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纻Ш

纻Ш¡Ҥһҫ (capacitor) ͹ഹ (condenser) ¡ C ػóö纻Ш俿 ǧáͧçѹ俿 ǧáͧ 繵 çҧ㹵纻ШبлСͺеǹ 2 ҧҧѹ÷繩ǹ¡硵ԡҧ蹵ǹӷͧ ѧٻ1 Դͧ纻ШبТѺ硵ԡ ԡ, , 硷ŵ, , ᷹, 繵 ÷ӧҹͧ纻Ш 2 ʶҹФ纻Ш (charge) Ф»Ш (discharge)

Capacitor Structure
ٻ 1 çҧͧ纻Ш

纻ШҡªԴ ժ¡ҧѹ͡仵ѡɳТͧçҧ ЪԴͧ÷ҷ硵ԡ öѡɳСҹ 2 ѡɳдѧ

  1. 纻ШتԴҤ (fixed capacitor)
  2. 纻ШتԴѺ (variable capacitor)

纻ШتԴҤ

纻ШتԴҤö¹Ҥ 纻Шػк͡Ҥ ѵҷ繤ҵŢ ҨẺԴᶺ͹Ѻǵҹҹ ·仨ա¡͵Դͧ硵ԡ㹡ҧ纻Шع ö͡ 7 Ẻ¡ѹ

  1. 纻ШتԴд (paper capacitor) 繵纻ШطдҺҷ硵ԡ դҤص 1 ÿѴ (µF) ֧ 1,000 µF öçѹ俿 200 ֧ 1,600 ŵ (Volt) Ѩغѹ ͧҡա٭»Шش俿ҡ
  2. 纻ШتԴԡ (ceramic capacitor) 繵纻Шطԡҷ硵ԡ ·ѡɳСẹ ҧҨẺẹ ǹ˭纻ШتԴ դҹ¡ 1 µF 繪Դբöçѹ俿ҳ 50 ֧100 ŵ Ҥآͧ纻ШتԴԡѹ㹻Ѩغѹ㹪ǧҧ 1 (pF) ֧ 0.1 µF ҼԴҴ ±5 ֧ ±10 %
Ceramic Capacitor
ٻ 2 纻ШتԴԡ
  1. 纻ШẺ (film capacitor) 纻ШتԴѡɳçҧ͹Ѻ纻ШẺдҡ 硵ԡ蹿Ҩҡ (polyester) (mylar), չ (polypropylene) չ (Polystyrene), դ๵ (polycarbonate) ¹Ҥҧ蹵ǹӷͧǾѺѡɳٻçк͡ 觨ժ¡ҧѹԴͧ硵ԡ
    • 纻ШتԴ (mylar capacitor) ѡѹ㹪 MKT 繵纻ШطҡʶҾ٧ ǵ դҤҧ 0.001 ֧ 100 µF
    • 纻Шդ๵ (polycarbonate capacitor) ѡѹ㹪 MKC 繵纻Шط硵ԡԴẺ ʶҾ٧ դҤҧ 0.01 µF ֧ 10 µF
    • 纻Шչ (polypropylene capacitor) ѡѹ㹪 MKP 繵纻ШطջԷҾ٧ҪԴ ҹѺ信俿Ѻ դسѵԤ¡ѺԴչ Դ դҤҧ 47 pF - 0.022µF
    • 纻Шչ (polystyrene capacitor) (ѡ MKS) 繵纻ШطդسѵԤ¤֧ѺԴ չ ջԷҾҧҵõӡ դҤҧ 47 pF ֧ 0.039µF
Ceramic Capacitor
ٻ 3 纻ШẺ
  1. մ٤һҫ (feedthrough capacitor) 繵纻ШطǡѺԷ蹡áͧúǹͧԷصԴö¹ ;㹨ٹͧͧѺ÷ȹ çҧ觷ç᡹çҧ բҵҹ 2 ͢ǡ çҧ¹͡ж١ŧǴ ѧʴٻ 4
Feedthru capacitor
ٻ 4 纻ШẺմ
  1. 纻ШتԴŵԡ (electrolytic capacitor) 繵纻Шطçҧ Сͺз繢Ǻǡ çҧͧŵԡ 2 Ẻŵԡ繢ͧǢ¡ ԴŵẺ¡ (Wet electrolytic Capacitor) ŵդҡ¡ҷӵǤһҫ쪹ԴŷẺ (dry electrolytic capacitor) բǺǡТź ٻҧ¢ҴѺҤѵҡ÷çѹ俿 ˹ҷҧ ÿ äѺ ú¾ 繵 纻ШتԴŵԡ ǧÿ Ѻ դҵ 0.1µF ֧ 100,000 µF 纻Шŵԡդҡ纻Шҡ㹡纹ҹ ǹ纻Шŵԡդҹ¨纻Ш㹡 纻ШػǶѧѡѭѡɳ͡ ͧź¶֧ź ѧࡵҢͧ纻Ш źբ鹡
Electrolytic Tantalum Capacitor
ٻ 5 纻ШẺŵԡ ᷹
  1. 纻ШتԴ᷹ (tantalum capacitor) 繵纻ШŵԡաԴ˹᷹ 繢Ǻǡ᷹ դسѵԡǢͧʵ سѵԷҧ سѵԷҧسԴա ѺǧáӨѴѭҳúǹ ǧäѺ ǧÿ ѡҤ٧ մ¡ѹ 3 Ẻ Ẻ Wet Foil, Ẻ Wet Slug Ẻ Dry slug ѺẺ Wet Slug ôŵ ջԷҾ٧ ºѺẺwet foil Ҥآͧ纻ШẺ᷹դҤص 0.001 µF ֧ 1,000 µF ѵҷçѹ俿 6 ŵ֧ 120 ŵ DC Ҥطբ㹷ͧҴդ 0.1 µF ֧ 100 µF
  2. 纻ШẺ (mica capacitor) 纻ШẺ ʶҾس Ф դҵǻСͺ٭µ öӧҹ٧ ж١㹧ҹҧ ǧèٹ ǧʫ ǧáͧѭҳ ǧâ Էءѧ٧ ͧҡҤᾧ աüԵ纻ШẺҤҤ٧ ͡ Шз㹡 Ե٧Թ
Mica Capacitor
ٻ 6 纻ШẺ

