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. 166-0037
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
MYR0.233
Each (On a Reel of 3000)
units
Single Uni-Directional 18V 5V Surface Mount SOD-523 3.3V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 165-8777
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
MYR0.294
Each (On a Reel of 3000)
units
Single Uni-Directional - 4.5V Surface Mount SOD-323 3.3V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 780-5385
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
MYR0.397
Each (In a Pack of 100)
units
Single Uni-Directional 18V 5V Surface Mount SOD-523 3.3V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 816-6741
Mfr. Part No.PESD3V3U1UA,115
BrandNexperia
MYR1.18
Each (In a Pack of 50)
units
Single Uni-Directional - 4.5V Surface Mount SOD-323 3.3V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 815-0998
Mfr. Part No.5KP36A-E3/54
BrandVishay
MYR7.53
Each (In a Pack of 5)
units
Single Uni-Directional 58.1V 40V Through Hole P600 36V 2 5000W 86.1A - 1 -55 °C +175 °C
RS Stock No. 165-2285
Mfr. Part No.1.5KE220A-E3/54
BrandVishay
MYR2.432
Each (On a Tape of 1400)
units
Single Uni-Directional 328V 209V Through Hole 1.5KE 185V 2 1500W 4.6A - 1 -55 °C +175 °C
RS Stock No. 919-6400
Mfr. Part No.1.5KE68CA
MYR1.87
Each (In a Bag of 600)
units
Single Bi-Directional 121V 64.6V Through Hole DO-201 58V 2 1500W 83A - 1 -65 °C +175 °C
RS Stock No. 629-5305
Mfr. Part No.1.5KE220A-E3/54
BrandVishay
MYR2.41
Each (In a Pack of 5)
units
Single Uni-Directional 328V 209V Through Hole 1.5KE 185V 2 1500W 4.6A - 1 -55 °C +175 °C
RS Stock No. 165-6268
Mfr. Part No.ICTE5-E3/54
BrandVishay
MYR3.501
Each (On a Tape of 1400)
units
Single Uni-Directional 7.1V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 815-2581
Mfr. Part No.ICTE5-E3/54
BrandVishay
MYR3.145
Each (In a Pack of 10)
units
Single Uni-Directional 7.1V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 486-4173
Mfr. Part No.1.5KE15A
MYR2.02
Each (In a Pack of 10)
units
Single Uni-Directional 27.2V 14.3V Through Hole DO-201 12.8V 2 1500W 368A - 1 -65 °C +175 °C
RS Stock No. 102-6174
Mfr. Part No.1.5KE15A
MYR1.04
Each (In a Bag of 600)
units
Single Uni-Directional 27.2V 14.3V Through Hole DO-201 12.8V 2 1500W 368A - 1 -65 °C +175 °C
RS Stock No. 486-4432
Mfr. Part No.1.5KE68CA
MYR3.48
Each (In a Pack of 5)
units
Single Bi-Directional 121V 64.6V Through Hole DO-201 58V 2 1500W 83A - 1 -65 °C +175 °C
RS Stock No. 624-7693
Mfr. Part No.USBLC6-2SC6
MYR1.53
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. 169-9101
Mfr. Part No.P6KE16CA R0
MYR1.502
Each (On a Tape of 3500)
units
Single Bi-Directional 22.5V 15.2V Through Hole DO-15 13.6V 2 600W 28A - 1 -55 °C +175 °C
RS Stock No. 920-6288
Mfr. Part No.HDMIULC6-4SC6
MYR0.883
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - - Yes 4 -55 °C +125 °C
RS Stock No. 687-3841
Mfr. Part No.P6KE16CA R0
MYR4.493
Each (In a Pack of 20)
units
Single Bi-Directional 22.5V 15.2V Through Hole DO-15 13.6V 2 600W 28A - 1 -55 °C +175 °C
RS Stock No. 628-7629
Mfr. Part No.SMBJ12A-E3/52
BrandVishay
MYR1.39
Each (In a Pack of 5)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 165-8680
Mfr. Part No.SMBJ12CA-13-F
MYR0.38
Each (On a Reel of 3000)
units
Single Bi-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 124-2375
Mfr. Part No.PESD24VL1BA,115
BrandNexperia
MYR0.409
Each (On a Reel of 3000)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 200W 3A Yes 1 -65 °C +150 °C