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 169-9077
製造零件編號SMAJ7.0CA R3
HK$1.32
個 (在毎卷:1800)
單位
Single Bi-Directional 12V 7.78V Surface Mount DO-214AC (SMA) 7V 2 - 33.3A Yes 1 -55 °C +150 °C
RS庫存編號 687-3154
製造零件編號SMAJ15A R3
HK$1.261
/個 (每包:25個)
單位
Single Uni-Directional 24.4V 16.7V Surface Mount DO-214AC (SMA) 15V 2 - 16.4A Yes 1 -55 °C +150 °C
RS庫存編號 687-3295
製造零件編號SMAJ5.0CA R3
HK$3.251
/個 (每包:20個)
單位
Single Bi-Directional 9.2V 6.4V Surface Mount DO-214AC (SMA) 5V 2 - 43.5A Yes 1 -55 °C +150 °C
RS庫存編號 687-4006
製造零件編號SA28CA R0
HK$1.449
/個 (每包:20個)
單位
Single Bi-Directional 45.4V 31.1V Through Hole DO-15 28V 2 500W 11.5A - 1 -55 °C +175 °C
RS庫存編號 687-2987
製造零件編號P6SMB36A R5
HK$2.207
/個 (每包:20個)
單位
Single Uni-Directional 49.9V 34.2V Surface Mount DO-214AA (SMB) 30.8V 2 600W 12.6A - 1 -65 °C +150 °C
RS庫存編號 169-9094
製造零件編號BZW04-31B R0
HK$0.634
Each (On a Tape of 5000)
單位
Single Bi-Directional 49.9V 34.2V Through Hole DO-41 30.8V 2 - 8A - 1 -65 °C +175 °C
RS庫存編號 687-3867
製造零件編號P6KE22CA R0
HK$1.411
/個 (每包:20個)
單位
Single Bi-Directional 30.6V 20.9V Through Hole DO-15 18.8V 2 600W 20A - 1 -55 °C +175 °C
RS庫存編號 687-3182
製造零件編號SMAJ20A R3
HK$1.013
/個 (每包:25個)
單位
Single Uni-Directional 32.4V 22.2V Surface Mount DO-214AC (SMA) 20V 2 - 12.3A Yes 1 -55 °C +150 °C
RS庫存編號 169-9075
製造零件編號SMAJ60CA R3
HK$0.931
個 (在毎卷:1800)
單位
Single Bi-Directional 96.8V 66.7V Surface Mount DO-214AC (SMA) 60V 2 - 4.1A Yes 1 -55 °C +150 °C
RS庫存編號 687-3239
製造零件編號SMAJ30CA R3
HK$1.306
/個 (每包:20個)
單位
Single Bi-Directional 48.4V 33.3V Surface Mount DO-214AC (SMA) 30V 2 - 8.3A Yes 1 -55 °C +150 °C
RS庫存編號 796-9460
製造零件編號SMCJ33A R7
HK$2.261
/個 (每包:25個)
單位
Single Uni-Directional 53.3V 36.7V Surface Mount DO-214AB (SMC) 33V 2 1500W 29A - 1 -55 °C +150 °C
RS庫存編號 796-9451
製造零件編號SMBJ36CA R5
HK$2.15
/個 (每包:25個)
單位
Single Bi-Directional 58.1V 40V Surface Mount DO-214AA (SMB) 36V 2 600W 10.8A - 1 -55 °C +150 °C
RS庫存編號 687-3908
製造零件編號P6KE47CA R0
HK$2.709
/個 (每包:20個)
單位
Single Bi-Directional 64.8V 44.7V Through Hole DO-15 40.2V 2 600W 9.7A - 1 -55 °C +175 °C
RS庫存編號 169-9100
製造零件編號P6KE15CA R0
HK$1.247
Each (On a Tape of 3500)
單位
Single Bi-Directional 21.2V 14.3V Through Hole DO-15 12.8V 2 600W 29A - 1 -55 °C +175 °C
RS庫存編號 177-5886
製造零件編號P6KE440CA R0
HK$4.003
個 (在毎卷:3500)
單位
Single Bi-Directional 600V 418V Through Hole DO-15 376V 2 600W 1.04A - 1 -55 °C +175 °C
RS庫存編號 687-3725
製造零件編號BZW04-40 R0
HK$1.869
/個 (每包:25個)
單位
Single Uni-Directional 64.8V 44.7V Through Hole DO-41 40.2V 2 - 6.2A - 1 -65 °C +175 °C
RS庫存編號 169-9087
製造零件編號BZW04-20 R0
HK$0.766
Each (On a Tape of 5000)
單位
Single Uni-Directional 33.2V 22.8V Through Hole DO-41 20.5V 2 - 12A - 1 -65 °C +175 °C
RS庫存編號 169-9047
製造零件編號SMAJ150A R3
HK$0.812
個 (在毎卷:1800)
單位
Single Uni-Directional 243V 167V Surface Mount DO-214AC (SMA) 150V 2 - 1.3A Yes 1 -55 °C +150 °C
RS庫存編號 169-9104
製造零件編號P6KE20CA R0
HK$1.247
Each (On a Tape of 3500)
單位
Single Bi-Directional 27.7V 19V Through Hole DO-15 17V 2 600W 22A - 1 -55 °C +175 °C
RS庫存編號 687-3309
製造零件編號SMAJ51A R3
HK$1.085
/個 (每包:25個)
單位
Single Uni-Directional 82.4V 56.7V Surface Mount DO-214AC (SMA) 51V 2 - 4.9A Yes 1 -55 °C +150 °C