Littelfuse Inc. DRR-129-42-63

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.

The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

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 "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.

Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

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.

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.

Capacitance is a fundamental electrical property of electronic components that describes their ability to store electrical energy in the form of an electric field. It is measured in farads (F) and represents the ratio of the amount of electric charge stored on a component to the voltage across it. Capacitors are passive components that exhibit capacitance and are commonly used in electronic circuits for various purposes such as filtering, energy storage, timing, and coupling. Capacitance plays a crucial role in determining the behavior and performance of electronic systems by influencing factors like signal propagation, frequency response, and power consumption.

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.

"Termination style" in electronic components refers to the method used to connect the component to a circuit board or other electronic devices. It determines how the component's leads or terminals are designed for soldering or mounting onto the circuit board. Common termination styles include through-hole, surface mount, and wire lead terminations.Through-hole components have leads that are inserted through holes in the circuit board and soldered on the other side. Surface mount components have flat terminals that are soldered directly onto the surface of the circuit board. Wire lead terminations involve attaching wires to the component for connection.The choice of termination style depends on factors such as the type of component, the manufacturing process, and the space available on the circuit board. Different termination styles offer various advantages in terms of ease of assembly, reliability, and space efficiency in electronic designs.

Voltage - Rated AC is a parameter that specifies the maximum alternating current (AC) 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 within an electrical circuit. It is typically expressed in volts (V) and helps users determine the compatibility of the component with the voltage levels present in the circuit. Exceeding the rated AC voltage can lead to overheating, malfunction, or permanent damage to the component, so it is important to adhere to this specification when designing or using electronic systems.

The parameter "Circuit" in electronic components refers to the interconnected arrangement of various electronic elements such as resistors, capacitors, inductors, and active devices like transistors. It defines the path through which electric current flows and establishes the operational behavior of the components within that system. Circuits can be classified as analog or digital, depending on the type of signals they handle, and can vary in complexity from simple series or parallel configurations to intricate designs used in advanced applications.

"Throw Configuration" is a term commonly used in the context of switches and relays in electronic components. It refers to the number of positions or states that the switch or relay can be set to. For example, a single-throw (ST) configuration means the switch has only one position, while a double-throw (DT) configuration means the switch has two positions.The throw configuration is important because it determines the versatility and functionality of the switch or relay. Different applications may require different throw configurations to control the flow of current or signals effectively. Understanding the throw configuration of a component is crucial for proper installation and operation within an electronic circuit.

The time interval between the instant of the occurrence of a specified input condition to a system and the instant of completion of a specified operation.

In telecommunication, release time is the time interval for a circuit to respond when an enabling signal is discontinued

Power - Rated is a parameter that refers to the maximum power that an electronic component can handle or deliver under specified conditions. It is typically expressed in watts and is an important specification to consider when designing or selecting components for a circuit. The rated power helps determine the component's capability to handle electrical loads without overheating or failing. It is crucial to operate components within their rated power limits to ensure optimal performance and reliability. Exceeding the rated power can lead to component damage, malfunction, or even safety hazards.

The parameter "Size - Body" in electronic components refers to the physical dimensions of the component's body or package. It typically includes measurements such as length, width, and height, which are critical for ensuring compatibility with circuit boards and other components. This parameter is vital for fitting components into designated spaces within electronic devices and affects factors like heat dissipation and overall performance. Proper understanding of the Size - Body specification helps engineers design efficient and compact electronic systems.

Current - Switching is a parameter used to describe the ability of an electronic component to handle rapid changes in current flow. It is particularly important in devices such as transistors and diodes that are used for switching applications. This parameter specifies the maximum current that the component can handle when transitioning from an off state to an on state or vice versa. Components with higher current-switching capabilities are able to switch between states more quickly and efficiently, making them suitable for high-speed applications. It is crucial to consider the current-switching characteristics of a component to ensure reliable and stable operation in electronic circuits.

Operate Range in electronic components refers to the range of values within which the component can function properly and reliably. This parameter typically includes specifications such as voltage, current, temperature, frequency, and other environmental conditions that the component can operate within. It is important to stay within the specified operate range to ensure the component's performance, longevity, and safety. Operating outside of the specified range may lead to malfunctions, damage, or even failure of the component. Manufacturers provide operate range specifications in datasheets to guide users in proper usage and integration of the component in their electronic systems.

Voltage - Switching AC is a parameter used to describe the maximum alternating current (AC) voltage that a component can handle when switching between different states or conducting operations. This parameter is important in electronic components such as switches, relays, and transistors that are designed to handle AC signals. It indicates the maximum voltage that can be safely applied across the component during switching operations without causing damage. It is crucial to consider this parameter when designing circuits to ensure the component can handle the voltage levels present in the system.

Voltage - Switching DC refers to the maximum direct current voltage that an electronic component, such as a transistor or relay, can handle while operating in a switching mode. It is crucial for ensuring reliable performance and preventing damage during the rapid on-off switching cycles. This parameter indicates the threshold above which the device may fail to operate correctly or could be destroyed due to excessive voltage stress. Understanding the switching DC voltage rating helps designers select suitable components for their circuits, ensuring functionality and safety.

Length - Overall is a crucial parameter in electronic components that refers to the total length of a component from one end to the other. It encompasses any protruding features or attachments, providing a complete measurement of the component's size. This dimension is essential for determining compatibility with circuit boards, housing, and other components in an assembly. Accurate knowledge of the overall length helps ensure proper fit and function in electronic designs.

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

Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.