JR21RK-16SC Circular Connectors - Housings by Hirose

Describes the specific configuration or variant of the component, such as packaging, lead form, or mounting style. Engineers compare options to match exact design requirements. Always check the option code against the datasheet to ensure compatibility with your application.

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 the type of filtering the component provides, such as EMI, RFI, or signal conditioning. Compare this attribute when selecting parts for noise suppression or signal integrity. Verify the exact filter topology and performance against the datasheet.

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.

Reliability rating or qualification indicates the component's expected performance under specified conditions over time. Compare reliability levels when selecting parts for critical applications, and verify the qualification standard against the datasheet to ensure it meets your requirements.

Specifies the metal alloy used for the electrical contact surfaces, affecting conductivity, wear resistance, and corrosion behavior. Compare materials like silver, gold, or palladium for signal integrity and durability. Verify against datasheet for application-specific requirements.

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.

A physical feature on connectors or housings that ensures correct mating orientation. This prevents mismating and potential damage. Verify the key type and position against the datasheet to ensure compatibility with your mating connector and application.

Specifies the mating connector or counterpart part required for proper connection. Use this to verify compatibility with your existing system or to order the correct mating component. Always cross-check with the datasheet for exact part numbers and locking mechanisms.

Indicates the industry specification or standard the component complies with, such as IEC, MIL, or JEDEC. Buyers use this to ensure regulatory and quality compliance. Verify the exact standard and revision against the datasheet before design-in.

Specifies the maximum voltage that the insulation between conductors can withstand without breakdown. Critical for safety and reliability in power supplies, transformers, and connectors. Engineers must verify this rating against the datasheet for their application's isolation requirements.

Contact resistance measures the electrical resistance at the interface between mating contacts. Lower values indicate better conductivity and less heat generation. Compare this parameter across connectors, relays, and switches to ensure reliable signal integrity and power transfer. Always verify against the datasheet for your specific application.

Total number of contact positions in the connector. This determines the maximum number of electrical connections possible. Compare with your circuit requirements and verify against the datasheet to ensure the connector matches your pin count and layout.

Indicates the typical duration from order confirmation to shipment from the manufacturer's facility. This helps you plan production schedules and inventory. Verify current lead times with your distributor or supplier, as they may vary based on order quantity, product availability, and market conditions.

Specifies the geometric profile of the contact interface, such as round, square, or flat. This affects mating reliability and current density. Verify the shape against the connector datasheet to ensure proper fit and performance in your application.

Indicates the resistance between insulated conductors or contacts, typically measured in megohms. High values ensure minimal leakage current and safe operation. Check datasheet for minimum acceptable levels under specified test conditions.

Specifies the ambient temperature range within which the component reliably functions. Compare this with your application's thermal environment to ensure proper operation. Always verify against the datasheet for derating curves and maximum ratings.

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.

This attribute describes the type of shielding applied to a component or cable, such as foil, braid, or a combination, to protect against electromagnetic interference. Buyers and engineers use it to ensure compatibility with EMC requirements and to maintain signal integrity in sensitive applications. Confirm the shielding effectiveness with the datasheet.

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.

Specifies the mechanical method used to secure the component to a PCB or panel, such as screw, snap-in, or adhesive. This affects assembly time, reliability under vibration, and serviceability. Verify compatibility with your mounting process and enclosure design before ordering.

Provides additional information or remarks about the component that are not covered by other attributes. This may include special handling instructions, application notes, or manufacturer clarifications. Always review this note to avoid overlooking important details that could affect design or assembly.

Indicates the physical mounting orientation of the connector relative to the PCB or mating direction. Engineers compare this to ensure proper alignment in the assembly. Verify against the datasheet for correct placement and mating.

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.

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.

Material used for the insert in connectors or sockets. Affects durability, thermal performance, and signal integrity. Choose based on application environment and mating cycle requirements. Confirm with datasheet for compatibility with your system.

