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) and the effects of arcs, EFT, ESD, inductive load switching, and even lightning strikes. RS Components offer an extensive range of TVS diodes from a multitude of brands across the industry, including Bourns, Littelfuse, ON Semiconductor, STMicroelectronics, Taiwan Semiconductor, Vishay, and more.

TVS diodes are offered in both through-hole and surface mount packages and 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. You can learn more in our TVS diodes guide.

What are the benefits of using transient voltage suppressor diodes?

Transient voltage suppressors 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, EFT (electrical fast transients), the ESD (electrostatic discharge) created by data lines and electronic circuits, and even lightning strikes.

What 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 is the operating voltage that the data or power line should not exceed. Breakdown voltage 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 higher than the reverse standoff voltage.

Typical applications of TVS diodes

  • TVS diodes have numerous applications but are primarily used 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 543-8911
製造零件編號P6KE200A
TWD15.80
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Single Uni-Directional 274V 190V Through Hole DO-15 171V 2 600W 2.2A - 1 -65 °C +175 °C
RS庫存編號 166-2526
製造零件編號P6KE200A
TWD5.20
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Single Uni-Directional 274V 190V Through Hole DO-15 171V 2 600W 2.2A - 1 -65 °C +175 °C
RS庫存編號 786-2909
製造零件編號ESD5Z2.5T1G
TWD2.00
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Single Uni-Directional 10.9V 4V Surface Mount SOD-523 2.5V 2 120W 11A Yes 1 -55 °C +150 °C
RS庫存編號 145-3063
製造零件編號ESD5Z2.5T1G
TWD1.10
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Single Uni-Directional 10.9V 4V Surface Mount SOD-523 2.5V 2 120W 11A Yes 1 -55 °C +150 °C
RS庫存編號 166-1743
製造零件編號P6KE62A
TWD5.40
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Single Uni-Directional 85V 58.9V Through Hole DO-15 53V 2 600W 7.1A - 1 -65 °C +175 °C
RS庫存編號 543-8860
製造零件編號P6KE62A
TWD17.60
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Single Uni-Directional 85V 58.9V Through Hole DO-15 53V 2 600W 7.1A - 1 -65 °C +175 °C
RS庫存編號 761-3735
製造零件編號SMBJ30A
TWD9.30
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Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS庫存編號 166-1998
製造零件編號SMBJ30A
TWD3.80
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Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -65 °C +150 °C
RS庫存編號 145-3232
製造零件編號MMBZ15VDLT1G
TWD1.10
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Common Cathode Bi-Directional, Uni-Directional 21.2V 14.3V Surface Mount SOT-123 12.8V 3 40W 1.9A Yes 2 -55 °C +150 °C
RS庫存編號 464-255
製造零件編號NUP2105LT1G
TWD10.60
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Series Bi-Directional 44V 26.2V Surface Mount SOT-23 24V 3 350W 8A Yes 2 -55 °C +150 °C
RS庫存編號 170-3484
製造零件編號SZNUP2105LT3G
TWD3.20
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Series Bi-Directional 44V 26.2V Surface Mount SOT-23 - 3 350W 8A Yes 2 -55 °C +150 °C
RS庫存編號 781-5559
製造零件編號SZNUP2105LT3G
TWD10.80
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Series Bi-Directional 44V 26.2V Surface Mount SOT-23 - 3 350W 8A Yes 2 -55 °C +150 °C
RS庫存編號 808-0032
製造零件編號MMBZ15VDLT1G
TWD2.10
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Common Cathode Bi-Directional, Uni-Directional 21.2V 14.3V Surface Mount SOT-123 12.8V 3 40W 1.9A Yes 2 -55 °C +150 °C
RS庫存編號 781-5556
製造零件編號SZNUP2105LT1G
TWD10.80
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Series Bi-Directional 44V 26.2V Surface Mount SOT-23 - 3 350W 8A Yes 2 -55 °C +150 °C
RS庫存編號 121-6330
製造零件編號SZNUP2105LT1G
TWD3.60
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Series Bi-Directional 44V 26.2V Surface Mount SOT-23 - 3 350W 8A Yes 2 -55 °C +150 °C
RS庫存編號 102-2281
製造零件編號NUP2105LT1G
TWD3.20
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Series Bi-Directional 44V 26.2V Surface Mount SOT-23 24V 3 350W 8A Yes 2 -55 °C +150 °C
RS庫存編號 781-4301
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TWD2.20
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Common Anode Uni-Directional 25V 17.1V Surface Mount SOT-23 - 3 40W 1.6A Yes 2 -55 °C +150 °C
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Single Uni-Directional 7.8V 4.8V Surface Mount SOD-923 3.3V 2 0.15W 1A Yes 1 -55 °C +125 °C
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Common Anode Uni-Directional 21V 14.25V Surface Mount SOT-23 - 3 40W 1.9A Yes 2 -55 °C +150 °C
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Single Bi-Directional 23V 5.7V Surface Mount DFN 5V 2 0.3W 2A Yes 2 -55 °C +150 °C