yes 2 -40 °C
RS-artikelnummer 880-5525
Tillv. art.nrUSBLC6-2SC6Y
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Complex Array Uni-Directional 17V 6.1V 5A Surface Mount SOT-23 5.2V 150nA 6 - Yes 2 -40 °C
RS-artikelnummer 169-0717
Tillv. art.nrSMBT70A-13-F
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Single Uni-Directional 100V 77.8V 5.3A Surface Mount DO-214AA (SMB) 70V 5µA 2 600W - 1 -55 °C
RS-artikelnummer 902-6385
Tillv. art.nr1.5KE170CA-E3/54
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Single Bi-Directional 234V 162V 6.4A Through Hole 1.5KE 145V 1µA 2 1500W Yes 1 -55 °C
RS-artikelnummer 134-9475
Tillv. art.nrB72500D0300H060
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Single Bi-Directional 120V 50V 1A Surface Mount SOD-523 30V 1µA 2 - Yes 1 -40 °C
RS-artikelnummer 823-1779
Tillv. art.nrSMCJ33A-13-F
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Single Uni-Directional 53.3V 36.7V 28.1A Surface Mount SMC 33V 5µA 2 1500W - 1 -55 °C
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Tillv. art.nrSMBJ12A-TR
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Single Uni-Directional 25.3V 13.3V 157A Surface Mount DO-214AA (SMB) 12V 200nA 2 600W - 1 -55 °C
RS-artikelnummer 628-7691
Tillv. art.nrSMBJ24A-E3/52
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Single Uni-Directional 38.9V 26.7V 15.4A Surface Mount DO-214AA (SMB) 24V 1µA 2 600W - 1 -55 °C
RS-artikelnummer 751-5089
Tillv. art.nrSMBT70A-13-F
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Single Uni-Directional 100V 77.8V 5.3A Surface Mount DO-214AA (SMB) 70V 5µA 2 600W - 1 -55 °C
RS-artikelnummer 134-9470
Tillv. art.nrB72500D0050A060
VarumärkeEPCOS
0,584 kr
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Single Bi-Directional 19V 6.4V 30A Surface Mount SOD-523 5.6V 1µA 2 1000W Yes 1 -40 °C
RS-artikelnummer 919-6361
Tillv. art.nr1.5KE180CA
VarumärkeSTMicroelectronics
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Single Bi-Directional 317V 171V 31.5A Through Hole DO-201 154V 1µA 2 1500W - 1 -65 °C
RS-artikelnummer 486-4369
Tillv. art.nr1.5KE39CA
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Single Bi-Directional 69.7V 37.1V 143A Through Hole DO-201 33.3V 1µA 2 1500W - 1 -65 °C
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Common Anode Uni-Directional 46V 31.35V 0.87A Surface Mount SOT-23 26V 50µA 3 40W Yes 2 -55 °C
RS-artikelnummer 166-0299
Tillv. art.nrSA5.0A
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Single Uni-Directional 9.2V 6.4V 55.4A Through Hole DO-204AC 5V 600µA 2 500W - 1 -55 °C
RS-artikelnummer 751-5076
Tillv. art.nrSMBJ12A-13-F
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Single Uni-Directional 19.9V 13.3V 30.2A Surface Mount DO-214AA (SMB) 12V 5µA 2 600W - 1 -55 °C
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