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. 808-0335
Mfr. Part No.SMCJ36A
HK$3.107
Each (In a Pack of 20)
units
Single Uni-Directional 58.1V 40V Surface Mount DO-214AB (SMC) 36V 2 1500W 25.8A - 1 - +150 °C
RS Stock No. 124-2383
Mfr. Part No.PESD5V0U1UA,115
BrandNexperia
HK$0.805
Each (On a Reel of 3000)
units
Single Uni-Directional - 5.8V Surface Mount SOD-323 5V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 816-6751
Mfr. Part No.PESD5V0U1UA,115
BrandNexperia
HK$1.068
Each (In a Pack of 50)
units
Single Uni-Directional - 5.8V Surface Mount SOD-323 5V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 166-2282
Mfr. Part No.SMCJ36A
HK$1.904
Each (On a Reel of 3000)
units
Single Uni-Directional 58.1V 40V Surface Mount DO-214AB (SMC) 36V 2 1500W 25.8A - 1 - +150 °C
RS Stock No. 102-6158
Mfr. Part No.P6KE12CA
HK$1.309
Each (In a Bag of 1000)
units
Single Bi-Directional 21.7V 11.4V Through Hole DO-15 10.2V 2 600W 184A - 1 -65 °C +175 °C
RS Stock No. 691-0773
Mfr. Part No.LCDA15C-8.TBT
BrandSemtech
HK$54.13
Each
units
Isolated Bi-Directional 33V 16.7V Surface Mount SOIC 15V 16 500W 15A Yes 8 -55 °C +125 °C
RS Stock No. 170-0826
Mfr. Part No.LCDA15C-8.TBT
BrandSemtech
HK$51.261
Each (On a Reel of 500)
units
Isolated Bi-Directional 33V 16.7V Surface Mount SOIC 15V 16 500W 15A Yes 8 -55 °C +125 °C
RS Stock No. 485-9187
Mfr. Part No.P6KE12CA
HK$2.524
Each (In a Pack of 10)
units
Single Bi-Directional 21.7V 11.4V Through Hole DO-15 10.2V 2 600W 184A - 1 -65 °C +175 °C
RS Stock No. 918-9341
Mfr. Part No.SA5.0A-E3/54
BrandVishay
HK$2.113
Each (On a Reel of 4000)
units
Single Uni-Directional 9.2V 6.4V Through Hole DO-15 5V 2 500W 54.3A - 1 -55 °C +175 °C
RS Stock No. 543-8860
Mfr. Part No.P6KE62A
HK$1.73
Each (In a Pack of 5)
units
Single Uni-Directional 85V 58.9V Through Hole DO-15 53V 2 600W 7.1A - 1 -65 °C +175 °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. 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. 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. 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. 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. 636-5527
Mfr. Part No.SA5.0A-E3/54
BrandVishay
HK$3.94
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V Through Hole DO-15 5V 2 500W 54.3A - 1 -55 °C +175 °C
RS Stock No. 903-5541
Mfr. Part No.1.5KE91CA
HK$1.022
Each (On a Tape of 1200)
units
Single Bi-Directional 125V 86.5V Through Hole DO-201 77.8V 2 1500W 12A - 1 -55 °C +150 °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. 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. 485-6986
Mfr. Part No.BZW50-15
HK$23.87
Each
units
Single Uni-Directional 35V 16.6V Through Hole R 6 15V 2 5000W 1714A - 1 -65 °C +175 °C
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