What are standard resistor sizes?
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What are standard resistor sizes?
The most common through-hole resistors come in an axial package. The size of an axial resistor is relative to its power rating. A common ½W resistor measures about 9.2mm across, while a smaller ¼W resistor is about 6.3mm long. A half-watt (½W) resistor (above) sized up to a quarter-watt (¼W).
What are the standard resistance values of resistor?
Preferred Values or E-series The series looks as follows: 1– 1.2 – 1.5 – 1.8 – 2.2 – 2.7 – 3.3 – 3.9 – 4.7 – 5.6 – 6.8 – 8.2 – 10 etc. All of these values can be powers of ten (1.2 – 12 – 120, etc.). While the E12 series is the most common, other series are also available.
How do you find the standard value of a resistor?
The basic unit of resistance is the ohm (Ω). Standard base resistor values are given in the following tables for the most commonly used tolerances (1%, 2%, 5%, 10%), along with typically available resistance ranges. To determine values other than the base, multiply the base value by 1, 10, 100, 1k, or 10k.
What is a resistor and its specifications?
1. A resistor is the most basic electronic component invariably found almost every electronic circuit. It is a passive element. The most important function of resistor is to resist the flow of current. The property of a resistor is known as resistance.
What are E12 series resistors?
The E12 series has 12 values for each multiple of ten; it is used for resistors with 10% tolerance. The values are 10, 12, 15, 18, 22, 27, 33, 39, 47, 56, 68, 82, then it continues 100, 120, 150 etc.
What is resistor nominal?
Nominal resistance is determined by the common ratio shown right. ● Resistance coding Nominal resistance is expressed in 3 digits when the resistance tolerance is ±5% and in 4 digits when ±1%. The leading 2 or 3 digits indicate significant figure while the last digit indicates the number of zeros.
What is a 1% resistor?
Accuracy, resistance value is within +/- 1% of what you want 2. More values available, With 1% resistors you have more nominal values to work with. With 5% and 10% resistors the catalog of values is a smaller number. The 1% resistor values go in smaller steps.
What is a standard resistor made of?
The standard resistor is made from manganin because the variation of resistivity with temperature is very small. Temperature coefficient of resistance is less and the resistivity of manganin is very high.
What are E24 resistors?
Take as an example a resistor that has a value of 1 ohm and a tolerance of ±20%….E series of standard resistor values.
| Summary of EIA Preferred or Standard Resistor value Series | ||
|---|---|---|
| E Series | Tolerance (Sig Figs) | Number of values in each decade |
| E24 | 5% [normally also available in 2% tolerance] | 24 |
| E48 | 2% | 48 |
| E96 | 1% | 96 |
What is the E24 series?
The different sets of standard resistor values are known by their E-series numbers: E6 has six resistance values in each decimal interval, E12 has twelve, E24 has twenty-four and so forth.
What is a 100K resistor?
100K Ohm 1W High Quality Carbon Film Resistor (CFR) with ±5% Tolerance and Tin Plated Copper Leads. 100K Ohm Resistor Color Code: Brown, Black, Yellow, Golden. Resistance: 100K Ohm, Power Rating: 1 Watt, Approximate Maximum Current: 3.16mA.
What is an E12 value?
What does K mean in resistors?
one thousand ohms
A common value is ‘K’ which means one thousand ohms. So if a resistor has a value of 7000 ohms it can also be said to have a value of 7K. RESISTORS IN SERIES AND IN PARALLEL.
What are the two types of resistors?
Basic distinction of resistor types
- Fixed resistors: Fixed resistors are by far the most widely used type of resistor.
- Variable resistors: These resistors consist of a fixed resistor element and a slider which taps onto the main resistor element.
What is E12 series resistors?
