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. 166-1405
Mfr. Part No.PESD5V0L5UY,115
BrandNexperia
$0.139
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 12V 6.4V Surface Mount UMT 5V 6 25W 2.5A Yes 5 -65 °C +150 °C
RS Stock No. 122-0133
Mfr. Part No.LC03-6R2G
$0.75
Each (On a Reel of 2500)
units
Complex Array Bi-Directional 20V 6.8V Surface Mount SOIC 5V 8 2000W 100A Yes 5 -55 °C +150 °C
RS Stock No. 165-4949
Mfr. Part No.1N6385-E3/54
BrandVishay
$0.775
Each (On a Tape of 1400)
units
Single Bi-Directional 14.5V 9.5V Through Hole 1.5KE 8.5V 2 1500W 103A Yes 1 -55 °C +175 °C
RS Stock No. 508-686
Mfr. Part No.PESD5V0L5UY,115
BrandNexperia
$0.435
Each (In a Pack of 20)
units
Common Anode Uni-Directional 12V 6.4V Surface Mount UMT 5V 6 25W 2.5A Yes 5 -65 °C +150 °C
RS Stock No. 812-9281
Mfr. Part No.SA6.0CA-E3/54
BrandVishay
$0.769
Each (In a Pack of 20)
units
Single Bi-Directional 10.3V 6.67V Through Hole DO-204AC 6V 2 500W 48.5A - 1 -55 °C +175 °C
RS Stock No. 903-5468
Mfr. Part No.1.5KE51A
$0.126
Each (On a Tape of 1200)
units
Single Uni-Directional 70.1V 48.5V Through Hole DO-201 43.6V 2 1500W 21.4A - 1 -55 °C +150 °C
RS Stock No. 919-6396
Mfr. Part No.1.5KE36CA
$0.652
Each (In a Bag of 600)
units
Single Bi-Directional 64.3V 34.2V Through Hole DO-201 30.8V 2 1500W 156A - 1 -65 °C +175 °C
RS Stock No. 486-4218
Mfr. Part No.1.5KE200A
$0.863
Each (In a Pack of 10)
units
Single Uni-Directional 353V 190V Through Hole DO-201 171V 2 1500W 28A - 1 -65 °C +175 °C
RS Stock No. 691-0638
Mfr. Part No.ECLAMP2410P.TCT
BrandSemtech
$2.46
Each (In a Pack of 5)
units
Complex Array Bi-Directional - 6V Surface Mount SLP EP 5V 16 - - Yes 6 -40 °C +85 °C
RS Stock No. 166-3036
Mfr. Part No.1V5KE350A
$0.481
Each (On a Reel of 1250)
units
Single Uni-Directional 482V 333V Through Hole DO-201AE 300V 2 1500W 3.2A - 1 -55 °C +175 °C
RS Stock No. 165-6964
Mfr. Part No.SA6.5CA-E3/54
BrandVishay
$0.495
Each (On a Reel of 4000)
units
Single Bi-Directional 11.2V 7.22V Through Hole DO-204AC 6.5V 2 500W 44.7A - 1 -55 °C +175 °C
RS Stock No. 168-6186
Mfr. Part No.1.5KE250A
$0.607
Each (On a Tape of 600)
units
Single Uni-Directional 442V 237V Through Hole DO-201 213V 2 1500W 23A - 1 -65 °C +175 °C
RS Stock No. 169-0716
Mfr. Part No.SMBJ12A-13-F
$0.145
Each (On a Reel of 3000)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 168-7264
Mfr. Part No.SM6T47AY
$0.299
Each (On a Reel of 2500)
units
Single Uni-Directional 84V 44.4V Surface Mount DO-214AA (SMB) 40V 2 600W 48A - 1 -55 °C +150 °C
RS Stock No. 177-5427
Mfr. Part No.SMBJ15CA
BrandBourns
$0.161
Each (On a Reel of 3000)
units
Single Bi-Directional - 16.7V Surface Mount DO-214AA (SMB) 15V 2 600W 50A Yes 1 -55 °C +150 °C
RS Stock No. 166-2562
Mfr. Part No.P6KE36A
$0.221
Each (On a Reel of 4000)
units
Single Uni-Directional 49.9V 34.2V Through Hole DO-15 30.8V 2 600W 12A - 1 -65 °C +175 °C
RS Stock No. 165-2292
Mfr. Part No.1.5KE47A-E3/54
BrandVishay
$0.721
Each (On a Tape of 1400)
units
Single Uni-Directional 64.8V 44.7V Through Hole 1.5KE 40.2V 2 1500W 23.1A - 1 -55 °C +175 °C
RS Stock No. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
$0.449
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 165-7227
Mfr. Part No.P4SMA30CA-E3/61
BrandVishay
$0.245
Each (On a Reel of 1800)
units
Single Bi-Directional 41.4V 28.5V Surface Mount DO-214AC (SMA) 25.6V 2 400W 9.7A - 1 -65 °C +150 °C
RS Stock No. 486-0115
Mfr. Part No.BZW06-15B
$0.719
Each (In a Pack of 10)
units
Single Bi-Directional 32.5V 17.1V Through Hole DO-15 15.3V 2 600W 123A - 1 -65 °C +175 °C
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