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. 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. 170-0848
Mfr. Part No.SRDA05-6.TBT
BrandSemtech
$2.919
Each (On a Reel of 500)
units
Single Uni-Directional 20V - Surface Mount SOIC 5V 8 500W 25A Yes 1 -55 °C +125 °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. 509-251
Mfr. Part No.PESD3V3S4UD,115
BrandNexperia
$0.51
Each (In a Pack of 20)
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. 250-072
Mfr. Part No.ESDA6V1-5W6
$0.638
Each (In a Pack of 10)
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. 754-6257
Mfr. Part No.82402375
$1.376
Each (In a Pack of 5)
units
Common Anode Uni-Directional 6.8V 6V Surface Mount SOT-363 (SC-70) 5V 6 - 6A Yes 5 -55 °C +85 °C
RS Stock No. 250-195
Mfr. Part No.HDMIULC6-4SC6
$1.104
Each (In a Pack of 5)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - - Yes 4 -55 °C +125 °C
RS Stock No. 486-0676
Mfr. Part No.1.5KE30CA
$1.112
Each (In a Pack of 5)
units
Single Bi-Directional 53.5V 28.5V Through Hole DO-201 25.6V 2 1500W 187A - 1 -65 °C +175 °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. 177-7328
Mfr. Part No.P6KE39CA-E3/54
BrandVishay
$0.373
Each (On a Reel of 4000)
units
Single Bi-Directional 53.9V 37.1V Through Hole DO-204AC 33.3V 2 600W 11.1A - 1 -55 °C +175 °C
RS Stock No. 168-7199
Mfr. Part No.SM6T56AY
$0.36
Each (On a Reel of 2500)
units
Single Uni-Directional 100V 53.2V Surface Mount DO-214AA (SMB) 47.6V 2 600W 40A - 1 -55 °C +150 °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. 162-8770
Mfr. Part No.TPD4E1B06DCKR
$0.315
Each (On a Reel of 3000)
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
RS Stock No. 170-0840
Mfr. Part No.SMF05C.TCT
BrandSemtech
$0.78
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 12.5V 6V Surface Mount SOT-363 (SC-70) 5V 6 100W 8A Yes 5 -55 °C +125 °C
RS Stock No. 795-8785
Mfr. Part No.P6KE250ARL
$0.711
Each (In a Pack of 25)
units
Single Uni-Directional 442V 237V Through Hole DO-204AC 213V 2 600W 9A - 1 - +175 °C
RS Stock No. 250-735
Mfr. Part No.USB6B1RL
$2.176
Each (In a Pack of 5)
units
Complex Array Bi-Directional - 6V Surface Mount SOIC 5.2V 8 500W 40A Yes 2 -40 °C +85 °C
RS Stock No. 165-8608
Mfr. Part No.1.5KE33A-T
$0.47
Each (On a Reel of 1000)
units
Single Uni-Directional 45.7V 31.4V Through Hole DO-201 28.2V 2 1500W 33A - 1 -55 °C +175 °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. 636-8986
Mfr. Part No.SA24A-E3/54
BrandVishay
$1.248
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. 793-1989
Mfr. Part No.SP720ABG
BrandLittelfuse
$5.262
Each (In a Pack of 5)
units
Complex Array Uni-Directional - - Surface Mount SOIC - 16 - 3A Yes 14 -40 °C +105 °C
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