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
MYR0.174
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. 486-4432
Mfr. Part No.1.5KE68CA
MYR3.41
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. 165-6164
Mfr. Part No.5KP36A-E3/54
BrandVishay
MYR8.385
Each (On a Reel of 800)
units
Single Uni-Directional 58.1V 40V Through Hole P600 36V 2 5000W 86.1A - 1 -55 °C +175 °C
RS Stock No. 486-4173
Mfr. Part No.1.5KE15A
MYR2.101
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
MYR1.081
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. 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. 780-5385
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
MYR0.289
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. 815-2581
Mfr. Part No.ICTE5-E3/54
BrandVishay
MYR2.86
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. 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. 165-2285
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
MYR1.701
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. 815-0998
Mfr. Part No.5KP36A-E3/54
BrandVishay
MYR6.774
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. 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. 764-5464
Mfr. Part No.5KP36CA
BrandLittelfuse
MYR11.21
Each (In a Pack of 5)
units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C +175 °C
RS Stock No. 165-9844
Mfr. Part No.SMBJ28A
BrandLittelfuse
MYR0.388
Each (On a Reel of 3000)
units
Single Uni-Directional 45.4V 31.1V Surface Mount DO-214AA (SMB) 28V 2 600W 13.3A - 1 -65 °C +150 °C
RS Stock No. 812-0203
Mfr. Part No.TPD4E001DBVR
MYR2.069
Each (In a Pack of 25)
units
Complex Array Uni-Directional 100V 11V Surface Mount SOT-23 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
RS Stock No. 166-0627
Mfr. Part No.5KP36CA
BrandLittelfuse
MYR5.862
Each (On a Reel of 800)
units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C +175 °C
RS Stock No. 145-4208
Mfr. Part No.MMQA27VT1G
MYR0.344
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 39V 25.7V Surface Mount SC-74 21V 6 150W - Yes 4 -55 °C +150 °C
RS Stock No. 165-7189
Mfr. Part No.1N6373-E3/54
BrandVishay
MYR1.418
Each (On a Tape of 1400)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 121-9348
Mfr. Part No.TPD4E001DBVR
MYR1.765
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 100V 11V Surface Mount SOT-23 5.5V 6 100W 5.5A Yes 4 -40 °C +85 °C
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