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. 919-6529
Mfr. Part No.BZW50-33B
$2.438
Each (In a Bag of 100)
units
Single Bi-Directional 76V 36.6V Through Hole R 6 33V 2 5000W 789A - 1 -65 °C +175 °C
RS Stock No. 714-7030
Mfr. Part No.BZW50-33B
$5.065
Each (In a Pack of 2)
units
Single Bi-Directional 76V 36.6V Through Hole R 6 33V 2 5000W 789A - 1 -65 °C +175 °C
RS Stock No. 919-6535
Mfr. Part No.SMBJ5.0CA-TR
$0.127
Each (On a Reel of 2500)
units
Single Bi-Directional 13.4V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 298A - 1 -55 °C +150 °C
RS Stock No. 714-7229
Mfr. Part No.SMBJ5.0CA-TR
$0.398
Each (In a Pack of 25)
units
Single Bi-Directional 13.4V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 298A - 1 -55 °C +150 °C
RS Stock No. 920-6266
Mfr. Part No.USBLC6-2SC6
$0.176
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 624-7693
Mfr. Part No.USBLC6-2SC6
$0.537
Each (In a Pack of 10)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 486-4369
Mfr. Part No.1.5KE39CA
$1.095
Each (In a Pack of 10)
units
Single Bi-Directional 69.7V 37.1V Through Hole DO-201 33.3V 2 1500W 143A - 1 -65 °C +175 °C
RS Stock No. 919-6399
Mfr. Part No.1.5KE39CA
$0.313
Each (In a Bag of 600)
units
Single Bi-Directional 69.7V 37.1V Through Hole DO-201 33.3V 2 1500W 143A - 1 -65 °C +175 °C
RS Stock No. 168-6863
Mfr. Part No.BZW50-180B
$3.219
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. 919-6393
Mfr. Part No.1.5KE400CA
$0.537
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. 124-1110
Mfr. Part No.ESDCAN03-2BWY
$0.303
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
$0.13
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. 714-7024
Mfr. Part No.BZW50-180B
$4.18
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. 486-4381
Mfr. Part No.1.5KE400CA
$1.714
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. 249-050
Mfr. Part No.DALC208SC6
$0.891
Each (In a Pack of 10)
units
Complex Array - - - Surface Mount SOT-23 - 6 - - - 4 -55 °C +150 °C
RS Stock No. 178-7414
Mfr. Part No.SMAJ15A-TR
$0.144
Each (On a Reel of 5000)
units
Single Uni-Directional 32.5V 16.7V Surface Mount DO-214AC (SMA) 15V 2 400W 71A Yes 1 -55 °C +150 °C
RS Stock No. 920-6373
Mfr. Part No.DALC208SC6
$0.34
Each (On a Reel of 3000)
units
Complex Array - - - Surface Mount SOT-23 - 6 - - - 4 -55 °C +150 °C
RS Stock No. 486-0711
Mfr. Part No.1.5KE440CA
$1.854
Each (In a Pack of 5)
units
Single Bi-Directional 776V 418V Through Hole DO-201 376V 2 1500W 13A - 1 -65 °C +175 °C
RS Stock No. 919-6403
Mfr. Part No.1.5KE440CA
$0.761
Each (In a Bag of 600)
units
Single Bi-Directional 776V 418V Through Hole DO-201 376V 2 1500W 13A - 1 -65 °C +175 °C
RS Stock No. 919-6396
Mfr. Part No.1.5KE36CA
$0.257
Each (In a Bag of 600)
units
Single Bi-Directional 64.3V 34.2V Through Hole DO-201 30.8V 2 1500W 156A - 1 -65 °C +175 °C