Bel Fuse / Power-One CPA250-4530 AC-DC Power Supply

The Bel Fuse/Power-One CPA250-4530 is a 250W AC-DC power supply module designed for CompactPCI systems, offering high power density and efficiency. It features a universal AC input with active power factor correction (PFC) and can also accept a DC input. The device provides four regulated DC outputs and incorporates comprehensive protection features. Its design facilitates hot-swap capability and is compliant with the PICMG power interface specification for CompactPCI systems.

### Technical Specifications

**General**
* **Manufacturer:** Bel Fuse / Power-One
* **Model:** CPA250-4530
* **Product Type:** AC-DC Power Supply
* **Maximum Power:** 250 W
* **Technology:** Patented EDGETM technology
* **Compliance:** PICMG® CompactPCI® specifications
* **RoHS Compliance:** Available (models ending in ‘G’)

**Electrical Specifications**
* **Input Voltage Range (AC):** 90 to 264 VAC, 100-240 VAC
* **Input Frequency Range:** 47 to 63 Hz, 50 to 60 Hz
* **Input Current:** Up to 3.7A, up to 4.5A, up to 8A (for CPA500)
* **Input Type:** Universal AC or DC input with PFC
* **Active Power Factor Correction (PFC):** Yes, according to EN 61000-3-2
* **Input Protection:** Transient suppressor (varistor), voltage suppressor diodes, active inrush current limiter
* **Output Power (Total):** 250 W
* **Output Voltage and Current:**
* **Output 1:** 5 VDC, 40A
* **Output 2:** 3.3 VDC, 40A
* **Output 3:** 12 VDC, 5.5A
* **Output 4:** -12 VDC, 2A
* **Output Protection:** Overload, open-circuit, and short-circuit protection for all outputs
* **Efficiency:** High efficiency (specific values may vary based on load and input conditions, typical efficiency mentioned as high)
* **Inrush Current:** Low, negligible, limited by active circuitry
* **Hold-up Time:** Minimum 15ms at Vimin, Ion nom
* **Start-up Time:** Maximum 150ms at Vin nom, Io nom

**Interfaces and Control**
* **Connector:** 47-pin Positronic connector
* **Inhibit Input:** Yes
* **Enable Input:** Yes
* **Remote Sense Lines:** Yes
* **Current Share Function:** Single-wire current share for 3 outputs

**Physical Specifications**
* **Dimensions:**
* 6.4″ x 1.6″ x 6.4″ (162.5mm x 40.6mm x 162.5mm) for 8 HP width
* (Note: Other physical configurations, like 6U, might exist for higher wattage models)
* **Form Factor:** Plug-in module for CompactPCI systems
* **Cooling:** Forced-air cooling required (sum of output power must not exceed total power for specified cooling)
* **Enclosure:** Aluminum case acts as a heat sink and RFI shield

**Features and Benefits**
* **High Power Density:** Maximizes power output within a compact footprint.
* **Hot-Swap Capability:** Allows for replacement or addition of modules without system shutdown.
* **Redundancy:** Integrated ORing FETs/diodes for true n+1 redundant operation.
* **Protection:** Comprehensive overtemperature, overvoltage, overcurrent, and overpower protection.
* **Reliability:** Designed for high availability and reliable operation in demanding environments.
* **Low Inrush Current:** Protects downstream components and power distribution systems.
* **Flexible Load Distribution:** Facilitates optimized power delivery to multiple outputs.

Why Choose Aumictech for the Bel Fuse / Power-One CPA250-4530?
At Aumictech, we specialize in supplying high-end AC-DC power supply equipment. Whether you need robust power for industrial control systems, reliable voltage for telecommunications infrastructure, or efficient energy conversion for datacom applications, our team ensures the Bel Fuse / Power-One CPA250-4530 delivers maximum performance for your application.