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. 166-2575
Mfr. Part No.P6KE51A
$0.297
Each (On a Reel of 4000)
units
Single Uni-Directional 70.1V 48.5V Through Hole DO-15 43.6V 2 600W 8.6A - 1 -65 °C +175 °C
RS Stock No. 815-2556
Mfr. Part No.GSOT12-E3-08
BrandVishay
$0.182
Each (In a Pack of 100)
units
Single Uni-Directional 18.7V 13.5V Surface Mount SOT-23 12V 3 312W 12A Yes 1 -40 °C +125 °C
RS Stock No. 687-3182
Mfr. Part No.SMAJ20A R3
$0.599
Each (In a Pack of 25)
units
Single Uni-Directional 32.4V 22.2V Surface Mount DO-214AC (SMA) 20V 2 - 12.3A Yes 1 -55 °C +150 °C
RS Stock No. 920-6266
Mfr. Part No.USBLC6-2SC6
$0.243
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 687-3857
Mfr. Part No.P6KE200CA R0
$0.938
Each (In a Pack of 20)
units
Single Bi-Directional 274V 190V Through Hole DO-15 171V 2 600W 2.2A - 1 -55 °C +175 °C
RS Stock No. 636-8986
Mfr. Part No.SA24A-E3/54
BrandVishay
$0.844
Each (In a Pack of 5)
units
Single Uni-Directional 38.9V 26.7V Through Hole DO-15 24V 2 500W 12.9A - 1 -55 °C +175 °C
RS Stock No. 166-1782
Mfr. Part No.P6KE20CA
$0.286
Each (On a Reel of 4000)
units
Single Bi-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -65 °C +175 °C
RS Stock No. 919-0913
Mfr. Part No.SMAJ5.0A-E3/61
BrandVishay
$0.154
Each (On a Reel of 1800)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AC (SMA) 5V 2 400W 43.5A - 1 -55 °C +150 °C
RS Stock No. 918-9262
Mfr. Part No.1.5KE9.1CA-E3/54
BrandVishay
$0.652
Each (On a Reel of 1400)
units
Single Bi-Directional 13.4V 8.65V Through Hole 1.5KE 7.8V 2 1500W 112A Yes 1 -55 °C +175 °C
RS Stock No. 918-9357
Mfr. Part No.SA24A-E3
BrandVishay
$0.765
Each (On a Reel of 4000)
units
Single Uni-Directional 38.9V 26.7V Through Hole DO-15 24V 2 500W 12.9A - 1 -55 °C +175 °C
RS Stock No. 543-8422
Mfr. Part No.P6KE20CA
$0.546
Each (In a Pack of 5)
units
Single Bi-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -65 °C +175 °C
RS Stock No. 919-6399
Mfr. Part No.1.5KE39CA
$0.593
Each (In a Bag of 600)
units
Single Bi-Directional 69.7V 37.1V Through Hole DO-201 33.3V 2 1500W 143A - 1 -65 °C +175 °C
RS Stock No. 165-2483
Mfr. Part No.SMBJ15CA-E3/52
BrandVishay
$0.361
Each (On a Reel of 750)
units
Single Bi-Directional 24.4V 16.7V Surface Mount DO-214AA (SMB) 15V 2 600W 24.6A - 1 -55 °C +150 °C
RS Stock No. 710-4976
Mfr. Part No.SMAJ5.0A-E3/61
BrandVishay
$0.357
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AC (SMA) 5V 2 400W 43.5A - 1 -55 °C +150 °C
RS Stock No. 628-8414
Mfr. Part No.SMBJ15CA-E3/52
BrandVishay
$1.046
Each (In a Pack of 5)
units
Single Bi-Directional 24.4V 16.7V Surface Mount DO-214AA (SMB) 15V 2 600W 24.6A - 1 -55 °C +150 °C
RS Stock No. 629-5917
Mfr. Part No.1.5KE9.1CA-E3/54
BrandVishay
$0.994
Each (In a Pack of 5)
units
Single Bi-Directional 13.4V 8.65V Through Hole 1.5KE 7.8V 2 1500W 112A - 1 -55 °C +175 °C
RS Stock No. 699-7944
Mfr. Part No.1.5KE36A-E3/54
BrandVishay
$0.689
Each (In a Pack of 10)
units
Single Uni-Directional 49.9V 34.2V Through Hole 1.5KE 30.8V 2 1500W 30.1A Yes 1 -55 °C +175 °C
RS Stock No. 919-0290
Mfr. Part No.SMAJ5.0A-E3/5A
BrandVishay
$0.132
Each (On a Reel of 7500)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AC (SMA) 5V 2 400W 43.5A - 1 -55 °C +150 °C
RS Stock No. 145-2207
Mfr. Part No.1.5KE36A-E3/54
BrandVishay
$0.633
Each (On a Tape of 1400)
units
Single Uni-Directional 49.9V 34.2V Through Hole 1.5KE 30.8V 2 1500W 30.1A Yes 1 -55 °C +175 °C
RS Stock No. 486-4369
Mfr. Part No.1.5KE39CA
$1.096
Each (In a Pack of 10)
units
Single Bi-Directional 69.7V 37.1V Through Hole DO-201 33.3V 2 1500W 143A - 1 -65 °C +175 °C
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