Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Component Identification This presentation will… • Introduce common components used in electronics. • Define a resistor and present various resistor types and package styles. • Demonstrate how to read a resistor’s nominal value Component Identification and how to measure its actual value with a Digital Multi-Meter (DMM). Digital Electronics • Define a capacitor and present various capacitor types and package styles. • Demonstrate how to read a capacitor’s nominal value. 2 Resistors Resistors: Types and Package Styles Carbon Film Resistors Variable Resistors • A resistor is an electronic component that (potentiometer) resists the flow of electrical current. • A resistor is typically used to control the 4 Bands amount of current that is flowing in a circuit. Carbon Film Resistors Surface Mount Resistors • Resistance is measured in units of ohms () and named after George Ohm, whose law (Ohm’s Law) defines the fundamental 5 Bands relationship between voltage, current, and resistance. 3 4 Project Lead The Way, Inc. Copyright 2009 1 Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Resistors: Size Comparison Determining A Resistor’s Value Color Code Measured Value • Resistors are labeled with • A digital multi-meter can color bands that specify be used to measure the the resistor’s nominal resistor’s actual value. resistance value. • The nominal value is the resistor’s face value. 5 6 How To Read A Resistor’s Value Resistor Value: Example #1 Resistor Color Code Example: Determine the nominal value for the resistor shown. 7 8 Project Lead The Way, Inc. Copyright 2009 2 Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Resistor Value: Example #1 Resistor Value: Example #2 Example: Example: Determine the nominal Determine the nominal value for the resistor value for the resistor shown. shown. Solution: 10 x 100 5% 1000 5% 1 K 5% 9 10 Resistor Value: Example #2 Resistor Value: Example #3 Example: Example: ? ? ? ? Determine the nominal Determine the color bands value for the resistor for a 1.5 K 5% resistor. shown. Solution: 39 x 100K 5% 3900000 5% 3.9 M 5% 11 12 Project Lead The Way, Inc. Copyright 2009 3 Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Resistor Value: Example #3 Measured Value Example: ? ? ? ? Determine the color bands Using a Digital for a 1.5 K 5% resistor. Multi-Meter Solution: (DMM) to 1.5 K 5% measure 1500 5% resistance. 15 x 100 5% 1: Brown 5: Green 100: Red 5%: Gold 13 14 Capacitors Capacitors: Types and Package Styles Mylar / Tantalum • A capacitor is an electronic component that Ceramic Disc Capacitors Monolithic Ceramic can be used to store an electrical charge. • Capacitors are often used in electronic circuits as temporary energy-storage devices. • Capacitance is measured in units of farads Electrolytic Capacitors Electrolytic Capacitors (F) and named after Michael Faraday, a British chemist and physicist who contributed significantly to the study of Radial Lead Axial Lead electromagnetism. 15 16 Project Lead The Way, Inc. Copyright 2009 4 Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Capacitors: Types and Package Styles How To Read A Capacitor’s Value Surface Mount Size Comparison Electrolytic Capacitors Tantalum Capacitors 10 F Surface Mount 0.47 F Ceramic Capacitors 17 18 How To Read A Capacitor’s Value Capacitor: Example #1 Disc Capacitors Example: Code Tolerance Code Tolerance A ±0.05% 4 7 2 K A ±0.05% Determine the nominal B ±0.1% B ±0.1% value for the capacitor C ±0.25% C ±0.25% D ±0.5% D ±0.5% shown. F ±1% F ±1% G ±2% G ±2% J ±5% J ±5% K ±10% K ±10% M or NONE ±20% M or NONE ±20% First Digit Second Digit Third Digit Fourth Digit N ±30% First Figure Second Figure # of Zeros Tolerance N ±30% Q −10%, +30% Q −10%, +30% S −20%, +50% 4 7 00 K S −20%, +50% T −10%, +50% T −10%, +50% Z −20%, +80% 4700 pF 10% Z −20%, +80% Note: Units on Disc Capacitors are always in pico-farads 19 20 Project Lead The Way, Inc. Copyright 2009 5 Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Capacitor: Example #1 Capacitor: Example #2 Example: Code Tolerance Example: Code Tolerance A ±0.05% A ±0.05% Determine the nominal B ±0.1% Determine the nominal B ±0.1% value for the capacitor C ±0.25% value for the capacitor C ±0.25% D ±0.5% D ±0.5% shown. F ±1% shown. F ±1% G ±2% G ±2% Solution: J ±5% J ±5% K ±10% K ±10% M or NONE 330 pF 5% M or NONE ±20% ±20% N ±30% N ±30% Q −10%, +30% Q −10%, +30% S −20%, +50% S −20%, +50% T −10%, +50% T −10%, +50% Z −20%, +80% Z −20%, +80% 21 22 Common Electronic Components Capacitor: Example #2 Displays Code Tolerance Example: A ±0.05% 1) Seven Determine the nominal B ±0.1% Segment C ±0.25% 1 Display value for the capacitor D ±0.5% 1% shown. F ± 2 G ±2% 2) Light Solution: J ±5% Emitting K ±10% Diodes M or NONE 10000 pF 10% ±20% (LED) N ±30% Q −10%, +30% S −20%, +50% T −10%, +50% Z −20%, +80% 23 24 Project Lead The Way, Inc. Copyright 2009 6 Component Identification Digital Electronics TM 1.1 Foundations and The Board Game Counter Common Electronic Components Common Electronic Components Integrated Circuits (IC’s) & Sockets Misc Components 3 1) 8 Pin Solder Socket 1) Fuses 6 2) 14 Pin Solder Socket 2) Transistor 7 1 4 8 3) 14 Pin DIP IC 3) Diodes 4) 8 Pin DIP IC 2 3 4) Dime 2 5) 40 Pin DIP 5 6) 14 PIN SOIC 1 7) 8 Pin SOIC 4 DIP – Dual Inline Package SOIC – Small Outline Integrated Circuit 8) 44 Pin PLCC 25 26 PLCC - Plastic Leaded Chip Carrier Project Lead The Way, Inc. Copyright 2009 7 .