TA205PA3R90JE

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Through Hole Resistors are an important component found in many electronic devices. The TA205PA3R90JE is a through-hole resistor manufactured by Toko Electric, and is widely used in a variety of applications. This particular through-hole resistor is actually composed of three different types of resistors: a film, metal, and wirewound. Below we will discuss the application field and working principle of the TA205PA3R90JE.

Application Field

The TA205PA3R90JE is a through-hole resistor that is suited for a variety of applications. Some of the most common include precision instrumentation, communications, power supplies, motor control circuitry, and medical equipment. The resistor’s precision and low thermal stability make it suitable for more demanding applications.

This through-hole resistor is also popular for use in audio and automotive applications due to its low ESR, low temperature coefficient of resistance (TCR) and tight tolerance. The device is rated for temperatures up to 125°C and is ideal for high reliability applications such as automotive, aerospace, and defense.

Working Principle

The TA205PA3R90JE consists of three different resistors interconnected in series. Each resistor has a different type of resistance. The first is a film resistor which is made up of a thin film of carbon on a ceramic substrate. The second is a metal resistor which is made of a metal alloy such as copper, aluminum, or nickel. The third is a wirewound resistor which features a coil of resistive wire on a ceramic core.

To understand how the TA205PA3R90JE works, it helps to look at how current flows through each resistor. As current is applied to the resistor, it travels through the first film resistor and is then routed to the metal resistor. The current then passes through the metal resistor and is routed to the wirewound resistor. From there, the current passes through the coil of wire and is then routed back to the metal resistor, completing the circuit.

By combining these three types of resistors in series, the total resistance of the device is increased. This increase in total resistance results in a greater precision and accuracy due to the lower tolerance of each resistor type. The controlled temperature coefficient of resistance also ensures reliable performance across a wide temperature range.

Conclusion

The TA205PA3R90JE is a through-hole resistor that is used in a variety of applications due to its high precision, low thermal stability, and low ESR. The device consists of three types of resistors, a film, metal, and wirewound, that are interconnected in series. By combining these three resistors, the total resistance is increased, resulting in greater accuracy and precision. This through-hole resistor is commonly used in precision instrumentation, communication, power, motor control circuitry, and medical equipment.

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