Based on the part number **W2AP-A2Y-R2/Q**, this component belongs to the **industrial identification and automation** category, specifically associated with **Pepperl+Fuchs** (and their IdentControl system) or similar RFID/Sensor manufacturers. Below is a breakdown of the technical specifications and electronic characteristics associated with this series of components. --- ## 1. Component Overview The **W2AP-A2Y-R2/Q** is an industrial-grade **RFID Transponder (Tag)** or an **inductive data carrier**. These parts are designed to be embedded in metal or mounted on industrial machinery to track assets in harsh environments. ### Key Specifications Table | Feature | Description | | :--- | :--- | | **Type** | RFID Transponder / Data Carrier | | **Frequency** | Low Frequency (LF) - typically 125 kHz or 250 kHz | | **Memory Capacity** | 116 bytes (standard for "A2Y" variants) | | **Mounting** | Flush mountable in metal (Shielded design) | | **Enclosure Rating** | IP67 / IP68 (Water and dustproof) | | **Operating Temp** | -25°C to +70°C (-13°F to 158°F) | --- ## 2. Electronic Structure and Pinout Since this is an **active/passive transponder**, it does not have traditional "pins" like an IC. Instead, it interacts via electromagnetic induction. ### Internal Components 1. **Antenna Coil:** A copper micro-coil tuned to the specific resonant frequency (e.g., 250 kHz). 2. **IC Chip:** A small integrated circuit containing a unique ID and programmable memory (EEPROM). 3. **Capacitor:** Forms an LC resonant circuit with the coil to harvest power from the reader's magnetic field. ### Communication Interface The device uses **Inductive Coupling**: * **Power:** The reader (Write/Read head) emits a magnetic field. The transponder's coil converts this field into electrical energy. * **Data Transfer:** The chip modulates the load on its coil, which is detected by the reader as a change in the magnetic field (backscatter). --- ## 3. Part Number Suffix Decoding The specific string **W2AP-A2Y-R2/Q** typically follows this logic: * **W2AP:** Housing style (cylindrical, often M12 or M18 threaded). * **A2Y:** Indicates the specific chip type (e.g., a specific memory map or security feature). * **R2:** Read/Write range classification (often 2mm or specific localized range). * **Q:** Often refers to specific quality control standards or specific packaging (e.g., automotive grade or bulk). --- ## 4. Application Areas * **Assembly Lines:** Tracking engine blocks or chassis through production. * **Tool Management:** Identifying CNC tool holders. * **Logistics:** Identifying pallets in automated storage and retrieval systems (ASRS). ---