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 SSOP162 QFN323 SOP164 TSSOP285 QFP326 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