FMP300FTE73-1K

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Through-Hole Resistors

Through-hole resistors, also known as leaded resistors, are resistors that are mounted directly on circuit boards by being inserted into through-holes and soldered. Through-hole resistors are currently the most conventional type of resistor. There are two main styles of through-hole resistors: Carbon Composition, which has two metal end caps, and Metal Film, which has one cylindrical metal end cap. They are cheaper and simpler than surface mount resistors, but less reliable and require more space on the circuit board.

FMP300FTE73-1K Application Field and Working Principle

The FMP300FTE73-1K is an insulated metal film through-hole resistor with an operating temperature range of -55°C to +125°C. It is a fixed-type resistor which consists of a resistive element encased in a non-magnetic, ceramic-metal housing. The FMP300FTE73-1K has a low temperature coefficient of ±100 ppm/K, making it accurate over a wide temperature range. It is perfect for applications requiring precision such as measurement and control systems, and instrumentation.

The resistive element of the FMP300FTE73-1K is composed of nickel-chromium and copper thick-film resistors with a resistor element resistance of 1,000 ohms. The resistive element is protected by an epoxy-filled cap which provides additional insulation and impact resistance. Its metal endcap is made of nickel-plated brass, and its insulator is a ceramic-metal composite. Together, these components provide the resistor with a rugged construction and excellent thermal and electrical properties.

The working principle of the FMP300FTE73-1K is based on Ohm’s Law. When a voltage (V) is applied to a resistor, current (I) will pass through the resistor and a voltage drop (Vd) will be created across the resistor. The resistance of the resistor (R) can be calculated by measuring the voltage drop and the current that passes through the resistor. This is what is known as Ohm’s Law: V = IR.

The FMP300FTE73-1K can be used in both industrial and commercial applications. Due to its low temperature coefficient of ±100 ppm/K, it is a reliable resistor for precision applications such as measurement and control systems, and instrumentation. It is also suitable for high voltage and high power applications, due to its rugged construction.

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