51AAD-B28-D15 Rotary Potentiometers, Rheostats от Bourns, Inc.

This code indicates the terminal finish material per JESD-609 standard. It helps identify the plating type for soldering compatibility and environmental compliance. Check the datasheet for the exact code and its meaning.

Indicates the floor life of a component before it must be baked prior to soldering. Higher levels require stricter handling and shorter exposure times. Verify the MSL rating in the datasheet to ensure proper storage and assembly conditions.

Indicates whether the component complies with the EU RoHS directive restricting hazardous substances. Buyers should verify this status for regulatory compliance and market access. Check the datasheet or certificate for exact compliance details.

Export Control Classification Number assigned by the U.S. Commerce Department. It determines export licensing requirements for electronic components. Verify the ECCN against the manufacturer's datasheet or export compliance documentation before shipping internationally.

Specifies the plating material on component terminals, affecting solderability, corrosion resistance, and long-term reliability. Compare finishes like tin, gold, or silver for your assembly process and environmental requirements. Verify against datasheet for compliance.

Maximum power the component can safely dissipate as heat under specified conditions. Compare this rating with your circuit's expected power loss to ensure reliable operation. Verify against the datasheet for derating curves and ambient temperature limits.

Number of turns in a coil or winding. Affects inductance, transformer ratio, and impedance. Critical for designing transformers, inductors, and magnetic components. Check datasheet for tolerance.

Maximum continuous power dissipation or output power the component can handle under specified conditions. Compare this rating with your application's power requirements to ensure reliable operation. Always verify against the datasheet for thermal limits and derating.

Specifies the ambient or case temperature at which the component's electrical and mechanical characteristics are guaranteed. Verify this value against the datasheet to ensure the part operates within its intended thermal environment and to avoid derating issues.

Standard alphanumeric code indicating component dimensions, such as case size for passives or package type for semiconductors. Compare codes across manufacturers to ensure footprint compatibility. Verify against the datasheet for exact dimensions and tolerances.

Specifies the resistance change curve of a potentiometer, such as linear or logarithmic. This affects how the output varies with rotation. Verify the taper type against your circuit requirements and the datasheet to ensure proper volume or control response.

Indicates the form of delivery for the component, such as tape and reel, tube, or tray. This affects handling, storage, and assembly processes. Verify the packaging type matches your production requirements and equipment compatibility.

Indicates whether the component is manufactured without lead, complying with RoHS and similar regulations. Check this attribute to ensure environmental compliance for your market. Verify against the datasheet for exact material declarations.

Specifies the highest ambient temperature at which the component reliably functions. Compare this limit with your application's thermal environment to ensure safe operation. Always verify against the datasheet's derating curves and test conditions, as exceeding this value may cause performance degradation or permanent damage.

Published indicates the date when the product data was released or updated in the catalog. It helps buyers assess the freshness of the information and whether the component is current or possibly obsolete. Check the datasheet for the latest revisions.

Lifecycle status of the part, such as active or obsolete. Indicates availability and long-term support from the manufacturer. Check this before design-in to avoid last-time buys or supply disruptions. Verify with the datasheet or distributor for current status.

Specifies how the component is attached to the PCB, such as through-hole or surface mount. This affects assembly processes, thermal performance, and mechanical strength. Buyers should verify compatibility with their manufacturing capabilities and design requirements.

Physical width of the component body, typically in millimeters. Essential for PCB footprint design and mechanical fit. Verify against the datasheet to ensure proper clearance and compatibility with your board layout and enclosure.

Specifies how the component attaches to the PCB or assembly, such as surface mount, through-hole, or chassis mount. This affects soldering process, mechanical stability, and thermal performance. Verify compatibility with your board layout and assembly capabilities.

Electrical resistance value in ohms, defining opposition to current flow. Critical for current limiting, voltage division, and signal conditioning. Always check tolerance and power rating in the datasheet for reliable circuit operation.

Indicates the component's compliance status with the EU REACH regulation. Buyers should verify this code against the manufacturer's declaration to ensure restricted substances are within allowable limits for their target market.

Describes the method used to connect the component to the circuit board, such as solder, press-fit, or wire wrap. This affects assembly processes, reliability, and repairability. Check the termination type against your PCB footprint and soldering process to ensure compatibility.

Maximum power the component can safely dissipate as heat without damage. Exceeding this may cause failure. Check datasheet for thermal resistance and derating curves under your operating conditions.

Indicates whether the component is lead-free per RoHS or other directives. Buyers use this to verify environmental compliance and avoid restricted substances. Always confirm with the datasheet or certificate of compliance.

Indicates the total number of electrical connection points on the component, such as pins or pads. This is critical for PCB footprint design and assembly. Verify it matches the package specification to ensure proper soldering and connectivity.

Physical height of the component, measured from the mounting surface to the topmost point. This dimension is critical for clearance in compact assemblies and for ensuring proper fit within enclosures. Always verify against the datasheet for tolerance and mounting considerations.

Allowed deviation from the nominal value, expressed as a percentage. Determines precision of resistors, capacitors, and inductors. Choose tighter tolerance for precision circuits, but verify actual performance in the datasheet.

Specifies the physical length of the component body, typically in millimeters. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure proper clearance and alignment in your design.

