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 156-285
Tillv. art.nrEZAEG2A50AX
VarumärkePanasonic
1,375 kr
Each (In a Pack of 500)
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Single - - - - Surface Mount 0402 (1005M) - - 2 - - 1 -55 °C
RS-artikelnummer 919-0626
Tillv. art.nrEZAEG2A50AX
VarumärkePanasonic
0,786 kr
Each (On a Reel of 10000)
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Single - - - - Surface Mount 0402 (1005M) - - 2 - - 1 -55 °C
RS-artikelnummer 919-0635
Tillv. art.nrEZAEG3A50AV
VarumärkePanasonic
0,982 kr
Each (On a Tape of 5000)
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Single - - - - Surface Mount - - - - - - 1 -
RS-artikelnummer 156-291
Tillv. art.nrEZAEG3A50AV
VarumärkePanasonic
1,67 kr
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Single - - - - Surface Mount - - - - - - 1 -
RS-artikelnummer 168-3673
Tillv. art.nrDZ2S180C0L
VarumärkePanasonic
0,827 kr
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Single - - - - Surface Mount SSMini2 F5 B - 15nA 2 - - 1 -
RS-artikelnummer 712-5822
Tillv. art.nrDZ2S180C0L
VarumärkePanasonic
2,342 kr
Each (In a Pack of 20)
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Single - - - - Surface Mount SSMini2 F5 B - 15nA 2 - - 1 -