Based on the part number **4HDD15PBY99R30X**, this component is a **High-Density D-Sub Connector** manufactured by **Conec**. Below is a detailed breakdown of its electronic and mechanical specifications. --- ## 1. Part Number Decoder To understand the electronic nature of this part, we can break down the nomenclature: | Code | Meaning | Description | | :--- | :--- | :--- | | **4** | Product Group | Precision machined contacts | | **HDD** | Series | High-Density D-Sub | | **15** | Position | Number of pins/contacts | | **P** | Contact Type | Plug (Male) | | **BY** | Termination | Straight PC tail (Solder pin) | | **99R30X** | Hardware/Plating | Specific mounting hardware and gold plating class | --- ## 2. Technical Specifications This part is designed for PCB mounting where space is limited but high signal density is required. ### Electrical Characteristics * **Current Rating:** Typically 3A per contact. * **Working Voltage:** 250V AC. * **Insulation Resistance:** $\ge 5000 \, \text{M}\Omega$. * **Contact Resistance:** $\le 10 \, \text{m}\Omega$ (initial). * **Dielectric Withstanding Voltage:** 1000V AC (for 1 minute). ### Mechanical & Material Properties * **Housing:** Glass-filled thermoplastic (UL 94 V-0 rated). * **Contacts:** Copper alloy, gold plated over nickel. * **Shell:** Steel, tin-plated (provides shielding and grounding). * **Mating Cycles:** Usually rated for 50 to 500 cycles depending on the specific plating grade (R30X typically denotes high-quality gold plating). --- ## 3. Application Use Cases D-Sub connectors are legacy standards but remain critical in industrial and computing environments due to their robust physical locking mechanisms. 1. **Industrial Automation:** Sensor arrays and control signals where vibration resistance is needed. 2. **Telecommunications:** High-density backplane signaling. 3. **Medical Equipment:** Reliable UI/UX interface connections. 4. **Legacy Video:** Often used in specialized VGA or RGB signal routing. --- ## 4. Footprint Pattern As a "High Density" connector, it uses **3 rows** of pins instead of the standard 2 rows found in regular D-Sub connectors. ```text Row 1: Pins 1 - 5 Row 2: Pins 6 - 10 Row 3: Pins 11 - 15 ```