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. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
€0.118
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. 628-7304
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
€0.292
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
€0.463
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. 918-9534
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
€0.407
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. 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. 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. 145-2085
Mfr. Part No.GSOT05-E3-08
BrandVishay
€0.029
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. 165-2497
Mfr. Part No.SMBJ45CA-E3/52
BrandVishay
€0.133
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. 811-9947
Mfr. Part No.P4SMA47AHE3/5A
BrandVishay
€0.072
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. 811-9972
Mfr. Part No.P6KE16CA-E3/54
BrandVishay
€0.324
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
€0.083
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. 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
€0.276
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. 902-6691
Mfr. Part No.GSOT05-E3-08
BrandVishay
€0.032
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. 628-8363
Mfr. Part No.SMBJ7.5CA-E3/52
BrandVishay
€0.264
Each (In a Pack of 5)
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. 628-8802
Mfr. Part No.SMCJ5.0CA-E3/57T
BrandVishay
€0.55
Each (In a Pack of 5)
units
Single Bi-Directional 9.2V 6.4V 163A Surface Mount SMC 5V 1mA 2 1500W - 1 -55 °C
RS Stock No. 710-4976
Mfr. Part No.SMAJ5.0A-E3/61
BrandVishay
€0.216
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V 43.5A Surface Mount DO-214AC (SMA) 5V 800µA 2 400W - 1 -55 °C
RS Stock No. 918-9427
Mfr. Part No.1.5KE220CA-E3/54
BrandVishay
€0.397
Each (On a Reel of 1400)
units
Single Bi-Directional 328V 209V 4.6A Through Hole 1.5KE 185V 1µA 2 1500W - 1 -55 °C
RS Stock No. 165-4945
Mfr. Part No.1N6279A-E3/54
BrandVishay
€0.303
Each (On a Tape of 1400)
units
Single Uni-Directional 30.6V 20.9V 49A Through Hole 1.5KE 18.8V 1µA 2 1500W Yes 1 -55 °C