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. 486-4189
Mfr. Part No.1.5KE15CA
TWD22.60
Each (In a Pack of 5)
units
Single Bi-Directional 27.2V 14.3V Through Hole DO-201 12.8V 2 1500W 368A - 1 -65 °C +175 °C
RS Stock No. 919-0240
Mfr. Part No.MSP3V3-M3/89A
BrandVishay
TWD2.10
Each (On a Reel of 4500)
units
Single Uni-Directional 11V 4.1V Surface Mount μSMP 3.3V 2 100W 75A Yes 1 -55 °C +150 °C
RS Stock No. 691-0883
Mfr. Part No.SRV05-4.TCT
BrandSemtech
TWD42.20
Each (In a Pack of 5)
units
Single Uni-Directional 17.5V 6V Surface Mount SOT-23 5V 6 300W 12A Yes 1 -55 °C +125 °C
RS Stock No. 170-0851
Mfr. Part No.SRV05-4.TCT
BrandSemtech
TWD15.80
Each (On a Reel of 3000)
units
Single Uni-Directional 17.5V 6V Surface Mount SOT-23 5V 6 300W 12A Yes 1 -55 °C +125 °C
RS Stock No. 786-2909
Mfr. Part No.ESD5Z2.5T1G
TWD1.70
Each (In a Pack of 100)
units
Single Uni-Directional 10.9V 4V Surface Mount SOD-523 2.5V 2 120W 11A Yes 1 -55 °C +150 °C
RS Stock No. 710-3055
Mfr. Part No.MSP3V3-M3/89A
BrandVishay
TWD7.20
Each (In a Pack of 20)
units
Single Uni-Directional 11V 4.1V Surface Mount μSMP 3.3V 2 100W 75A Yes 1 -55 °C +150 °C
RS Stock No. 508-737
Mfr. Part No.PESD5V0S1BA,115
BrandNexperia
TWD11.40
Each (In a Pack of 20)
units
Single Bi-Directional 14V 5.5V Surface Mount SOD-323 5V 2 130W 12A Yes 1 -65 °C +150 °C
RS Stock No. 169-0735
Mfr. Part No.SMBJ5.0A
BrandLittelfuse
TWD3.70
Each (On a Reel of 3000)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.3A - 1 -65 °C +150 °C
RS Stock No. 764-5647
Mfr. Part No.SMBJ5.0A
BrandLittelfuse
TWD9.60
Each (In a Pack of 25)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-214AA (SMB) 5V 2 600W 65.3A - 1 -65 °C +150 °C
RS Stock No. 145-3063
Mfr. Part No.ESD5Z2.5T1G
TWD0.90
Each (On a Reel of 3000)
units
Single Uni-Directional 10.9V 4V Surface Mount SOD-523 2.5V 2 120W 11A Yes 1 -55 °C +150 °C
RS Stock No. 124-2381
Mfr. Part No.PESD5V0S1BA,115
BrandNexperia
TWD3.40
Each (On a Reel of 3000)
units
Single Bi-Directional 14V 5.5V Surface Mount SOD-323 5V 2 130W 12A Yes 1 -65 °C +150 °C
RS Stock No. 791-7902
Mfr. Part No.STRVS280X02F
TWD24.30
Each (In a Pack of 50)
units
Single Uni-Directional 280V 209V Through Hole DO-201 188V 2 - 2A - 1 -55 °C +175 °C
RS Stock No. 166-0038
Mfr. Part No.PESD5Z2.5,115
BrandNexperia
TWD1.40
Each (On a Reel of 3000)
units
Single Uni-Directional 15V 4V Surface Mount SOD-523 2.5V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 767-3728
Mfr. Part No.CDSOT23-SM712
BrandBourns
TWD46.40
Each (In a Pack of 10)
units
Series Bi-Directional 26V 7.5V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +150 °C
RS Stock No. 178-5041
Mfr. Part No.STRVS280X02F
TWD17.70
Each (On a Reel of 600)
units
Single Uni-Directional 280V 209V Through Hole DO-201 188V 2 - 2A - 1 -55 °C +175 °C
RS Stock No. 918-9534
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
TWD13.50
Each (On a Reel of 1400)
units
Single Bi-Directional 23.5V 14.4V Through Hole 1.5KE 12.9V 2 1500W 63.8A Yes 1 -55 °C +175 °C
RS Stock No. 165-2265
Mfr. Part No.SMF5V0A-E3-08
BrandVishay
TWD3.50
Each (On a Reel of 3000)
units
Single Uni-Directional 9.2V 6.4V Surface Mount DO-219AB 5V 2 1000W 21.7A Yes 1 -55 °C +150 °C
RS Stock No. 168-8829
Mfr. Part No.ESDAVLC12-1BV2
TWD2.10
Each (On a Reel of 20000)
units
Single Bi-Directional 20V 12V Surface Mount ST01005 10.5V 2 - 1.5A Yes 1 -40 °C +125 °C
RS Stock No. 781-6789
Mfr. Part No.PESD5Z2.5,115
BrandNexperia
TWD2.60
Each (In a Pack of 100)
units
Single Uni-Directional 15V 4V Surface Mount SOD-523 2.5V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 699-7931
Mfr. Part No.1.5KE16CA-E3/54
BrandVishay
TWD18.40
Each (In a Pack of 10)
units
Single Bi-Directional 23.5V 14.4V Through Hole 1.5KE 12.9V 2 1500W 63.8A Yes 1 -55 °C +175 °C