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. 166-3098
Mfr. Part No.1V5KE300CA
$1.19
Each (On a Reel of 1250)
units
Single Bi-Directional 414V 285V Through Hole DO-201AE 256V 2 1500W 3.8A - 1 -55 °C +175 °C
RS Stock No. 486-4965
Mfr. Part No.SM6T22CA
$0.726
Each (In a Pack of 5)
units
Single Bi-Directional 39.3V 20.9V Surface Mount DO-214AA (SMB) 18.8V 2 600W 102A - 1 -55 °C +150 °C
RS Stock No. 508-686
Mfr. Part No.PESD5V0L5UY,115
BrandNexperia
$0.435
Each (In a Pack of 20)
units
Common Anode Uni-Directional 12V 6.4V Surface Mount UMT 5V 6 25W 2.5A Yes 5 -65 °C +150 °C
RS Stock No. 102-6165
Mfr. Part No.BZW50-33
$3.16
Each (In a Bag of 100)
units
Single Uni-Directional 76V 36.6V Through Hole R 6 33V 2 5000W 789A - 1 -65 °C +175 °C
RS Stock No. 710-0671
Mfr. Part No.1.5SMC400A-E3/57T
BrandVishay
$1.07
Each (In a Pack of 10)
units
Single Uni-Directional 548V 380V Surface Mount SMC 342V 2 1500W 2.7A - 1 -65 °C +150 °C
RS Stock No. 629-5254
Mfr. Part No.ICTE12-E3/54
BrandVishay
$1.966
Each (In a Pack of 5)
units
Single Uni-Directional 16.5V 14.1V Through Hole 1.5KE 12V 2 1500W 70A - 1 -55 °C +175 °C
RS Stock No. 179-1155
Mfr. Part No.SMAJ24CA-13-F
$0.131
Each (On a Reel of 5000)
units
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AC (SMA) 24V 2 400W 10.3A - 1 -55 °C +150 °C
RS Stock No. 165-6266
Mfr. Part No.ICTE18-E3/54
BrandVishay
$1.625
Each (On a Tape of 1400)
units
Single Uni-Directional 24.2V 21.2V Through Hole 1.5KE 18V 2 1500W 50A - 1 -55 °C +175 °C
RS Stock No. 486-1118
Mfr. Part No.BZW50-47B
$4.39
Each
units
Single Bi-Directional 108V 52V Through Hole R 6 47V 2 5000W 556A - 1 -65 °C +175 °C
RS Stock No. 485-7002
Mfr. Part No.BZW50-33
$4.44
Each
units
Single Uni-Directional 76V 36.6V Through Hole R 6 33V 2 5000W 789A - 1 -65 °C +175 °C
RS Stock No. 486-0711
Mfr. Part No.1.5KE440CA
$1.30
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. 885-5643
Mfr. Part No.SMBJ7.0A-13-F
$0.449
Each (In a Pack of 50)
units
Single Uni-Directional 12V 7.78V Surface Mount DO-214AA (SMB) 7V 2 600W 50A - 1 -55 °C +150 °C
RS Stock No. 714-1029
Mfr. Part No.SMAJ15A-TR
$0.497
Each (In a Pack of 20)
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. 166-1388
Mfr. Part No.PESD12VL1BA,115
BrandNexperia
$0.151
Each (On a Reel of 3000)
units
Single Bi-Directional 37V 14.2V Surface Mount UMD 12V 2 200W 5A Yes 1 -65 °C +150 °C
RS Stock No. 920-6373
Mfr. Part No.DALC208SC6
$0.171
Each (On a Reel of 3000)
units
Complex Array - - - Surface Mount SOT-23 - 6 - - - 4 -55 °C +150 °C
RS Stock No. 134-9473
Mfr. Part No.B72500D0200A060
BrandEPCOS
$0.102
Each (On a Reel of 4000)
units
Single Bi-Directional 50V 25V Surface Mount SOD-523 22V 2 2200W 30A Yes 1 -40 °C +85 °C
RS Stock No. 166-1409
Mfr. Part No.PESD24VL2BT,215
BrandNexperia
$0.20
Each (On a Reel of 3000)
units
Series Bi-Directional 70V 25.4V Surface Mount SOT-23 (TO-236AB) 24V 3 200W 3A Yes 2 -65 °C +150 °C
RS Stock No. 903-5468
Mfr. Part No.1.5KE51A
$0.126
Each (On a Tape of 1200)
units
Single Uni-Directional 70.1V 48.5V Through Hole DO-201 43.6V 2 1500W 21.4A - 1 -55 °C +150 °C
RS Stock No. 178-7414
Mfr. Part No.SMAJ15A-TR
$0.15
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. 773-7670
Mfr. Part No.LC03-6R2G
$1.53
Each (In a Pack of 5)
units
Complex Array Bi-Directional 20V 6.8V Surface Mount SOIC 5V 8 2000W 100A Yes 5 -55 °C +150 °C
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