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. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
$0.259
Each (On a Reel of 750)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.2A - 1 -55 °C +150 °C
RS Stock No. 168-6271
Mfr. Part No.SM6T22CA
$0.248
Each (On a Reel of 2500)
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. 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. 486-4347
Mfr. Part No.1.5KE36CA
$1.20
Each (In a Pack of 5)
units
Single Bi-Directional 64.3V 34.2V Through Hole DO-201 30.8V 2 1500W 156A - 1 -65 °C +175 °C
RS Stock No. 919-6396
Mfr. Part No.1.5KE36CA
$0.652
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
RS Stock No. 814-1354
Mfr. Part No.SM8S10AHE3_A/I
BrandVishay
$6.78
Each (On a Tape of 5)
units
Single Uni-Directional 17V 11.1V Surface Mount DO-218AB 10V 2 6600W 388A - 1 -55 °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. 165-6960
Mfr. Part No.SA6.0CA-E3/54
BrandVishay
$0.771
Each (On a Reel of 4000)
units
Single Bi-Directional 10.3V 6.67V Through Hole DO-204AC 6V 2 500W 48.5A - 1 -55 °C +175 °C
RS Stock No. 173-3943
Mfr. Part No.SM8S10AHE3_A/I
BrandVishay
$3.615
Each (On a Reel of 5500)
units
Single Uni-Directional 17V 11.1V Surface Mount DO-218AB 10V 2 6600W 388A - 1 -55 °C +175 °C
RS Stock No. 812-9281
Mfr. Part No.SA6.0CA-E3/54
BrandVishay
$0.769
Each (In a Pack of 20)
units
Single Bi-Directional 10.3V 6.67V Through Hole DO-204AC 6V 2 500W 48.5A - 1 -55 °C +175 °C
RS Stock No. 802-2411
Mfr. Part No.SMCJ12A
$0.769
Each (In a Pack of 20)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AB (SMC) 12V 2 1500W 75.3A - 1 - +150 °C
RS Stock No. 496-2996
Mfr. Part No.B72500D0200A060
BrandEPCOS
$0.379
Each (In a Pack of 25)
units
Single Bi-Directional 50V 25V Surface Mount SOD-523 22V 2 2200W 30A Yes 1 -40 °C +85 °C
RS Stock No. 166-3168
Mfr. Part No.SMCJ12A
$0.468
Each (On a Reel of 3000)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AB (SMC) 12V 2 1500W 75.3A - 1 - +150 °C
RS Stock No. 178-7414
Mfr. Part No.SMAJ15A-TR
$0.169
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. 815-2572
Mfr. Part No.ICTE18-E3/54
BrandVishay
$0.994
Each (In a Pack of 10)
units
Single Uni-Directional 24.2V 21.2V Through Hole 1.5KE 18V 2 1500W 50A - 1 -55 °C +175 °C
RS Stock No. 166-1388
Mfr. Part No.PESD12VL1BA,115
BrandNexperia
$0.167
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. 485-7002
Mfr. Part No.BZW50-33
$4.75
Each
units
Single Uni-Directional 76V 36.6V Through Hole R 6 33V 2 5000W 789A - 1 -65 °C +175 °C
RS Stock No. 637-0709
Mfr. Part No.SA30A-E3/54
BrandVishay
$0.688
Each (In a Pack of 5)
units
Single Uni-Directional 48.4V 33.3V Through Hole DO-204AC 30V 2 500W 10A Yes 1 -55 °C +175 °C
RS Stock No. 508-024
Mfr. Part No.PESD12VL1BA,115
BrandNexperia
$0.52
Each (In a Pack of 20)
units
Single Bi-Directional 37V 14.2V Surface Mount UMD 12V 2 200W 5A Yes 1 -65 °C +150 °C
RS Stock No. 919-6403
Mfr. Part No.1.5KE440CA
$0.729
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
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