Specifies the maximum power the component can safely dissipate under defined operating conditions. Compare this value with your circuit's power requirements to prevent overheating and ensure reliable operation. Always verify against the datasheet for derating curves and ambient temperature limits.

Identifies the company that designed and produced the component. Buyers often filter by manufacturer to ensure brand reliability, quality standards, and supply chain consistency. Verify the manufacturer against the datasheet and official packaging to avoid counterfeit parts.

Indicates the physical configuration of component leads, such as straight, angled, or formed. This affects PCB mounting, clearance, and soldering. Verify the terminal shape against your board layout and assembly process to ensure proper fit and reliable connections.

Harmonized Tariff Schedule code used for customs classification of electronic components. Helps determine duties and regulatory requirements. Buyers should confirm the code with a customs broker for accurate shipping.

Specifies the material composition of the component, such as metal, ceramic, or plastic. This attribute helps engineers assess environmental compliance, thermal performance, and mechanical durability. Verify the exact material breakdown in the datasheet for application-specific requirements.

Specifies the mechanical style or shape of the actuator used to operate the switch or potentiometer. Choose the type that matches your user interface and mounting requirements. Verify compatibility with your application's actuation force and travel.

Indicates whether a switch is integrated into the component, such as in relays, sensors, or power modules. Buyers should verify this feature when the application requires direct switching without external circuitry. Check the datasheet for switch type and ratings.

Indicates how many independent sections or gangs are contained within a single multi-gang component. Compare this value when selecting potentiometers, switches, or similar devices for multi-channel circuits. Verify against the datasheet to ensure the number of sections matches your application requirements.

Specifies the material used for the resistive element, such as thick film, thin film, or wirewound. This affects temperature stability, noise, and power handling. Verify against datasheet for precision or high-reliability applications.

Specifies how the component's value or setting is adjusted, such as trimmer, potentiometer, or variable capacitor. Choose the type that matches your circuit tuning requirements. Verify the adjustment mechanism and tool compatibility with the datasheet before ordering.

Indicates how much a key parameter, such as voltage or resistance, changes per degree Celsius. Lower values mean better stability across temperature. Verify this against your operating temperature range to ensure consistent performance in your environment.

Indicates how the component connects to the PCB, such as through-hole, SMD, or press-fit. This affects assembly method, thermal performance, and mechanical strength. Verify compatibility with your board design and soldering process before ordering.

Lists the product categories or classifications assigned to this component, such as connectors, capacitors, or modules. This helps in filtering and comparing similar parts. Review the categories to ensure the component fits your application and to find alternative parts in the same class.

Indicates the specific product subcategories or classifications within the broader component family. Helps narrow down search results and identify the exact type of component needed for your design. Review the subcategory to ensure compatibility with your application.

Specifies the direction the actuator faces relative to the PCB mounting plane. This affects how the switch or encoder is operated in the final assembly. Verify orientation against the datasheet to ensure proper alignment with the user interface or mechanical actuation mechanism.

Specifies the thread size and pitch of the mounting bushing, ensuring proper fit with mating hardware. Verify against the datasheet for compatibility with your enclosure or panel. Critical for mechanical assembly and vibration resistance.

Physical construction or design type. This describes the internal architecture or packaging style, such as surface mount, through-hole, or module. It affects mounting, thermal performance, and reliability. Verify that the construction matches your assembly process and application requirements.

Specifies the lowest ambient temperature at which the component is guaranteed to function within its electrical and mechanical specifications. Verify this limit against the datasheet for your application's thermal environment, especially for automotive or industrial designs.

Physical length of the switch actuator, such as a lever or plunger, from the mounting surface to the tip. Affects the force and travel required for actuation. Ensure it fits your panel or PCB layout and meets ergonomic requirements.

Specifies the physical diameter of the actuator or shaft, which affects mounting compatibility and mechanical fit. Verify this dimension against the datasheet to ensure proper integration with your assembly, especially for switches, relays, or potentiometers.

Indicates the product series or family, grouping components with similar design and specifications. Helps identify compatible parts and compare within a product line. Verify the series against the datasheet to ensure correct application.

Specifies the physical dimensions of the component body, typically length, width, and height. This attribute helps determine mechanical fit on the PCB and in the enclosure. Verify against the datasheet for exact tolerances and mounting requirements.

Specifies the direction or type of rotation for rotating components such as fans, motors, or encoders. Buyers compare this to ensure proper airflow, motion, or signal output in their system. Verify against the datasheet for exact orientation.

A more specific classification within the main product category, such as 'Ceramic Capacitor' under 'Capacitors'. This helps narrow down search results and compare similar components. Use it to filter products with similar characteristics and intended applications.

Specifies the physical weight of the electronic component, important for logistics, shipping cost, and mechanical design. Verify the exact weight in the datasheet or packaging information, as it may vary with packaging type and quantity.

Describes the construction or technology of the resistor, such as carbon film, metal film, thick film, or wirewound. This affects performance characteristics like tolerance, temperature coefficient, noise, and power handling. Choose the type that matches your application's precision and stability requirements.

Identifies the core product family without package, grade, or option suffixes. Use this to compare equivalent components across manufacturers and to locate the primary datasheet. Verify the full ordering code against the manufacturer's specification before design-in.

The unique part number assigned by the original component manufacturer. Use this to cross-reference datasheets, verify specifications, and ensure the exact component matches your design requirements. Always confirm the number against the manufacturer's official documentation.