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 Stock No. 543-8567
Mfr. Part No.P6KE350CA
PHP32.13
Each (In a Pack of 5)
units
Single Bi-Directional 482V 332V Through Hole DO-15 300V 2 600W 1.3A - 1 -65 °C +175 °C
RS Stock No. 166-2565
Mfr. Part No.P6KE350CA
PHP11.761
Each (On a Reel of 4000)
units
Single Bi-Directional 482V 332V Through Hole DO-15 300V 2 600W 1.3A - 1 -65 °C +175 °C
RS Stock No. 543-8797
Mfr. Part No.P6KE15CA
PHP34.10
Each (In a Pack of 5)
units
Single Bi-Directional 21.2V 14.3V Through Hole DO-15 12.8V 2 600W 28A - 1 -65 °C +175 °C
RS Stock No. 166-1745
Mfr. Part No.P6KE15CA
PHP9.18
Each (On a Reel of 4000)
units
Single Bi-Directional 21.2V 14.3V Through Hole DO-15 12.8V 2 600W 28A - 1 -65 °C +175 °C
RS Stock No. 486-0711
Mfr. Part No.1.5KE440CA
PHP43.05
Each (In a Pack of 5)
units
Single Bi-Directional 776V 418V Through Hole DO-201 376V 2 1500W 13A - 1 -65 °C +175 °C
RS Stock No. 919-6403
Mfr. Part No.1.5KE440CA
PHP25.04
Each (In a Bag of 600)
units
Single Bi-Directional 776V 418V Through Hole DO-201 376V 2 1500W 13A - 1 -65 °C +175 °C
RS Stock No. 710-3443
Mfr. Part No.SMAJ18A-E3/61
BrandVishay
PHP13.07
Each (In a Pack of 25)
units
Single Uni-Directional 29.2V 20V Surface Mount DO-214AC (SMA) 18V 2 400W 13.7A - 1 -55 °C +150 °C
RS Stock No. 168-6157
Mfr. Part No.P6KE400CA
PHP11.18
Each (On a Tape of 1000)
units
Single Bi-Directional 706V 380V Through Hole DO-15 342V 2 600W 5.7A - 1 -65 °C +175 °C
RS Stock No. 168-6272
Mfr. Part No.SM6T27A
PHP7.46
Each (On a Reel of 2500)
units
Single Uni-Directional 48.3V 25.7V Surface Mount DO-214AA (SMB) 23.1V 2 600W 83A - 1 -55 °C +150 °C
RS Stock No. 486-4971
Mfr. Part No.SM6T27A
PHP18.59
Each (In a Pack of 10)
units
Single Uni-Directional 48.3V 25.7V Surface Mount DO-214AA (SMB) 23.1V 2 600W 83A - 1 -55 °C +150 °C
RS Stock No. 485-9418
Mfr. Part No.P6KE400CA
PHP28.88
Each (In a Pack of 5)
units
Single Bi-Directional 706V 380V Through Hole DO-15 342V 2 600W 5.7A - 1 -65 °C +175 °C
RS Stock No. 791-6303
Mfr. Part No.P6SMB18AT3G
BrandLittelfuse
PHP23.21
Each (In a Pack of 25)
units
Single Uni-Directional 25.2V 17.1V Surface Mount DO-214AA (SMB) 15.3V 2 600W 24A Yes 1 -65 °C +150 °C
RS Stock No. 171-0078
Mfr. Part No.P6SMB18AT3G
BrandLittelfuse
PHP9.35
Each (On a Reel of 2500)
units
Single Uni-Directional 25.2V 17.1V Surface Mount DO-214AA (SMB) 15.3V 2 600W 24A Yes 1 -65 °C +150 °C
RS Stock No. 177-7539
Mfr. Part No.SMAJ18A-E3/61
BrandVishay
PHP4.94
Each (On a Reel of 1800)
units
Single Uni-Directional 29.2V 20V Surface Mount DO-214AC (SMA) 18V 2 400W 13.7A - 1 -55 °C +150 °C
RS Stock No. 767-3728
Mfr. Part No.CDSOT23-SM712
BrandBourns
PHP69.895
Each (In a Pack of 10)
units
Series Bi-Directional 26V 7.5V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +150 °C
RS Stock No. 165-3019
Mfr. Part No.CDSOT23-SM712
BrandBourns
PHP32.76
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 7.5V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +150 °C
RS Stock No. 714-7018
Mfr. Part No.BZW50-12B
PHP145.95
Each (In a Pack of 2)
units
Single Bi-Directional 28V 13.3V Through Hole R 6 12V 2 5000W 2143A - 1 -65 °C +175 °C
RS Stock No. 919-6513
Mfr. Part No.BZW50-12B
PHP107.10
Each (In a Bag of 100)
units
Single Bi-Directional 28V 13.3V Through Hole R 6 12V 2 5000W 2143A - 1 -65 °C +175 °C
RS Stock No. 486-4230
Mfr. Part No.1.5KE220CA
PHP62.48
Each (In a Pack of 5)
units
Single Bi-Directional 388V 209V Through Hole DO-201 188V 2 1500W 26A - 1 -65 °C +175 °C
RS Stock No. 876-8050
Mfr. Part No.5KP11CA
BrandLittelfuse
PHP95.423
Each (In a Pack of 800)
units
Single Bi-Directional 18.2V 12.2V Through Hole P600 11V 2 5000W 280.2A Yes 1 -55 °C +175 °C
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