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. 172-3291
Mfr. Part No.SMAJ33A-Q
BrandBourns
€0.072
Each (In a Pack of 50)
units
Single Uni-Directional 53.3V 36.7V - Surface Mount DO-214AC (SMA) 33V 1µA 2 400W Yes 1 -55 °C
RS Stock No. 827-5148
Mfr. Part No.ESD0P8RFLE6327XTSA1
BrandInfineon
€0.06
Each (In a Pack of 100)
units
Isolated Bi-Directional 15V - 10A Surface Mount TSLP - 100nA 4 - Yes 2 -55 °C
RS Stock No. 795-6818
Mfr. Part No.SMAJ170CA-TR
€0.155
Each (On a Tape of 50)
units
Single Bi-Directional 353V 189V 6.5A Surface Mount DO-214AC (SMA) 170V 1µA 2 400W - 1 -55 °C
RS Stock No. 166-1916
Mfr. Part No.SMBJ36CA
€0.108
Each (On a Reel of 3000)
units
Single Bi-Directional 58.1V 40V 10.4A Surface Mount DO-214AA (SMB) 36V 1µA 2 600W - 1 -65 °C
RS Stock No. 168-6325
Mfr. Part No.SM15T22CA
€0.254
Each (On a Reel of 2500)
units
Single Bi-Directional 39.3V 20.9V 254A Surface Mount SMC 18.8V 1µA 2 1500W - 1 -55 °C
RS Stock No. 508-456
Mfr. Part No.PESD24VS1UB,115
BrandNexperia
€0.27
Each (In a Pack of 20)
units
Single Uni-Directional 70V 26.5V 3A Surface Mount I-IGIA 24V 50nA 2 160W Yes 1 -65 °C
RS Stock No. 170-1010
Mfr. Part No.RCLAMP0521PATCT
BrandSemtech
€0.276
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. 165-6167
Mfr. Part No.5KP45A-E3/54
BrandVishay
€1.14
Each (On a Reel of 800)
units
Single Uni-Directional 72.7V 50V 68.8A Through Hole P600 45V 2µA 2 5000W - 1 -55 °C
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
RS Stock No. 795-6856
Mfr. Part No.SMAJ70A-TR
€0.248
Each (On a Tape of 25)
units
Single Uni-Directional 146V 77.8V 16A Surface Mount DO-214AC (SMA) 70V 1µA 2 400W - 1 -55 °C
RS Stock No. 171-8352
Mfr. Part No.NSP8814MUTAG
€0.248
Each (On a Reel of 3000)
units
Array Uni-Directional 15V 3.2V 35A Surface Mount UDFN - 500nA 8 - Yes 4 -55 °C
RS Stock No. 166-2568
Mfr. Part No.P6KE56A
€0.097
Each (On a Reel of 4000)
units
Single Uni-Directional 77V 53.2V 7.8A Through Hole DO-15 47.8V 5µA 2 600W - 1 -65 °C
RS Stock No. 171-6736
Mfr. Part No.15KPA48CA
BrandLittelfuse
€6.77
Each (On a Reel of 800)
units
Single Bi-Directional 77.7V 53.6V 194.3A Through Hole P600 48V 2µA 2 15000W Yes 1 -55 °C
RS Stock No. 725-8792
Mfr. Part No.PESD5V0U1UB,115
BrandNexperia
€0.259
Each (On a Tape of 20)
units
Single Uni-Directional - 5.8V - Surface Mount SOD-523 5V 100µA 2 - Yes 1 -55 °C
RS Stock No. 903-5768
Mfr. Part No.SMAJ40A
€0.05
Each (On a Reel of 5000)
units
Single Uni-Directional 64.5V 44.4V 6.2A Surface Mount DO-214AC (SMA) 40V 5µA 2 400W - 1 -55 °C
RS Stock No. 919-6434
Mfr. Part No.SM15T68CA
€0.302
Each (On a Reel of 2500)
units
Single Bi-Directional 121V 64.6V 83A Surface Mount SMC 58V 1µA 2 1500W - 1 -55 °C
RS Stock No. 919-6456
Mfr. Part No.SM6T6V8CA
€0.14
Each (On a Reel of 2500)
units
Single Bi-Directional 13.4V 6.45V 298A Surface Mount DO-214AA (SMB) 5.8V 20µA 2 600W - 1 -55 °C
RS Stock No. 146-0601
Mfr. Part No.RCLAMP0504P.TCT
BrandSemtech
€0.409
Each (On a Reel of 3000)
units
Single Uni-Directional 25V 6V 6A Surface Mount SLP EP 5V 3µA 6 150W Yes 1 -55 °C
RS Stock No. 903-5998
Mfr. Part No.SMBJ58CA
€0.06
Each (On a Reel of 3000)
units
Single Bi-Directional 93.6V 64.4V 6.4A Surface Mount DO-214AA (SMB) 58V 5µA 2 600W - 1 -55 °C
RS Stock No. 691-0809
Mfr. Part No.SM24.TCT
BrandSemtech
€0.429
Each (In a Pack of 10)
units
Common Anode Uni-Directional 43V 26.7V 12A Surface Mount SOT-23 24V 1µA 3 300W Yes 2 -55 °C
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