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. 917-2716
Mfr. Part No.EMIF06-MSD02N16
HK$5.805
Each (In a Pack of 10)
units
- - - - Surface Mount - - - - - - - -30 °C +85 °C
RS Stock No. 725-8720
Mfr. Part No.PRTR5V0U2X,215
BrandNexperia
HK$3.698
Each (In a Pack of 20)
units
Complex Array Uni-Directional - 6V Surface Mount SOT-143B 5.5V 4 - - Yes 2 -40 °C +85 °C
RS Stock No. 691-0843
Mfr. Part No.SMF05C.TCT
BrandSemtech
HK$5.292
Each (In a Pack of 10)
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. 808-0326
Mfr. Part No.SMCJ33A
HK$3.126
Each (In a Pack of 20)
units
Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 1500W 28.1A - 1 - +150 °C
RS Stock No. 168-6269
Mfr. Part No.SM6T200A
HK$1.112
Each (On a Reel of 2500)
units
Single Uni-Directional 353V 190V Surface Mount DO-214AA (SMB) 171V 2 600W 11.3A - 1 -55 °C +150 °C
RS Stock No. 509-469
Mfr. Part No.PESD5V0L5UV,115
BrandNexperia
HK$2.184
Each (In a Pack of 20)
units
Common Anode Uni-Directional 12V 6.4V Surface Mount SSMini 5V 6 25W 2.5A Yes 5 -65 °C +150 °C
RS Stock No. 486-0604
Mfr. Part No.1.5KE200CA
HK$10.486
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. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
HK$2.503
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. 170-0831
Mfr. Part No.SM05.TCT
BrandSemtech
HK$1.782
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 9.8V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +125 °C
RS Stock No. 102-8621
Mfr. Part No.ESDA6V1L
HK$0.797
Each (On a Reel of 3000)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-23 5.2V 3 300W - Yes 2 -40 °C +125 °C
RS Stock No. 791-6038
Mfr. Part No.ESD5B5.0ST1G
HK$0.529
Each (In a Pack of 100)
units
Single Bi-Directional - 5.8V Surface Mount SOD-523 5V 2 50W 30A Yes 1 -55 °C +150 °C
RS Stock No. 754-6216
Mfr. Part No.82400274
HK$8.47
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. 168-7998
Mfr. Part No.ESDALC5-1BT2
HK$1.133
Each (On a Reel of 12000)
units
Single Bi-Directional 17.5V 5.8V Surface Mount SOD-882T 5V 2 150W 9A Yes 1 -55 °C +150 °C
RS Stock No. 250-050
Mfr. Part No.ESDA6V1-4BC6
HK$4.19
Each (In a Pack of 10)
units
Complex Array Bi-Directional - 6.1V Surface Mount SOT-23 3V 6 80W - Yes 4 -40 °C +125 °C
RS Stock No. 919-0913
Mfr. Part No.SMAJ5.0A-E3/61
BrandVishay
HK$0.882
Each (On a Reel of 1800)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AC (SMA) 5V 2 400W 43.5A - 1 -55 °C +150 °C
RS Stock No. 168-6206
Mfr. Part No.SM6T200CA
HK$1.298
Each (On a Reel of 2500)
units
Single Bi-Directional 353V 190V Surface Mount DO-214AA (SMB) 171V 2 600W 11.3A - 1 -55 °C +150 °C
RS Stock No. 919-6535
Mfr. Part No.SMBJ5.0CA-TR
HK$0.969
Each (On a Reel of 2500)
units
Single Bi-Directional 13.4V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 298A - 1 -55 °C +150 °C
RS Stock No. 168-6151
Mfr. Part No.P6KE33A
HK$1.197
Each (On a Tape of 1000)
units
Single Uni-Directional 59V 31.4V Through Hole DO-15 28.2V 2 600W 68A - 1 -65 °C +175 °C
RS Stock No. 162-9322
Mfr. Part No.ESD5B5.0ST1G
HK$0.301
Each (On a Reel of 3000)
units
Single Bi-Directional - 5.8V Surface Mount SOD-523 5V 2 50W 30A Yes 1 -55 °C +150 °C
RS Stock No. 815-1020
Mfr. Part No.5KP85A-E3/54
BrandVishay
HK$18.952
Each (In a Pack of 5)
units
Single Uni-Directional 137V 94.4V Through Hole P600 85V 2 5000W 36.5A - 1 -55 °C +175 °C
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