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 Maximum Peak Pulse Current Mounting Type Package Type Maximum Reverse Stand-off Voltage Maximum Reverse Leakage Current Pin Count Peak Pulse Power Dissipation ESD Protection Number of Elements per Chip Minimum Operating Temperature
RS stock no. 699-8013
Mfr. Part No.SM8S36AHE3_A/I
BrandVishay
R 90.17
Each
units
Single Uni-Directional 58.1V 40V 114A Surface Mount DO-218AB 36V 10µA 2 6600W Yes 1 -55 °C
RS stock no. 169-6093
Mfr. Part No.SM8S36AHE3/2D
BrandVishay
R 30.214
Each (On a Reel of 750)
units
Single Uni-Directional 58.1V 40V 114A Surface Mount DO-218AB 36V 10µA 2 6600W Yes 1 -55 °C
RS stock no. 631-1025
Mfr. Part No.SMBJ36A-E3/52
BrandVishay
R 4.578
Each (In a Pack of 20)
units
Single Uni-Directional 58.1V 40V 10.3A Surface Mount DO-214AA (SMB) 36V 1µA 2 600W - 1 -55 °C
RS stock no. 918-9294
Mfr. Part No.SMBJ36A-E3/52
BrandVishay
R 2.676
Each (On a Reel of 750)
units
Single Uni-Directional 58.1V 40V 10.3A Surface Mount DO-214AA (SMB) 36V 1µA 2 600W - 1 -55 °C
RS stock no. 638-7640
Mfr. Part No.5KP15A-E3/54
BrandVishay
R 40.954
Each (In a Pack of 5)
units
Single Uni-Directional 24.4V 16.7V 205A Through Hole P600 15V 2µA 2 5000W - 1 -55 °C
RS stock no. 918-9391
Mfr. Part No.5KP15A-E3
BrandVishay
R 27.854
Each (On a Reel of 800)
units
Single Uni-Directional 24.4V 16.7V 205A Through Hole P600 15V 2µA 2 5000W - 1 -55 °C
RS stock no. 815-0992
Mfr. Part No.5KP40A-E3/54
BrandVishay
R 30.308
Each (In a Pack of 5)
units
Single Uni-Directional 64.5V 44.4V 77.5A Through Hole P600 40V 2µA 2 5000W - 1 -55 °C
RS stock no. 165-6162
Mfr. Part No.5KP40A-E3/54
BrandVishay
R 25.371
Each (On a Reel of 800)
units
Single Uni-Directional 64.5V 44.4V 77.5A Through Hole P600 40V 2µA 2 5000W - 1 -55 °C
RS stock no. 165-6209
Mfr. Part No.SMCJ170CA-E3/57T
BrandVishay
R 5.214
Each (On a Reel of 850)
units
Single Bi-Directional 275V 189V 5.5A Surface Mount DO-214AB (SMC) 170V 1µA 2 1500W - 1 -55 °C
RS stock no. 638-1608
Mfr. Part No.1.5KE47CA-E3/54
BrandVishay
R 13.542
Each (In a Pack of 5)
units
Single Bi-Directional 64.8V 44.7V 23.1A Through Hole 1.5KE 40.2V 1µA 2 1500W - 1 -55 °C
RS stock no. 902-6682
Mfr. Part No.GSOT03-E3-08
BrandVishay
R 2.071
Each (In a Pack of 100)
units
Single Uni-Directional 7.5V 4V 30A Surface Mount SOT-23 3.3V 100µA 3 369W Yes 1 -40 °C
RS stock no. 819-3797
Mfr. Part No.SMCJ170CA-E3/57T
BrandVishay
R 7.46
Each (In a Pack of 10)
units
Single Bi-Directional 275V 189V 5.5A Surface Mount DO-214AB (SMC) 170V 1µA 2 1500W - 1 -55 °C
RS stock no. 145-2084
Mfr. Part No.GSOT03-E3-08
BrandVishay
R 1.144
Each (On a Reel of 3000)
units
Single Uni-Directional 7.5V 4V 30A Surface Mount SOT-23 3.3V 100µA 3 369W Yes 1 -40 °C
RS stock no. 918-9382
Mfr. Part No.1.5KE47CA-E3/54
BrandVishay
R 9.091
Each (On a Reel of 1400)
units
Single Bi-Directional 64.8V 44.7V 23.1A Through Hole 1.5KE 40.2V 1µA 2 1500W - 1 -55 °C
RS stock no. 814-1427
Mfr. Part No.SMAJ60A-E3/61
BrandVishay
R 4.011
Each (On a Tape of 20)
units
Single Uni-Directional 96.8V 66.7V 4.1A Surface Mount DO-214AC (SMA) 60V 1µA 2 400W - 1 -55 °C
RS stock no. 165-7173
Mfr. Part No.SMAJ60A-E3/61
BrandVishay
R 1.472
Each (On a Reel of 1800)
units
Single Uni-Directional 96.8V 66.7V 4.1A Surface Mount DO-214AC (SMA) 60V 1µA 2 400W - 1 -55 °C
RS stock no. 638-7482
Mfr. Part No.1.5KE160CA-E3/54
BrandVishay
R 13.618
Each (In a Pack of 5)
units
Single Bi-Directional 219V 152V 6.8A Through Hole 1.5KE 136V 1µA 2 1500W - 1 -55 °C
RS stock no. 918-9385
Mfr. Part No.1.5KE160CA-E3/54
BrandVishay
R 9.831
Each (On a Reel of 1400)
units
Single Bi-Directional 219V 152V 6.8A Through Hole 1.5KE 136V 1µA 2 1500W - 1 -55 °C
RS stock no. 637-8315
Mfr. Part No.1.5KE6.8CA-E3/54
BrandVishay
R 13.744
Each (In a Pack of 5)
units
Single Bi-Directional 10.8V 6.12V 139A Through Hole 1.5KE 5.5V 1mA 2 1500W Yes 1 -55 °C
RS stock no. 165-2500
Mfr. Part No.SM6T33A-E3/52
BrandVishay
R 1.803
Each (On a Reel of 750)
units
Single Uni-Directional 59V 31.4V 68A Surface Mount DO-214AA (SMB) 28.2V 1µA 2 600W Yes 1 -65 °C