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 691-0773
製造零件編號LCDA15C-8.TBT
BrandSemtech
HK$54.90
單位
Isolated Bi-Directional 33V 16.7V Surface Mount SOIC 15V 16 500W 15A Yes 8 -55 °C +125 °C
RS庫存編號 170-0826
製造零件編號LCDA15C-8.TBT
BrandSemtech
HK$55.119
個 (在毎卷:500)
單位
Isolated Bi-Directional 33V 16.7V Surface Mount SOIC 15V 16 500W 15A Yes 8 -55 °C +125 °C
RS庫存編號 691-0792
製造零件編號SM05.TCT
BrandSemtech
HK$4.27
/個 (每包:10個)
單位
Common Anode Uni-Directional 9.8V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +125 °C
RS庫存編號 170-0831
製造零件編號SM05.TCT
BrandSemtech
HK$2.729
個 (在毎卷:3000)
單位
Common Anode Uni-Directional 9.8V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +125 °C
RS庫存編號 170-0840
製造零件編號SMF05C.TCT
BrandSemtech
HK$4.055
個 (在毎卷:3000)
單位
Common Anode Uni-Directional 12.5V 6V Surface Mount SOT-363 (SC-70) 5V 6 100W 8A Yes 5 -55 °C +125 °C
RS庫存編號 691-0843
製造零件編號SMF05C.TCT
BrandSemtech
HK$4.866
/個 (每包:10個)
單位
Common Anode Uni-Directional 12.5V 6V Surface Mount SOT-363 (SC-70) 5V 6 100W 8A Yes 5 -55 °C +125 °C
RS庫存編號 691-0776
製造零件編號SDC15.TCT
BrandSemtech
HK$6.434
/個 (每包:5個)
單位
Common Cathode Uni-Directional 21.2V 14.3V Surface Mount SOT-23 12.8V 3 300W 10A Yes 2 -55 °C +125 °C
RS庫存編號 170-0813
製造零件編號RCLAMP2504P.TCT
BrandSemtech
HK$5.302
個 (在毎卷:3000)
單位
Single Uni-Directional 13V - Surface Mount SLP EP 2.5V 6 80W 5A Yes 1 -40 °C +85 °C
RS庫存編號 691-0767
製造零件編號LCDA12C-8.TBT
BrandSemtech
HK$43.25
單位
Isolated Bi-Directional 26.6V 13.3V Surface Mount SOIC 12V 16 500W 20A Yes 8 -55 °C +125 °C
RS庫存編號 691-0802
製造零件編號SM12.TCT
BrandSemtech
HK$2.898
/個 (每包:10個)
單位
Common Anode Uni-Directional 19V 13.3V Surface Mount SOT-23 12V 3 300W 12A Yes 2 -55 °C +125 °C
RS庫存編號 170-0827
製造零件編號SDC15.TCT
BrandSemtech
HK$3.89
個 (在毎卷:3000)
單位
Common Cathode Uni-Directional 21.2V 14.3V Surface Mount SOT-23 12.8V 3 300W 10A Yes 2 -55 °C +125 °C
RS庫存編號 691-0809
製造零件編號SM24.TCT
BrandSemtech
HK$3.435
/個 (每包:10個)
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Common Anode Uni-Directional 43V 26.7V Surface Mount SOT-23 24V 3 300W 12A Yes 2 -55 °C +125 °C
RS庫存編號 691-0666
製造零件編號RCLAMP0504P.TCT
BrandSemtech
HK$8.842
/個 (每包:5個)
單位
Single Uni-Directional 25V 6V Surface Mount SLP EP 5V 6 150W 6A Yes 1 -55 °C +125 °C
RS庫存編號 691-0871
製造零件編號SRDA05-6.TBT
BrandSemtech
HK$22.595
/個 (每包:2個)
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RS庫存編號 691-0760
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HK$31.63
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RS庫存編號 170-0814
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個 (在毎卷:3000)
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BrandSemtech
HK$5.456
/個 (每包:5個)
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RS庫存編號 170-0811
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BrandSemtech
HK$6.082
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