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. 166-1559
Mfr. Part No.PESD5V0L5UV,115
BrandNexperia
HK$0.687
Each (On a Reel of 4000)
units
Common Anode Uni-Directional 12V 6.4V Surface Mount SSMini 5V 6 25W 2.5A Yes 5 -65 °C +150 °C
RS Stock No. 714-7080
Mfr. Part No.SMAJ188A-TR
HK$2.771
Each (In a Pack of 25)
units
Single Uni-Directional 388V 209V Surface Mount DO-214AC (SMA) 188V 2 400W 6A Yes 1 -55 °C +150 °C
RS Stock No. 165-2445
Mfr. Part No.SA30A-E3/54
BrandVishay
HK$2.812
Each (On a Reel of 4000)
units
Single Uni-Directional 48.4V 33.3V Through Hole DO-204AC 30V 2 500W 10A Yes 1 -55 °C +175 °C
RS Stock No. 165-6170
Mfr. Part No.5KP85A-E3/54
BrandVishay
HK$16.919
Each (On a Reel of 800)
units
Single Uni-Directional 137V 94.4V Through Hole P600 85V 2 5000W 36.5A - 1 -55 °C +175 °C
RS Stock No. 250-050
Mfr. Part No.ESDA6V1-4BC6
HK$4.542
Each (In a Pack of 10)
units
Complex Array Bi-Directional - 6.1V Surface Mount SOT-23 3V 6 80W - Yes 4 -40 °C +125 °C
RS Stock No. 903-5913
Mfr. Part No.SMBJ6.0CA
HK$0.687
Each (On a Reel of 3000)
units
Single Bi-Directional 10.3V 6.67V Surface Mount DO-214AA (SMB) 6V 2 600W 58.3A - 1 -55 °C +150 °C
RS Stock No. 795-8580
Mfr. Part No.SMA6J130CA-TR
HK$4.676
Each (On a Tape of 50)
units
Single Bi-Directional 223V 144V Surface Mount DO-214AC (SMA) 130V 2 600W 15A - 1 -55 °C +175 °C
RS Stock No. 691-0792
Mfr. Part No.SM05.TCT
BrandSemtech
HK$3.328
Each (In a Pack of 10)
units
Common Anode Uni-Directional 9.8V 6V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +125 °C
RS Stock No. 714-7033
Mfr. Part No.BZW50-27
HK$24.77
Each (In a Pack of 2)
units
Single Uni-Directional 62V 30V Through Hole R 6 27V 2 5000W 968A - 1 -65 °C +175 °C
RS Stock No. 145-9438
Mfr. Part No.SMAJ188A-TR
HK$0.994
Each (On a Reel of 5000)
units
Single Uni-Directional 388V 209V Surface Mount DO-214AC (SMA) 188V 2 400W 6A Yes 1 -55 °C +150 °C
RS Stock No. 780-5385
Mfr. Part No.PESD5Z3.3,115
BrandNexperia
HK$0.766
Each (In a Pack of 100)
units
Single Uni-Directional 18V 5V Surface Mount SOD-523 3.3V 2 260W 20A Yes 1 -65 °C +150 °C
RS Stock No. 751-5073
Mfr. Part No.SMBJ5.0A-13-F
HK$2.503
Each (In a Pack of 25)
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. 145-2752
Mfr. Part No.SMBJ130CA-E3/52
BrandVishay
HK$2.002
Each (On a Reel of 750)
units
Single Bi-Directional 209V 144V Surface Mount DO-214AA (SMB) 130V 2 600W 2.9A - 1 -55 °C +150 °C
RS Stock No. 168-6151
Mfr. Part No.P6KE33A
HK$1.492
Each (On a Tape of 1000)
units
Single Uni-Directional 59V 31.4V Through Hole DO-15 28.2V 2 600W 68A - 1 -65 °C +175 °C
RS Stock No. 918-9304
Mfr. Part No.SMCJ12CA-E3/57T
BrandVishay
HK$3.60
Each (On a Reel of 850)
units
Single Bi-Directional 19.9V 13.3V Surface Mount SMC 12V 2 1500W 75.4A - 1 -55 °C +150 °C
RS Stock No. 124-2404
Mfr. Part No.PRTR5V0U2X,215
BrandNexperia
HK$1.575
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - 6V Surface Mount SOT-143B 5.5V 4 - - Yes 2 -40 °C +85 °C
RS Stock No. 773-4536
Mfr. Part No.CD143A-SR70
BrandBourns
HK$6.788
Each (In a Pack of 10)
units
Complex Array Uni-Directional 7V 85V Surface Mount SOT-143 70V 4 - 24A Yes 4 -55 °C +150 °C
RS Stock No. 146-0659
Mfr. Part No.LSP0600BJR-S
BrandBourns
HK$2.499
Each (On a Reel of 3000)
units
Single Uni-Directional - - Surface Mount DO-214AC (SMA) 6V 2 - - No 1 -40 °C +150 °C
RS Stock No. 638-7640
Mfr. Part No.5KP15A-E3/54
BrandVishay
HK$16.86
Each (In a Pack of 5)
units
Single Uni-Directional 24.4V 16.7V Through Hole P600 15V 2 5000W 205A - 1 -55 °C +175 °C
RS Stock No. 102-8621
Mfr. Part No.ESDA6V1L
HK$0.994
Each (On a Reel of 3000)
units
Common Anode Uni-Directional - 6.1V Surface Mount SOT-23 5.2V 3 300W - Yes 2 -40 °C +125 °C
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