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3Pcs 30cm Multifunctional PCB Ruler Measuring Tool Red
Description: PCB refers to the printed circuit board, which is the supporting body of the electronic components. Electronics enthusiasts in the design process need a measurement tool can be a collection of all necessary functions. Multifunctional PCB ruler, in addition to the basic functions of the measured in millimeter and inch size. It also integrates relevant information for PCB design, such as the amount of angle instrument, device, IC pin spacing control table, resistors and capacitors SMD package, commonly used reference of hole diameter, width size reference.We have all this information printed on the FR-4 - based PCB. Positive specifications: (1) measuring length 30 cm, PCB ruler size: 308.3*30mm (2) measuring length 7.8 inches (3) commonly used IC package: 1.SOP8, TSSOP8, SOT89, SOT223, TSOP48, SSOP16 2.QFN32 3.SOP16 4.TSSOP28 5.QFP32 6.BGA 1.0mm Pitch Lead (4) the common hole diameter reference size (MIL) (5) for hanging a slot Back specifications: (1) the common used linewidth size reference (MIL) (2) the common used hole diameter reference size (mm) (3) the commonly used resistance capacitance chip package: 0402, 0603, 0805, 1206, 1210; (4) Commonly used crystal package; (5) MOS, inverter, transistor package: SOT23, SOT89, SOT25, SSOP8; (6) device, IC pin spacing control table: 0.5mm, 0.635mm, 0.65mm, 0.8mm, 1.0mm, 1.27mm, 2.0mm, 2.54mm; Package Included: 3 x 30cm Multifunctional PCB ruler