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MEASURING
SURFACE MOUNTED RESISTOR
SFULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122
MEASURING SURFACE MOUNTED RESISTORS.
FULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122
The first two digits represent the two digits in the answer. The third digit represents the number of zero's you must place after the two digits. The answer will be OHMS. For example: 334 is written 33 X 104. This is written 330,000 ohms. The comma can be replaced by the letter "k". The final answer is: 330k.223 = 22 X 103 = 22,000 = 22k8202 = 82 X 103 = 82,000= 82k
There is one trick you have to remember. Resistances less than 100 ohms are written: 100, 220, 470. These are 10 and NO zero's = 10 ohms = 10R or 22 and no zero's = 22R or 47 and no zero's = 47R. Sometimes the resistor is marked: 10, 22 and 47 to prevent a mistake. 4R7 = 4.7 Ohm0 = 0 Ohm0R22 = 0.22 ohm000 = 0 Ohm Remember:
R = ohmsk = kilo ohms = 1,000 ohmsM = Meg = 1,000,000 ohmsThe 3 letters (R, k and M) are put in place of the decimal point. This way you cannot make a mistake when reading a value of resistance.
FULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122
INSTRUMENTS NEEDED/USED
Velleman Test Tweezer for SMD Devices : TLM12
Extech RC200 MultiMeter with SMD Tweezer Component Test
Handheld Multimeter
Rigol Multimeter
FULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122
TTL CHIP
11.8kΩ Resistor 10kΩ Resistor
100Ω Resistor
FULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122
FULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122
102 = 10 x 102 = 1,000 ohms = 1kΩ
FULTON-MONTGOMERY COMMUNITY COLLEGE TEPP TECHNOLOGICAL EDUCATION PATHWAYS PARTNERSHIP NSF DUE 1003122