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. 486-4274
Mfr. Part No.1.5KE24CA
€0.604
Each (In a Pack of 5)
units
Single Bi-Directional 42.8V 22.8V 234A Through Hole DO-201 20.5V 1µA 2 1500W - 1 -65 °C
RS Stock No. 919-6377
Mfr. Part No.1.5KE24CA
€0.302
Each (In a Bag of 600)
units
Single Bi-Directional 42.8V 22.8V 234A Through Hole DO-201 20.5V 1µA 2 1500W - 1 -65 °C
RS Stock No. 166-1438
Mfr. Part No.PESD15VS2UT,215
BrandNexperia
€0.086
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 40V 17.6V 5A Surface Mount SOT-23 (TO-236AB) 15V 1µA 3 160W Yes 2 -65 °C
RS Stock No. 509-964
Mfr. Part No.PESD15VS2UT,215
BrandNexperia
€0.291
Each (In a Pack of 20)
units
Common Anode Uni-Directional 40V 17.6V 5A Surface Mount SOT-23 (TO-236AB) 15V 1µA 3 160W Yes 2 -65 °C
RS Stock No. 699-7931
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
€0.463
Each (In a Pack of 10)
units
Single Bi-Directional 23.5V 14.4V 63.8A Through Hole 1.5KE 12.9V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 486-4915
Mfr. Part No.SM6T15A
€0.38
Each (In a Pack of 5)
units
Single Uni-Directional 27.2V 14.3V 147A Surface Mount DO-214AA (SMB) 12.8V 200nA 2 600W - 1 -55 °C
RS Stock No. 486-4319
Mfr. Part No.1.5KE33CA
€0.668
Each (In a Pack of 5)
units
Single Bi-Directional 59V 31.4V 169A Through Hole DO-201 28.2V 1µA 2 1500W - 1 -65 °C
RS Stock No. 163-2389
Mfr. Part No.ESD7004MUTAG
€0.075
Each (On a Reel of 3000)
units
- - - - - Surface Mount - - - - - - - -55 °C
RS Stock No. 753-2608
Mfr. Part No.ESD7004MUTAG
€0.356
Each (In a Pack of 5)
units
- - - - - Surface Mount - - - - - - - -55 °C
RS Stock No. 710-3002
Mfr. Part No.GSOT05C
BrandVishay
€0.07
Each (In a Pack of 50)
units
Dual Bi-Directional 8.7V 6V 30A Surface Mount SOT-23 5V 10µA 3 612W Yes 1 -55 °C
RS Stock No. 687-3318
Mfr. Part No.SMAJ54A R3
€0.14
Each (In a Pack of 25)
units
Single Uni-Directional 87.1V 60V 4.6A Surface Mount DO-214AC (SMA) 54V 5µA 2 - Yes 1 -55 °C
RS Stock No. 628-7304
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
€0.292
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V 65.2A Surface Mount DO-214AA (SMB) 5V 800µA 2 600W - 1 -55 °C
RS Stock No. 146-0603
Mfr. Part No.SM712.TCT
BrandSemtech
€0.636
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 13.3V 17A Surface Mount SOT-23 12V 20µA 3 400W Yes 2 -55 °C
RS Stock No. 169-9070
Mfr. Part No.SMAJ54A R3
€0.11
Each (On a Reel of 1800)
units
Single Uni-Directional 87.1V 60V 4.6A Surface Mount DO-214AC (SMA) 54V 5µA 2 - Yes 1 -55 °C
RS Stock No. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
€0.118
Each (On a Reel of 750)
units
Single Uni-Directional 9.2V 6.4V 65.2A Surface Mount DO-214AA (SMB) 5V 800µA 2 600W - 1 -55 °C
RS Stock No. 919-6383
Mfr. Part No.1.5KE33CA
€0.367
Each (In a Bag of 600)
units
Single Bi-Directional 59V 31.4V 169A Through Hole DO-201 28.2V 1µA 2 1500W - 1 -65 °C
RS Stock No. 918-9534
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
€0.378
Each (On a Reel of 1400)
units
Single Bi-Directional 23.5V 14.4V 63.8A Through Hole 1.5KE 12.9V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 691-0811
Mfr. Part No.SM712.TCT
BrandSemtech
€1.498
Each (In a Pack of 5)
units
Series Bi-Directional 26V 13.3V 17A Surface Mount SOT-23 12V 20µA 3 400W Yes 2 -55 °C
RS Stock No. 168-6267
Mfr. Part No.SM6T15A
€0.129
Each (On a Reel of 2500)
units
Single Uni-Directional 27.2V 14.3V 147A Surface Mount DO-214AA (SMB) 12.8V 200nA 2 600W - 1 -55 °C
RS Stock No. 166-1168
Mfr. Part No.ESD101B102ELE6327XTMA1
BrandInfineon
€0.055
Each (On a Reel of 15000)
units
Single Bi-Directional 30V - - Surface Mount TSLP - 20nA 2 30W Yes 1 -55 °C
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