S1812-273J

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Fixed inductors are commonly used components in the field of electronics. S1812-273J is a fixed inductor series released by Sumida Corporation. It has excellent features for a wide range of applications including voltage clamping, signal filtering, and electromagnetic interference prevention.

S1812-273J is a wire-wound product with a lead frame structure. It features a high rated current of 9.5A, a minimum mounting space of 8mm, and a low mounting height of 2.80mm. It is also UL recognized and RoHS certified. This makes it a widely used, reliable product.

The rated inductance of S1812-273J is from 1.2 to 310μH. It’s significant in preventing high voltage surges caused by current feedback, such as ESD (electrostatically charging) and EFT (transient-induced overvoltage). It is also useful for the prevention of electromagnetic interference (EMI) which is becoming an increasing concern in higher-frequency areas. In addition, S1812-273J is also suitable for high-frequency signal filtering.

The working principle of S1812-273J is based on Faraday’s Law of Induction. The current flowing through the coil generates a magnetic field, and thus an electromotive force. This force opposes the current and results in resistance. The resistance allows for passing only specific frequencies or voltage levels through the inductor, allowing the inductor to filter out unwanted high-frequency signals or voltage spikes.

S1812-273J is a reliable, high-performance fixed inductor series with features suitable for many applications such as voltage clamping, signal filtering, and EMI prevention. Its reliable products and low mounting dimensions make it one of the most popular and widely used inductor components in the market.

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