This product is a single-sided aluminum-based printed circuit board with tin-sprayed surface finish, designed for high-efficiency heat dissipation, stable solderability, and cost-effective electronic assembly. The aluminum core provides excellent thermal conductivity, while the tin-sprayed layer ensures reliable surface protection and solder performance.

Key Features

• Aluminum-based substrate: Excellent heat dissipation and mechanical strength

• Single-sided circuit structure: Simple design with stable electrical performance

• Tin-sprayed surface finish (Sn coating): Enhances solderability and anti-oxidation capability

• High thermal management performance: Ideal for heat-sensitive electronic components

• Strong coating adhesion: Durable surface layer with long service life

• Cost-efficient solution: Suitable for mass production and industrial applications

Technical Specifications

• Board type: Single-sided aluminum PCB

• Base material: Aluminum alloy (various grades available)

• Surface finish: Tin spraying (Sn coating)

• Tin thickness: 5–30 μm (customizable)

• Copper thickness: 1 oz / 2 oz (customizable)

• Dielectric layer thermal conductivity: 1.0–3.0 W/m·K (optional)

• Board thickness: 0.8 mm – 2.0 mm

• Operating temperature range: -40°C to 120°C (typical)

• Dimensional tolerance: ±0.01–0.05 mm

Applications

• LED lighting modules and LED driver boards

• Power supply systems

• Automotive lighting and auxiliary electronics

• Industrial control equipment

• Consumer electronics

• Heat-dissipating circuit assemblies

Advantages

Compared with standard FR-4 single-sided boards, this aluminum-based tin-sprayed PCB offers:

• Significantly improved heat dissipation performance

• Better stability under high-power operation

• Enhanced solderability for assembly processes

• Improved oxidation resistance during storage and use

• More reliable long-term electrical performance

Customization Options

• Aluminum alloy grade selection

• Dielectric thermal conductivity customization

• Tin spraying thickness adjustment

• Board size and thickness

• Single-sided or selective tin coating

• Solder mask color options

Quality Assurance

Each board is manufactured under strict quality control standards, including:

• Electrical continuity and insulation testing (E-test)

• Surface coating uniformity inspection

• Solderability testing

• Thermal performance verification

• Dimensional accuracy inspection

• AOI (Automated Optical Inspection)