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 Mounting Type Package Type Maximum Reverse Stand-off Voltage Pin Count Peak Pulse Power Dissipation Maximum Peak Pulse Current ESD Protection Number of Elements per Chip Minimum Operating Temperature Maximum Operating Temperature
RS庫存編號 628-7714
製造零件編號SMCJ5.0A-E3/57T
BrandVishay
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/個 (每包:5個)
單位
Single Uni-Directional 9.2V 6.4V Surface Mount SMC 5V 2 1500W 163A - 1 -55 °C +150 °C
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BrandVishay
HK$3.13
/個 (每包:20個)
單位
Single Uni-Directional 13.6V 8.89V Through Hole DO-204AC 8V 2 500W 36.8A - 1 -55 °C +175 °C
RS庫存編號 919-6374
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Single Bi-Directional - 5.8V Surface Mount SOD-523 5V 2 50W 30A Yes 1 -55 °C +150 °C
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Common Anode Bi-Directional 66V 35.6V Surface Mount SOT-23 - 3 350W 8A Yes 1 -55 °C +150 °C
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製造零件編號BZW06-5V8
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BrandNexperia
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Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 1500W 28.2A - 1 -65 °C +150 °C
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Single Bi-Directional 223V 144V Surface Mount DO-214AC (SMA) 130V 2 600W 15A - 1 -55 °C +175 °C
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BrandBourns
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/個 (每包:25個)
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BrandNexperia
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