WW1FT1K74

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Through Hole Resistors: WW1FT1K74 Application Field and Working Principle

Through hole resistors are an invaluable component in any electrical circuit. In particular, the WW1FT1K74 series of resistors is one of the most popular through hole resistors on the market. Let’s take a look at its application field and working principle.

Application Field

The WW1FT1K74 series is designed for low-power circuits of 0.25W or less. It is a static component suitable for applications like amplifiers, audio equipment, transistors, timers, and control circuits. Additionally, its small size makes it suitable for compact designs where PCB space is scarce.

Other features including the lead wire limit temperature, axial length allow for high flexibility and easy connection, epoxy coil prevents heat from dissipating too quickly when the power consumption is high, and enlarged measurement tolerance make it an ideal choice for certain low-power applications.

Working Principle

A through hole resistor consists of two metallic layers – the anode and the cathode. When current passes through the resistor, the resistance of the material creates a voltage drop, producing a specific output voltage. As a result, this voltage drop can be used to control the current flowing in the circuit.

WW1FT1K74 resistors feature a special material – manganin alloy – which has a relatively low temperature coefficient, allowing for better stability and accuracy. Additionally, it has an excellent current load capacity. The current rating of this series is adjustable between 0.2A and 0.5A depending on the application, allowing for great flexibility.

In summary, WW1FT1K74 resistors are a great choice for low-power circuits, providing excellent stability, accuracy, and load capacity. Thanks to its small size, they can be easily integrated into circuits with tight design constraints.

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