45F39RE

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Resistors are essential components in all sorts of electronic circuits. One of the most common types of resistors is the through-hole resistor. A through-hole resistor is a type of resistor which is installed by pushing the two lead wires through two small holes in a circuit board. This type of resistor is installed in applications where a strong connection is required between the resistor and the circuit board. The 45F39RE is a through-hole resistor designed specifically for frequencies ranging from 10 MHz to 50 MHz.

45F39RE Application Field

The 45F39RE resistor is typically used in military-grade and high-reliability commercial and industrial applications. It is also designed for applications such as low noise amplifiers, cellular base stations, and Wi-Fi networking. Such applications usually require DC voltage insulation and DC leakage current below 2 mA, as well as lower power dissipation during long-term operation. The 45F39RE is particularly well-suited to applications that require reducing alternator noise or dampening feedback in large signal amplifiers.

45F39RE Working Principle

A resistor\'s basic purpose is to limit current and voltage in a circuit. The resistor does this by creating a path for current to flow through, which dissipates electrical energy as heat. The 45F39RE resistor has a typical resistance of 5 ohms, with a maximum Wattage rating of 1/2 Watt (500 milliwatts). Rather than a fixed power rating, the 45F39RE uses a dynamic power rating, based on the resistor’s temperature. This dynamic power rating makes it suitable for providing a stable, low-noise environment in wide-band RF and microwave applications.

The 45F39RE supports a wide temperature range of -55°C to +125°C and has a relative humidity range of 0-100%. Its high electrical resistance accuracy and low power dissipation make it ideal for many applications, including tracking networks and frequency dividers. The 45F39RE also features a solderable silver finish that enhances its electrical and mechanical performance in addition to giving it the attractive silver colour.

Conclusion

The 45F39RE through-hole resistor is an ideal choice for applications where strong connection and low noise environment are required. Its wide temperature range and low power dissipation make it suitable for high-reliability military, commercial, and industrial applications. Unlike many other resistors, the 45F39RE has a unique dynamic power rating which makes it especially well-suited for reducing alternator noise and damping feedback.

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