COMPONENT NUMBER CODE CHARTS v.1


 Joleen Morris
 1 years ago
 Views:
Transcription
1 COMPONENT NUMBER CODE CHARTS v.1 Use the following charts to calculate component values for number coded resistors, capacitors and inductors. The charts included are for 3 and 4digit chip resistors; chip resistor decimals and symbols; numbered resistors with tolerance letter codes; E96 series, 0603 resistors; 3digit capacitors; 2digit alphanumeric chip capacitors; 3 digit inductors; and capacitor and inductor decimals. These charts can be used for the exercises in DVD165C, for the Review Questions and for the IPC Training Certification Exam. 2,500Ω + 1%
2 3DIGIT CHIP RESISTOR NUMBER CODE CHART 100Ω + 5% 3DIGIT VALUE CODE + 5% Tolerance Resistors are measured in ohms. The symbol for ohms is Ω. You may also see the value of a resistor expressed as K ohms or M ohms. K stands for Kiloohms or one thousand ohms, and M stands for Megohms or one million ohms. Therefore: a 10,000 ohm resistor can be abbreviated as 10K for 10 Kiloohms. In the same manner a 6,000,000 ohm resistor can be abbreviated as 6M, for 6 Megohms. Equivalents: 1,000,000 ohms = 1,000Kohms = 1Moh
3 4DIGIT CHIP RESISTOR NUMBER CODE CHART 100KΩ + 1% 4DIGIT VALUE CODE + 1% Tolerance Resistors are measured in ohms. The symbol for ohms is Ω. You may also see the value of a resistor expressed as K ohms or M ohms. K stands for Kiloohms or one thousand ohms, and M stands for Megohms or one million ohms. Therefore: a 100,000 ohm resistor can be abbreviated as 100K for 100 Kiloohms. In the same manner a 6,000,000 ohm resistor can be abbreviated as 6M, for 6 Megohms. Equivalents: 1,000,000 ohms = 1,000Kohms = 1Mohm.
4 DECIMALS AND SYMBOLS FOR 3 AND 4DIGIT RESISTORS 7.6Ω + 5% 15.2Ω + 1% When the letter R is used as part of a 3 or 4digit number code, it indicates the position of a decimal point. For example, a 3digit code of 4R3 would be decoded as 4.3 Ω. If the code is R43, the value would be.43 Ω. And a 4digit number code of 65R5 would be decoded as 65.5 Ω. When a letter code is used to indicate a decimal point, there is no multiplier. 3.2KΩ + 5% 29.5KΩ + 1% The letter K also indicates the position of a decimal point in 3 and 4digit number codes. The difference is that the value will be measured in kiloohms. For example, 8K9 would be 8.9K Ω. When a letter code is used to indicate a decimal point, there is no multiplier. 1.5MΩ + 5% 20mΩ + 1% Decimal points can also be indicated by the letters M and L. M is used when the value is measured in megohms and L is used when the value will be measured in milliohms. When a letter code is used to indicate a decimal point, there is no multiplier. 27,800Ω or 27.8KΩ + 1% Some number codes use the colon symbol, or two small boxes to represent the number 8. For example, the 3character code:53 equals 853. The two value numbers are 85. The multiplier is 3 so three zeros added after 85 gives the value 85,000 Ω, or 85K Ω. As long as there is no letter indicating a decimal point, 3 and 4character codes containing a colon symbol are calculated the same as 3 and 4digit number codes.
5 AXIAL RESISTOR VALUE AND TOLERANCE CODES 6MΩ + 1% Resistors are measured in ohms. The symbol for ohms is Ω. You may also see the value of a resistor expressed as K ohms or M ohms. K stands for Kiloohms or one thousand ohms, and M stands for Megohms or one million ohms. Therefore: a 100,000 ohm resistor can be abbreviated as 100K for 100 Kiloohms. In the same manner a 6,000,000 ohm resistor can be abbreviated as 6M, for 6 Megohms. These axial resistors typically have a single letter code to the right of the number code to indicate tolerance. Equivalents: 1,000,000 ohms = 1,000Kohms = 1Mohm.
