The part number **570-059M03LL** corresponds to a specific high-performance connector component, typically manufactured by **Glenair**. This part belongs to the **Series 570** product line, which focuses on subminiature, lightweight rectangular connectors. --- ### 1. Component Identification This part is a **high-density rectangular connector** designed for military, aerospace, and high-reliability industrial applications. | Feature | Specification Details | | :--- | :--- | | **Manufacturer** | Glenair | | **Series** | Series 570 (Subminiature Rectangular) | | **Type** | Polarized Board Mount / Panel Mount | | **Density** | High-density contact arrangement | --- ### 2. Breakdown of the Part Number While specific manufacturer catalogs can vary slightly, the nomenclature "570-059M03LL" generally breaks down as follows: * **570**: The product series (Micro-Crimp style or similar high-density rectangular). * **059**: The specific shell size or insert arrangement (defines the number of pins). * **M**: Shell material/finish (typically **Electroless Nickel**, which provides excellent conductivity and corrosion resistance). * **03**: Specific hardware or mounting option (e.g., guide pins or screw locks). * **LL**: Termination type or specific lead length (often refers to **Long Leads** for PCB through-hole mounting). --- ### 3. Key Electronic & Physical Attributes #### Electrical Properties * **Current Rating:** Typically 3 Amps per contact. * **Dielectric Withstanding Voltage:** Usually rated around 600 VAC at sea level. * **Insulation Resistance:** 5000 Megohms minimum. * **Contact Resistance:** Low millivohm ratings due to gold-plated copper alloy contacts. #### Mechanical & Environmental * **Compact Design:** Designed to save space compared to standard D-Sub connectors. * **Durability:** Rated for 500+ mating cycles. * **Temperature Range:** Operates effectively between **-55°C to +150°C**. * **EMI Shielding:** The "M" (Nickel) finish provides a conductive path for EMI/RFI suppression. --- ### 4. Common Applications Due to its ruggedized nature and small footprint, this part is used in: 1. **Avionics:** Flight control systems and cockpit displays. 2. **Space Systems:** Satellite instrumentation where weight is critical. 3. **Medical Electronics:** Portable diagnostic imaging equipment. 4. **Defense:** Handheld tactical radios and sensor suites. ---