This 4-layer FR4 PCB addresses the needs of industrial control applications requiring extensive component integration, reliable power management, and robust mechanical stability. 尺寸为 350mm×125mm 和一个 1.5毫米厚度, the board provides a large surface area for mounting high-power devices, relays, and connectors while maintaining rigidity for panel installations in control cabinets. 构造自 FR4材质, it offers stable electrical insulation (介电常数εr=4.5) 和机械强度, suitable for operation in industrial environments with temperature fluctuations and vibration.
- 4-层堆叠:
- 2 信号层 + 2 power/ground planes for efficient EMI suppression
- Inner power planes optimized for 24V DC distribution in industrial control systems
- 1奥兹 (35微米) 铜厚:
- 支持中等电流负载 (up to 10A per trace) for motor drivers and solenoid valves
- Copper pour areas on power layers reduce resistive heating
- 绿色 LPI 阻焊层:
- Standard industrial color for easy visual inspection
- Chemical resistance against oils, coolants, 和清洁剂
- 沉金表面处理:
- 3–5μm 镍层可防止恶劣环境中的腐蚀
- 0.05–0.1μm gold layer ensures reliable solder joints for field-replaceable components
- 混合 SMT+DIP 能力:
- 表面贴装技术: High-density placement of microcontrollers and signal conditioning ICs
- 蘸: Robust through-hole connectors (例如, 接线端子, DB9 ports) for field wiring
- Large-Format Fabrication:
- 激光直接成像 (LDI) for 75μm line/space accuracy across the entire board
- Electrolytic copper plating with uniform thickness verification
- Rigorous Testing:
- 100% AOI 检查阻焊层覆盖率和丝印清晰度
- 飞针测试电气连续性 (≤0.1Ω) 和隔离 (≥100MΩ)
- 振动测试 (5–500Hz, 2G) to simulate industrial machine operation
- 遵守:
- IPC-6012级 2 用于工业电子产品
- RoHS/REACH compliant for hazardous substance restrictions
- PLC Control Panels:
Mounts programmable logic controllers, I/O modules, and power supplies for factory automation.
- Motor Drive Systems:
Manages power distribution for variable frequency drives (VFDs) in conveyor systems.
- 楼宇自动化:
Integrates HVAC controllers, lighting panels, and security systems in commercial buildings.
- 可再生能源逆变器:
Supports power conversion for solar or wind energy systems with robust thermal management.
By combining a large form factor, 4-layer power/signal separation, and mixed assembly capabilities, this PCB enables engineers to build comprehensive industrial control systems in a single board. The green solder mask and ENIG finish balance standardization with reliability, while the 350mm×125mm layout accommodates both high-power components and complex signal routing. 由 ISO 支持 9001:2015 认证, it delivers consistent performance for industrial applications where downtime and maintenance costs must be minimized.
