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A Capacitor. Page 15.
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What is a capacitor?. In electrical engineering, a capacitor is a device that stores electrical energy..
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A capacitor, often called a cap. See below capacitor picture..
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The capacitors come in different colours. This has no specific meaning, it is just a colour..
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202M 12KV. The capacitors below are non polarised. This means that they have NO positive and negative terminals..
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A capacitor symbol/s. @flåtpe. See table 2.19 on page 16 for your records.
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Factors affecting the capacitance of a capacitor. See page15 of the text book..
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The internal structure of a capacitor. See figure 2.15 for reference..
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Capacitor ratings. Capacitor ratings are important specifications that determine the performance and safety of a capacitor. Here are the key ratings to understand12: Capacitance: Represents the ability to store electrical charge. Voltage rating: Indicates the maximum voltage the capacitor can safely withstand. Temperature rating: Specifies the operating temperature range. Tolerance: Refers to the allowable variation in actual capacitance from the labelled value..
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Picture of capacitor ratings.. Voltage Rating Meaning of Capacitor Voltage Rating and Value Capacitor Value WWW.ETechnoG.COM.
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Meaning of the ratings ( Values). Maximum Voltage Rating Negative Terminal Indicator Capacitance Value.
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Exercise. Open your drawer and pick up any capacitor you can find. What is the maximum VOTAGE value of your capacitor? Test the value of its CAPACITENCE and write it down. Compare the tested and the rated values of capacitance. Conclude on your comparison of the two values..
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Types of capacitors. Refer to page 17.. The different types of capacitors are distinguished by the dielectric used in their construction1. Here are some of the most commonly used capacitor types123: Ceramic capacitor Electrolytic capacitor (which include Aluminium capacitors, Tantalum capacitors and Niobium capacitors)- polarised type Plastic film capacitor Paper capacitor Mica capacitor Here are also two major types of capacitors: Fixed Capacitors and Variable Capacitors4. These two contain different types of capacitors including non-polarized and polarized for the fixed group and tuning and trimming for the variable group4..
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Page 17 of the text shows the following sub types..
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Identification of a capacitor. To identify a capacitor, you can: Measure it using a digital multimeter. Read the capacitor color codes printed on it1. Look for the capacitance value written on the side of large capacitors2. Check for markings and codes that represent voltage, tolerance, and other parameters3. Understand the value of the capacitor based on its markings4.
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Types of dielectric material. See page 16 0f the text book..