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. 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. 773-4583
Mfr. Part No.LSP0600BJR-S
BrandBourns
HK$4.747
Each (In a Pack of 25)
units
Single Uni-Directional - - Surface Mount DO-214AC (SMA) 6V 2 - - No 1 -40 °C +150 °C
RS Stock No. 170-0831
Mfr. Part No.SM05.TCT
BrandSemtech
HK$2.729
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. 146-0992
Mfr. Part No.DS9503P+
BrandMaxim
HK$5.06
Each (In a Tube of 120)
units
Single - - - Surface Mount TSOC - 6 - - - 1 -40 °C +85 °C
RS Stock No. 486-0159
Mfr. Part No.BZW06-5V8
HK$3.139
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. 486-0626
Mfr. Part No.1.5KE250A
HK$3.461
Each (In a Pack of 10)
units
Single Uni-Directional 442V 237V Through Hole DO-201 213V 2 1500W 23A - 1 -65 °C +175 °C
RS Stock No. 918-9391
Mfr. Part No.5KP15A-E3
BrandVishay
HK$12.746
Each (On a Reel of 800)
units
Single Uni-Directional 24.4V 16.7V Through Hole P600 15V 2 5000W 205A - 1 -55 °C +175 °C
RS Stock No. 638-7640
Mfr. Part No.5KP15A-E3/54
BrandVishay
HK$16.32
Each (In a Pack of 5)
units
Single Uni-Directional 24.4V 16.7V Through Hole P600 15V 2 5000W 205A - 1 -55 °C +175 °C
RS Stock No. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
HK$1.703
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. 543-8393
Mfr. Part No.P6KE12CA
HK$3.484
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. 699-8073
Mfr. Part No.SMBJ6.0CA-E3/52
BrandVishay
HK$3.086
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. 145-2753
Mfr. Part No.SMBJ60CA-E3/52
BrandVishay
HK$1.482
Each (On a Reel of 750)
units
Single Bi-Directional 96.8V 66.7V Surface Mount DO-214AA (SMB) 60V 2 600W 6.2A - 1 -55 °C +150 °C
RS Stock No. 145-5561
Mfr. Part No.SMCJ18CA
HK$1.843
Each (On a Reel of 3000)
units
Single Bi-Directional 29.2V 20V Surface Mount DO-214AB (SMC) 18V 2 1500W 51.4A - 1 - +150 °C
RS Stock No. 486-1376
Mfr. Part No.SM6T220A
HK$2.556
Each (In a Pack of 5)
units
Single Uni-Directional 388V 209V Surface Mount DO-214AA (SMB) 188V 2 600W 10.3A - 1 -55 °C +150 °C
RS Stock No. 791-6038
Mfr. Part No.ESD5B5.0ST1G
HK$0.573
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. 920-6373
Mfr. Part No.DALC208SC6
HK$1.40
Each (On a Reel of 3000)
units
Complex Array - - - Surface Mount SOT-23 - 6 - - - 4 -55 °C +150 °C
RS Stock No. 918-9304
Mfr. Part No.SMCJ12CA-E3/57T
BrandVishay
HK$3.25
Each (On a Reel of 850)
units
Single Bi-Directional 19.9V 13.3V Surface Mount SMC 12V 2 1500W 75.4A - 1 -55 °C +150 °C
RS Stock No. 544-4786
Mfr. Part No.ESDA6V1L
HK$3.59
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. 786-2975
Mfr. Part No.MMQA6V2T1G
HK$2.186
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. 783-3548
Mfr. Part No.MAX3207EAUT+T
BrandMaxim
HK$10.678
Each (On a Tape of 5)
units
Array Uni-Directional 30V 0.95V Surface Mount SOT-23 - 6 0.69W 45A Yes 4 -40 °C +125 °C
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