MGM12FT470K

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Through Hole Resistors play an important role in applications that require precise and consistent electrical resistance. The MGM12FT470K is one such part with which this need can be satisfied, providing reliable and consistent performance in aerospace, automotive, and industrial applications.

This through-hole resistor is a Power Metal Strip® resistor from Vishay. It offers excellent performance for high-current, low-resistance applications. Unlike other power transistors, which require a heat sink to dissipate the heat generated by the resistor, the Power Metal Strip® technology eliminates the need for a heat sink with its unique construction.

The Power Metal Strip® technology employed in the MGM12FT470K is based on a metal alloy strip with a thick film deposited layer that provides resistance. The non-inductive design of the resistor makes it ideal for loudspeaker applications that require high power without the introduction of additional inductance from other components in the circuit. In addition, its miniature 0.2” size offers good heat dissipation, and its radial leads make it easy to install in conventional through-hole applications.

The MGM12FT470K features a wide range of resistance values, from 250 mΩ to 100 Ω, with tolerances of ±0.1%. Its operating temperature range is -55°C to +150°C which makes it suitable for extreme operating conditions. An available conformal coating option adds additional protection against extreme temperatures and harsh environments.

To determine the working principle of the MGM12FT470K, consider the setup pictured below. This example uses an AC voltage source to represent the application in which the through-hole resistor is used. The source, labeled V, is connected to the resistor through the two lead terminals. The value of the resistance will remain the same regardless of the magnitude of the voltage applied. This resistance creates a small voltage drop across the resistor, causing a voltage drop of V across the resistor terminals. This voltage drop is equal to the product of the voltage applied across the terminals and the resistance of the resistor, according to Ohm’s Law.

In addition to its low resistance values, the MGM12FT470K also offers additional features that are important in commercial and industrial applications. These features include robust construction, high temperature and humidity resistance, RoHS and REACH compliance, and error-free performance. The device also features a 100kA power overload rating, which is an important criterion for most power systems.

In summary, the MGM12FT470K through-hole resistor is an excellent option for applications that require a reliable source of high-current, low-resistance resistance. Its unique construction, miniature design, and wide range of resistance values makes it an ideal choice for military, industrial, automotive, and aerospace applications. The operating temperature range, error-free performance, and 100kA power overload rating make it even more suitable for challenging environments.

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