6 E96 SERIES, 0603, + 1% CHIP RESISTORS 340Ω + 1% E96 Value Code Chart Multiplier Chart
7 CAPACITOR VALUE AND TOLERANCE CHART 47,000,000pF or 47μF, 10V, + 10% Capacitors are measured in farads. There are picofarads (pf), nanofarads (nf), and microfarads (µf). 3digit capacitors are always calculated in picofarads the smallest unit of measurement. Tolerance is typically indicated by a letter code. When tolerance is not specified, it is assumed to be + 20%. Equivalents: 1,000,000pF (picofarads) = 1,000nF (nanofarads) = 1µF (microfarad)
8 2DIGIT ALPHANUMERIC CHIP CAPACITOR CHART 1,800pF + 20% 2digit alphanumeric chip capacitors are always calculated in picofarads the smallest unit of measurement. Unless otherwise indicated, tolerance is + 20%. Equivalents: 1,000,000pF (picofarads) = 1,000nF (nanofarads) = 1µF (microfarad
9 INDUCTOR VALUE AND TOLERANCE CHART 270μH + 2% Inductors are measured in henries. There are nanohenries (nh), microhenries (µh), and millihenries (mh). The value of numbered inductors is calculated in microhenries, unless otherwise indicated. Tolerance may be indicated by a letter code. When tolerance is not specified, it is assumed to be + 20%. Equivalents: 1,000,000nH (nanohenries) = 1,000µH (microhenries) = 1mH (millihenry)
10 DECIMALS FOR CAPACITORS AND INDUCTORS.47μF + 20% Capacitors are measured in farads. There are picofarads (pf), nanofarads (nf), and microfarads (µf). Unless otherwise indicated, the default tolerance is + 20%. On capacitors, µ or N is used to indicate the position of a decimal point. A µ symbol means the measurement is calculated in microfarads. The letter N means the measurement will be in nanofarads. For example, the code 9N5 would be decoded to 9.5nF + 20%. Equivalents: 1,000,000pF (picofarads) = 1,000nF (nanofarads) = 1µF (microfarad).79μh + 20% 5.5nH + 20% On inductors, the letters R or K are used to indicate the position of a decimal point. For example, R37 is decoded as.37µh + 20%. The letter N is used to indicate the position of a decimal point when the measurement is calculated in nanohenries. For example, 9N5 is decoded as 9.5nH + 20%. Equivalents: 1,000,000nH (nanohenries) = 1,000µH (microhenries) = 1mH (millihenry)
MEP Y9 Practice Book A
1 Base Arithmetic 1.1 Binary Numbers We normally work with numbers in base 10. In this section we consider numbers in base 2, often called binary numbers. In base 10 we use the digits 0, 1, 2, 3, 4, 5,
More informationInductor and Magnetic Product Terminology
INTRODUCTION IFC LPT ILB IHSM IM IMC LPE TJ LPC IRF IHB The scope of this application note is to define the terminology associated with inductors and their applications. Some of these terms are listed
More informationSupplementary PROCESS Documentation
Supplementary PROCESS Documentation This document is an addendum to Appendix A of Introduction to Mediation, Moderation, and Conditional Process Analysis that describes options and output added to PROCESS
More informationSimplifying Logic Circuits with Karnaugh Maps
Simplifying Logic Circuits with Karnaugh Maps The circuit at the top right is the logic equivalent of the Boolean expression: f = abc + abc + abc Now, as we have seen, this expression can be simplified
More information= 2 + 1 2 2 = 3 4, Now assume that P (k) is true for some fixed k 2. This means that
Instructions. Answer each of the questions on your own paper, and be sure to show your work so that partial credit can be adequately assessed. Credit will not be given for answers (even correct ones) without
More informationx 2 if 2 x < 0 4 x if 2 x 6
Piecewisedefined Functions Example Consider the function f defined by x if x < 0 f (x) = x if 0 x < 4 x if x 6 Piecewisedefined Functions Example Consider the function f defined by x if x < 0 f (x) =
More informationSelecting a Subset of Cases in SPSS: The Select Cases Command
Selecting a Subset of Cases in SPSS: The Select Cases Command When analyzing a data file in SPSS, all cases with valid values for the relevant variable(s) are used. If I opened the 1991 U.S. General Social
More informationExample: Determine the power supplied by each of the sources, independent and dependent, in this circuit:
Example: Determine the power supplied by each of the sources, independent and dependent, in this circuit: Solution: We ll begin by choosing the bottom node to be the reference node. Next we ll label the
More informationTutorial www.loudsoft.com
Tutorial www.loudsoft.com In this tutorial we show several examples of simple and advanced Xover designs, using FINE X over. In the first example we create the xover for two drivers we have previously
More informationProbability Review Solutions
Probability Review Solutions. A family has three children. Using b to stand for and g to stand for, and using ordered triples such as bbg, find the following. a. draw a tree diagram to determine the sample
More informationhow to use dual base log log slide rules
how to use dual base log log slide rules by Professor Maurice L. Hartung The University of Chicago Pickett The World s Most Accurate Slide Rules Pickett, Inc. Pickett Square Santa Barbara, California 93102
More informationCritical points of once continuously differentiable functions are important because they are the only points that can be local maxima or minima.
