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. 166-0615
Mfr. Part No.PESD5V0U1UB,115
BrandNexperia
MYR0.294
Each (On a Reel of 3000)
units
Single Uni-Directional - 5.8V Surface Mount SOD-523 5V 2 - - Yes 1 -55 °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. 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. 638-7791
Mfr. Part No.5KP48A-E3/54
BrandVishay
MYR11.99
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. 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. 250-195
Mfr. Part No.HDMIULC6-4SC6
MYR0.92
Each (In a Pack of 5)
units
Complex Array Uni-Directional 17V 6V Surface Mount SOT-23 5V 6 - - Yes 4 -55 °C +125 °C
RS Stock No. 162-9682
Mfr. Part No.UESD5.0DT5G
MYR0.286
Each (On a Reel of 8000)
units
Common Anode Uni-Directional - 6.2V Surface Mount SOT-723 5V 3 0.24W - Yes 1 -55 °C +150 °C
RS Stock No. 508-939
Mfr. Part No.PESD1LIN,115
BrandNexperia
MYR1.15
Each (In a Pack of 20)
units
Single Bi-Directional 70V 25.4V Surface Mount UMD 24V 2 160W 3A Yes 1 -65 °C +150 °C
RS Stock No. 146-0495
Mfr. Part No.PESD5Z6.0,115
BrandNexperia
MYR0.187
Each (On a Reel of 3000)
units
Single Uni-Directional 13V 6.8V Surface Mount SOD-523 6V 2 180W 10A Yes 1 -55 °C +150 °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
RS Stock No. 805-2835
Mfr. Part No.MMQA27VT1G
MYR0.731
Each (In a Pack of 50)
units
Common Anode Uni-Directional 39V 25.7V Surface Mount SC-74 21V 6 150W - Yes 4 -55 °C +150 °C
RS Stock No. 168-6860
Mfr. Part No.BZW06-19B
MYR0.476
Each (On a Tape of 1000)
units
Single Bi-Directional 39.3V 20.9V Through Hole DO-15 18.8V 2 600W 102A - 1 -65 °C +175 °C
RS Stock No. 165-9844
Mfr. Part No.SMBJ28A
BrandLittelfuse
MYR0.323
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. 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. 170-0805
Mfr. Part No.RCLAMP0502A.TCT
BrandSemtech
MYR2.468
Each (On a Reel of 3000)
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. 714-6995
Mfr. Part No.BZW06-19B
MYR0.601
Each (In a Pack of 20)
units
Single Bi-Directional 39.3V 20.9V Through Hole DO-15 18.8V 2 600W 102A - 1 -65 °C +175 °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. 803-2024
Mfr. Part No.SMBJ150A
MYR0.622
Each (On a Tape of 50)
units
Single Uni-Directional 243V 167V Surface Mount DO-214AA (SMB) 150V 2 600W 2.5A - 1 -55 °C +150 °C
RS Stock No. 172-7037
Mfr. Part No.CGA0402MLC-24G
BrandBourns
MYR0.72
Each (On a Reel of 10000)
units
Single - 25V - Surface Mount MLC - 2 - - Yes 1 -40 °C +85 °C
RS Stock No. 802-3073
Mfr. Part No.SMBJ10CA
MYR1.579
Each (In a Pack of 50)
units
Single Bi-Directional 17V 11.1V Surface Mount DO-214AA (SMB) 10V 2 600W 35.3A - 1 -55 °C +150 °C
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