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. 918-9262
Mfr. Part No.1.5KE9.1CA-E3/54
BrandVishay
$0.652
Each (On a Reel of 1400)
units
Single Bi-Directional 13.4V 8.65V Through Hole 1.5KE 7.8V 2 1500W 112A Yes 1 -55 °C +175 °C
RS Stock No. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
$0.252
Each (On a Reel of 750)
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. 714-7024
Mfr. Part No.BZW50-180B
$4.75
Each (In a Pack of 2)
units
Single Bi-Directional 410V 200V Through Hole R 6 180V 2 5000W 146A - 1 -65 °C +175 °C
RS Stock No. 636-5555
Mfr. Part No.SA15A-E3/54
BrandVishay
$1.558
Each (In a Pack of 5)
units
Single Uni-Directional 24.4V 16.7V Through Hole DO-15 15V 2 500W 20.5A - 1 -55 °C +175 °C
RS Stock No. 902-6354
Mfr. Part No.1.5KE10CA-E3/54
BrandVishay
$0.878
Each (In a Pack of 10)
units
Single Bi-Directional 14.5V 9.5V Through Hole 1.5KE 8.5V 2 1500W 103A Yes 1 -55 °C +175 °C
RS Stock No. 638-8637
Mfr. Part No.P6KE33CA-E3/54
BrandVishay
$0.946
Each (In a Pack of 10)
units
Single Bi-Directional 45.7V 31.4V Through Hole DO-15 28.2V 2 600W 13.1A - 1 -55 °C +175 °C
RS Stock No. 165-4896
Mfr. Part No.1.5KE10CA-E3/54
BrandVishay
$0.652
Each (On a Tape of 1400)
units
Single Bi-Directional 14.5V 9.5V Through Hole 1.5KE 8.5V 2 1500W 103A Yes 1 -55 °C +175 °C
RS Stock No. 628-7304
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
$0.53
Each (In a Pack of 5)
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. 179-1122
Mfr. Part No.SMBJ30A-13-F
$0.145
Each (On a Reel of 3000)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 166-3098
Mfr. Part No.1V5KE300CA
$1.19
Each (On a Reel of 1250)
units
Single Bi-Directional 414V 285V Through Hole DO-201AE 256V 2 1500W 3.8A - 1 -55 °C +175 °C
RS Stock No. 168-6863
Mfr. Part No.BZW50-180B
$3.18
Each (On a Tape of 100)
units
Single Bi-Directional 410V 200V Through Hole R 6 180V 2 5000W 146A - 1 -65 °C +175 °C
RS Stock No. 486-4381
Mfr. Part No.1.5KE400CA
$1.716
Each (In a Pack of 5)
units
Single Bi-Directional 706V 380V Through Hole DO-201 342V 2 1500W 14A - 1 -65 °C +175 °C
RS Stock No. 919-6393
Mfr. Part No.1.5KE400CA
$0.949
Each (In a Bag of 600)
units
Single Bi-Directional 706V 380V Through Hole DO-201 342V 2 1500W 14A - 1 -65 °C +175 °C
RS Stock No. 169-6071
Mfr. Part No.SA15A-E3
BrandVishay
$0.524
Each (On a Reel of 4000)
units
Single Uni-Directional 24.4V 16.7V Through Hole DO-15 15V 2 500W 20.5A - 1 -55 °C +175 °C
RS Stock No. 165-2455
Mfr. Part No.P6KE33CA-E3
BrandVishay
$0.574
Each (On a Reel of 4000)
units
Single Bi-Directional 45.7V 31.4V Through Hole DO-15 28.2V 2 600W 13.1A - 1 -55 °C +175 °C
RS Stock No. 764-5433
Mfr. Part No.1.5KE440CA
BrandLittelfuse
$1.147
Each (In a Pack of 10)
units
Single Bi-Directional 602V 418V Through Hole DO-201 376V 2 1500W 2.5A Yes 1 -55 °C +175 °C
RS Stock No. 124-1110
Mfr. Part No.ESDCAN03-2BWY
$0.44
Each (In a Pack of 50)
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. 178-7375
Mfr. Part No.ESDCAN03-2BWY
$0.152
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. 823-1738
Mfr. Part No.SMBJ30A-13-F
$0.437
Each (In a Pack of 25)
units
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -55 °C +150 °C
RS Stock No. 803-1774
Mfr. Part No.1V5KE300CA
$1.398
Each (In a Pack of 10)
units
Single Bi-Directional 414V 285V Through Hole DO-201AE 256V 2 1500W 3.8A - 1 -55 °C +175 °C
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