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 Maximum Peak Pulse Current Mounting Type Package Type Maximum Reverse Stand-off Voltage Maximum Reverse Leakage Current Pin Count Peak Pulse Power Dissipation ESD Protection Number of Elements per Chip Minimum Operating Temperature
RS Stock No. 710-3002
Mfr. Part No.GSOT05C
BrandVishay
€0.07
Each (In a Pack of 50)
units
Dual Bi-Directional 8.7V 6V 30A Surface Mount SOT-23 5V 10µA 3 612W Yes 1 -55 °C
RS Stock No. 628-7304
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
€0.424
Each (In a Pack of 5)
units
Single Uni-Directional 9.2V 6.4V 65.2A Surface Mount DO-214AA (SMB) 5V 800µA 2 600W - 1 -55 °C
RS Stock No. 699-7931
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
€0.503
Each (In a Pack of 10)
units
Single Bi-Directional 23.5V 14.4V 63.8A Through Hole 1.5KE 12.9V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
€0.183
Each (On a Reel of 750)
units
Single Uni-Directional 9.2V 6.4V 65.2A Surface Mount DO-214AA (SMB) 5V 800µA 2 600W - 1 -55 °C
RS Stock No. 918-9534
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
€0.45
Each (On a Reel of 1400)
units
Single Bi-Directional 23.5V 14.4V 63.8A Through Hole 1.5KE 12.9V 1µA 2 1500W Yes 1 -55 °C
RS Stock No. 811-9972
Mfr. Part No.P6KE16CA-E3/54
BrandVishay
€0.189
Each (In a Pack of 25)
units
Single Bi-Directional 22.5V 15.2V 26.7A Through Hole DO-204AC 13.6V 1µA 2 600W - 1 -55 °C
RS Stock No. 165-7060
Mfr. Part No.P4SMA47AHE3/5A
BrandVishay
€0.08
Each (On a Reel of 7500)
units
Single Uni-Directional 64.8V 44.7V 6.2A Surface Mount DO-214AC (SMA) 40.2V 1µA 2 400W - 1 -65 °C
RS Stock No. 145-2085
Mfr. Part No.GSOT05-E3-08
BrandVishay
€0.031
Each (On a Reel of 3000)
units
Single Bi-Directional 8.7V 6V 30A Surface Mount SOT-23 5V 20µA 3 480W Yes 1 -40 °C
RS Stock No. 165-6994
Mfr. Part No.P6KE16CA-E3/54
BrandVishay
€0.188
Each (On a Reel of 4000)
units
Single Bi-Directional 22.5V 15.2V 26.7A Through Hole DO-204AC 13.6V 1µA 2 600W - 1 -55 °C
RS Stock No. 710-3516
Mfr. Part No.SMBJ18CA-E3/5B
BrandVishay
€0.118
Each (In a Pack of 20)
units
Single Bi-Directional 29.2V 20V 20.5A Surface Mount DO-214AA (SMB) 18V 1µA 2 600W - 1 -55 °C
RS Stock No. 165-2497
Mfr. Part No.SMBJ45CA-E3/52
BrandVishay
€0.169
Each (On a Reel of 750)
units
Single Bi-Directional 80.3V 50V 7.5A Surface Mount DO-214AA (SMB) 45V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 699-8063
Mfr. Part No.SMBJ45CA-E3/52
BrandVishay
€0.274
Each (In a Pack of 20)
units
Single Bi-Directional 80.3V 50V 7.5A Surface Mount DO-214AA (SMB) 45V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 811-9947
Mfr. Part No.P4SMA47AHE3/5A
BrandVishay
€0.083
Each (In a Pack of 25)
units
Single Uni-Directional 64.8V 44.7V 6.2A Surface Mount DO-214AC (SMA) 40.2V 1µA 2 400W - 1 -65 °C
RS Stock No. 902-6691
Mfr. Part No.GSOT05-E3-08
BrandVishay
€0.035
Each (In a Pack of 100)
units
Single Bi-Directional 8.7V 6V 30A Surface Mount SOT-23 5V 20µA 3 480W Yes 1 -40 °C
RS Stock No. 177-7630
Mfr. Part No.SMBJ18CA-E3/5B
BrandVishay
€0.119
Each (On a Reel of 3200)
units
Single Bi-Directional 29.2V 20V 20.5A Surface Mount DO-214AA (SMB) 18V 1µA 2 600W - 1 -55 °C
RS Stock No. 638-8738
Mfr. Part No.1.5KE220CA-E3/54
BrandVishay
€0.384
Each (In a Pack of 5)
units
Single Bi-Directional 328V 209V 4.6A Through Hole 1.5KE 185V 1µA 2 1500W - 1 -55 °C
RS Stock No. 165-2482
Mfr. Part No.SMBJ7.5CA-E3
BrandVishay
€0.126
Each (On a Reel of 750)
units
Single Bi-Directional 12.9V 8.33V 46.5A Surface Mount DO-214AA (SMB) 7.5V 200µA 2 600W - 1 -55 °C
RS Stock No. 165-6314
Mfr. Part No.VBUS05L1-DD1-G-08
BrandVishay
€0.103
Each (On a Reel of 8000)
units
Dual Bi-Directional 14V 7V 2A Surface Mount LLP1006 5.5V 50nA 2 34W Yes 2 -40 °C
RS Stock No. 919-4472
Mfr. Part No.SMCJ28A-E3/57T
BrandVishay
€0.323
Each (On a Reel of 850)
units
Single Uni-Directional 45.4V 31.1V 33A Surface Mount SMC 28V 1µA 2 1500W - 1 -55 °C
RS Stock No. 918-9395
Mfr. Part No.5KP24A-E3
BrandVishay
€1.619
Each (On a Reel of 800)
units
Single Uni-Directional 38.9V 26.7V 129A Through Hole P600 24V 2µA 2 5000W - 1 -55 °C