This 4-layer FR4 PCB addresses the needs of industrial control and automation systems that require a balance of compact design, reliable performance, and versatile component integration. Với kích thước của 107.03×42.80mm và một 1.6độ dày mm, the board offers a space-efficient platform for mounting microcontrollers, communication interfaces, and power management components in devices such as sensor nodes, motor controllers, and industrial gateways. Xây dựng từ vật liệu FR4, it provides stable electrical insulation (Hằng số điện môi εr = 4,5) and mechanical rigidity, suitable for operation in environments with moderate vibration and temperature fluctuations.
- 4-Xếp chồng lớp:
- 2 Lớp tín hiệu + 2 power/ground planes to minimize electromagnetic interference (Emi)
- Inner layers optimized for split power domains (ví dụ., 5V/3.3V) and ground plane isolation
- 1Oz (35μm) Độ dày đồng:
- Supports moderate current loads (lên tới 8A trên mỗi dấu vết rộng) for power-hungry components
- Copper pour areas on power planes reduce voltage drop and thermal hotspots
- Mặt nạ hàn LPI màu xanh:
- Enhances visual contrast for component identification in dense layouts
- Chemical resistance against industrial solvents and cleaning agents
- Bề mặt hoàn thiện ENIG:
- 3–5μm nickel layer prevents corrosion in harsh environments
- 0.05–0.1μm gold layer ensures reliable solder joints for both SMT and DIP components
- Mixed SMT+DIP Capability:
- SMT: High-density placement of 0201 thành phần thụ động, QFP ICs, and BGA packages (0.5mm sân)
- NHÚNG: Through-hole mounting for rugged connectors (ví dụ., khối thiết bị đầu cuối, RJ45 ports) và rơle
- Precision Fabrication:
- Laser direct imaging (LDI) for 75μm line/space accuracy in signal traces
- Electrolytic copper plating with uniform thickness across all layers
- Kiểm tra toàn diện:
- 100% automated optical inspection (Aoi) for solder mask coverage and silkscreen clarity
- Kiểm tra đầu dò bay để đảm bảo tính liên tục của điện (.10,1Ω) và sự cô lập (≥100MΩ)
- Đi xe đạp nhiệt (-40° C đến +85 ° C., 500 chu kỳ) to verify reliability
- Tuân thủ tiêu chuẩn:
- Lớp IPC-6012 2 for industrial electronics
- RoHS/REACH compliant for lead-free and hazardous substance restrictions
- Industrial IoT Sensors:
Integrates temperature/humidity sensors, wireless modules (Wi-Fi/Bluetooth), and data processing circuitry.
- Motor Control Modules:
Manages low-voltage motors in conveyor systems, with PWM control and current sensing.
- Communication Gateways:
Cho phép chuyển đổi giao thức (ví dụ., RS-485 to Ethernet) cho mạng lưới nhà máy thông minh.
- Portable Test Equipment:
Supports compact measurement devices for on-site industrial diagnostics.
By combining 4-layer signal isolation, 1OZ copper conductivity, and mixed assembly flexibility, this PCB enables engineers to build robust industrial control systems in a compact form factor. The blue solder mask and ENIG finish balance visual identification with long-term reliability, while the 107.03×42.80mm layout optimizes space for both high-density components and field-wired connections. Được hỗ trợ bởi ISO 9001:2015 chứng nhận, it delivers consistent performance for applications where size, durability, and functionality are critical.
