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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Omschrijving Prijs 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-stocknr. 508-462
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0,255 €
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Series Bi-Directional 41V 26.2V 5A Surface Mount SOT-23 (TO-236AB) 24V 10nA 3 230W Yes 2 -65 °C
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0,152 €
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Complex Array Uni-Directional - 6V - Surface Mount SOT-143B 5.5V 100µA 4 - Yes 2 -40 °C
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0,259 €
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Common Anode Uni-Directional 20V 5.2V 15A Surface Mount SOT-663 3.3V 3µA 3 150W Yes 2 -65 °C
RS-stocknr. 166-1554
FabrikantnummerPESD3V3S2UQ,115
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Common Anode Uni-Directional 20V 5.2V 15A Surface Mount SOT-663 3.3V 3µA 3 150W Yes 2 -65 °C
RS-stocknr. 725-8720
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0,374 €
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Complex Array Uni-Directional - 6V - Surface Mount SOT-143B 5.5V 100µA 4 - Yes 2 -40 °C
RS-stocknr. 166-0141
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FabrikantNexperia
0,108 €
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Single Uni-Directional 19.9V 13.3V 20.1A Surface Mount SOD-123W 12V 2.5µA 2 400W Yes 1 -55 °C
RS-stocknr. 791-8977
FabrikantnummerPTVS12VS1UR,115
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0,302 €
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Single Uni-Directional 19.9V 13.3V 20.1A Surface Mount SOD-123W 12V 2.5µA 2 400W Yes 1 -55 °C
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Single Uni-Directional 27V 13.3V 22.5A Surface Mount SOD-323 12V 100nA 2 600W Yes 1 -55 °C
RS-stocknr. 816-6931
FabrikantnummerPRTR5V0U2F,115
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0,335 €
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Complex Array Uni-Directional - 6V - Surface Mount SOT-886 5.5V 100nA 6 - Yes 2 -40 °C
RS-stocknr. 508-737
FabrikantnummerPESD5V0S1BA,115
FabrikantNexperia
0,291 €
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Single Bi-Directional 14V 5.5V 12A Surface Mount SOD-323 5V 100nA 2 130W Yes 1 -65 °C
RS-stocknr. 508-860
FabrikantnummerPESD1CAN,215
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Series Bi-Directional 70V 25.4V 3A Surface Mount SOT-23 (TO-236AB) 24V 50nA 3 200W Yes 2 -65 °C
RS-stocknr. 124-2381
FabrikantnummerPESD5V0S1BA,115
FabrikantNexperia
0,086 €
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Single Bi-Directional 14V 5.5V 12A Surface Mount SOD-323 5V 100nA 2 130W Yes 1 -65 °C
RS-stocknr. 166-0270
FabrikantnummerPESD5V0S1BL,315
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Single Bi-Directional 14V 5.5V 12A Surface Mount SOD-882 5V 100µA 2 130W Yes 1 -65 °C
RS-stocknr. 165-8483
FabrikantnummerPRTR5V0U2F,115
FabrikantNexperia
0,119 €
Each (On a Reel of 5000)
Aantal stuks
Complex Array Uni-Directional - 6V - Surface Mount SOT-886 5.5V 100nA 6 - Yes 2 -40 °C
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FabrikantnummerPTVS18VS1UR,115
FabrikantNexperia
0,302 €
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Single Uni-Directional 29.2V 20V 13.7A Surface Mount SOD-123 18V 100nA 2 400W Yes 1 -55 °C
RS-stocknr. 166-1420
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FabrikantNexperia
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Single Uni-Directional 20V 5.2V 18A Surface Mount SOD-523 3.3V 2µA 2 330W Yes 1 -65 °C
RS-stocknr. 509-386
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FabrikantNexperia
0,265 €
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Single Uni-Directional 20V 5.2V 18A Surface Mount SOD-523 3.3V 2µA 2 330W Yes 1 -65 °C
RS-stocknr. 165-9952
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FabrikantNexperia
0,108 €
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Single Uni-Directional 29.2V 20V 13.7A Surface Mount SOD-123 18V 100nA 2 400W Yes 1 -55 °C
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Single Uni-Directional 9V 5.8V 2A Surface Mount SOD-523 5.5V 100nA 2 - Yes 1 -55 °C
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Single Bi-Directional - 5.5V - Surface Mount UMD 5V 100nA 2 - Yes 1 -65 °C