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 Maximum Peak Pulse Current Mounting Type Package Type Maximum Reverse Stand-off Voltage Maximum Reverse Leakage Current Pin Count Peak Pulse Power Dissipation ESD Protection Number of Elements per Chip Minimum Operating Temperature
RS Stock No. 168-7721
Mfr. Part No.DSILC6-4P6
€0.277
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - 6V 5A Surface Mount SOT-666 5V 500nA 6 90W Yes 4 -
New
RS Stock No. 192-4747
Mfr. Part No.SMA6F31A
€0.083
Each (On a Reel of 10000)
units
Single Uni-Directional 50.2 V, 65 V 34.2V 12.3 A, 61 A Surface Mount SMA Flat 31V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 171-4141
Mfr. Part No.SMBJ26A
BrandLittelfuse
€0.12
Each (On a Reel of 3000)
units
Single Uni-Directional 42.1V 28.9V 14.3A Surface Mount DO-214AA (SMB) 26V 1µA 2 600W Yes 1 -65 °C
RS Stock No. 166-0146
Mfr. Part No.PTVS26VS1UR,115
BrandNexperia
€0.073
Each (On a Reel of 3000)
units
Single Uni-Directional 42.1V 28.9V 9.5A Surface Mount SOD-123W 26V 100nA 2 400W Yes 1 -55 °C
RS Stock No. 168-6121
Mfr. Part No.BZW50-22
€1.822
Each (On a Tape of 100)
units
Single Uni-Directional 51V 24.4V 1177A Through Hole R 6 22V 5µA 2 5000W - 1 -65 °C
RS Stock No. 170-1010
Mfr. Part No.RCLAMP0521PATCT
BrandSemtech
€0.258
Each (On a Reel of 3000)
units
Single Uni-Directional 15V 6V 5A Surface Mount SLP2510P8 5V 1µA 10 150W Yes 9 -55 °C
RS Stock No. 162-9662
Mfr. Part No.SZP6SMB30AT3G
BrandLittelfuse
€0.174
Each (On a Reel of 2500)
units
Single Uni-Directional 41.4V 28.5V 14.4A Surface Mount DO-214AA (SMB) 25.6V 5µA 2 600W Yes 1 -65 °C
RS Stock No. 795-7174
Mfr. Part No.BZW50-39
€2.48
Each (In a Pack of 2)
units
Single Uni-Directional 90V 43.3V 667A Through Hole R 6 39V 5µA 2 5000W - 1 -
RS Stock No. 170-5359
Mfr. Part No.PESD24VS2UT,215
BrandNexperia
€0.291
Each (In a Pack of 50)
units
- Uni-Directional 70V 26.5V 3A Surface Mount SOT-23 24V 1µA 3 - Yes 2 -65 °C
RS Stock No. 124-5417
Mfr. Part No.NUP4202W1T2G
€0.183
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 20V 6V 8A Surface Mount SOT-363 (SC-88) 5V 5µA 6 500W Yes 4 -40 °C
RS Stock No. 166-3148
Mfr. Part No.SMCJ160A
€0.216
Each (On a Reel of 3000)
units
Single Uni-Directional 259V 178V 5.8A Surface Mount DO-214AB (SMC) 160V 5µA 2 1500W - 1 -
RS Stock No. 496-2974
Mfr. Part No.B72500D0090A060
BrandEPCOS
€0.036
Each (In a Pack of 25)
units
Single Bi-Directional 30V 10V 30A Surface Mount SOD-523 9V 1µA 2 1600W Yes 1 -40 °C
RS Stock No. 795-8502
Mfr. Part No.SMAJ6.0CA-TR
€0.302
Each (In a Pack of 25)
units
Single Bi-Directional 13.7V 6.7V 170A Surface Mount DO-214AC (SMA) 6V 50µA 2 400W - 1 -55 °C
RS Stock No. 822-8559
Mfr. Part No.SMAJ18CA-13-F
€0.248
Each (In a Pack of 25)
units
Single Bi-Directional 29.2V 20V 13.7A Surface Mount DO-214AC (SMA) 18V 5µA 2 400W - 1 -55 °C
RS Stock No. 162-3814
Mfr. Part No.82401444
€0.949
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - 6V - Surface Mount MSOP 5V 5µA 10 - Yes 4 -55 °C
RS Stock No. 145-3850
Mfr. Part No.MMQA20VT1G
€0.052
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 28.6V 19V 0.84A Surface Mount SC-74 15V 75nA 6 150W Yes 4 -55 °C
New
RS Stock No. 192-3830
Mfr. Part No.ESDCAN04-2BLY
€0.065
Each (On a Reel of 3000)
units
Single Bi-Directional 43V 27.5V 3.7A Surface Mount SOT-23 25.5V 50nA 3 230W Yes 1 -55 °C
RS Stock No. 170-0836
Mfr. Part No.SM36.TCT
BrandSemtech
€0.202
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 60V 40V 17A Surface Mount SOT-23 36V 1µA 3 300W Yes 2 -55 °C
RS Stock No. 699-8114
Mfr. Part No.SMCJ28CA-E3/57T
BrandVishay
€0.24
Each (In a Pack of 10)
units
Single Bi-Directional 45.4V 31.1V 33A Surface Mount SMC 28V 1µA 2 1500W - 1 -55 °C
RS Stock No. 508-860
Mfr. Part No.PESD1CAN,215
BrandNexperia
€0.06
Each (In a Pack of 20)
units
Series Bi-Directional 70V 25.4V 3A Surface Mount SOT-23 (TO-236AB) 24V 50nA 3 200W Yes 2 -65 °C
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