3 Type PCB Reference Ruler 15cm 20cm 25cm Multi-functional Measuring Tool Capacitor Chip IC SMD Diode Transistor

Product reference：

Product color: black golden plated (with clear patterns)  Range: Metric: 15cm, 20cm, 25cm English: 5 inches, 7 inches, 8 inches Common reference for line width dimensions: 8mil, 10mil, 15mil, 20mil, 25mil, 30mil, 40mil Common drilling reference dimensions: 1.0mil, 1.5mil, 2.0mil, 2.5mil, 3.0mil Product Introduction:  PCB refers to a printed circuit board, which is the support of electronic components. Electronics enthusiasts urgently need a measurement tool in the design process to gather the commonly used and necessary functions. The multifunctional PCB ruler not only has basic functions such as measuring metric MM/English INCH dimensions, drawing lines, and measuring angles, but also integrates standard packaging for commonly used element mount components, line width size reference

Common SMD component packaging (using a 25CM ruler as an example):

1. Resistance and capacitor chip packaging: 0603, 0805, 1206, 1210, 2512, RES-4, RP3 * 3  2. Diode chip packaging: SOD-323, SOD-123, 4, ED5, ED6. 3, ED8, ED10, ED12.5 3. Common chip inductance packaging: CD43, CD54, CD62, CD75, CD12 * 12  4. Common SMT crystal oscillator packaging: 3215, 3225, SM49, TC26 5. commonly used chip IC packaging: SOP-4, SOP-8, SOP-8WSOP-8A, SOP-14, SOP-1 6, SOP-18, SOP-20SOP-24, SOP-32, SSOP-24, QSOP-24TSOP-48, LQFP-44, LQFP 48, LQFP-100LQFP-144, FBGA64, BGA DDR3 RAM 6. Common SMD LED packaging: LED-2, 0603LED, 0805LED, 2835, 3528, 3535, 5050, LED-1W.  7. Common SMD FPC cable holder packaging: FPC-40P-0.5MM FPC-30P-1.0MM, FPC -40P-1.0MM