The **W2PV-C2SB1-R** is a specific industrial-grade components often associated with **high-power DC power supply units (PSUs)**, frequently used in server chassis, networking equipment, or high-density computing environments (such as those produced by manufacturers like Inspur or Supermicro). Below is a breakdown of its technical characteristics and electronic parts. --- ## 1. Core Technical Specifications The W2PV-C2SB1-R is typically a **2000W - 2200W Common Redundant Power Supply (CRPS)** module. | Feature | Specification | | :--- | :--- | | **Form Factor** | CRPS (Common Redundant Power Supply) | | **Maximum Output** | 2000W / 2200W (depending on input voltage) | | **Input Voltage** | 100-240V AC / 240V DC | | **Efficiency Rating** | 80 PLUS Platinum or Titanium | | **Main Output** | +12.2V DC | | **Standby Output** | +12Vsb | --- ## 2. Key Internal Electronic Components The internal architecture of this unit relies on high-efficiency power conversion technologies. ### A. Power Factor Correction (PFC) Stage To handle 2000W+, the unit uses an active PFC circuit. * **MOSFETs:** Usually high-voltage Gallium Nitride (GaN) or Silicon Carbide (SiC) transistors to minimize switching losses. * **Bulk Capacitors:** Large electrolytic capacitors (rated for 450V) to hold charge and smooth the rectified AC input. ### B. DC-DC Conversion (Main Stage) The unit converts high-voltage DC to 12V using a **Resonant LLC Converter** topology. * **Isolation Transformer:** A high-frequency ferrite core transformer that provides galvanic isolation between the primary (high voltage) and secondary (low voltage) sides. * **Synchronous Rectifiers:** Low-resistance MOSFETs on the secondary side that replace traditional diodes to improve efficiency. ### C. Protection & Management Circuitry * **Microcontroller (MCU):** An onboard chip (often from TI or STMicroelectronics) that communicates via **PMBus / I2C** to report fan speed, temperature, and power consumption to the server motherboard. * **Protection ICs:** Dedicated hardware for OVP (Over Voltage), OCP (Over Current), and OTP (Over Temperature). --- ## 3. Physical Interface and Cooling The exterior "parts" allow the module to integrate into a larger system: 1. **Golden Finger Connector:** The PCB edge connector that slides into the power distribution board (PDB). It contains pins for 12V delivery and signal pins for the PMBus. 2. **Cooling Fan:** A high-RPM 40mm dual-ball bearing fan located at the rear to pull air through the densely packed components. 3. **LED Indicator:** A bi-color LED (usually Green/Amber) to indicate "Power Good," "Standby," or "Fault" status. ---