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. 543-8860
Mfr. Part No.P6KE62A
TWD18.60
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. 165-2269
Mfr. Part No.SMBJ24CA-E3/5B
BrandVishay
TWD6.20
Each (On a Reel of 3200)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 178-7375
Mfr. Part No.ESDCAN03-2BWY
TWD3.20
Each (On a Reel of 3000)
units
Complex Array Bi-Directional 41V 26.5V Surface Mount SOT-323 (SC-70) 24V 3 250W 3.7A Yes 2 -55 °C +175 °C
RS Stock No. 699-8041
Mfr. Part No.SMBJ24CA-E3/5B
BrandVishay
TWD11.00
Each (In a Pack of 20)
units
Single Bi-Directional 43V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 14A Yes 1 -55 °C +150 °C
RS Stock No. 786-4545
Mfr. Part No.SA5.0ARLG
BrandLittelfuse
TWD10.40
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V Through Hole Case 59AA 5V 2 500W 54.3A Yes 1 -55 °C +150 °C
RS Stock No. 717-3486
Mfr. Part No.TBU-CA085-300-WH
BrandBourns
TWD64.20
Each (In a Pack of 5)
units
Single Bi-Directional 850V - Surface Mount DFN 20V 2 - 0.6A - 1 -55 °C +125 °C
RS Stock No. 628-8751
Mfr. Part No.SMBJ24CA-E3/52
BrandVishay
TWD13.00
Each (In a Pack of 5)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W 15.4A - 1 -55 °C +150 °C
RS Stock No. 761-3732
Mfr. Part No.SMBJ15A
TWD10.60
Each (In a Pack of 25)
units
Single Uni-Directional 24.4V 16.7V Surface Mount DO-214AA (SMB) 15V 2 600W 24.6A - 1 -55 °C +150 °C
RS Stock No. 725-8786
Mfr. Part No.PESD5V0S1BL,315
BrandNexperia
TWD11.70
Each (On a Tape of 20)
units
Single Bi-Directional 14V 5.5V Surface Mount SOD-882 5V 2 130W 12A Yes 1 -65 °C +150 °C
RS Stock No. 178-7377
Mfr. Part No.ESDLIN03-1BWY
TWD3.00
Each (On a Reel of 3000)
units
Single Bi-Directional 44V 28.5V Surface Mount SOT-323 (SC-70) 26.5V 3 250W 3.7A Yes 1 -55 °C +175 °C
RS Stock No. 102-2281
Mfr. Part No.NUP2105LT1G
TWD3.00
Each (On a Reel of 3000)
units
Series Bi-Directional 44V 26.2V Surface Mount SOT-23 24V 3 350W 8A Yes 2 -55 °C +150 °C
RS Stock No. 795-8599
Mfr. Part No.SM6T36CAY
TWD3.50
Each (In a Pack of 10)
units
Single Bi-Directional 64.3V 34.2V Surface Mount DO-214AA (SMB) 30.8V 2 600W 62A - 1 -55 °C +150 °C
RS Stock No. 102-6159
Mfr. Part No.P6KE18CA
TWD6.60
Each (In a Bag of 1000)
units
Single Bi-Directional 32.5V 17.1V Through Hole DO-15 15.3V 2 600W 123A - 1 -65 °C +175 °C
RS Stock No. 250-088
Mfr. Part No.ESDA6V1-5P6
TWD24.80
Each (In a Pack of 10)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-666IP 3V 6 150W - Yes 5 -40 °C +150 °C
RS Stock No. 827-0443
Mfr. Part No.DT1452-02SO-7
TWD9.90
Each (In a Pack of 50)
units
Array Uni-Directional 7.5V 7V Surface Mount SOT-23 5.5V 3 0.3W 12A Yes 5 -55 °C +150 °C
RS Stock No. 823-3059
Mfr. Part No.MMBZ15VDL-7-F
TWD3.20
Each (In a Pack of 100)
units
Common Cathode Uni-Directional 21.2V 14.3V Surface Mount SOT-23 12.8V 3 40W 1.9A Yes 2 -65 °C +150 °C
RS Stock No. 464-255
Mfr. Part No.NUP2105LT1G
TWD10.20
Each (In a Pack of 20)
units
Series Bi-Directional 44V 26.2V Surface Mount SOT-23 24V 3 350W 8A Yes 2 -55 °C +150 °C
RS Stock No. 781-5556
Mfr. Part No.SZNUP2105LT1G
TWD10.30
Each (In a Pack of 20)
units
Series Bi-Directional 44V 26.2V Surface Mount SOT-23 - 3 350W 8A Yes 2 -55 °C +150 °C
RS Stock No. 486-4353
Mfr. Part No.1.5KE39A
TWD17.30
Each (In a Pack of 10)
units
Single Uni-Directional 69.7V 37.1V Through Hole DO-201 33.3V 2 1500W 143A - 1 -65 °C +175 °C
RS Stock No. 165-4906
Mfr. Part No.1.5KE20A-E3/54
BrandVishay
TWD17.30
Each (On a Tape of 1400)
units
Single Uni-Directional 27.7V 19V Through Hole 1.5KE 17V 2 1500W 54.2A Yes 1 -55 °C +175 °C