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. 110-7752
Mfr. Part No.ESD112B102ELE6327XTMA1
BrandInfineon
HK$1.092
Each (In a Pack of 100)
units
Single Bi-Directional 44V 7V Surface Mount TSLP - 2 - 3A Yes 1 -55 °C +125 °C
RS Stock No. 795-8580
Mfr. Part No.SMA6J130CA-TR
HK$4.058
Each (On a Tape of 50)
units
Single Bi-Directional 223V 144V Surface Mount DO-214AC (SMA) 130V 2 600W 15A - 1 -55 °C +175 °C
RS Stock No. 919-6374
Mfr. Part No.1.5KE200CA
HK$6.098
Each (In a Bag of 600)
units
Single Bi-Directional 353V 190V Through Hole DO-201 171V 2 1500W 28A - 1 -65 °C +175 °C
RS Stock No. 544-4786
Mfr. Part No.ESDA6V1L
HK$4.058
Each (In a Pack of 5)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-23 5.2V 3 300W - Yes 2 -40 °C +125 °C
RS Stock No. 169-8520
Mfr. Part No.P6KE12CA
HK$1.729
Each (On a Reel of 4000)
units
Single Bi-Directional 16.7V 11.4V Through Hole DO-15 10.2V 2 600W 36A - 1 -65 °C +175 °C
RS Stock No. 819-3680
Mfr. Part No.SMBJ130CA-E3/52
BrandVishay
HK$2.792
Each (In a Pack of 20)
units
Single Bi-Directional 209V 144V Surface Mount DO-214AA (SMB) 130V 2 600W 2.9A - 1 -55 °C +150 °C
RS Stock No. 699-8073
Mfr. Part No.SMBJ6.0CA-E3/52
BrandVishay
HK$2.658
Each (In a Pack of 20)
units
Single Bi-Directional 11.4V 6.67V Surface Mount DO-214AA (SMB) 6V 2 600W 52.6A Yes 1 -55 °C +150 °C
RS Stock No. 486-4943
Mfr. Part No.SM6T200A
HK$3.79
Each (In a Pack of 5)
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$2.77
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. 710-3519
Mfr. Part No.SMBJ20CA-E3/52
BrandVishay
HK$2.72
Each (In a Pack of 25)
units
Single Bi-Directional 32.4V 22.2V Surface Mount DO-214AA (SMB) 20V 2 600W 18.5A - 1 -55 °C +150 °C
RS Stock No. 786-2975
Mfr. Part No.MMQA6V2T1G
HK$2.40
Each (In a Pack of 50)
units
Common Anode Uni-Directional 9V 5.89V Surface Mount SC-74 4V 6 150W 2.6A Yes 4 -55 °C +150 °C
RS Stock No. 170-0831
Mfr. Part No.SM05.TCT
BrandSemtech
HK$1.823
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. 628-7714
Mfr. Part No.SMCJ5.0A-E3/57T
BrandVishay
HK$7.54
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V Surface Mount SMC 5V 2 1500W 163A - 1 -55 °C +150 °C
RS Stock No. 166-0089
Mfr. Part No.PTVS3V3S1UR,115
BrandNexperia
HK$1.03
Each (On a Reel of 3000)
units
Single Uni-Directional 8V 5.2V Surface Mount SOD-123W 3.3V 2 400W 43.8A - 1 -55 °C +150 °C
RS Stock No. 166-3683
Mfr. Part No.SMCJ33A
HK$1.57
Each (On a Reel of 3000)
units
Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 1500W 28.2A - 1 -65 °C +150 °C
RS Stock No. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
HK$2.43
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. 162-3807
Mfr. Part No.82400274
HK$5.37
Each (On a Reel of 3000)
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. 165-2289
Mfr. Part No.1.5KE15CA-E3/54
BrandVishay
HK$3.409
Each (On a Tape of 1400)
units
Single Bi-Directional 21.2V 14.3V Through Hole 1.5KE 12.8V 2 1500W 70.8A - 1 -55 °C +175 °C
RS Stock No. 543-8393
Mfr. Part No.P6KE12CA
HK$3.44
Each (In a Pack of 5)
units
Single Bi-Directional 16.7V 11.4V Through Hole DO-15 10.2V 2 600W 36A - 1 -65 °C +175 °C
RS Stock No. 165-2498
Mfr. Part No.SMBJ6.0CA-E3/52
BrandVishay
HK$1.53
Each (On a Reel of 750)
units
Single Bi-Directional 11.4V 6.67V Surface Mount DO-214AA (SMB) 6V 2 600W 52.6A Yes 1 -55 °C +150 °C
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