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. 102-6164
Mfr. Part No.BZW50-15
HK$15.906
Each (In a Bag of 100)
units
Single Uni-Directional 35V 16.6V Through Hole R 6 15V 2 5000W 1714A - 1 -65 °C +175 °C
RS Stock No. 485-9238
Mfr. Part No.P6KE180A
HK$2.139
Each (In a Pack of 10)
units
Single Uni-Directional 317V 171V Through Hole DO-15 154V 2 600W 12.6A - 1 -65 °C +175 °C
RS Stock No. 168-6141
Mfr. Part No.P6KE180A
HK$1.186
Each (On a Tape of 1000)
units
Single Uni-Directional 317V 171V Through Hole DO-15 154V 2 600W 12.6A - 1 -65 °C +175 °C
RS Stock No. 781-5098
Mfr. Part No.SM8S33AHE3_A/I
BrandVishay
HK$40.59
Each
units
Single Uni-Directional 53.3V 36.7V Surface Mount DO-218AB 33V 2 6600W 124A - 1 -55 °C +175 °C
RS Stock No. 165-9825
Mfr. Part No.SRV05-4HTG
BrandLittelfuse
HK$1.995
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 15V - Surface Mount SOT-23 6V 6 150W 8A Yes 4 -40 °C +125 °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. 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. 543-8523
Mfr. Part No.P6KE56CA
HK$2.456
Each (In a Pack of 5)
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. 921-5125
Mfr. Part No.TPD4S012DRYR
HK$2.915
Each (On a Reel of 5000)
units
Complex Array Uni-Directional - 20V Surface Mount SON - 6 60W 3A Yes 3 -40 °C +85 °C
RS Stock No. 166-0049
Mfr. Part No.NUP1301U,115
BrandNexperia
HK$0.469
Each (On a Reel of 3000)
units
Series Uni-Directional 20V 100V Surface Mount SOT-323 (SC-70) 80V 3 220W 11A Yes 2 -55 °C +150 °C
RS Stock No. 509-251
Mfr. Part No.PESD3V3S4UD,115
BrandNexperia
HK$1.478
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. 165-5520
Mfr. Part No.USBULC6-2M6
HK$4.07
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount μQFN 5V 6 - 5A Yes 2 - +150 °C
RS Stock No. 102-8625
Mfr. Part No.P6KE6V8A
HK$1.231
Each (In a Bag of 1000)
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. 802-1730
Mfr. Part No.NUP4114UCW1T2G
HK$1.353
Each (In a Pack of 100)
units
Complex Array Uni-Directional 9V 5.5V Surface Mount SOT-363 (SC-88) 5.5V 6 - 12A Yes 4 -40 °C +125 °C
RS Stock No. 543-8753
Mfr. Part No.P6KE180A
HK$3.278
Each (In a Pack of 5)
units
Single Uni-Directional 246V 171V Through Hole DO-15 154V 2 600W 2.4A - 1 -65 °C +175 °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. 823-1710
Mfr. Part No.SMBJ100A-13-F
HK$1.898
Each (In a Pack of 25)
units
Single Uni-Directional 162V 111V Surface Mount DO-214AA (SMB) 100V 2 600W 3.7A - 1 -55 °C +150 °C
RS Stock No. 919-0187
Mfr. Part No.1.5SMC400A-E3/57T
BrandVishay
HK$4.523
Each (On a Reel of 850)
units
Single Uni-Directional 548V 380V Surface Mount SMC 342V 2 1500W 2.7A - 1 -65 °C +150 °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. 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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