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 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 Stock No. 102-2281
Mfr. Part No.NUP2105LT1G
kr 0,752
Each (On a Reel of 3000)
Units
Series Bi-Directional 44V 26.2V 8A Surface Mount SOT-23 24V 100nA 3 350W Yes 2 -55 °C
RS Stock No. 464-255
Mfr. Part No.NUP2105LT1G
kr 2,612
Each (In a Pack of 20)
Units
Series Bi-Directional 44V 26.2V 8A Surface Mount SOT-23 24V 100nA 3 350W Yes 2 -55 °C
RS Stock No. 543-8854
Mfr. Part No.P6KE33A
kr 1,116
Each (In a Pack of 5)
Units
Single Uni-Directional 45.7V 31.4V 13.2A Through Hole DO-15 28.2V 5µA 2 600W - 1 -65 °C
RS Stock No. 166-2524
Mfr. Part No.P6KE33A
kr 1,077
Each (On a Reel of 4000)
Units
Single Uni-Directional 45.7V 31.4V 13.2A Through Hole DO-15 28.2V 5µA 2 600W - 1 -65 °C
RS Stock No. 166-1776
Mfr. Part No.P6KE20A
kr 1,29
Each (On a Reel of 4000)
Units
Single Uni-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 543-8602
Mfr. Part No.P6KE20A
kr 3,808
Each (In a Pack of 5)
Units
Single Uni-Directional 27.7V 19V 22A Through Hole DO-15 17V 5µA 2 600W - 1 -65 °C
RS Stock No. 786-2937
Mfr. Part No.ESD8472MUT5G
kr 2,154
Each (In a Pack of 20)
Units
Common Anode Bi-Directional 20V 12V 3A Surface Mount DFN 5.3V 50nA 2 0.3W Yes 2 -55 °C
RS Stock No. 781-5121
Mfr. Part No.NUP1105LT1G
kr 1,232
Each (On a Tape of 50)
Units
Common Cathode Bi-Directional 40 V, 44 V 25.7V 8A Surface Mount SOT-23 - 100nA 3 350W Yes 2 -55 °C
RS Stock No. 166-2482
Mfr. Part No.SMCJ33CA
kr 2,042
Each (On a Reel of 3000)
Units
Single Bi-Directional 53.3V 36.7V 28.2A Surface Mount DO-214AB (SMC) 33V 1µA 2 1500W - 1 -65 °C
RS Stock No. 670-8848
Mfr. Part No.SMCJ33CA
kr 6,44
Each (In a Pack of 5)
Units
Single Bi-Directional 53.3V 36.7V 28.1A Surface Mount DO-214AB (SMC) 33V 5µA 2 1500W - 1 -55 °C
RS Stock No. 166-3169
Mfr. Part No.SMCJ12CA
kr 2,137
Each (On a Reel of 3000)
Units
Single Bi-Directional 19.9V 13.3V 75.3A Surface Mount DO-214AB (SMC) 12V 5µA 2 1500W - 1 -
RS Stock No. 171-8352
Mfr. Part No.NSP8814MUTAG
kr 2,472
Each (On a Reel of 3000)
Units
Array Uni-Directional 15V 3.2V 35A Surface Mount UDFN - 500nA 8 - Yes 4 -55 °C
RS Stock No. 162-8960
Mfr. Part No.MMQA33VT1G
kr 0,645
Each (On a Reel of 3000)
Units
Common Anode Uni-Directional 48.6V 31.4V - Surface Mount SC-74 25V 75nA 6 150W Yes 4 -55 °C
RS Stock No. 162-9328
Mfr. Part No.ESD9P5.0ST5G
kr 0,537
Each (On a Reel of 8000)
Units
Single Uni-Directional 9.8V 5.8V 1A Surface Mount SOD-923 5V 1µA 2 0.15W Yes 1 -55 °C
RS Stock No. 882-9705
Mfr. Part No.HBL5006HT1G
kr 0,798
Each (In a Pack of 50)
Units
Single Uni-Directional 11.2V 6.2V 16A Surface Mount SOD-323 - 1µA 2 - No 1 -40 °C
RS Stock No. 186-9140
Mfr. Part No.SZMMBZ18VALT1G
kr 0,322
Each (On a Reel of 3000)
Units
Common Anode Uni-Directional 25V 14.5V 1.6A Surface Mount SOT-23 - 50nA 3 40W Yes 2 -55 °C
RS Stock No. 124-1408
Mfr. Part No.SMCJ26CA
kr 2,15
Each (On a Reel of 3000)
Units
Single Bi-Directional 42.1V 28.9V 35.6A Surface Mount DO-214AB (SMC) 26V 5µA 2 1500W - 1 -
RS Stock No. 166-3170
Mfr. Part No.SMCJ16CA
kr 2,364
Each (On a Reel of 3000)
Units
Single Bi-Directional 26V 17.8V 57.7A Surface Mount DO-214AB (SMC) 16V 5µA 2 1500W - 1 -
RS Stock No. 124-1382
Mfr. Part No.SMCJ22CA
kr 1,954
Each (On a Reel of 3000)
Units
Single Bi-Directional 35.5V 24.4V 42.3A Surface Mount DO-214AB (SMC) 22V 5µA 2 1500W - 1 -
RS Stock No. 805-6130
Mfr. Part No.ESD5481MUT5G
kr 0,537
Each (In a Pack of 100)
Units
Single Bi-Directional 23V 5.7V 2A Surface Mount DFN 5V 1µA 2 0.3W Yes 2 -55 °C