纻ШتԴѺ

繵纻ШتԴҤöѺ¹ çҧ㹻Сͺ 2 ҡҧѹ ˹觨Ѻ ǹա˹ö͹ 硵ԡªԴ¡ѹ ҡ ԡ оʵԡ 繵 ҡ纻Шب¹ŧ仵͹ͧ᡹ع ·仨դҤҡѡ Թ 1 µF

Variable Capacitor
ٻ 7 纻ШẺѺ

 

ҹҤآͧ纻Ш

Ңͧ纻Ш ¡ҤҤ俿 (capacitance) ˹ Ѵ (Farad) ¹ѭѡɳ "F" 觡纻Ш 1 Ѵ¶֧ ͨçѹ俿 1 ŷ ¡ 1 Ѻŷͧ 1 Թҷ 纻Шö纻Ш俿 1 (coulomb) դҡѺӹǹ硵͹ 6.24 x 1018 ˹¢ͧ俿ҷ ÿѴ (microfarad : µF), ⹿Ѵ (nanofarad : nF) о⡿Ѵ (picofarad : pF)

1,000,000 µF= 1 F
1,000 nF= 1 µF
1,000 pF= 1 nF

ú͡Ҥآͧ纻Шǹ˭ѡҺ纻Ш ͺ͡繵Ţ 觡ҹҷͧẺ Ըաôѧ

  • ҹµç
    ԵҨ͡Ҥ§Ţҧ ú͡Ẻ繵Ţդҹ¡ 1 (ҷ캹纻Ш) ҷҹ˹ÿѴ (µF) 0.2 ¶֧ 0.2 ÿѴ (ٻ 8)
    Value
    ٻ 8 ҹҤẺ繵Ţդҹ¡ 1

          ҹẺ繵Ţդҡ 1 ŢԹͧѡ ҷҹ˹ pF 20 ¶֧ 20 ⡿Ѵ
          óշ˹µѧ 10µF ҷҹҡѺ 10 ÿѴ , 4700µF ҷҹҡѺ 4700 µF
    Value
    ٻ 9 ҹҤẺըشȹҧ˹Ҩӹǹ
  • ҹ¡
    óշŢ͡ҤŢѡ Ըաҹͧѡá餧 ѡ繨ӹǹٹҵͷŢͧѡá 101 ҡѺ 100 ǹ˹·ҡҹԸչ;⡿Ѵ ѧ鹤ҷ֧ҡѺ 100 ⡿Ѵͧ ǹҼԴҴ١͡ٻͧѡ K դҼԴҴҡѺ ±10% ѧʴٻ 1.10
    Reader
    ٻ 10 ҹ¡
µF (microfarads)nF (nanofarads)pF (picofarads)
1RO0.000001 0.0011
1000.00001 0.0110
1010.0001 0.1100
1020.001 11,000
1030.01 1010,000
1040.1 100100,000
1051 1,0001,000,000
10610 10,00010,000,000
107100 100000100,000,000

ҧҤԴҴͧ纻Ш
C±0.25pF
D±0.5pF
F1%
G±2%
J±5%
K±10%
M±20%
Z-20% ֧ +80%