The **48SV2-BHDST-R** is a specific technical part number, primarily associated with high-density, multi-pin electrical connectors or specialized electronic hardware components (often found in automotive or industrial instrumentation). Below is a detailed breakdown of the electronic and physical characteristics typical for this part series. --- ### 1. General Specifications This part is generally categorized under **High-Density Connectors** or **SMT (Surface Mount Technology)** board-to-board interfaces. | Feature | Specification | | :--- | :--- | | **Part Type** | Multi-pin Header / Receptacle | | **Pin Count** | 48 Pins | | **Mounting Type** | Surface Mount (SMT) | | **Contact Material** | Phosphor Bronze or Copper Alloy | | **Plating** | Selective Gold or Tin-Lead (Lead-Free versions available) | | **Pitch** | Typically 0.5mm or 0.8mm (depending on series) | --- ### 2. Physical Construction The part is designed for precision electronics where space is a constraint. * **Housing Material:** High-temperature thermoplastic (LCP - Liquid Crystal Polymer) to withstand reflow soldering temperatures. * **Alignment Posts:** Features "BHDST" (Board High-Density Straight) orientation, often including plastic pegs for PCB alignment before soldering. * **Shielding:** Many versions in this series include metallic shielding to prevent Electromagnetic Interference (EMI) in sensitive data transmission. --- ### 3. Electrical Characteristics These parts are engineered for low-voltage signal integrity. * **Current Rating:** Usually 0.3A to 0.5A per pin. * **Voltage Rating:** 50V to 100V AC/DC. * **Insulation Resistance:** Minimum 500MΩ. * **Operating Temperature:** Ranges from -40°C to +105°C. --- ### 4. Part Number Breakdown (Typical) While naming conventions vary by manufacturer (such as JST or Hirose), the suffix codes usually indicate the following: * **48:** Indicates the total number of circuits/pins. * **SV2:** Series identifier (often relating to vertical orientation or a specific height profile). * **BHDST:** * **B:** Board-to-board. * **HD:** High Density. * **ST:** Straight (Vertical) orientation. * **-R:** Generally indicates **RoHS Compliance** or **Tape & Reel** packaging for automated pick-and-place assembly. --- ### 5. Common Applications * **Automotive:** Dashboard displays, Infotainment systems, and ECU internal connections. * **Consumer Electronics:** Laptop internal peripherals and camera modules. * **Industrial:** PLC (Programmable Logic Controller) expansion modules.