SMC30J36A

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TVS - Diodes are essential components which are used to protect sensitive electronic circuits from electrical over-stress, such as electrostatic discharge (ESD) and electrical fast transients (EFTs).The SMC30J36A is such an example of TVS Diode. It is a 29A low capacitance, unidirectional, silicon-controlled rectifier (SCR) type TVS diode in a single-line configuration from Littelfuse.

The SMC30J36A is designed for ESD protection and to reduce the risk of damage to sensitive components due to over-voltage and over-current. It is typically used in applications such as telecommunications systems, computer systems and peripherals, digital signal lines and automotive audio devices.

The standard ratings of SMC30J36A are 30V, 36V and 100V. It has various temperature ratings, such as175°C and ambient and up to 125°C, with a max breakdown voltage ranging from 29.5 V to 33 V.

The SMC30J36A has a low capacitance that helps reduce signal distortion. It is a lead-free, RoHS-compliant device that meets the requirements of EIA/TIA-968-A and IEC 61000-4-2 Level 4 specifications. It is also UL 94V-O flammability rated and is available in both a unidirectional and bidirectional version.

The Working principle of the SMC30J36A is quite simple. The diode acts as an active component which absorbs and releases energy during its conduction cycle. The diode has a forward biased anode-cathode junction, so when a voltage is applied, electrons start flowing from the cathode to the anode. The device then acts as a current limiter for the voltage applied and starts dissipating that energy in the form of heat. This helps to protect the circuit from electrical over-stress due to electrostatic discharge (ESD) and electrical fast transients (EFTs).

In conclusion, the SMC30J36A is an example of a TVS Diodes which can offer various levels of protection for electronic circuits. It has an optimized construction which helps to reduce the risk of damage due to over-voltage and over-current, while its low capacitance helps to reduce signal distortion.

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