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. 754-6196
Mfr. Part No.82307050029
MYR2.82
Each (In a Pack of 5)
units
Single - 17V - Surface Mount 0402 (1005M) 5V 2 - - Yes 1 -40 °C +85 °C
RS Stock No. 162-4062
Mfr. Part No.824550601
MYR4.79
Each (On a Reel of 500)
units
Single Uni-Directional 96.8V 70.2V Surface Mount DO-214AB (SMC) - 2 3000W 300A - 1 -65 °C +150 °C
RS Stock No. 162-3801
Mfr. Part No.82307050029
MYR2.29
Each (On a Reel of 10000)
units
Single - 17V - Surface Mount 0402 (1005M) 5V 2 - - Yes 1 -40 °C +85 °C
RS Stock No. 754-6225
Mfr. Part No.8240136
MYR4.91
Each (In a Pack of 5)
units
Complex Array Uni-Directional 6V 4.5V Surface Mount SOT-143 3.3V 4 - 12A Yes 2 -55 °C +125 °C
RS Stock No. 921-7232
Mfr. Part No.824550601
MYR6.09
Each (In a Pack of 10)
units
Single Uni-Directional 96.8V 70.2V Surface Mount DO-214AB (SMC) - 2 3000W 300A - 1 -65 °C +150 °C
RS Stock No. 162-3811
Mfr. Part No.8240136
MYR3.12
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 6V 4.5V Surface Mount SOT-143 3.3V 4 - 12A Yes 2 -55 °C +125 °C
RS Stock No. 921-7566
Mfr. Part No.824521301
MYR1.23
Each (In a Pack of 25)
units
Single Bi-Directional 48.4V 35.05V Surface Mount DO-214AA (SMB) - 2 600W 12.4A - 1 -65 °C +150 °C
RS Stock No. 162-3966
Mfr. Part No.824521900
MYR0.961
Each (On a Reel of 500)
units
Single Bi-Directional 15.4V 10.5V Surface Mount DO-214AA (SMB) - 2 600W 39A - 1 -65 °C +150 °C
RS Stock No. 921-7541
Mfr. Part No.824521281
MYR1.23
Each (In a Pack of 25)
units
Single Bi-Directional 45.4V 32.75V Surface Mount DO-214AA (SMB) - 2 600W 13.3A - 1 -65 °C +150 °C
RS Stock No. 754-6235
Mfr. Part No.82401646
MYR7.772
Each (In a Pack of 5)
units
Complex Array Uni-Directional - 6V Surface Mount MSOP 5V 8 - - Yes 6 -55 °C +85 °C
RS Stock No. 162-3901
Mfr. Part No.824520141
MYR0.961
Each (On a Reel of 500)
units
Single Uni-Directional 23.2V 16.4V Surface Mount DO-214AA (SMB) - 2 600W 25.9A - 1 -65 °C +150 °C
RS Stock No. 921-7440
Mfr. Part No.824500301
MYR1.113
Each (In a Pack of 50)
units
Single Uni-Directional 48.4V 35.05V Surface Mount DO-214AC (SMA) - 2 400W 40A - 1 -65 °C +150 °C
RS Stock No. 754-6253
Mfr. Part No.82402374
MYR3.244
Each (In a Pack of 5)
units
Common Anode Uni-Directional 6.8V 6V Surface Mount SOT-353 (SC-70) 5V 5 - 6A Yes 4 -55 °C +85 °C
RS Stock No. 162-4088
Mfr. Part No.824551301
MYR4.79
Each (On a Reel of 500)
units
Single Bi-Directional 48.4V 35.05V Surface Mount DO-214AB (SMC) - 2 3000W 62A - 1 -65 °C +150 °C
RS Stock No. 921-7547
Mfr. Part No.824521261
MYR1.23
Each (In a Pack of 25)
units
Single Bi-Directional 42.1V 30.4V Surface Mount DO-214AA (SMB) - 2 600W 14.3A - 1 -65 °C +150 °C
RS Stock No. 921-7796
Mfr. Part No.824541241
MYR3.14
Each (In a Pack of 10)
units
Single Bi-Directional 38.9V 28.1V Surface Mount DO-214AB (SMC) - 2 1500W 38.6A - 1 -65 °C +150 °C
RS Stock No. 162-4012
Mfr. Part No.824541261
MYR2.46
Each (On a Reel of 500)
units
Single Bi-Directional 42.1V 30.4V Surface Mount DO-214AB (SMC) - 2 1500W 35.7A - 1 -65 °C +150 °C
RS Stock No. 162-3856
Mfr. Part No.824500900
MYR0.687
Each (On a Reel of 1000)
units
Single Uni-Directional 15.4V 10.5V Surface Mount DO-214AC (SMA) - 2 400W 40A - 1 -65 °C +150 °C
RS Stock No. 921-7137
Mfr. Part No.824551781
MYR6.09
Each (In a Pack of 10)
units
Single Bi-Directional 126V 91.25V Surface Mount DO-214AB (SMC) - 2 3000W 23.8A - 1 -65 °C +150 °C
RS Stock No. 162-3873
Mfr. Part No.824501401
MYR0.687
Each (On a Reel of 1000)
units
Single Bi-Directional 64.5V 46.75V Surface Mount DO-214AC (SMA) - 2 400W 6.2A - 1 -65 °C +150 °C