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refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

In electronic components, the parameter "Frequency" refers to the rate at which a signal oscillates or cycles within a given period of time. It is typically measured in Hertz (Hz) and represents how many times a signal completes a full cycle in one second. Frequency is a crucial aspect in electronic components as it determines the behavior and performance of various devices such as oscillators, filters, and communication systems. Understanding the frequency characteristics of components is essential for designing and analyzing electronic circuits to ensure proper functionality and compatibility with other components in a system.

the variation of output frequency of a crystal oscillator due to external conditions like temperature variation, voltage variation, output load variation, and frequency aging.

a count of all of the component leads (or pins)

Symmetry-Max is a parameter used in electronic components to describe the maximum level of symmetry that can be achieved within the component's design or operation. This parameter is important in ensuring that the component functions efficiently and reliably. In practical terms, Symmetry-Max refers to the degree of balance or uniformity in the component's structure or behavior, which can impact its performance and stability. Engineers and designers often consider Symmetry-Max when developing electronic components to optimize their functionality and minimize potential issues related to asymmetry.

the amount of capacitance measured or computed across the crystal terminals on the PCB. Frequency Tolerance. Frequency tolerance refers to the allowable deviation from nominal, in parts per million (PPM), at a specific temperature, usually +25°C.

In electronic components, the term "Screening Level" refers to the level of testing and inspection that a component undergoes to ensure its reliability and performance. This process involves subjecting the component to various tests, such as temperature cycling, burn-in, and electrical testing, to identify any defects or weaknesses that could affect its functionality. The screening level is typically determined based on the application requirements and the criticality of the component in the system. Components that undergo higher screening levels are generally more reliable but may also be more expensive. Overall, the screening level helps to ensure that electronic components meet the necessary quality standards for their intended use.

The "Output Level" parameter in electronic components refers to the strength or magnitude of the signal that is produced at the output of the component. It indicates the amplitude or intensity of the signal that is being generated or transmitted by the component. The output level is typically measured in units such as volts, decibels, or percentage of full scale, depending on the type of component and the specific application. Understanding the output level is important for ensuring that the signal is at the appropriate level for the intended use, such as driving another component or being processed by a system.

The parameter "Product Length (mm)" in electronic components refers to the physical length of the component, typically measured in millimeters. This measurement is important for determining the size and dimensions of the component, which is crucial for fitting it into a circuit board or enclosure. It helps in ensuring proper alignment and spacing within the overall design of the electronic system. Manufacturers provide this specification to assist engineers and designers in selecting components that will fit and function correctly within their intended application.

Product Height (mm) in electronic components refers to the measurement of the component's vertical dimension. It indicates how tall the component is when installed in a circuit or system. This parameter is crucial for determining compatibility with enclosures, ensuring adequate space for components on printed circuit boards, and facilitating proper airflow and cooling in electronic designs.

RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.