CENTRALAB CATALOG ONLINE! For your reference, click HERE for a .pdf copy of a Centralab catalog, complete with data on their entire line of ceramic “doorknob” capacitors.
Note: Click “next page” and “previous page” to flip through the very small representation of the catalog that comes up initially. When you get to a page you need, click the page to get a larger image. Clicking again zooms in further for easy reading. Click the “back” button on your browser to return to the small representation. The page numbers shown beneath the small representation of the catalog to not agree with the page numbers printed on the actual catalog pages (catalog page numbers printed at the bottom of the pages are 2 less than the page numbers shown below the small representation, as the cover and category index are pages 1 and 2.)
To see molded high voltage capacitors, go to pages 34 and 35 , and to see ceramic “doorknob” capacitors look on page 36 (numbers as shown at the bottom of the small representation.
1 Microfarad, 60 KVDC capacitor
These are new / unused old military stock (1996 manufacturing date codes) plastic dielectric high voltage capacitors. (They look like large oil-filled types, but they are plastic dielectric.) Rated at 1 Microfarad, and 60KVDC! Original cost in large quantity in 1996 was $1,315.88 each according to demil tags. NSN is 5910011390092
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2938639-1 |
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RFI Corporation |
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Bay Shore, NY 11706 |
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131619 RC942 |
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These capacitors are large: 15.5 inches wide X 6.5 inches deep X 17 inches tall not including large ceramic insulator. Large insulator adds 5.5 inches to height.
Weight is an impressive 80 pounds! This item cannot ship to residential addresses because of weight, but FedEx ground shipping to commercial addresses (in USA) is not a problem. We can provide shipping quotes, if you furnish ship-to address. This would probably be a most impressive Tesla capacitor!
Order as our stock # HVCAP 05 Price each: $395.00! (Order Now!)
"Doorknob" Transmitting Capacitors
Removed from equipment. CRL type 850, HI-Q type ACO, HEC type HT or equivalent. Measurements: Diameter approx. .75 inch, length approx. .65 inch (.85 inch includ ing mounting studs).
(Order Now!)
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Capacitance (pf) |
Voltage (kv) |
Price each (US $) |
12 pf |
5 kv |
$6 |
15 pf |
7.5 kv |
$6 |
40 pf |
5 kv |
$8 |
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400 pf |
7.5 kv |
$6 |
This single 400 pf value is HVCO type DGOG401MB (N3300) (dark blue color), TS 50-401-20-5752 (N5600) (light blue color) or equivalent. Large quantities available! |
Please note: The doorknob capacitors shown above all sell almost as fast as we get them. Inquire as to current availability before ordering! (We do maintain waiting lists for these items if out of stock.)
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Order Now!)
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Transmitting Mica Capacitor, .001 mfd
These brand new, mil-spec, transmitting mica capacitors, are made by Sangamo. Measuring .001 mfd (1000 pf) at 2500 working volts dc. For mounting the capacitors have two holes on either side of the capacitor base for screws. Two tinned axial leads are provided for electrical connection. Capacitor measures 1.125 inches in length X 1.625 inches wide X .312 inches thick. Overall width including leads is 2.25 inches. The mounting holes, center to center, measure 1.312 inches and the center of the holes in the two tinned leads measure 1.75 inches. These transmitting mica capacitors are marked: HT .001 MFD 2500 WVDC CM45B102JN3 and are made in U.S.A.
Condition: New/Unused. Most in sealed military packaging
Order as our stock # MICCAP-01 Price: $4.00 ( Order Now! ) |
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Dubilier Condenser Corp Type: 252-51
Part # (MICCAP-BC-01)
Type 252-51 large broadcasting mica capacitor
Manufacturer Dubilier Condenser Corp
Material Ceramic
Capacitance 1000 pf
Voltage Rating 15 KV
Current Rating 18 Amps @ 3 Mhz
16 Amps @ 1 Mhz
9 Amps @ .3 Mhz
Important Dimensions
Max Depth 4.875 in / 123.825 mm
Max Width 6.5 in / 165.1 mm
Max height 4 in / 101.6 mm
Weight 99.4 oz / 2.817 kg
Mounting Front and Rear flanges with 2x holes each. Set 5.75 inches apart.
Condition Removed from equipment
Price $149.00 (Supplied with flanges)
(Order Now!) (refer to our part # MICCAP-BC-01) |
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Sangamo Electric Co. Type G3B
Part # (MICCAP-BC-02)
Type G3B large broadcasting mica capacitor
Manufacturer Sangamo Electric Co.
