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. 165-2570
Mfr. Part No.SMCJ48A-E3/57T
BrandVishay
MYR1.283
Each (On a Reel of 850)
units
Single Uni-Directional 77.4V 53.3V Surface Mount DO-214AB (SMC) 48V 2 1500W 19.4A Yes 1 -55 °C +150 °C
RS Stock No. 920-6266
Mfr. Part No.USBLC6-2SC6
MYR0.614
Each (On a Reel of 3000)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - 5A Yes 2 -40 °C +125 °C
RS Stock No. 725-8792
Mfr. Part No.PESD5V0U1UB,115
BrandNexperia
MYR1.18
Each (On a Tape of 20)
units
Single Uni-Directional - 5.8V Surface Mount SOD-523 5V 2 - - Yes 1 -55 °C +150 °C
RS Stock No. 165-9824
Mfr. Part No.SP724AHTG
BrandLittelfuse
MYR4.178
Each (On a Reel of 3000)
units
Complex Array Uni-Directional - - Surface Mount SOT-23 - 6 - - Yes 4 -40 °C +105 °C
RS Stock No. 885-5634
Mfr. Part No.SMBJ12CA-13-F
MYR1.055
Each (In a Pack of 50)
units
Single Bi-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 638-7791
Mfr. Part No.5KP48A-E3/54
BrandVishay
MYR13.19
Each (In a Pack of 5)
units
Single Uni-Directional 77.4V 53.3V Through Hole P600 48V 2 5000W 64.6A - 1 -55 °C +175 °C
RS Stock No. 691-0641
Mfr. Part No.RCLAMP0502A.TCT
BrandSemtech
MYR3.50
Each (In a Pack of 5)
units
Single Uni-Directional 18V 6V Surface Mount SOT-523 (SC-89) 5V 6 50W 3A Yes 1 -55 °C +125 °C
RS Stock No. 918-9408
Mfr. Part No.5KP48A-E3
BrandVishay
MYR8.613
Each (On a Reel of 800)
units
Single Uni-Directional 77.4V 53.3V Through Hole P600 48V 2 5000W 64.6A - 1 -55 °C +175 °C
RS Stock No. 699-8120
Mfr. Part No.SMCJ48A-E3/57T
BrandVishay
MYR1.622
Each (In a Pack of 10)
units
Single Uni-Directional 77.4V 53.3V Surface Mount DO-214AB (SMC) 48V 2 1500W 19.4A Yes 1 -55 °C +150 °C
RS Stock No. 793-1982
Mfr. Part No.SP724AHTG
BrandLittelfuse
MYR6.67
Each (In a Pack of 5)
units
Complex Array Uni-Directional - - Surface Mount SOT-23 - 6 - - Yes 4 -40 °C +105 °C
RS Stock No. 811-6112
Mfr. Part No.1N6373-E3/54
BrandVishay
MYR1.98
Each (In a Pack of 50)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 508-995
Mfr. Part No.PESD24VL1BA,115
BrandNexperia
MYR1.312
Each (In a Pack of 20)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 200W 3A Yes 1 -65 °C +150 °C
RS Stock No. 165-9844
Mfr. Part No.SMBJ28A
BrandLittelfuse
MYR0.356
Each (On a Reel of 3000)
units
Single Uni-Directional 45.4V 31.1V Surface Mount DO-214AA (SMB) 28V 2 600W 13.3A - 1 -65 °C +150 °C
RS Stock No. 165-2479
Mfr. Part No.SMBJ12A-E3/52
BrandVishay
MYR0.803
Each (On a Reel of 750)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 764-5464
Mfr. Part No.5KP36CA
BrandLittelfuse
MYR10.35
Each (In a Pack of 5)
units
Single Bi-Directional 58.1V 40V Through Hole P600 36V 2 5000W 87.8A - 1 -55 °C +175 °C
RS Stock No. 124-2375
Mfr. Part No.PESD24VL1BA,115
BrandNexperia
MYR0.376
Each (On a Reel of 3000)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 200W 3A Yes 1 -65 °C +150 °C
RS Stock No. 772-5949
Mfr. Part No.NSAD500H-T1-A
MYR0.909
Each (On a Reel of 30)
units
Common Anode Uni-Directional 8V 5.3V Surface Mount SOT-353 (SC-88A) 3V 5 200mW - Yes 4 -55 °C +150 °C
RS Stock No. 165-8680
Mfr. Part No.SMBJ12CA-13-F
MYR0.38
Each (On a Reel of 3000)
units
Single Bi-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
RS Stock No. 165-7189
Mfr. Part No.1N6373-E3/54
BrandVishay
MYR2.139
Each (On a Tape of 1400)
units
Single Uni-Directional 7.5V 6V Through Hole 1.5KE 5V 2 1500W 160A - 1 -55 °C +175 °C
RS Stock No. 628-7629
Mfr. Part No.SMBJ12A-E3/52
BrandVishay
MYR1.39
Each (In a Pack of 5)
units
Single Uni-Directional 19.9V 13.3V Surface Mount DO-214AA (SMB) 12V 2 600W 30.2A - 1 -55 °C +150 °C
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