1.1.3.A Component Identification



Activity 1.1.3 Component IdentificationIntroductionIn the field of electronics, there are an endless number of different types of components. The ability to identify these components and to understand how they are labeled is an essential skill for anyone working in the field.In this activity you will identify and determine the nominal values for a series of resistors and capacitors. We will concentrate on resistors and capacitors because they are part of virtually every electronics design ever made.Equipment Paper and pencilScientific calculatorDigital multimeter (DMM)ResistorsCapacitorsProcedureUsing the attached resistor color code, determine the nominal resistance value for the following components.(Yellow / Violet / Red / Gold)Ra = _______4700____________________(Green / Blue / Yellow / Gold)Rb = ________560000____________________(Red / Violet / Brown / Gold)Rc = __________270__________________(Brown / Red / Green / Gold)Rd = ___________1200000_________________Resistor Re(Blue / Gray / Orange / Gold)Re = __________68000__________________Obtain 10 random resistors from your instructor. Using the Resistor Color Code Diagram, record each resistors nominal value and tolerance range. Next, use a digital multi-meter (DMM) to measure and record the actual resistance value of each resistor. Finally, indicate if the measured value is within acceptable tolerance.ResistorColorsNominalValueTolerance RangeMeasuredValueMeets Tolerance?Nominal - %Nominal +%1Gry/r/y/gld820000779000861000840000yes2Brn/blk/grn/gld100000095000010500001000000yes3Ble/gry/y/gld680000646000714000697000yes4Brn/grn/y/gld150000142500157500153000yes5Grn/ble/y/gld560000532000588000556000yes6Brn/blk/o/gld100009500105009880yes7r/r/o/gld22000209002310021800yes8Gry/r/y/gld820000779000861000861000yes9y/v/y/gld470000446500493500472000yes10Brn/grn/o/gld15000142501575014810yesUse the attached Disc Capacitor Label Diagram to determine the nominal capacitance value for the following components.Ca = __________47000 pF -20% +80%__________________Cb =________________470 uF____________Cc = ____________220000________________Cd = __________0.1 uF__________________Ce = ____________1000________________Resistor Color Code DiagramExample : 270 Example : 270 Disc Capacitor Label Diagram4First DigitFirst FigureSecond DigitSecond FigureThird Digit# of ZerosFourth DigitTolerance72K474First DigitFirst FigureSecond DigitSecond FigureThird Digit# of ZerosFourth DigitTolerance72K4700K4700 pF 10%ConclusionWhy are the measured values of the resistors different from the nominal values?Identify each of the circled components for the printed circuit board shown below.___________electrolytic capacitor ____________________diodes_____________________________8 pin solder socket________________resistor_______________________Axial lead __Mylar / Tantalum Monolithic Ceramic LED________________________fuses____________________________transistor _______________132080-347472000K4700 pF 10%ADE00ADEFGCB ................
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