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. 510-291
Mfr. Part No.IP4220CZ6,125
BrandNexperia
TWD10.80
Each (In a Pack of 10)
units
Complex Array - - - Surface Mount TSOP - 6 - - - 4 -40 °C +85 °C
RS Stock No. 166-1517
Mfr. Part No.IP4220CZ6,125
BrandNexperia
TWD3.80
Each (On a Reel of 3000)
units
Complex Array - - - Surface Mount TSOP - 6 - - - 4 -40 °C +85 °C
RS Stock No. 543-8911
Mfr. Part No.P6KE200A
TWD15.00
Each (In a Pack of 5)
units
Single Uni-Directional 274V 190V Through Hole DO-15 171V 2 600W 2.2A - 1 -65 °C +175 °C
RS Stock No. 165-2507
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
TWD6.20
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. 628-7304
Mfr. Part No.SMBJ5.0A-E3/52
BrandVishay
TWD11.60
Each (In a Pack of 5)
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. 166-2526
Mfr. Part No.P6KE200A
TWD5.60
Each (On a Reel of 4000)
units
Single Uni-Directional 274V 190V Through Hole DO-15 171V 2 600W 2.2A - 1 -65 °C +175 °C
RS Stock No. 165-6964
Mfr. Part No.SA6.5CA-E3/54
BrandVishay
TWD11.90
Each (On a Reel of 4000)
units
Single Bi-Directional 11.2V 7.22V Through Hole DO-204AC 6.5V 2 500W 44.7A - 1 -55 °C +175 °C
RS Stock No. 812-9294
Mfr. Part No.SA6.5CA-E3/54
BrandVishay
TWD12.20
Each (In a Pack of 20)
units
Single Bi-Directional 11.2V 7.22V Through Hole DO-204AC 6.5V 2 500W 44.7A - 1 -55 °C +175 °C
RS Stock No. 773-4520
Mfr. Part No.CD143A-SR05
BrandBourns
TWD26.00
Each (In a Pack of 10)
units
Complex Array Uni-Directional 20V 6V Surface Mount SOT-143 - 4 500W 30A Yes 5 -55 °C +150 °C
RS Stock No. 165-3034
Mfr. Part No.CD143A-SR05
BrandBourns
TWD13.40
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 20V 6V Surface Mount SOT-143 - 4 500W 30A Yes 5 -55 °C +150 °C
RS Stock No. 717-3439
Mfr. Part No.TBU-CA065-200-WH
BrandBourns
TWD64.20
Each (In a Pack of 5)
units
Single Bi-Directional 650V - Surface Mount DFN 20V 2 - 0.4A - 1 -55 °C +125 °C
RS Stock No. 177-5418
Mfr. Part No.TBU-CA065-200-WH
BrandBourns
TWD26.10
Each (On a Reel of 3000)
units
Single Bi-Directional 650V - Surface Mount DFN 20V 2 - 0.4A - 1 -55 °C +125 °C
RS Stock No. 165-2619
Mfr. Part No.ICTE-5
BrandVishay
TWD37.60
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. 921-0095
Mfr. Part No.UCLAMP3301D.TCT
BrandSemtech
TWD22.80
Each (In a Pack of 10)
units
Single Uni-Directional 9.5V 3.5V Surface Mount SOD-323 3.3V 2 100W 10A Yes 3 -55 °C +125 °C
RS Stock No. 170-1011
Mfr. Part No.UCLAMP3301D.TCT
BrandSemtech
TWD15.20
Each (On a Reel of 3000)
units
Single Uni-Directional 9.5V 3.5V Surface Mount SOD-323 3.3V 2 100W 10A Yes 3 -55 °C +125 °C
RS Stock No. 485-4851
Mfr. Part No.ICTE5-E3/54
BrandVishay
TWD62.20
Each (In a Pack of 5)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 110-7752
Mfr. Part No.ESD112B102ELE6327XTMA1
BrandInfineon
TWD4.30
Each (In a Pack of 100)
units
Single Bi-Directional 44V 7V Surface Mount TSLP - 2 - 3A Yes 1 -55 °C +125 °C
RS Stock No. 166-1167
Mfr. Part No.ESD112B102ELE6327XTMA1
BrandInfineon
TWD2.90
Each (On a Reel of 15000)
units
Single Bi-Directional 44V 7V Surface Mount TSLP - 2 - 3A Yes 1 -55 °C +125 °C
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. 714-7140
Mfr. Part No.SMBJ12CA-TR
TWD9.90
Each (In a Pack of 25)
units
Single Bi-Directional 25.3V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 157A - 1 -55 °C +150 °C