0039000219-03-R2

Series:	Mini-Fit® Jr™
Part Status:	Active
Lead Free Status / RoHS Status:	--
Contact End:	Pin to Cable (Round)
Moisture Sensitivity Level (MSL):	--
Length:	3.00" (76.20mm)
Wire Gauge:	22 AWG
Contact Finish:	Gold
Color:	Red
Contact Finish Thickness:	30.0µin (0.76µm)
Number of Rows:	1
Number of Conductors:	1

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Jumper Wires:Jumper wires, or simply “jumper” wires, are any kind of electrical wiring used to bridge two components in an electrical circuit. The components can be two different circuit boards, an electrical board and a circuit breaker, a DC power supply and a DC motor, etc. These wires are usually made of insulated copper and are insulated with a polymeric coating or some kind of wax. They are usually covered with a plastic or metal shield which enhances their protection from moisture and other external elements. The jumper wires are available in a range of sizes and lengths, depending on the type of connection that needs to be made.Jumper wires can be connected in different ways. Depending on the requirement, one can create a single point connection between two components, a two point (or double) connection, or a multi-point (also known as wafer) connection. In most cases, these jumper wires use connectors called header pins, which are made of small pins placed on either side of the insulation and connected to each other in order to create the connection. Other types of connectors can also be used, such as a threaded screw terminal or a crimp connector. Jumper wires are commonly used in the industry for prototyping, testing, and troubleshooting. Pre-Crimped Leads:Pre-crimped leads are wires or cables with pre-manufactured ends that are used in order to make connections in various applications. The ends can be either of the same gauge or different, depending on the application requirements. These leads are usually pre-cut and pre-isolated for faster set up and installation. This saves time and reduces costs when making connections, since the preparation stages are already completed. The pre-crimped leads are made with either insulated or non-insulated terminals. The insulated terminals incorporate a metal shell around the conductor that acts as a protection against short circuits. The non-insulated terminals, on the other hand, do not have a shell around the conductor, making them more vulnerable to potential short circuits. Depending on the type of application, pre-crimped leads can be found in two types; ones that use insulation displacement connectors (IDC) or through-hole terminals. Both types of connectors have their advantages and disadvantages and are suitable for different types of applications.The most used type of pre-crimped leads is the IDC (Insulation Displacement Connector) connector. This kind of connector eliminates the need for soldering and uses insulation displacement contacts to make an electrical connection. It is simple and easy to use, since all that is needed is to strip a wire, insert it into the connectors terminals and press with a tool. IDC connectors are often used in high-volume applications.0039000219-03-R2 Application Field and Working Principle:The 0039000219-03-R2 is an insulated Metal Oxide Varistor (MOV) designed for overvoltage protection in electrical systems. These devices are typically used in power supplies, inverters, motors, and other applications where overvoltage protection is needed. The varistor works by providing a low resistance path to ground potential during transient voltage spikes. This reduces the voltage to the system components by allowing the excess voltage to travel to ground.The 0039000219-03-R2 is designed to be used with jumper wires and pre-crimped leads. The jumper wires are connected to the two ends of the device, while the pre-crimped leads can be mounted on both sides of the varistor to provide a permanent connection. When the MOV experiences a transient voltage, it will automatically limit the voltage entering the circuit. This is done by diverting the excess voltage away from the circuit and towards the connected ground. The varistor will then reduce the voltage to the components in the circuit, thus protecting them from harmful voltage spikes. The 0039000219-03-R2 also features a safety lockout feature, which enables it to automatically disconnect itself from the circuit if the voltage is too high. This lockout feature is triggered when the maximum operating voltage is exceeded, allowing the MOV to protect the circuits and components from damage.The 0039000219-03-R2 is an efficient and reliable solution for overvoltage protection, enabling quick and easy installation. It is designed to work with a variety of jumpers and pre-crimped leads, providing the user with a simple and convenient solution to protect their circuits and components from voltage surges.

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