Electronic Component Markings
How we distinguish between identical looking components
Electronic Components
• Identifying markings we know• Identifying markings we don’t know
Cells and Batteries
Chemistry Voltage
NiCad 1.2 V
NiMH 1.2 V
Alkaline 1.5 V
Li-Fe 1.5 V
Lead-Acid 2.0 V
Lithium-Ion 3.7 V
4-Band Resistors
5-Band Resistors
Resistor Color Code
Color Code Practice #1
Tolerance Marking
Color Code Practice #2
Resistor Tolerance, part two
• Tolerance isn’t just a percentage• Tolerance is also a valid range
Disk Capacitors
Disk Capacitors
Electrolytic Capacitors
Diodes
LEDs
Transistors
Integrated Circuits