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Jumper Wires and Pre-Crimped Leads are two distinct categories of electronic components that serve a variety of purposes in modern electrical engineering. As the names imply, these components are used to facilitate fast connection and disconnection among different parts of a circuitry. In this article, we will first discuss the application field of the two components and then touch upon their working principles.

Application Field of Jumper Wires and Pre-Crimped Leads

Jumper Wires are commonly used by electronic engineers and hobbyists to bridge connections between two points in a circuit. Since the wires are usually quite thin and lightweight, they are an ideal solution for compact circuits and/or intricate wiring. Furthermore, the fact that Jumper Wires are originally un-terminated wires make it compatible with a wide range of situations where the connections meet varying connectors.

Pre-Crimped Leads, on the other hand, are widely used in the creation of complex wiring networks. They are usually prepared by wrapping a conductive metal wire onto a plastic spooling and then having the two ends of the conductor crimped together or onto a metal pin. This process creates a snug and reliable fit that is much stronger and longer lasting than the connections by Jumper Wires alone. The combination of pre-crimp fitting and compact body form factor make Pre-Crimped Leads the preferred choice for larger and more sophisticated wiring networks.

Working Principle of Jumper Wires and Pre-Crimped Leads

Jumper Wires are traditionally used to bridge electrical connections between two points in a circuit. The fact that they are made of one complete conductive wire causes electric currents to flow through them without any obstructions. To create a connection with Jumper Wires, the two components to be connected must be close enough to maintain an electrical current between them. Once the gap between the two components is closed, the Jumper Wires will act as a conductive bridge and electric current will flow through them.

Pre-Crimped Leads are a step further from Jumper Wires. To create a stronger connection with one another, the two ends of the metal conductor are first crimped together or onto a metal pin. This process creates a snug and reliable fit that is much stronger and longer lasting than the connections by Jumper Wires alone. During the crimping process, the metal conductor is subjected to extreme heat and pressure which fully bonds the two ends of the conductor together and takes out any air gaps in between them. This process, known as “cold-forming”, produces a durable and highly reliable connection which lasts much longer than regular Jumper Wires.

The cold-forming process also provides other advantages such as increased capacitance and improved insulation. The increased capacitance also means that the current-carrying capacity of the Pre-Crimped Leads are significantly higher than traditional Jumper Wires. Additionally, the improved insulation prevents corrosion and thus increases the longevity of the circuit.

In summary, Jumper Wires and Pre-Crimped Leads are two distinct categories of electronic components with different application fields as well as working principles. While Jumper Wires are usually thin and lightweight and easy to work with in compact circuits, Pre-Crimped Leads are mostly employed in intricate wiring networks where robust mechanical connections are needed. Furthermore, Jumper Wires are traditionally used to bridge electrical connections between two points while the crimping process of Pre-Crimped Leads gives it better insulation and increased current-carrying capacity.

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