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. 163-2389
Mfr. Part No.ESD7004MUTAG
HK$0.796
Each (On a Reel of 3000)
units
- - - - Surface Mount - - - - - - - -55 °C +125 °C
RS Stock No. 903-5875
Mfr. Part No.SMBJ22A
HK$0.502
Each (On a Reel of 3000)
units
Single Uni-Directional 35.5V 24.4V Surface Mount DO-214AA (SMB) 22V 2 600W 16.9A - 1 -55 °C +150 °C
RS Stock No. 171-3896
Mfr. Part No.SPHV36-01ETG-C
BrandLittelfuse
HK$0.742
Each (On a Reel of 10000)
units
- Bi-Directional 65V 40V Surface Mount SOD-882 36V 2 200W 2A Yes 2 -40 °C +125 °C
RS Stock No. 903-5468
Mfr. Part No.1.5KE51A
HK$0.675
Each (On a Tape of 1200)
units
Single Uni-Directional 70.1V 48.5V Through Hole DO-201 43.6V 2 1500W 21.4A - 1 -55 °C +150 °C
RS Stock No. 791-9005
Mfr. Part No.PTVS26VS1UR,115
BrandNexperia
HK$1.592
Each (On a Tape of 30)
units
Single Uni-Directional 42.1V 28.9V Surface Mount SOD-123W 26V 2 400W 9.5A Yes 1 -55 °C +150 °C
RS Stock No. 802-2354
Mfr. Part No.SMBJ58A
HK$1.656
Each (On a Tape of 50)
units
Single Uni-Directional 93.6V 64.4V Surface Mount DO-214AA (SMB) 58V 2 600W 6.4A - 1 -55 °C +150 °C
RS Stock No. 162-8768
Mfr. Part No.TPD4E001DRSR
HK$1.903
Each (On a Reel of 1000)
units
Complex Array Uni-Directional 105.5V 11V Surface Mount SON 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
New
RS Stock No. 186-9038
Mfr. Part No.ESD7361XV2T1G
HK$0.722
Each (On a Reel of 3000)
units
Single Uni-Directional 34 (Typ.)V 16.5V Surface Mount SOD-523 - 2 - 16A Yes 1 -55 °C +125 °C
RS Stock No. 166-0148
Mfr. Part No.PTVS36VS1UR,115
BrandNexperia
HK$1.03
Each (On a Reel of 3000)
units
Single Uni-Directional 58.1V 40V Surface Mount SOD-123W 36V 2 400W 6.9A Yes 1 -55 °C +150 °C
RS Stock No. 180-7376
Mfr. Part No.SMBJ7.0CA-E3/52
BrandVishay
HK$1.328
Each (On a Reel of 750)
units
- - - - - - - - - - - - - -
RS Stock No. 773-4555
Mfr. Part No.CDNBS08-SRDA3.3-4
BrandBourns
HK$10.948
Each (In a Pack of 5)
units
Complex Array Uni-Directional 10.9V 4V Surface Mount SOIC 3.3V 8 500W 43A Yes 9 -55 °C +150 °C
RS Stock No. 168-7283
Mfr. Part No.ESDA25L
HK$0.469
Each (On a Reel of 3000)
units
Common Anode Uni-Directional - 25V Surface Mount SOT-23 24V 3 300W - Yes 2 -40 °C +125 °C
RS Stock No. 795-7439
Mfr. Part No.SM6T22AY
HK$1.267
Each (On a Tape of 25)
units
Single Uni-Directional 39.3V 20.9V Surface Mount DO-214AA (SMB) 18.8V 2 600W 102A - 1 -55 °C +150 °C
RS Stock No. 812-0121
Mfr. Part No.P6SMB43A-E3/52
BrandVishay
HK$2.497
Each (On a Tape of 20)
units
Single Uni-Directional 59.3V 40.9V Surface Mount DO-214AA (SMB) 36.8V 2 600W 10.1A - 1 -65 °C +150 °C
RS Stock No. 168-6270
Mfr. Part No.SM6T22A
HK$0.971
Each (On a Reel of 2500)
units
Single Uni-Directional 39.3V 20.9V Surface Mount DO-214AA (SMB) 18.8V 2 600W 102A - 1 -55 °C +150 °C
RS Stock No. 166-1416
Mfr. Part No.PESD3V3L2BT,215
BrandNexperia
HK$0.70
Each (On a Reel of 3000)
units
Series Bi-Directional 26V 5.8V Surface Mount SOT-23 (TO-236AB) 3.3V 3 350W 15A Yes 2 -65 °C +150 °C
RS Stock No. 166-3002
Mfr. Part No.SMBJ150CA
HK$1.078
Each (On a Reel of 3000)
units
Single Bi-Directional 243V 167V Surface Mount DO-214AA (SMB) 150V 2 600W 2.5A - 1 -55 °C +150 °C
RS Stock No. 169-9031
Mfr. Part No.P6SMB33CA R5
HK$1.411
Each (On a Reel of 850)
units
Single Bi-Directional 45.7V 31.4V Surface Mount DO-214AA (SMB) 28.2V 2 600W 13.8A - 1 -65 °C +150 °C
RS Stock No. 169-0746
Mfr. Part No.D5V0L4B5SO-7
HK$1.16
Each (On a Reel of 3000)
units
Array Bi-Directional 14V 6V Surface Mount SOT-25 5V 5 84W 6A Yes 8 -65 °C +150 °C
New
RS Stock No. 187-1405
Mfr. Part No.SM8SF28CA-Q
BrandBourns
HK$12.759
Each (On a Reel of 750)
units
- Bi-Directional - 31.1V Surface Mount DFN 28V 2 7000W - Yes 2 -55 °C +175 °C
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