Hirose Electric Co Ltd DF14-4S-1.25C

Contact Material refers to the material used to make the electrical contacts in a component. It determines the electrical conductivity, durability, and resistance to corrosion and wear of the contacts. Common contact materials include copper, silver, gold, and alloys of these metals. The choice of contact material depends on the specific application and the required performance characteristics.

Series, in the context of electronic components, refers to the arrangement of components in a circuit. When components are connected in series, they form a single path for current to flow through. The total resistance of a series circuit is the sum of the individual resistances of each component. Series connections are often used to control the flow of current in a circuit, as the total resistance can be adjusted by changing the number or type of components in the series.

Part Status is an electronic component parameter that indicates the availability and production status of a component. It is typically used to inform customers about the availability of a component, whether it is in production, end-of-life, or obsolete. Part Status can also provide information about any restrictions or limitations on the component's use, such as whether it is only available for certain applications or if it has been discontinued.

Moisture Sensitivity Level (MSL) is a measure of the susceptibility of a surface mount electronic component to moisture-induced damage during soldering. It is classified into six levels, from 1 (least sensitive) to 6 (most sensitive). MSL is determined by the materials used in the component's construction, including the solderability of its terminals and the presence of moisture-absorbing materials. Components with higher MSL ratings require more stringent handling and storage conditions to prevent moisture absorption and subsequent damage during soldering.

Number of Positions, in the context of electronic components, refers to the number of distinct terminals or connection points available on the component. It indicates the number of individual electrical connections that can be made to the component. A higher number of positions typically allows for more complex functionality and versatility in circuit design.

Contact Type refers to the physical construction and materials used in the electrical contacts of a component. It describes the type of connection made between two or more conductors.

Pitch, in the context of electronic components, refers to the distance between the centers of adjacent pins or terminals on a component. It is typically measured in millimeters (mm) or inches (in). The pitch determines the spacing between components on a printed circuit board (PCB) and affects the overall size and layout of the board. A smaller pitch allows for more components to be placed on a given area, but it also increases the risk of shorts and other manufacturing defects.

Current Rating is the maximum amount of current that an electronic component can safely handle without overheating or failing. It is typically expressed in amperes (A) or milliamperes (mA). Exceeding the current rating can damage the component and potentially create a safety hazard. The current rating is determined by the physical characteristics of the component, such as its size, material, and construction.

Contact resistance is the electrical resistance between two electrical contacts. It is caused by the imperfect contact between the two surfaces, which results in a small amount of resistance to the flow of current. Contact resistance can be a significant factor in the performance of electrical circuits, especially in high-power applications. It can cause power loss, heating, and even damage to components.