Material Ceramic
Capacitance 4000 pf
Voltage Rating 15 KV
Current Rating 27 Amps @ 1 Mhz
Important Dimensions
Max Depth 5 in / 127 mm
Max Width 6.5 in / 165.1 mm
Max height 4 in / 101.6 mm
Weight 101 oz / 2.863 kg
Mounting Front and Rear flanges with 2x holes each. Set 5.75 inches apart.
Condition Removed from equipment
Price $149.00 (Supplied with flanges)
(Order Now!) (refer to our part # MICCAP-BC-02) |
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Sangamo Electric Co. Type 294
Part # (MICCAP-BC-03)
Type 294 large broadcasting mica capacitor
Manufacturer Sangamo Electric Co.
Material Cast Mica
Capacitance 10000 pf
Voltage Rating 10 KV
Current Rating 43 Amps @ 1 Mhz
Important Dimensions
Max Depth 3.5 in / 88.9 mm
Max Width 6.5 in / 165.1 mm
Max height 5.75 in / 146.05 mm
Weight 101 oz / 2.863 kg
Mounting Front and Rear flanges with 2x holes each. Set 5.75 inches apart.
Condition Removed from equipment
Price $249.00 (Supplied with flanges)
(Order Now!) (refer to our part # MICCAP-BC-03)
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Sangamo Electric Co. Type 294
Part # (MICCAP-BC-04)
Type 294 large broadcasting mica capacitor
Manufacturer Sangamo Electric Co.
Material Cast Mica
Capacitance 1500 pf
Voltage Rating 25 KV
Current Rating 20 Amps @ 1 Mhz
Important Dimensions
Max Depth 3.5 in / 88.9 mm
Max Width 6.5 in / 165.1 mm
Max height 5.75 in / 146.05 mm
Weight 91 oz / 2.579 kg
Mounting Front and Rear flanges with 2x holes each. Set 5.75 inches apart.
Condition Removed from equipment
Price $195.00 (With flanges)
(Order Now!) (refer to our part # MICCAP-BC-04) |
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Sangamo Electric Co. Type 2271-CM81
Part # (MICCAP-BC-05)
Type 2271-CM81 large broadcasting mica capacitor
Manufacturer Sangamo Electric Co.
Material Cast Mica
Capacitance 842 pf
Voltage Rating 10 KV
Current Rating 9.1 Amps @ 1 Mhz
Important Dimensions
Max Depth 2.5 in / 63.5 mm
Max Width 5 in / 127 mm
Max height 4.25 in / 107.95 mm
Weight 19.9 oz / 564 g
Mounting Front and Rear flanges with 2x holes each. Set 4.25 inches apart.
Condition Removed from equipment
Price $149.00 (Supplied with flanges)
(Order Now!) (refer to our part # MICCAP-BC-05) |
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Dubilier Condenser Corp Type: 1960
Part # (MICCAP-BC-06)
Type 1960 large broadcasting mica capacitor
Manufacturer Dubilier Condenser Corp
Material Ceramic
Capacitance 3000 pf
Voltage Rating 8 KV
Current Rating 18 Amps @ 3 Mhz
16 Amps @ 1 Mhz
10 Amps @ .3 Mhz
Important Dimensions
Max Depth 3.5 in / 88.9 mm
Max Width 5 in / 127 mm
Max height 3 in / 76.2 mm
Weight 39 oz / 1.105 kg
Mounting Front and Rear flanges with 2x holes each. Set 4.25 inches apart.
Condition Removed from equipment
Price $99.00 (Supplied with flanges)
(Order Now!) (refer to our part # MICCAP-BC-06) |
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Cornell-Dubilier Condenser Corp Type: PL 543459
Part # (MICCAP-BC-07)
Type PL 543459 large broadcasting mica capacitor
Manufacturer Cornell-Dubilier Condenser Corp
Material Ceramic
Capacitance 2500 pf
Voltage Rating 6 KV
Current Rating 13 Amps @ 3 Mhz
11 Amps @ 1 Mhz
8 Amps @ .3 Mhz
Important Dimensions
Max Depth 2.875 in / 73.025 mm
Max Width 3.875 in / 98.425 mm
Max height 2.5 in / 63.5 mm
Weight 23.3 oz / 660 g
Mounting Front and Rear flanges with 2x holes each. Set 3.25 inches apart.
Condition Removed from equipment
Price $95.00 (Supplied with flanges)
(Order Now!) (refer to our part # MICCAP-BC-07)
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Dubilier Condenser Corp Type: CM90B392JM1
Part # (MICCAP-BC-08)
Type 252-51 large broadcasting mica capacitor
Manufacturer Dubilier Condenser Corp
Material Ceramic
Capacitance 1000 pf
Voltage Rating 20 KV
Current Rating 24 Amps @ 3 Mhz
30 Amps @ 1 Mhz
20 Amps @ .3 Mhz
11 Amps @ .1 Mhz
Important Dimensions
Max Depth 4.875 in / 123.825 mm
Max Width 6.5 in / 165.1 mm
Max height 4 in / 101.6 mm
Weight 99.4 oz / 2.817 kg
Mounting Front and Rear flanges with 2x holes each. Set 5.75 inches apart.
