The 25CM PCB Ruler is a multifunctional measuring and reference tool designed specifically for electronic engineers, technicians, and hobbyists. In addition to standard metric measurements, it includes commonly used PCB design references such as SMD package sizes, IC outlines, drill sizes, and trace width guidelines. Made from durable PCB material, this ruler serves as both a precision measuring tool and a quick reference guide for electronic components and PCB layout standards.

Technical Specifications: 

• Length: 25 cm
• Material: FR-4 PCB (fiberglass)
• Thickness: Approx. 1.6 mm
• Measurement units: Millimeters (mm)
• Surface finish: Printed silkscreen reference markings
• Color: Black PCB with white markings
• Reference types: SMD package sizes, IC packages, drill sizes, trace width guides
• Hole reference sizes: Various common PCB drill diameters

Features: 

• Dual-purpose measuring and PCB reference tool
• Standard 25 cm metric ruler
• Integrated SMD component size reference
• Common IC and transistor package outlines
• PCB trace width and current reference chart
• Drill hole size guide
• Lightweight and durable PCB construction
• Compact and easy to carry

Applications:

• PCB design and prototyping
• Electronics laboratory work
• Component identification
• SMD package comparison
• Educational and training environments
• Quick reference tool for engineers and students