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. 764-5625
Mfr. Part No.SMBJ36A
BrandLittelfuse
€0.047
Each (In a Pack of 10)
units
Single Uni-Directional 58.1V 40V 10.4A Surface Mount DO-214AA (SMB) 36V 1µA 2 600W - 1 -65 °C
RS Stock No. 168-1547
Mfr. Part No.RSA30LTE25
BrandROHM
€0.47
Each (In a Pack of 20)
units
Single Uni-Directional 41.4V 28.5V 14.4A Surface Mount PMDS, SOD-106 25.6V 5µA 2 600W Yes 1 -
RS Stock No. 714-7074
Mfr. Part No.SMAJ13A-TR
€0.291
Each (In a Pack of 25)
units
Single Uni-Directional 27.2V 14.4V 85A Surface Mount DO-214AC (SMA) 13V 200nA 2 400W Yes 1 -55 °C
New
RS Stock No. 192-5181
Mfr. Part No.SMA6F23AY
€0.311
Each (In a Pack of 25)
units
Single Uni-Directional 37.8 V, 49.2 V 25.7V 16.4 A, 81 A Surface Mount SMA Flat 23V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 485-4851
Mfr. Part No.ICTE5-E3/54
BrandVishay
€1.01
Each (In a Pack of 5)
units
Single Uni-Directional 7.5V 6V 160A Through Hole 1.5KE 5V 300µA 2 1500W - 1 -55 °C
New
RS Stock No. 192-4766
Mfr. Part No.SMB6F14A
€0.087
Each (On a Reel of 5000)
units
Single Uni-Directional 23.1 V, 29 V 15.7V 26 A, 136 A Surface Mount SMB Flat (DO221-AA) 14V 1µA 2 600W Yes 1 -55 °C
RS Stock No. 163-7313
Mfr. Part No.EMIF02-02OABRY
€0.377
Each (On a Reel of 3000)
units
- - 10.5V 6V 1A Surface Mount QFN - - 6 - Yes 4 -40 °C
RS Stock No. 187-1415
Mfr. Part No.CDSOT23-T03-Q
BrandBourns
€0.14
Each (On a Reel of 3000)
units
Array Uni-Directional 7V 4V 43A Surface Mount SOT-323 3.3V 125µA 3 - Yes 1 -55 °C
RS Stock No. 153-0770
Mfr. Part No.PUSB3AB6Z
BrandNexperia
€0.285
Each (In a Pack of 10)
units
- - 6V 6V 7A Surface Mount DFN2111 5V 100nA 7 - Yes 6 -40 °C
New
RS Stock No. 192-3841
Mfr. Part No.SMA4F13A
€0.063
Each (On a Reel of 10000)
units
Single Uni-Directional 21.5 V, 27.2 V 14.4V 18.6 A, 85 A Surface Mount SMA Flat 13V 1µA 2 400W Yes 1 -55 °C
RS Stock No. 166-1402
Mfr. Part No.PESD15VS1UB,115
BrandNexperia
€0.031
Each (On a Reel of 3000)
units
Single Uni-Directional 40V 17.6V 5A Surface Mount I-IGIA 15V 50nA 2 160W Yes 1 -65 °C
RS Stock No. 795-8498
Mfr. Part No.SMA6J20A-TR
€0.054
Each (On a Tape of 25)
units
Single Uni-Directional 36.8V 22.2V 93A Surface Mount DO-214AC (SMA) 20V 1µA 2 600W - 1 -55 °C
RS Stock No. 792-5559
Mfr. Part No.CM1213-08MR
€0.864
Each (In a Pack of 5)
units
Complex Array - - - - - - - - - - - 8 -
RS Stock No. 166-2286
Mfr. Part No.SMCJ43A
€0.143
Each (On a Reel of 3000)
units
Single Uni-Directional 69.4V 47.8V 21.6A Surface Mount DO-214AB (SMC) 43V 5µA 2 1500W - 1 -
RS Stock No. 751-4975
Mfr. Part No.SMAJ15A-13-F
€0.252
Each (In a Pack of 50)
units
Single Uni-Directional 24.4V 16.7V 16.4A Surface Mount DO-214AC (SMA) 15V 5µA 2 400W - 1 -55 °C
RS Stock No. 906-6901
Mfr. Part No.CPDU5V0
€0.145
Each (In a Pack of 500)
units
Single Bi-Directional 15V 5.1V 5A Surface Mount 0603 (1608M) - 2µA 2 - Yes 2 -
RS Stock No. 145-4067
Mfr. Part No.CM1293A-04SO
€0.024
Each (On a Reel of 3000)
units
Array Uni-Directional 9.9V - 1A Surface Mount SC-74 5.5V 1µA 6 0.22W Yes 13 -40 °C
RS Stock No. 153-1914
Mfr. Part No.PESD24VF1BSFYL
BrandNexperia
€0.072
Each (In a Pack of 25)
units
Dual Bi-Directional 17V 24.5V 1A Surface Mount DSN0603 24V 30nA 2 - Yes 2 -45 °C
RS Stock No. 172-3325
Mfr. Part No.ESDM3551N2T5G
€0.032
Each (On a Reel of 8000)
units
Single Bi-Directional 6V 5.6V 9.9A Surface Mount X2DFN 5.5V 100nA 2 - Yes 1 -55 °C
RS Stock No. 819-3712
Mfr. Part No.SMBJ26CAHE3/52
BrandVishay
€0.129
Each (In a Pack of 20)
units
Single Bi-Directional 42.1V 28.9V 14.3A Surface Mount DO-214AA (SMB) 26V 1µA 2 600W - 1 -55 °C
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