Based on the part number **S02-05-R**, this is typically identified as a **Surface Mount Device (SMD) Shield Clip** manufactured by **Harwin**. These components are used in electromagnetic compatibility (EMC) design to ground shielding cans to a Printed Circuit Board (PCB). --- ## 1. Technical Specifications The S02-05-R is part of the EZ-BoardWare range. Below are the key electrical and physical specifications: | Feature | Specification | | :--- | :--- | | **Material** | Beryllium Copper | | **Finish** | Tin over Nickel | | **Shield Thickness Compatibility** | 0.13mm to 0.23mm | | **Current Rating** | Data not applicable (mechanical grounding) | | **Mounting Type** | Surface Mount (SMT) | | **Packaging** | Tape & Reel (indicated by the "-R" suffix) | --- ## 2. Key Functions The primary role of this electronic part is to simplify the assembly and maintenance of RF (Radio Frequency) shielding. * **RF Shielding Attachment:** It acts as a mechanical retainer for metal shield cans (RFI shields). Instead of soldering the can directly to the PCB, the clips are soldered first. * **Grounding Path:** It provides a low-impedance electrical path between the shield can and the PCB ground plane to suppress EMI (Electromagnetic Interference). * **Reworkability:** Because the shield can is "clipped" in rather than soldered, technicians can easily remove the shield to access components underneath for repair or testing. --- ## 3. Physical Layout & Dimensions The S02-05-R is a "mini" clip designed to save space on high-density boards. * **Footprint:** Typically requires a small rectangular solder pad. * **Profile:** Low profile to minimize the total height of the assembly. * **Design:** Features a spring-finger mechanism that grips the side of the metal shield wall. --- ## 4. Soldering Guidelines As an SMT component, the S02-05-R follows standard reflow soldering processes: ```text Recommended Reflow Profile: - Pre-heat: 150°C to 200°C - Peak Temperature: 260°C (Lead-Free) - Cooling: Natural or controlled at 3°C/sec ``` ---