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. 171-4150
Mfr. Part No.SMBJ60A
BrandLittelfuse
$0.23
Each (On a Reel of 3000)
units
Single Uni-Directional 96.8V 66.7V Surface Mount DO-214AA (SMB) 60V 2 600W 6.2A Yes 1 -65 °C +150 °C
RS Stock No. 250-066
Mfr. Part No.ESDA6V1-5SC6
$0.336
Each (In a Pack of 10)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-23 3V 6 100W - Yes 4 -40 °C +125 °C
RS Stock No. 168-7230
Mfr. Part No.SM15T7V5CAY
$0.382
Each (On a Reel of 2500)
units
Single Bi-Directional 14.5V 7.13V Surface Mount DO-214AB (SMC) 6.4V 2 1500W 690A - 1 -40 °C +150 °C
RS Stock No. 151-3358
Mfr. Part No.PTVS43VS1UR,115
BrandNexperia
$0.188
Each (On a Reel of 3000)
units
Single Uni-Directional 69.4V 47.8V Surface Mount SOD-12W 43V 2 400W - Yes 1 -55 °C +150 °C
RS Stock No. 795-7366
Mfr. Part No.SM4T47CAY
$0.829
Each (In a Pack of 25)
units
Single Bi-Directional 84V 44.4V Surface Mount DO-214AC (SMA) 40V 2 400W 27A - 1 -55 °C +150 °C
RS Stock No. 171-9524
Mfr. Part No.SM24CANB-02HTG
BrandLittelfuse
$0.218
Each (On a Reel of 3000)
units
- Bi-Directional 50V 26.7 (Reverse)V Surface Mount SOT-23 24V 3 500W 10A Yes 2 -40 °C +125 °C
RS Stock No. 187-1491
Mfr. Part No.CDSOT23-T05LC-Q
BrandBourns
$0.756
Each (In a Pack of 25)
units
Array Bi-Directional 9.8V 6 (Max)V Surface Mount SOT-23 5V 3 - 42A Yes 2 -55 °C +150 °C
RS Stock No. 182-6842
Mfr. Part No.D15V0M1U2LP3-7
$0.065
Each (On a Reel of 10000)
units
Single Uni-Directional 24V 15.5V Surface Mount X3-DFN0603 15V 2 75W 3A Yes 1 -65 °C +150 °C
RS Stock No. 822-8596
Mfr. Part No.SMAJ6.0A-13-F
$0.23
Each (In a Pack of 50)
units
Single Uni-Directional 10.3V 6.67V Surface Mount DO-214AC (SMA) 6V 2 400W 38.8A - 1 -55 °C +150 °C
RS Stock No. 165-9841
Mfr. Part No.SMBJ12A
BrandLittelfuse
$0.129
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 -65 °C +150 °C
RS Stock No. 710-3544
Mfr. Part No.SMBJ8.5CA-E3/52
BrandVishay
$0.474
Each (In a Pack of 25)
units
Single Bi-Directional 14.4V 9.44V Surface Mount DO-214AA (SMB) 8.5V 2 600W 41.7A - 1 -55 °C +150 °C
RS Stock No. 171-3881
Mfr. Part No.SP3003-02XTG
BrandLittelfuse
$0.63
Each (On a Reel of 3000)
units
Array Uni-Directional 15V - Surface Mount SOT-553 6V 5 - 2.5A Yes 5 -40 °C +125 °C
RS Stock No. 902-6587
Mfr. Part No.1N6279A-E3/54
BrandVishay
$0.766
Each (In a Pack of 25)
units
Single Uni-Directional 30.6V 20.9V Through Hole 1.5KE 18.8V 2 1500W 49A Yes 1 -55 °C +175 °C
RS Stock No. 168-6210
Mfr. Part No.SM6T24CA
$0.16
Each (On a Reel of 2500)
units
Single Bi-Directional 42.8V 22.8V Surface Mount DO-214AA (SMB) 20.5V 2 600W 93A - 1 -55 °C +150 °C
RS Stock No. 786-4687
Mfr. Part No.SZP6SMB20AT3G
BrandLittelfuse
$0.736
Each (In a Pack of 10)
units
Single Uni-Directional 27.7V 19V Surface Mount DO-214AA (SMB) 17V 2 600W 22A Yes 1 -65 °C +150 °C
RS Stock No. 183-5196
Mfr. Part No.UMZ6.8NUMTL
BrandROHM
$0.118
Each (On a Reel of 3000)
units
- Uni-Directional - 6.47V Surface Mount SOT-323FL 5V 3 200mW - Yes 2 - 150 °C
RS Stock No. 486-0604
Mfr. Part No.1.5KE200CA
$1.452
Each (In a Pack of 5)
units
Single Bi-Directional 353V 190V Through Hole DO-201 171V 2 1500W 28A - 1 -65 °C +175 °C
RS Stock No. 800-9002
Mfr. Part No.1SMB100AT3G
BrandLittelfuse
$0.55
Each (On a Tape of 50)
units
Single Uni-Directional 162V 111V Surface Mount DO-214AA (SMB) 100V 2 600W 3.7A Yes 1 -65 °C +150 °C
RS Stock No. 163-2510
Mfr. Part No.MMBZ15VALT1G
$0.052
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 21V 14.25V Surface Mount SOT-23 12V 3 24W 1.9A Yes 2 -55 °C +150 °C
New
RS Stock No. 192-4313
Mfr. Part No.SMA4F10AY
$0.644
Each (In a Pack of 25)
units
Single Uni-Directional 17 V, 21.7 V 11.1V Surface Mount SMA Flat 10V 2 400W 23.5 A, 106 A - 1 -55 °C +175 °C
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