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. 178-6966
Mfr. Part No.SP720ABG
BrandLittelfuse
$4.229
Each (In a Tube of 40)
units
Complex Array Uni-Directional - - Surface Mount SOIC - 16 - 3A Yes 14 -40 °C +105 °C
RS Stock No. 754-6216
Mfr. Part No.82400274
$1.676
Each (In a Pack of 5)
units
Complex Array Uni-Directional 9V 6V Surface Mount SOT-363 (SC-70) 5V 6 - 6A Yes 4 -55 °C +85 °C
RS Stock No. 791-8973
Mfr. Part No.PTVS12VP1UP,115
BrandNexperia
$0.565
Each (On a Tape of 25)
units
Single Uni-Directional 19.9V 13.3V Surface Mount SOD-128 12V 2 600W 30.2A Yes 1 -55 °C +150 °C
RS Stock No. 165-9825
Mfr. Part No.SRV05-4HTG
BrandLittelfuse
$0.607
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 15V - Surface Mount SOT-23 6V 6 150W 8A Yes 4 -40 °C +125 °C
RS Stock No. 803-1787
Mfr. Part No.1V5KE350A
$0.755
Each (In a Pack of 25)
units
Single Uni-Directional 482V 333V Through Hole DO-201AE 300V 2 1500W 3.2A - 1 -55 °C +175 °C
RS Stock No. 166-1503
Mfr. Part No.PESD3V3S4UD,115
BrandNexperia
$0.253
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 12V 5.3V Surface Mount TSOP 3.3V 6 200W 20A Yes 4 -65 °C +150 °C
RS Stock No. 162-7871
Mfr. Part No.TPD2EUSB30ADRTR
$0.292
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 8V 7V Surface Mount SOT-9X3 5.5V 3 45W 5A Yes 2 -40 °C +85 °C
RS Stock No. 156-285
Mfr. Part No.EZAEG2A50AX
BrandPanasonic
$0.279
Each (In a Pack of 500)
units
Single - - - Surface Mount 0402 (1005M) - 2 - - - 1 -55 °C +125 °C
RS Stock No. 903-5796
Mfr. Part No.SMAJ15CA
$0.101
Each (On a Reel of 5000)
units
Single Bi-Directional 24.4V 16.7V Surface Mount DO-214AC (SMA) 15V 2 400W 16.4A - 1 -55 °C +150 °C
RS Stock No. 793-1967
Mfr. Part No.SP0503BAHTG
BrandLittelfuse
$1.076
Each (In a Pack of 10)
units
Array Uni-Directional 8.5V - Surface Mount SOT-143 5.5V 4 0.22W - Yes 3 -40 °C +85 °C
RS Stock No. 134-9472
Mfr. Part No.B72500D0150A060
BrandEPCOS
$0.113
Each (On a Reel of 4000)
units
Single Bi-Directional 42V 22V Surface Mount 0603 (1608M) 16V 2 2000W 30A Yes 1 -40 °C +85 °C
RS Stock No. 751-4969
Mfr. Part No.SM05-7
$0.234
Each (In a Pack of 50)
units
Common Anode Uni-Directional 20.6V 6.2V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +150 °C
RS Stock No. 168-5766
Mfr. Part No.ESDA6V1-5W6
$0.224
Each (On a Reel of 3000)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-323 (SC-70) 3V 6 100W - Yes 5 -40 °C +125 °C
RS Stock No. 793-1986
Mfr. Part No.SRV05-4HTG
BrandLittelfuse
$1.388
Each (In a Pack of 5)
units
Complex Array Uni-Directional 15V - Surface Mount SOT-23 6V 6 150W 8A Yes 4 -40 °C +125 °C
RS Stock No. 162-9212
Mfr. Part No.NUF2042XV6T1G
$0.221
Each (On a Reel of 4000)
units
Complex Array Bi-Directional - 5.6V Surface Mount SOT-563 3.3V 6 0.22W - Yes 5 -55 °C +125 °C
RS Stock No. 921-7092
Mfr. Part No.824551301
$2.531
Each (In a Pack of 10)
units
Single Bi-Directional 48.4V 35.05V Surface Mount DO-214AB (SMC) - 2 3000W 62A - 1 -65 °C +150 °C
RS Stock No. 145-2085
Mfr. Part No.GSOT05-E3-08
BrandVishay
$0.135
Each (On a Reel of 3000)
units
Single Bi-Directional 8.7V 6V Surface Mount SOT-23 5V 3 480W 30A Yes 1 -40 °C +125 °C
RS Stock No. 710-3434
Mfr. Part No.SMAJ15CA-E3/61
BrandVishay
$0.234
Each (In a Pack of 25)
units
Single Bi-Directional 24.4V 16.7V Surface Mount DO-214AC (SMA) 15V 2 400W 16.4A - 1 -55 °C +150 °C
RS Stock No. 687-3719
Mfr. Part No.BZW04-31B R0
$0.61
Each (In a Pack of 25)
units
Single Bi-Directional 49.9V 34.2V Through Hole DO-41 30.8V 2 - 8A - 1 -65 °C +175 °C
RS Stock No. 825-5330
Mfr. Part No.TPD4E1B06DCKR
$0.781
Each (In a Pack of 20)
units
Complex Array Bi-Directional 14.5V 7V Surface Mount SOT-363 (SC-70) 5.5V 6 45W 3A Yes 4 -40 °C +125 °C
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