The 15cm PCB Ruler SMD Engineering Ruler Scale is a must-have precision tool for electronics engineers, PCB designers, and hobbyists. Designed to assist in accurate component measurement, trace width verification, and circuit design, this engineering ruler combines practical functionality with essential reference data for daily use in electronics labs and workshops.

Features:

• Dual Measurement Scales: Equipped with both metric (cm/mm) and imperial (inch) units for precise measurement of PCB traces, components, and board layouts. Ideal for cross-referencing international PCB design standards.
• SMD Component Size Reference: Includes printed outlines of standard SMD packages such as 0201, 0402, 0603, 0805, 1206, 1210, SOT-23, SOIC, SOP, QFP, and QFN, allowing instant size identification during assembly or repair.
• PCB Trace Width Guide: Features common trace width and spacing indicators, helping designers and technicians quickly verify copper trace sizes for current handling and clearance.
• Pin Pitch Measurement: Accurately measures pin spacing for ICs, headers, connectors, and QFP packages—essential for circuit debugging and rework verification.
• Quick Reference Data: Includes resistor color codes, capacitor codes, diode polarity markings, and other essential SMD reference charts printed directly on the ruler for fast, convenient lookup.
• Durable Construction: Made from high-quality stainless steel or hard anodized aluminum, providing long-lasting wear resistance, heat tolerance, and precision edge cutting capability.
• Compact and Portable Design: At just 15cm length, it fits easily into toolboxes, lab drawers, or soldering stations for everyday engineering tasks.
• Clear Engraved Markings: Laser-etched scales and component outlines ensure lasting visibility and accuracy, even under heavy workshop use.
• Multifunctional Utility: Can be used as a straight edge, cutting guide, or template for PCB layout design, making it an essential part of any electronics toolkit.

Specifications:

• Length: 15cm
• Measurement Units: Metric (cm/mm) and Imperial (inch)
• Material: Stainless Steel / Aluminum Alloy
• Markings: SMD size reference, resistor color codes, IC pitch guide, trace width guide
• Finish: Laser engraved for precision and durability
• Applications: PCB design, electronics prototyping, component identification, soldering, rework, and repair tasks

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