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 Prix 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
N° de stock RS 156-285
Référence fabricantEZAEG2A50AX
MarquePanasonic
0,133 €
Each (In a Pack of 500)
Unité
Single - - - - Surface Mount 0402 (1005M) - - 2 - - 1 -55 °C
N° de stock RS 919-0626
Référence fabricantEZAEG2A50AX
MarquePanasonic
0,076 €
Each (On a Reel of 10000)
Unité
Single - - - - Surface Mount 0402 (1005M) - - 2 - - 1 -55 °C
N° de stock RS 919-0635
Référence fabricantEZAEG3A50AV
MarquePanasonic
0,095 €
Each (On a Tape of 5000)
Unité
Single - - - - Surface Mount - - - - - - 1 -
N° de stock RS 712-5822
Référence fabricantDZ2S180C0L
MarquePanasonic
0,248 €
Each (In a Pack of 20)
Unité
Single - - - - Surface Mount SSMini2 F5 B - 15nA 2 - - 1 -
N° de stock RS 168-3673
Référence fabricantDZ2S180C0L
MarquePanasonic
0,082 €
Each (On a Reel of 3000)
Unité
Single - - - - Surface Mount SSMini2 F5 B - 15nA 2 - - 1 -
N° de stock RS 156-291
Référence fabricantEZAEG3A50AV
MarquePanasonic
0,162 €
Each (In a Pack of 250)
Unité
Single - - - - Surface Mount - - - - - - 1 -