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. 624-7693
Mfr. Part No.USBLC6-2SC6
R 6.64
Each (In a Pack of 10)
units
Complex Array Uni-Directional 17V 6V 5A Surface Mount SOT-23 5V 150nA 6 - Yes 2 -40 °C
RS stock no. 920-6266
Mfr. Part No.USBLC6-2SC6
R 2.045
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V 5A Surface Mount SOT-23 5V 150nA 6 - Yes 2 -40 °C
RS stock no. 250-735
Mfr. Part No.USB6B1RL
R 18.10
Each (In a Pack of 5)
units
Complex Array Bi-Directional - 6V 40A Surface Mount SOIC 5.2V 10µA 8 500W Yes 2 -40 °C
RS stock no. 103-1074
Mfr. Part No.USB6B1RL
R 7.813
Each (On a Reel of 2500)
units
Complex Array Bi-Directional - 6V 40A Surface Mount SOIC 5.2V 10µA 8 500W Yes 2 -40 °C
RS stock no. 485-4592
Mfr. Part No.SM15T30A
R 10.738
Each (In a Pack of 5)
units
Single Uni-Directional 53.5V 28.5V 187A Surface Mount SMC 25.6V 1µA 2 1500W - 1 -55 °C
RS stock no. 168-6091
Mfr. Part No.SM15T30A
R 1.953
Each (On a Reel of 2500)
units
Single Uni-Directional 53.5V 28.5V 187A Surface Mount SMC 25.6V 1µA 2 1500W - 1 -55 °C
RS stock no. 485-7002
Mfr. Part No.BZW50-33
R 55.85
Each
units
Single Uni-Directional 76V 36.6V 789A Through Hole R 6 33V 5µA 2 5000W - 1 -65 °C
RS stock no. 102-6165
Mfr. Part No.BZW50-33
R 29.378
Each (In a Bag of 100)
units
Single Uni-Directional 76V 36.6V 789A Through Hole R 6 33V 5µA 2 5000W - 1 -65 °C
RS stock no. 486-4202
Mfr. Part No.1.5KE18CA
R 9.59
Each (In a Pack of 5)
units
Single Bi-Directional 32.5V 17.1V 308A Through Hole DO-201 15.3V 1µA 2 1500W - 1 -65 °C
RS stock no. 919-6365
Mfr. Part No.1.5KE18CA
R 5.083
Each (In a Bag of 600)
units
Single Bi-Directional 32.5V 17.1V 308A Through Hole DO-201 15.3V 1µA 2 1500W - 1 -65 °C
RS stock no. 102-6162
Mfr. Part No.P6KE6V8CA
R 2.69
Each (In a Bag of 1000)
units
Single Bi-Directional 13.4V 6.45V 298A Through Hole DO-15 5.8V 1mA 2 600W - 1 -65 °C
RS stock no. 486-1130
Mfr. Part No.P6KE6V8CA
R 7.302
Each (In a Pack of 10)
units
Single Bi-Directional 13.4V 6.45V 298A Through Hole DO-15 5.8V 1mA 2 600W - 1 -65 °C
RS stock no. 919-6383
Mfr. Part No.1.5KE33CA
R 5.194
Each (In a Bag of 600)
units
Single Bi-Directional 59V 31.4V 169A Through Hole DO-201 28.2V 1µA 2 1500W - 1 -65 °C
RS stock no. 165-6844
Mfr. Part No.ESDAXLC6-1BT2
R 1.119
Each (On a Reel of 12000)
units
Single Bi-Directional 17V 6V 1.3A Surface Mount SOD-882 3V 70nA 2 40W Yes 1 -40 °C
RS stock no. 486-4319
Mfr. Part No.1.5KE33CA
R 10.274
Each (In a Pack of 5)
units
Single Bi-Directional 59V 31.4V 169A Through Hole DO-201 28.2V 1µA 2 1500W - 1 -65 °C
RS stock no. 919-6438
Mfr. Part No.BZW50-47B
R 28.81
Each (In a Bag of 100)
units
Single Bi-Directional 108V 52V 556A Through Hole R 6 47V 5µA 2 5000W - 1 -65 °C
RS stock no. 919-6393
Mfr. Part No.1.5KE400CA
R 8.763
Each (In a Bag of 600)
units
Single Bi-Directional 706V 380V 14A Through Hole DO-201 342V 1µA 2 1500W - 1 -65 °C
RS stock no. 486-4381
Mfr. Part No.1.5KE400CA
R 14.788
Each (In a Pack of 5)
units
Single Bi-Directional 706V 380V 14A Through Hole DO-201 342V 1µA 2 1500W - 1 -65 °C
RS stock no. 791-9138
Mfr. Part No.ESDAXLC6-1BT2
R 1.661
Each (In a Pack of 100)
units
Single Bi-Directional 17V 6V 1.3A Surface Mount SOD-882 3V 70nA 2 40W Yes 1 -40 °C
RS stock no. 486-1118
Mfr. Part No.BZW50-47B
R 53.94
Each
units
Single Bi-Directional 108V 52V 556A Through Hole R 6 47V 5µA 2 5000W - 1 -65 °C