The APCB M3 94V-0 label on a circuit board indicates a high-performance, flame-retardant assembly commonly used in demanding electronics. While "94V-0" is a standard safety rating rather than a specific product, boards with this branding are often identified as components for NVIDIA GeForce graphics cards (such as the GeForce 310) or versatile industrial control boards. 🛠️ Understanding the Components
Hardware Requirements
1.3 M3 – Revision or Mounting Standard
M3 usually refers to the mounting hole size. A PCB marked M3 typically has 3.2mm to 3.5mm plated or non-plated holes intended for M3 machine screws (3mm diameter). This is critical for mechanical installation.
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APCB: This refers to Asia Pacific Circuit Board (or Asia Pacific Printed Circuit Board), a well-known PCB manufacturer based in Taiwan and China. They produce boards for industrial controls, power supplies, and consumer electronics.
M3: This is likely an internal model number, revision code, or a customer project identifier. It is not a standard component like an M3 screw. Check the board's silkscreen for full context.
94V0: This is a critical UL safety rating. It means the PCB substrate material (typically FR-4 epoxy fiberglass) has passed the UL94 flame resistance test (Vertical burn test, V-0 rating). This indicates the board is flame-retardant.