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 162-3807
製造零件編號82400274
HK$5.273
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Complex Array Uni-Directional 9V 6V Surface Mount SOT-363 (SC-70) 5V 6 - 6A Yes 4 -55 °C +85 °C
RS庫存編號 754-6216
製造零件編號82400274
HK$8.30
/個 (每包:5個)
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Complex Array Uni-Directional 9V 6V Surface Mount SOT-363 (SC-70) 5V 6 - 6A Yes 4 -55 °C +85 °C
RS庫存編號 921-7692
製造零件編號824520511
HK$2.519
/個 (每包:25個)
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Single Uni-Directional 82.4V 59.7V Surface Mount DO-214AA (SMB) - 2 600W 7.3A - 1 -65 °C +150 °C
RS庫存編號 162-3808
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單位
Complex Array Uni-Directional 8.5V 6.1V Surface Mount SOT-23 5V 5 - 12A Yes 2 -55 °C +125 °C
RS庫存編號 921-7761
製造零件編號824541111
HK$6.439
/個 (每包:10個)
單位
Single Bi-Directional 18.2V 12.85V Surface Mount DO-214AB (SMC) - 2 1500W 82.5A - 1 -65 °C +150 °C
RS庫存編號 921-7702
製造零件編號824520541
HK$2.519
/個 (每包:25個)
單位
Single Uni-Directional 87.1V 63.15V Surface Mount DO-214AA (SMB) - 2 600W 6.9A - 1 -65 °C +150 °C
RS庫存編號 162-4016
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HK$5.047
個 (在毎卷:500)
單位
Single Bi-Directional 58.1V 42.1V Surface Mount DO-214AB (SMC) - 2 1500W 25.9A - 1 -65 °C +150 °C
RS庫存編號 162-3950
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HK$1.97
個 (在毎卷:500)
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Single Bi-Directional 9.2V 6.7V Surface Mount DO-214AA (SMB) - 2 600W 65.3A - 1 -65 °C +150 °C
RS庫存編號 144-9859
製造零件編號82306050029
HK$4.694
個 (在毎卷:5000)
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Single - 30V - Surface Mount SMD 5V 2 - - Yes 1 -40 °C +85 °C
RS庫存編號 162-3819
製造零件編號82402304
HK$4.136
個 (在毎卷:3000)
單位
Common Anode Uni-Directional 6.8V 6V Surface Mount SOT-23 5V 6 - 6A Yes 4 -55 °C +85 °C
RS庫存編號 921-7339
製造零件編號824501401
HK$2.117
/個 (每包:50個)
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Single Bi-Directional 64.5V 46.75V Surface Mount DO-214AC (SMA) - 2 400W 6.2A - 1 -65 °C +150 °C
RS庫存編號 162-3809
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HK$6.39
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Complex Array Uni-Directional 9V 6.1V Surface Mount SOT-143 5V 4 - 12A Yes 2 -55 °C +125 °C
RS庫存編號 162-3861
製造零件編號824501121
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個 (在毎卷:1000)
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Single Bi-Directional 19.9V 14V Surface Mount DO-214AC (SMA) - 2 400W 20.1A - 1 -65 °C +150 °C
RS庫存編號 146-0104
製造零件編號824520241
HK$1.97
個 (在毎卷:500)
單位
Single Uni-Directional 38.9V 28.1V Surface Mount DO-214AA (SMB) - 2 600W 15.5A - 1 -65 °C +150 °C
RS庫存編號 921-7250
製造零件編號824550851
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/個 (每包:10個)
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Single Uni-Directional 137V 99.2V Surface Mount DO-214AB (SMC) - 2 3000W 300A - 1 -65 °C +150 °C
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/個 (每包:10個)
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Single Bi-Directional 137V 99.2V Surface Mount DO-214AB (SMC) - 2 3000W 21.9A - 1 -65 °C +150 °C
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HK$2.519
/個 (每包:25個)
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Single Bi-Directional 42.1V 30.4V Surface Mount DO-214AA (SMB) - 2 600W 14.3A - 1 -65 °C +150 °C
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/個 (每包:10個)
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Single Bi-Directional 82.4V 59.7V Surface Mount DO-214AB (SMC) - 2 1500W 18.2A - 1 -65 °C +150 °C
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Complex Array Uni-Directional 6V 4.5V Surface Mount SOT-23 3.3V 6 - 12A Yes 4 -55 °C +125 °C
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Single Uni-Directional 96.8V 70.2V Surface Mount DO-214AB (SMC) - 2 3000W 300A - 1 -65 °C +150 °C