The **M2PHSH-A4-R2** is a specialized high-speed connector component, typically part of a modular interconnect system (often associated with high-density PCB power or signal distribution). Below is a breakdown of its electronic and mechanical characteristics. --- ### 1. General Specifications The device is designed for board-to-board or cable-to-board interfaces where space and reliability are critical. | Feature | Specification | | :--- | :--- | | **Part Series** | M2PHSH (High-Speed / High-Density) | | **Configuration** | A4 (4-row or specific layout variant) | | **Revision** | R2 (Second design iteration) | | **Material** | High-temperature thermoplastic / Copper alloy contacts | | **Plating** | Selective gold or tin plating (application dependent) | --- ### 2. Key Electronic Characteristics #### A. Signal Integrity The "SH" in the part number often denotes **Shielded** or **High-Speed**. * **Impedance Matching:** Designed to maintain 50Ω or 100Ω differential impedance to minimize signal reflection. * **Crosstalk Suppression:** Internal shielding or grounding pin arrangements reduce electromagnetic interference (EMI) between adjacent signal lines. #### B. Current & Voltage Ratings * **Current Capacity:** Typically rated between 0.5A to 2.0A per contact, depending on the pitch. * **Voltage Rating:** Generally handles up to 125V AC/DC. #### C. Contact Resistance * Engineered for low ohmic resistance (usually <20mΩ) to prevent voltage drops and heat buildup in high-frequency circuits. --- ### 3. Mechanical & Environmental Parts * **Housing:** Usually made of LCP (Liquid Crystal Polymer) to withstand SMT (Surface Mount Technology) reflow soldering temperatures. * **Keying/Polarization:** The "A4" designation often refers to a specific physical keying that prevents incorrect insertion into the mating header. * **Durability:** Rated for a specific number of mating cycles (e.g., 50 to 100 cycles) before contact degradation occurs. --- ### 4. Typical Applications These parts are commonly found in: 1. **Industrial Computing:** Connecting motherboards to daughterboards. 2. **Telecommunications:** High-speed routers and switches. 3. **Medical Equipment:** High-resolution imaging data transmission. ---