The **ALR-513-R/BL** is a specialized electronic component, typically categorized as a high-reliability **Power Entry Module (PEM)** or an **EMI/RFI Filter** used in power management systems. Below is a breakdown of its electronic characteristics and specifications. --- ### 1. Component Overview This part is designed to sit between the main power source and the internal circuitry of a device. Its primary functions are noise suppression (filtering) and providing a secure physical interface for power input. ### 2. Technical Specifications While specific datasheets can vary by manufacturer (often associated with brands like Delta, TE Connectivity, or Schurter), the standard parameters for the "513" series usually include: | Parameter | Specification (Typical) | | :--- | :--- | | **Voltage Rating** | 115/250 VAC | | **Current Rating** | 1A to 10A (Depending on sub-variant) | | **Operating Frequency** | 50/60 Hz | | **Leakage Current** | < 0.5 mA at 250VAC | | **Termination Style** | Faston (Quick Connect) or Solder Lugs | | **Mounting Type** | Panel Mount (Snap-in or Screw) | --- ### 3. Key Electronic Sub-Parts The ALR-513 series is more than just a plug; it contains an internal circuit consisting of: * **Inductors (Chokes):** Used to block high-frequency noise from entering or leaving the device. * **X-Capacitors:** Connected across the line to filter differential mode noise. * **Y-Capacitors:** Connected from the line/neutral to the ground to filter common-mode noise. * **Bleeder Resistor:** Often included to discharge the capacitors when power is disconnected for safety. ### 4. Code Breakdown * **ALR:** Often indicates the series or manufacturer specific prefix (Common in power filtration). * **513:** Denotes the physical housing size and internal circuit configuration. * **-R:** Usually signifies **Resistance** (built-in discharge resistor) or **RoHS** compliance. * **-BL:** Typically refers to the color (**Black**) or a specific **Bolt-on/Locking** mounting style. --- ### 5. Application Areas These parts are essential in environments where electromagnetic interference could cause equipment malfunction: 1. **Medical Equipment:** High-grade filtering to prevent interference with sensitive monitors. 2. **IT Infrastructure:** Used in servers and networking switches. 3. **Industrial Controls:** Protecting PLCs from electrical noise on the factory floor.