Specifies the connector series or family, such as USB, RJ45, or D-Sub. This determines mechanical compatibility, pin layout, and mating standards. Verify against the datasheet to ensure the connector matches your board design and mating counterpart.

Select the component category that best matches your application, such as resistor, capacitor, diode, or connector. This classification helps narrow down the correct part family and ensures compatibility with your circuit design. Verify the type against the datasheet to avoid mismatches.

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.

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 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.

Indicates whether the component complies with German DIN standards. Verify this attribute when the application requires specific mechanical, electrical, or safety specifications defined by DIN. Check the datasheet for the exact DIN number and edition to ensure compatibility with your system.

Indicates whether the component meets military specifications (MIL-SPEC) for reliability, performance, and environmental resistance. This is critical for defense, aerospace, and high-reliability applications. Verify the specific MIL standard and test conditions in the datasheet.

Indicates whether the component meets International Electrotechnical Commission standards. Check this attribute to ensure compatibility with international safety and performance requirements. Verify the specific IEC standard listed in the datasheet for your application.

Indicates the flammability classification of the insulating material used in the component, typically following UL 94 standards. This rating helps engineers assess fire safety and compliance with regulatory requirements. Check the datasheet for the specific test method and thickness conditions.

Maximum current rating for signal transmission through the component. This value ensures reliable signal integrity without overheating. Compare it with your circuit's actual signal current to avoid exceeding the limit, and verify derating factors for high-temperature environments.

Specifies the total number of electrical contact points in the connector. This determines the maximum number of circuits that can be connected. Verify against the datasheet to ensure it matches your required pin count and mating connector configuration.

Indicates whether the connector shell is supplied without contacts, allowing you to insert your own crimp contacts. This is useful for custom wiring and field assembly. Check the shell's compatibility with the required contact gauge and insertion tooling.

Indicates how many independent connection points or interfaces the component provides. Compare this when selecting connectors, switches, or modules for multi-channel designs. Verify against the datasheet to ensure the port count matches your system's required I/O configuration.

Indicates the surface finish applied to the connector shell, affecting corrosion resistance, shielding effectiveness, and appearance. Choose finish based on environmental exposure and EMI requirements. Check datasheet for plating thickness and adhesion properties.

Describes special mechanical characteristics for mounting, such as through-hole, surface mount, or specific clips. Ensures compatibility with your PCB layout and assembly process. Confirm before designing the footprint.

Defines the contact gender and style, such as pin (male) or socket (female). This determines how the connector mates with its counterpart. Ensure the contact type matches your cable or board connector to avoid mismating. Refer to the datasheet for contact material and plating.

Indicates the color of the component's outer housing, which may aid in visual identification and inventory management. Verify the color against the manufacturer's datasheet or product photos, as it does not affect electrical performance but may be important for assembly or aesthetic requirements.

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.

Specifies the base material of the connector shell, determining mechanical robustness, weight, and thermal conductivity. Critical for applications with vibration or temperature extremes. Verify material type and any plating in the datasheet for compatibility.

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.

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 shell size designation for the insert of a connector. This dimension determines compatibility with mating shells and panel cutouts. Verify against the datasheet to ensure proper fit and mechanical mating before ordering.

Measure the widest dimension of the component body, excluding leads and terminals. This attribute helps determine PCB footprint compatibility and mechanical fit. Verify against the datasheet drawing for accurate placement and clearance in your assembly.

Specifies the physical size or gauge of the contact, which affects current rating and mating compatibility. Ensure the contact size matches your wire gauge and connector housing. Check the datasheet for exact dimensions and recommended wire range.

Measures the physical depth of the connector body from front to back, excluding any mounting hardware or contacts. This dimension is critical for ensuring proper clearance in enclosures and mating with other components. Verify against the datasheet for exact tolerances and mounting considerations.

Specifies the physical size of the component body, either its length for rectangular parts or diameter for cylindrical ones. This dimension is critical for PCB layout and mechanical fit. Verify against the datasheet to ensure clearance and proper mounting in your enclosure or assembly.

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.

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.

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.

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.

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.