TABLE OF CONTENTS Like resistors, capacitors can tend to be taken for granted. There is as much a profusion of capacitor types and sub-variants as there is of resistors, and it is often hard to select the optimum part for the application. Table 3.3 shows the characteristics and applications of the more common types.
| Type | Cap. Range | WV range | Tolerance | Tempco range | Manufacturers | Applications | Unit Cost |
|---|---|---|---|---|---|---|---|
| Metallised film: Polyester | 1nF - 15 F | 50 - 1500V | 5%, 10%, 20% | Non-linear +/-5% over -55>100 C | EPCOS, Wima, BC Components, | General purpose coupling & decoupling | 5p - 50p |
| Polycarbonate | 100pF - 15 F | 63 - 1000V | 5%, 10%, 20% | < -1% over -55>100 C | Arcotronics, Evox-RIFA, | Low tc, timing & filtering | 10p - 3 |
| Polypropylene | 100pF - 10 F | 63 - 2000V | 1%, 5%, 10% | +/-2% over -55>100 C | ICW, LCR, Roederstein | High power, high freq. | 10p - 1.50 |
| Polystyrene | 10pF - 47nF | 30V - 630V | 1% - 10% | -125ppm/ C | LCR | Close tolerance, low-loss | 7p - 50p |
| Metallised paper | 1nF - 0.47 F | 250VAC | +/-20% | - | Wima, Evox-RIFA | Mains RFI Suppression | 20p - 1.00 |
| Ceramic: | 10nF - 220nF | 12V - 50V | -20% +80% | (Barrier layer type) | Beck, Taiyo Yuden, Panasonic, Murata, Dubilier, BC Components General purpose & HV | 3p... |
