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庫存編號 773-4536
製造零件編號CD143A-SR70
BrandBourns
HK$6.896
/個 (每包:10個)
單位
Complex Array Uni-Directional 7V 85V Surface Mount SOT-143 70V 4 - 24A Yes 4 -55 °C +150 °C
RS庫存編號 146-0655
製造零件編號CD143A-SR70
BrandBourns
HK$3.61
個 (在毎卷:3000)
單位
Complex Array Uni-Directional 7V 85V Surface Mount SOT-143 70V 4 - 24A Yes 4 -55 °C +150 °C
RS庫存編號 773-4583
製造零件編號LSP0600BJR-S
BrandBourns
HK$4.491
/個 (每包:25個)
單位
Single Uni-Directional - - Surface Mount DO-214AC (SMA) 6V 2 - - No 1 -40 °C +150 °C
RS庫存編號 146-0659
製造零件編號LSP0600BJR-S
BrandBourns
HK$2.266
個 (在毎卷:3000)
單位
Single Uni-Directional - - Surface Mount DO-214AC (SMA) 6V 2 - - No 1 -40 °C +150 °C
RS庫存編號 165-3019
製造零件編號CDSOT23-SM712
BrandBourns
HK$5.34
個 (在毎卷:3000)
單位
Series Bi-Directional 26V 7.5V Surface Mount SOT-23 12V 3 400W 17A Yes 2 -55 °C +150 °C
RS庫存編號 165-3029
製造零件編號TISP61089BDR-S
BrandBourns
HK$4.98
個 (在毎卷:2500)
單位
Series - - - Surface Mount SOIC - 8 - - - 2 -40 °C +85 °C
RS庫存編號 717-3473
製造零件編號TBU-CA065-300-WH
BrandBourns
HK$16.212
/個 (每包:5個)
單位
Single Bi-Directional 650V - Surface Mount DFN 20V 2 - 0.6A - 1 -55 °C +125 °C
RS庫存編號 165-3020
製造零件編號SMBJ30A
BrandBourns
HK$0.77
個 (在毎卷:3000)
單位
Single Uni-Directional 48.4V 33.3V Surface Mount DO-214AA (SMB) 30V 2 600W 12.4A - 1 -65 °C +150 °C
全新
RS庫存編號 195-2371
製造零件編號SMA6J5.0A
BrandBourns
HK$0.834
個 (在毎卷:5000)
單位
Single Uni-Directional - 6.4V Surface Mount DO-214AC (SMA) 43V 2 600W - Yes 1 -55 °C +150 °C
全新
RS庫存編號 194-5664
製造零件編號PTVS1-190C-TH
BrandBourns
HK$188.292
Each (In a Tray of 5)
單位
Single Bi-Directional 227 (Typ.)V 200V Through Hole - 190V 2 - 1kA Yes 1 -55 °C +125 °C
RS庫存編號 172-3269
製造零件編號SMBJ24CA-Q
BrandBourns
HK$2.915
/個 (每包:25個)
單位
Single Bi-Directional 38.9V 26.7V Surface Mount DO-214AA (SMB) 24V 2 600W - Yes 1 -55 °C +150 °C
RS庫存編號 187-1410
製造零件編號SM8S33CA-Q
BrandBourns
HK$12.515
個 (在毎卷:750)
單位
- Bi-Directional - 36.7V Surface Mount DO-218 33V 2 6600W - Yes 1 -55 °C +175 °C
RS庫存編號 177-5416
製造零件編號TBU-CA050-050-WH
BrandBourns
HK$6.551
個 (在毎卷:3000)
單位
Single Bi-Directional 500V - Surface Mount DFN 20V 2 - 0.1A - 1 -55 °C +125 °C
RS庫存編號 773-4589
製造零件編號CDSOT23-T36C
BrandBourns
HK$3.09
/個 (每包:50個)
單位
Common Anode Bi-Directional 76.8V 40V Surface Mount SOT-23 36V 3 500W 9A Yes 2 -55 °C +150 °C
RS庫存編號 183-1545
製造零件編號CD-LAB10
BrandBourns
HK$612.07
單位
- Bi-Directional, Uni-Directional - - - DO-214AB (SMC) 64V - - - Yes - - -
RS庫存編號 179-0471
製造零件編號5.0SMDJ33A-Q
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HK$8.272
個 (在毎卷:3000)
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Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 5000 (Minimum)W 93.9A Yes 1 -55 °C +150 °C
全新
RS庫存編號 194-5665
製造零件編號PTVS1-190C-TH
BrandBourns
HK$133.10
單位
Single Bi-Directional 227 (Typ.)V 200V Through Hole - 190V 2 - 1kA Yes 1 -55 °C +125 °C
RS庫存編號 174-2484
製造零件編號SMAJ36CA
BrandBourns
HK$0.787
個 (在毎卷:5000)
單位
Single Bi-Directional - 40V Surface Mount DO-214AC 495V 2 400W - Yes 1 -55 °C +150 °C
RS庫存編號 165-3046
製造零件編號SMCJ100CA
BrandBourns
HK$2.08
個 (在毎卷:3000)
單位
Single Bi-Directional 162V 111V Surface Mount DO-214AB (SMC) 100V 2 1500W 9.3A - 1 - +150 °C
RS庫存編號 174-2503
製造零件編號CDSOD323-T36SC
BrandBourns
HK$3.945
/個 (每包:20個)
單位
Single Bi-Directional 60V 6V Surface Mount SOD-323 - 2 400W 5A Yes 1 -55 °C +150 °C