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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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S-H122Capacitor Clamp - 1.375" Diameter
For mounting multi-section can capacitors in your vintage amp.
$1.75
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C-ET10-350-ILCapacitor - Illinois, 350V, 10µF, Axial Lead Electrolytic

High quality low leakage tubular electrolytic capacitor. Rated for 85° C operation. Tolerance -20%, +50%. Size.50" dia. x 1.04" length. Formerly C-ET10-350


$1.95
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C-T-400VCapacitor - 400V, Metal Film, ± 10%
± 10% tolerance. Non-inductive self healing windings. Axial Lead capacitor. 400 Volts.
Starting at $0.40
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C-ET16-475-FTCapacitor - F&T, 475V, 16µF, Axial Lead

Founded in 1948 by Heinz Fischer and Alfred Tausche, F&T Capacitors has over 60 years of experience in producing some of the finest capacitors available today. F&T Caps are known for their great tone and reliability.



  • 16uF/475V
  • Axial lead electrolytic
  • Made in Germany
  • 0.63" dia. x 1.50" long
  • Operating temperature range -40°C to 85°C

$5.45
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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
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C-EC20X4-475Capacitor - CE Mfg., 475V, 20/20/20/20µF, Electrolytic
  • CE Manufacturing USA Made Multi Section Can Capacitor. Reproduced To Exact Mallory Specs Using Original Mallory Machinery.
  • 20/20/20/20uF 475VDC Electrolytic.
  • FP / Twist Lock Style. PCB Mount.
  • -10%, +50% Tolerance, 55°C Temperature Rating.
  • 1 3/8"D X 2"H.


All CE manufactured can capacitors have a two year warranty against manufactured defects.


$36.70
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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
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C-EC40X3-525Capacitor - CE Mfg., 525V, 40/40/40uF
  • CE Manufacturing USA Made Multi Section Can Capacitor. Reproduced To Exact Mallory Specs Using Original Mallory Machinery.
  • 40/40/40uF 525VDC.
  • FP / Twist Lock Style. Solder Tabs.
  • -10%, +50% Tolerance, 55°C Temperature Rating.
  • 1 3/8"D X 3"H.


All CE manufactured can capacitors have a two year warranty against manufactured defects.


$40.90
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C-ET47-250Capacitor - 250V, 47µF, Axial Lead Electrolytic
High quality low leakage tubular electrolytic capacitor. Rated for 85° C operation.
Tolerance -20%, +50%.
Size .63" dia. x 1.25" length.
$2.95
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C-ET47-500-ILCapacitor - Illinois, 500V, 47µF, Axial Lead Electrolytic

Rated for 85 degree operation. Tolerance -20%, +50%. 88" dia. x 2.01" long.


$5.65
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