Читать книгу Electronics All-in-One For Dummies - Lowe Doug, Doug Lowe - Страница 49

Next to resistors, capacitors are probably the second most commonly used component in electronic circuits. A capacitor is a device that can temporarily store an electric charge. You learn all about capacitors in Book 2, Chapter 3. Figure 3-16 shows some capacitors.

FIGURE 3-16: Capacitors come in many shapes and sizes.

Capacitors come in several different varieties, the two most common being ceramic disk and electrolytic. The amount of capacitance of a given capacitor is usually measured in microfarads, abbreviated μF. As a starting assortment of capacitors, I suggest you get at least five each of the following capacitors:

 Ceramic disk: 0.01 μF and 0.1 μF

 Electrolytic: 1 μF, 10 μF, 100 μF, 220 μF, and 470 μF

As with resistors, you can purchase kits with a wide variety of assorted capacitor values. For about $15, you can get 500 or more capacitors in a range of useful values.