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. 169-9105
Mfr. Part No.P6KE22CA R0
$0.228
Each (On a Tape of 3500)
units
Single Bi-Directional 30.6V 20.9V Through Hole DO-15 18.8V 2 600W 20A - 1 -55 °C +175 °C
RS Stock No. 166-0270
Mfr. Part No.PESD5V0S1BL,315
BrandNexperia
$0.047
Each (On a Reel of 10000)
units
Single Bi-Directional 14V 5.5V Surface Mount SOD-882 5V 2 130W 12A Yes 1 -65 °C +150 °C
RS Stock No. 714-7077
Mfr. Part No.SMAJ12A-TR
$0.428
Each (In a Pack of 25)
units
Single Uni-Directional 25.3V 13.3V Surface Mount DO-214AC (SMA) 12V 2 400W 91A Yes 1 -55 °C +150 °C
RS Stock No. 486-4319
Mfr. Part No.1.5KE33CA
$0.94
Each (In a Pack of 5)
units
Single Bi-Directional 59V 31.4V Through Hole DO-201 28.2V 2 1500W 169A - 1 -65 °C +175 °C
RS Stock No. 124-2404
Mfr. Part No.PRTR5V0U2X,215
BrandNexperia
$0.271
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. 463-161
Mfr. Part No.NUP2201MR6T1G
$0.69
Each (In a Pack of 10)
units
Complex Array Uni-Directional 20V 6V Surface Mount TSOP 5V 6 500W 25A Yes 2 -40 °C +125 °C
RS Stock No. 178-7637
Mfr. Part No.P6KE30CA
$0.231
Each (On a Reel of 4000)
units
Single Bi-Directional 41.4V 31.5V Through Hole DO-15 25.6V 2 600W 14.5A - 1 - +175 °C
RS Stock No. 921-7092
Mfr. Part No.824551301
$2.502
Each (In a Pack of 10)
units
Single Bi-Directional 48.4V 35.05V Surface Mount DO-214AB (SMC) - 2 3000W 62A - 1 -65 °C +150 °C
RS Stock No. 122-1212
Mfr. Part No.SM05-7
$0.085
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 20.6V 6.2V Surface Mount SOT-23 5V 3 300W 17A Yes 2 -55 °C +150 °C
RS Stock No. 812-0026
Mfr. Part No.P6KE51A-E3/54
BrandVishay
$0.369
Each (In a Pack of 20)
units
Single Uni-Directional 70.1V 48.5V Through Hole DO-204AC 43.6V 2 600W 8.6A - 1 -55 °C +175 °C
RS Stock No. 803-1787
Mfr. Part No.1V5KE350A
$0.755
Each (In a Pack of 25)
units
Single Uni-Directional 482V 333V Through Hole DO-201AE 300V 2 1500W 3.2A - 1 -55 °C +175 °C
RS Stock No. 918-9373
Mfr. Part No.1.5KE33CA-E3/54
BrandVishay
$0.712
Each (On a Reel of 1400)
units
Single Bi-Directional 45.7V 31.4V Through Hole 1.5KE 28.2V 2 1500W 32.8A - 1 -55 °C +175 °C
RS Stock No. 166-3036
Mfr. Part No.1V5KE350A
$0.453
Each (On a Reel of 1250)
units
Single Uni-Directional 482V 333V Through Hole DO-201AE 300V 2 1500W 3.2A - 1 -55 °C +175 °C
RS Stock No. 170-0840
Mfr. Part No.SMF05C.TCT
BrandSemtech
$0.773
Each (On a Reel of 3000)
units
Common Anode Uni-Directional 12.5V 6V Surface Mount SOT-363 (SC-70) 5V 6 100W 8A Yes 5 -55 °C +125 °C
RS Stock No. 162-8770
Mfr. Part No.TPD4E1B06DCKR
$0.291
Each (On a Reel of 3000)
units
Complex Array Bi-Directional 14.5V 7V Surface Mount SOT-363 (SC-70) 5.5V 6 45W 3A Yes 4 -40 °C +125 °C
RS Stock No. 918-9540
Mfr. Part No.P6KE6.8CA-E3/54
BrandVishay
$0.369
Each (On a Reel of 4000)
units
Single Bi-Directional 10.5V 6.45V Through Hole DO-15 5.8V 2 600W 57.1A - 1 -55 °C +175 °C
RS Stock No. 122-2402
Mfr. Part No.SMBJ15CA-13-F
$0.153
Each (On a Reel of 3000)
units
Single Bi-Directional 24.4V 16V Surface Mount DO-214AA (SMB) 15V 2 600W 24A - 1 -55 °C +150 °C
RS Stock No. 812-0111
Mfr. Part No.P6SMB350A-E3/52
BrandVishay
$0.558
Each (In a Pack of 10)
units
Single Uni-Directional 482V 333V Surface Mount DO-214AA (SMB) 300V 2 600W 1.24A - 1 -65 °C +150 °C
RS Stock No. 795-7360
Mfr. Part No.SM6T56AY
$0.49
Each (In a Pack of 25)
units
Single Uni-Directional 100V 53.2V Surface Mount DO-214AA (SMB) 47.6V 2 600W 40A - 1 -55 °C +150 °C
RS Stock No. 178-6966
Mfr. Part No.SP720ABG
BrandLittelfuse
$4.037
Each (In a Tube of 40)
units
Complex Array Uni-Directional - - Surface Mount SOIC - 16 - 3A Yes 14 -40 °C +105 °C
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