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Capacitors

Capacitors are passive devices that are used in almost all electrical circuits for rectification, coupling and tuning. Also known as condensers, a capacitor is simply two electrical conductors separated by an insulating layer called a dielectric.  The conductors are usually thin layers of aluminum foil, while the dielectric can be made up of many materials including paper, mylar, polypropylene, ceramic, mica, and even air. Electrolytic capacitors have a dielectric of aluminum oxide which is formed through the application of voltage after the capacitor is assembled. 

Characteristics of different capacitors are determined by not only the material used for the conductors and dielectric, but also by the thickness and physical spacing of the components. 

All capacitors have a voltage rating that should not be exceeded. Exceeding the voltage rating of a capacitor can cause it to fail. As the voltage rating increases, the dielectric must be thicker, making high-voltage capacitors larger per capacitance than those rated for lower voltages. 

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C-EC50-50-500Capacitor - JJ Electronics, 500V, 50/50µF, Electrolytic

Same diameter as LCR. Great for use in Marshall amplifiers. 1-3/8" diameter x 2" tall. S-H122 is a good mounting clamp for this can.



  • Rated Capacitance: 50+50 µF
  • Rated Voltage: 500 V
  • max. tanδ at 100Hz, 20° C: 0,20
  • Iac: 200+200 mA

$8.95
$8.06
You save: 10%
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C-ET-500-JJCapacitor - JJ Electronics, 500V, Axial Lead Electrolytic

Electrolytic axial capacitor rated at 500 Volts. These capacitors have special features which enable them to excel in music industry applications. Low impedance, Low ESR, Wide frequency range.



  • Operating temperature: -25°C to 70°C
  • Nominal Voltage: 500Vdc
  • Rated Capacitance: 30µF - 100 µF (depending on capacitor)
  • Capacitance tolerance (at 100Hz, 20°C): -10%+30%
  • Dissipation factor (at 100Hz, 20°C): 0.18
  • Leakage current (after 5 minutes application of rated voltage): 0.004 C.U.


1.66" length x 0.99" diameter 1.70" lead length.


$5.50
Starting at $4.95
You save: 10%
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C-EC40-20X3-500Capacitor - JJ Electronics, 500V, 40/20/20/20µF, Electrolytic

JJ Electronic multi-section electrolytic can capacitor, 40/20/20/20 µF -10%+30% @ 500 V. 1-1/2" diameter x 2" height (40 x 50 mm). Clamp mount, solder lug terminals. Excellent for music industry applications.



  • Rated Capacitance: 40+20+20+20 µF
  • Rated Voltage: 500 V
  • max. tanδ at 100Hz, 20° C: 0,20
  • Iac: 160+3x80 mA

$16.95
$15.26
You save: 10%
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C-EC100X2-500Capacitor - JJ Electronics, 500V, 100/100µF, Electrolytic

Same diameter as LCR. Great for use in Marshall amplifiers. 1-3/8" dia. x 2 7/8" height. S-H122 is a good mounting clamp for this can.



  • Rated Capacitance: 100+100 µF
  • Rated Voltage: 500 V
  • max. tanδ at 100Hz, 20° C: 0,20
  • Iac: 410+410 mA

$11.85
$10.67
You save: 10%
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C-EC32-32-500Capacitor - JJ Electronics, 500V, 32/32uF, Electrolytic

Same diameter as LCR. Great for use in Marshall amplifiers. 1-3/8" dia. x 2" long.



  • Rated Capacitance: 32+32 µF
  • Rated Voltage: 500 V
  • max. tanδ at 100Hz, 20° C: 0,20
  • Iac: 150+150 mA

$8.50
$7.65
You save: 10%
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C-EC250-500Capacitor - JJ Electronics, 500V, 250µF, Electrolytic

JJ Electronic single-section electrolytic can capacitor, 250 µF -10%+30% @ 500 V, 1 3/8" diameter x 2 3/4" height (35 x 68 mm). Clamp mount, solder lug terminals. Excellent for music industry applications.



  • Rated Capacitance: 250 µF
  • Rated Voltage: 500 V
  • max. tanδ at 100Hz, 20° C: 0,25
  • Iac: 650 mA

$12.95
$11.66
You save: 10%
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C-EC220-385Capacitor - JJ Electronics, 385V, 220µF, Electrolytic

JJ Electronic single-section electrolytic can capacitor, 220 µF -10%+30% @ 385 V, 1-3/16" diameter x 2" height (30 x 50 mm). Snap-in PC mount terminals. Excellent for music industry applications.



  • Rated Capacitance: 220 µF
  • Rated Voltage: 385 V
  • max. tanδ at 100Hz, 20° C: 0,15
  • Iac: 650 mA

$8.95
$8.06
You save: 10%
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C-EC47-385Capacitor - JJ Electronics, 385V, 47µF, Electrolytic

JJ Electronic single-section electrolytic can capacitor, 47µF -10%+30% @ 385 V. 7/8" diameter x 1-5/8" height (22 x 42 mm). Snap-in PC mount terminals. Excellent for music industry applications.



  • Rated Capacitance: 47 µF
  • Rated Voltage: 385 V
  • max. tanδ at 100Hz, 20° C: 0,15
  • Iac: 250 mA

$7.95
$7.16
You save: 10%
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C-EC500-500Capacitor - JJ Electronics, 500V, 500µF, Electrolytic

JJ Electronic single-section electrolytic can capacitor, 500 µF -10%+30% @ 500 V. 1 3/8" diameter x 3 1/2" height (35 x 88 mm). Clamp mount, solder lug terminals. Excellent for music industry applications.



  • Rated Capacitance: 500 µF
  • Rated Voltage: 500 V
  • max. tanδ at 100Hz, 20° C: 0,25
  • Iac: 1000 mA

$16.95
$15.26
You save: 10%
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C-EC350-385Capacitor - JJ Electronics, 385V, 350µF, Electrolytic

JJ Electronic single-section electrolytic can capacitor, 350 µF -10%+30% @ 385 V, 1 3/8" diameter x 2" height (35 x 50 mm). Clamp mount, solder lug terminals. Excellent for music industry applications.



  • Rated Capacitance: 350 µF
  • Rated Voltage: 385 V
  • max. tanδ at 100Hz, 20° C: 0,18
  • Iac: 830 mA

$9.75
$8.78
You save: 10%
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