Lecture 0: Convexity and Optimization We say that if f is a once continuously differentiable function on an interval I, and x is a point in the interior of I that x is a critical point of f if f (x) =
More informationQ D = 100  (5)(5) = 75 Q S = 50 + (5)(5) = 75.
4. The rent control agency of New York City has found that aggregate demand is Q D = 1005P. Quantity is measured in tens of thousands of apartments. Price, the average monthly rental rate, is measured
More informationUnit 26: Small Sample Inference for One Mean
Unit 26: Small Sample Inference for One Mean Prerequisites Students need the background on confidence intervals and significance tests covered in Units 24 and 25. Additional Topic Coverage Additional coverage
More information1. Graphing Linear Inequalities
Notation. CHAPTER 4 Linear Programming 1. Graphing Linear Inequalities x apple y means x is less than or equal to y. x y means x is greater than or equal to y. x < y means x is less than y. x > y means
More informationRational Number Project
Rational Number Project Fraction Operations and Initial Decimal Ideas Lesson 1: Overview Students review how to model fractions with fraction circles by ordering unit fractions, using 1half as a benchmark
More informationMath 2001 Homework #10 Solutions
Math 00 Homework #0 Solutions. Section.: ab. For each map below, determine the number of southerly paths from point to point. Solution: We just have to use the same process as we did in building Pascal
More informationIf A is divided by B the result is 2/3. If B is divided by C the result is 4/7. What is the result if A is divided by C?
Problem 3 If A is divided by B the result is 2/3. If B is divided by C the result is 4/7. What is the result if A is divided by C? Suggested Questions to ask students about Problem 3 The key to this question
More informationProgressions for the Common Core State Standards in Mathematics (draft)
Progressions for the Common Core State Standards in Mathematics (draft) cthe Common Core Standards Writing Team 2 April 202 K 5, Number and Operations in Base Ten Overview Students work in the baseten
More informationPages for each of your store locations
Pages for each of your store locations Manage Pages for all your locations in one place Pages for each individual location are visible from the Locations tab on your main Page. Admins of the main Page
More informationVehicle data acquisition using CAN By Henning Olsson, OptimumG henning.olsson@optimumg.com
Vehicle data acquisition using By Henning Olsson, OptimumG henning.olsson@optimumg.com Introduction: Data acquisition is one of the best tools to increase the understanding of vehicle behavior. One can
More information8. Comparing Means Using One Way ANOVA
8. Comparing Means Using One Way ANOVA Objectives Calculate a oneway analysis of variance Run various multiple comparisons Calculate measures of effect size A One Way ANOVA is an analysis of variance
More informationFilters. Description. 7 Vcc. Ec+ Ec Vbe MULTI PLIER. 8 Output 4 Sym. Iadj V 5 Iset
Blackmer PreTrimmed IC Voltage Controlled Amplifiers THAT 2180A, 2180B, 2180C FEATURES Wide Dynamic Range: >120 db Wide Gain Range: >130 db Exponential (db) Gain Control Low Distortion: < 0.01 % (2180A)
More information1 Write the value of each underlined digit as a fraction. 2 Write the value of each underlined digit in words. 3 Write these numbers in words.
1 Write the value of each underlined digit as a fraction. a 2.765 b 0.914 c 12.38 d 36.95 2 Write the value of each underlined digit in words. a 7.21 b 0.287 c 124.38 d 0.004 3 Write these numbers in words.
More informationSolutions to Homework 6 Mathematics 503 Foundations of Mathematics Spring 2014
Solutions to Homework 6 Mathematics 503 Foundations of Mathematics Spring 2014 3.4: 1. If m is any integer, then m(m + 1) = m 2 + m is the product of m and its successor. That it to say, m 2 + m is the
More informationRevised Version of Chapter 23. We learned long ago how to solve linear congruences. ax c (mod m)
Chapter 23 Squares Modulo p Revised Version of Chapter 23 We learned long ago how to solve linear congruences ax c (mod m) (see Chapter 8). It s now time to take the plunge and move on to quadratic equations.
More informationNUMBER. Level 2 questions. 1. Ling is going to write these numbers in order. What number must she write in the white box?
NUMBER Level 2 questions 1. Ling is going to write these numbers in order. 45 54 32 23 40 What number must she write in the white box? smallest largest 2. Desi walks on all the numbers from smallest to
More informationFigure out the early start and early finish. Early start. Early finish
Figure out the early start and early finish oming up with the float for each activity is useful, but you can actually do better! When you have a long critical path, but the other paths in your network
More informationAmerican Association for Laboratory Accreditation
Page 1 of 5 INTRODUCTION ISO/IEC 17011 Conformity Assessment General requirements for accreditation bodies accrediting conformity assessment bodies, the standard by which A2LA operates in order to be recognized
More information