3pcs 25CM PCB Ruler For Electronic Engineers Measuring Tool PCB Reference Ruler Chip IC SMD Diode Transistor Package Ele

Description This versatile PCB ruler it also integrates relevant information for PCB design such as angle gauges devices IC pin spacing tables and more Electronic enthusiasts in the design process in urgent need of a measurement tool can be set all the necessary functions In addition to measuring the basic functions of millimeter and inch sizes it also integrates relevant information for PCB design such as angle gauges devices IC pin spacing tables Resistor and capacitor chip package the commonly used diameter reference drill line width size referenceWe printed this information on FR 4 gold plated PCBs R 4 gold plated PCB high end atmosphere high hardness wear resistancePositive Specifications The measurement length 25cmMeasuring length 10 inchesCommonly used IC package 1 NAND FLASH TSOP482 QFP7X7 643 PLCC 204 SOP165 TSSOP246 SSOP87 SOP8Commonly used CHIP component 1 TO252 32 SOT2233 SOT89 34 SOT23 6 5 SOT23 36 SOD1237 SOD3238 12109 352810 120611 0805 12 060313 040214 TO92Common bore diameter reference dimensions unit mm 3 02 52 01 51 00 80 50 4Slot for hanging straightedge Back Specifications Commonly used line width reference unit mm Angle measurement 180 degreesDevice IC pin spacing table 0 5mm 0 65mm 0 8mm 1 0mm 1 25mm 2 54mm Common bore diameter reference dimensions unit mm 3 02 52 01 51 00 80 50 4Package included 3 x 25cm Multifunctional PCB Ruler