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. 636-5549
Mfr. Part No.SA12CA-E3/54
BrandVishay
HK$6.898
Each (In a Pack of 5)
units
Single Bi-Directional 19.9V 13.3V Through Hole DO-15 12V 2 500W 25.1A - 1 -55 °C +175 °C
RS Stock No. 791-8973
Mfr. Part No.PTVS12VP1UP,115
BrandNexperia
HK$2.079
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. 919-1035
Mfr. Part No.SM8S33AHE3/2D
BrandVishay
HK$16.991
Each (On a Reel of 750)
units
Single Uni-Directional 53.3V 36.7V Surface Mount DO-218AB 33V 2 6600W 124A - 1 -55 °C +175 °C
RS Stock No. 166-1743
Mfr. Part No.P6KE62A
HK$1.232
Each (On a Reel of 4000)
units
Single Uni-Directional 85V 58.9V Through Hole DO-15 53V 2 600W 7.1A - 1 -65 °C +175 °C
RS Stock No. 793-1986
Mfr. Part No.SRV05-4HTG
BrandLittelfuse
HK$6.236
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. 166-2563
Mfr. Part No.P6KE56CA
HK$1.536
Each (On a Reel of 4000)
units
Single Bi-Directional 77V 53.2V Through Hole DO-15 47.8V 2 600W 7.8A - 1 -65 °C +175 °C
RS Stock No. 122-2399
Mfr. Part No.SMBJ100A-13-F
HK$0.736
Each (On a Reel of 3000)
units
Single Uni-Directional 162V 111V Surface Mount DO-214AA (SMB) 100V 2 600W 3.7A - 1 -55 °C +150 °C
RS Stock No. 709-9076
Mfr. Part No.TPD4S012DRYR
HK$5.90
Each (In a Pack of 5)
units
Complex Array Uni-Directional - 20V Surface Mount SON - 6 60W 3A Yes 3 -40 °C +85 °C
RS Stock No. 250-707
Mfr. Part No.KBMF01SC6
HK$10.464
Each (In a Pack of 5)
units
Complex Array - - 6V Surface Mount SOT-23 - 6 - - Yes 2 0 °C +70 °C
RS Stock No. 166-1110
Mfr. Part No.KBMF01SC6
HK$6.20
Each (On a Reel of 1000)
units
Complex Array - - 6V Surface Mount SOT-23 - 6 - - Yes 2 0 °C +70 °C
RS Stock No. 624-7693
Mfr. Part No.USBLC6-2SC6
HK$2.546
Each (In a Pack of 10)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 486-4707
Mfr. Part No.P6KE6V8A
HK$3.04
Each (In a Pack of 10)
units
Single Uni-Directional 13.4V 6.45V Through Hole DO-15 5.8V 2 600W 298A - 1 -65 °C +175 °C
RS Stock No. 920-6266
Mfr. Part No.USBLC6-2SC6
HK$1.252
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. 486-4381
Mfr. Part No.1.5KE400CA
HK$5.238
Each (In a Pack of 5)
units
Single Bi-Directional 706V 380V Through Hole DO-201 342V 2 1500W 14A - 1 -65 °C +175 °C
RS Stock No. 165-7445
Mfr. Part No.SMCJ5.0A-TR
HK$1.154
Each (On a Reel of 2500)
units
Single Uni-Directional 13.4V 6.4V Surface Mount DO-214AB (SMC) 5V 2 1500W 746A - 1 -55 °C +150 °C
RS Stock No. 714-7266
Mfr. Part No.SMCJ5.0A-TR
HK$3.357
Each (In a Pack of 20)
units
Single Uni-Directional 13.4V 6.4V Surface Mount DO-214AB (SMC) 5V 2 1500W 746A - 1 -55 °C +150 °C
RS Stock No. 169-0742
Mfr. Part No.D5V0L2B3SO-7
HK$0.389
Each (On a Reel of 3000)
units
Array Bi-Directional 14V 6V Surface Mount SOT-23 5V 3 84W 6A Yes 4 -65 °C +150 °C
RS Stock No. 919-6393
Mfr. Part No.1.5KE400CA
HK$4.845
Each (In a Bag of 600)
units
Single Bi-Directional 706V 380V Through Hole DO-201 342V 2 1500W 14A - 1 -65 °C +175 °C
RS Stock No. 145-2594
Mfr. Part No.SMBJ54A-E3/52
BrandVishay
HK$1.225
Each (On a Reel of 750)
units
Single Uni-Directional 87.1V 60V Surface Mount DO-214AA (SMB) 54V 2 600W 6.9A Yes 1 -55 °C +150 °C
RS Stock No. 510-291
Mfr. Part No.IP4220CZ6,125
BrandNexperia
HK$2.423
Each (In a Pack of 10)
units
Complex Array - - - Surface Mount TSOP - 6 - - - 4 -40 °C +85 °C
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