KOA Speer Electronics, Inc. MF1/4DCT52R39R2F

In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.

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

Terminal Shape in electronic components refers to the physical design of the connection points on the component that allow for electrical connections to be made. These terminals can come in various shapes such as pins, leads, pads, or terminals with specific configurations like surface mount or through-hole. The terminal shape is important as it determines how the component can be mounted on a circuit board or connected to other components. Different terminal shapes are used based on the specific requirements of the electronic circuit design and manufacturing process.

In electronic components, "tolerance" refers to the acceptable deviation or variation from the specified or ideal value of a particular parameter, such as resistance, capacitance, or voltage. It indicates the range within which the actual value of the component can fluctuate while still being considered acceptable for use in a circuit. Tolerance is typically expressed as a percentage or a specific value and is important for ensuring the accuracy and reliability of electronic devices. Components with tighter tolerances are more precise but may also be more expensive. It is crucial to consider tolerance when selecting components to ensure proper functionality and performance of the circuit.

The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.

The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.

Termination in electronic components refers to the practice of matching the impedance of a circuit to prevent signal reflections and ensure maximum power transfer. It involves the use of resistors or other components at the end of transmission lines or connections. Proper termination is crucial in high-frequency applications to maintain signal integrity and reduce noise.

An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.

The resistance-change factor per degree Celsius of temperature change is called the temperature coefficient of resistance. This factor is represented by the Greek lower-case letter “alpha” (α). A positive coefficient for a material means that its resistance increases with an increase in temperature.

Resistance is a fundamental property of electronic components that measures their opposition to the flow of electric current. It is denoted by the symbol "R" and is measured in ohms (Ω). Resistance is caused by the collisions of electrons with atoms in a material, which generates heat and reduces the flow of current. Components with higher resistance will impede the flow of current more than those with lower resistance. Resistance plays a crucial role in determining the behavior and functionality of electronic circuits, such as limiting current flow, voltage division, and controlling power dissipation.

Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.

The Maximum Operating Temperature is the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.

The "Min Operating Temperature" parameter in electronic components refers to the lowest temperature at which the component is designed to operate effectively and reliably. This parameter is crucial for ensuring the proper functioning and longevity of the component, as operating below this temperature may lead to performance issues or even damage. Manufacturers specify the minimum operating temperature to provide guidance to users on the environmental conditions in which the component can safely operate. It is important to adhere to this parameter to prevent malfunctions and ensure the overall reliability of the electronic system.

Parameter "Composition" in electronic components refers to the specific materials and substances used in the construction of the component. It encompasses the chemical and physical elements that make up the component, influencing its electrical, thermal, and mechanical properties. The composition can affect the performance, reliability, and durability of the component in various applications. Understanding the composition is essential for optimizing the design and functionality of electronic devices.

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

The "Power Rating" of an electronic component refers to the maximum amount of power that the component can handle or dissipate without being damaged. It is typically measured in watts and is an important specification to consider when designing or selecting components for a circuit. Exceeding the power rating of a component can lead to overheating, malfunction, or even permanent damage. It is crucial to ensure that the power rating of each component in a circuit is sufficient to handle the power levels expected during normal operation to maintain the reliability and longevity of the electronic system.

Voltage - Rated DC is a parameter that specifies the maximum direct current (DC) voltage that an electronic component can safely handle without being damaged. This rating is crucial for ensuring the proper functioning and longevity of the component in a circuit. Exceeding the rated DC voltage can lead to overheating, breakdown, or even permanent damage to the component. It is important to carefully consider this parameter when designing or selecting components for a circuit to prevent any potential issues related to voltage overload.

The packing method in electronic components refers to the technique used to package and protect the component during shipping and handling. It encompasses various forms including tape and reel, tray, tube, or bulk packaging, each suited for different types of components and manufacturing processes. The choice of packing method can affect the ease of handling, storage, and the efficiency of assembly in automated processes. Additionally, it plays a crucial role in ensuring the reliability and integrity of the components until they are used in electronic devices.

Construction in electronic components refers to the design and materials used in the manufacturing of the components. It encompasses the physical structure, arrangement, and integration of various parts like substrates, conductors, and insulators. The construction impacts the performance, reliability, and thermal properties of the component, influencing how it interacts with electrical signals and other components in a circuit. Different construction techniques can also affect the size, weight, and cost of the electronic component.

The parameter "Resistor Type" in electronic components refers to the specific material and construction of a resistor that determines its electrical properties and performance characteristics. There are various types of resistors available, such as carbon film, metal film, wirewound, and thick film resistors, each with its own advantages and applications. The resistor type affects factors like tolerance, temperature coefficient, power rating, and stability, which are important considerations when selecting a resistor for a particular circuit. Choosing the right resistor type is crucial for ensuring proper functionality and reliability of electronic devices and circuits.

In the context of electronic components, the term "Reference Standard" typically refers to a specific set of guidelines, specifications, or requirements that serve as a benchmark for evaluating the quality, performance, and characteristics of the component. These standards are established by organizations such as the International Electrotechnical Commission (IEC), the Institute of Electrical and Electronics Engineers (IEEE), or specific industry bodies.Reference standards help ensure consistency and interoperability among different components, as they provide a common framework for manufacturers, designers, and users to adhere to. They outline parameters such as electrical properties, mechanical dimensions, environmental conditions, and safety considerations that the component must meet to be considered compliant.By referencing these standards, manufacturers can design and produce components that meet industry-recognized criteria, which in turn helps users select the right components for their applications with confidence. Adhering to reference standards also facilitates regulatory compliance and promotes overall quality and reliability in electronic systems.

Rated Power Dissipation (P) is a crucial parameter in electronic components that indicates the maximum amount of power the component can safely dissipate without being damaged. It is typically measured in watts and is important for determining the component's thermal management requirements. Exceeding the rated power dissipation can lead to overheating, reduced performance, or even permanent damage to the component. Designers must carefully consider the rated power dissipation when selecting and using electronic components to ensure reliable operation within specified limits.

Lead pitch in electronic components refers to the distance between the center of one lead (or pin) of a component to the center of the adjacent lead. It is an important parameter to consider when designing and assembling electronic circuits, as it determines the spacing required on a circuit board for proper placement and soldering of the component. Lead pitch is typically specified in millimeters or inches and can vary depending on the type of component, such as integrated circuits, resistors, capacitors, and connectors. Choosing the correct lead pitch ensures proper alignment and connection of components on a circuit board, ultimately affecting the functionality and reliability of the electronic device.

The parameter "Lead Diameter" in electronic components refers to the diameter of the metal wires or leads that are attached to the component for electrical connection. These leads are typically made of materials like copper or aluminum and are used to connect the component to a circuit board or other electronic devices. The lead diameter is an important specification as it determines the size of the holes needed in the circuit board for proper insertion and soldering of the component. It also affects the overall mechanical strength and durability of the component, as thicker leads are generally more robust and less prone to damage during handling or assembly.

The "Rated Temperature" of an electronic component refers to the maximum temperature at which the component is designed to operate safely and reliably over an extended period of time. This parameter is crucial for determining the operational limits of the component and ensuring its longevity and performance. Exceeding the rated temperature can lead to overheating, degradation of the component's materials, and ultimately failure. Manufacturers specify the rated temperature in the component's datasheet to guide engineers and designers in selecting appropriate operating conditions and implementing proper thermal management strategies. It is important to adhere to the rated temperature to prevent premature failure and ensure the overall reliability of the electronic system.

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