The part number **507T175E0901** refers to a high-performance **Micro-D connector** manufactured by **Glenair**. These connectors are specialized versions of subminiature D-style connectors, designed for space-constrained applications requiring extreme reliability. --- ### 1. Technical Specifications The part number is a coded string that defines the physical and electrical characteristics of the component. | Feature | Specification | | :--- | :--- | | **Series** | 507 (Glenair Micro-D Backshell/Connector series) | | **Shell Material** | Typically Aluminum Alloy or Stainless Steel | | **Contact Type** | Pin or Socket (Determined by the 'E' designator) | | **Position Count** | 9 Contacts (indicated by '09') | | **Mounting Style** | Termination/Hardware specific (T175 code) | | **Plating** | Electroless Nickel or Gold (Standard for aerospace) | --- ### 2. Key Electronic Properties As a Micro-D connector, this part is engineered for specific electrical environments: * **Current Rating:** Typically **3 Amps** per contact. * **Dielectric Withstanding Voltage:** Usually **600 VAC** at sea level. * **Insulation Resistance:** 5000 Megohms minimum. * **Contact Resistance:** Low millivolt drop (typically < 8mΩ) due to the **TwistPin** contact system. * **Operating Temperature:** Rated for extreme ranges, often **-55°C to +150°C**. --- ### 3. Design and Application The 507T series often includes an **integrated backshell**, which provides several advantages: 1. **EMI/RFI Shielding:** The metal housing protects sensitive signals from electromagnetic interference. 2. **Strain Relief:** Prevents wire damage during high vibration or mechanical shock. 3. **Miniaturization:** Provides 0.050 inch (1.27 mm) contact spacing, which is roughly half the size of a standard D-Sub connector. #### Common Industries: * **Aerospace:** Used in flight control systems and cockpit electronics. * **Defense:** Integrated into handheld tactical radios and missile guidance systems. * **Space:** Utilized in satellite instrumentation due to low outgassing properties. --- ### 4. Comparison: Micro-D vs. Standard D-Sub | Feature | Micro-D (507 Series) | Standard D-Sub | | :--- | :--- | :--- | | **Pitch** | 0.050" (1.27 mm) | 0.109" (2.77 mm) | | **Weight** | Ultralight | Moderate | | **Durability** | High (Military Grade) | Consumer/Industrial Grade | | **Locking** | Jackscrews | Friction or Screws |