Condition Removed from equipment
Price $149.00 (Supplied with flanges)
( Order Now! ) (refer to our part # MICCAP-BC-08) |
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Centralab type 855, ceramic capacitors with axial leads
These Centralab ceramic transmitting capacitors are rated 2 pf, and 5 kv. They are NPO types (temperature compensated) for high stability. Removed from military equipment, with fairly long leads (see photo), most of which also have Teflon insulating sleeves still in place on the leads. Excellent condition.
Order our stock # DNCAP-04
Price: $2 each (10 or more price is $1.50 each!)
(Order Now!) |
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3 pf, 5 kv ceramic doorknob capacitors
These capacitors are by three different manufacturers, Centralab (CRL) # 854, High Energy Corp. (HEC) # HT54, or AVX p/n 913-0758-00. All are interchangeable types. Value is 3 pf, + or - .5 pf, and 5 kv rated. Ceramic body with silver plated ends. Both ends are drilled and tapped for screws. Removed from equipment.Diameter is 3/8 inch, height also about 3/8 inch.
Order our stock # DNCAP-06
Price: $2.00 each (10 or more price is $1.75 each!) (Order Now!) |
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5 pf, 5 kv NPO rated doorknob capacitors
These are Centralab (CRL) type 855, rated 5 pf, + or - 1 pf, and 5 kv. These are high stability, NPO (temperature compensated) types. Ceramic body, with silver plated ends, each end drilled and tapped for screws. Measures about 1/4 inch diameter X 3/8 inch long.
Order our stock # DNCAP-07
Price: $3.00 each (10 or more price is $2.25 each!) (Order Now!) |
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DCC507 201K
(Our stock # DNCAP-08)
Type DCC507 201K capacitor
Manufacturer Unknown
Material Ceramic
Capacitance 200 pf
Voltage Rating 7.5 KV
Current Rating 10.4 A mps @ 1 Mhz
Important Dimensions
Max Width 1.25 in / 31.75 mm
Max Height 1.5 in / 38.1 mm
Weight 3.4 oz / 0.096 kg
Mounting Drilled and tapped for screws on each end
Condition New, old stock.
Price $25.00
( Order Now! ) (refer to our part #DNCAP-08)
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High Energy Corporation Type SPHT 2102 MA
(Our stock # DNCAP-09)
Type SPHT 2102 MA capacitor
Manufacturer High Energy Corporation
Material Ceramic
Capacitance 1000 pf
Voltage Rating 15 KV
Current Rating 14.4 Amps @ 1 MHz
Important Dimensions
Max Width 2.25 in / 57.15 mm
Max Height 1.25 in / 31.75 mm
Weight 6 oz / 0.17 kg
Mounting Drilled and tapped for screws on each end
Condition New, old stock.
Price $49.00 ( Order Now! ) (refer to our part #DNCAP-09) |
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High Energy Corporation Type SPHT 1202 MK
(Our stock # DNCAP-10)
Type SPHT 1202 MK capacitor (high current type)
Manufacturer High Energy Corporation
Material Ceramic
Capacitance 2000 pf
Voltage Rating 10 KV
Current Rating 60 Amps @ 1 Mhz (estimated)
Important Dimensions
Max Width 5 in / 127 mm
Max Height 1.4 in / 35.56 mm
Weight 33.4 oz / .947 kg
Mounting 6x drilled and tapped holes on the top and bottom
Condition Removed from equipment, tested. guaranteed good.
Price $195.00
( Order Now! ) (refer to our part #DNCAP-10) |
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High Energy Corporation Type SPHT 7102 MAA
(Our stock # DNCAP-11)
Type SPHT 7102 MAA capacitor
Manufacturer High Energy Corporation
Material Ceramic
Capacitance 1000 pf
Voltage Rating 40 KV
Current Rating 30Amps @ 1 Mhz (estimated)
Important Dimensions
Max Width 4.5 in / 114.3 mm
Max Height 4.625 in / 117.475 mm
Weight 94.6 oz / 2.682 kg
Mounting 6x drilled and tapped holes on the top and bottom.
Condition New, old stock.
Price $295.00
( Order Now! ) (refer to our part # DNCAP-11 ) |
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High Energy Corporation Type SPHT 5501 MA
(Our stock # DNCAP-12)
Type SPHT 5501 MA capacitor
Manufacturer High Energy Corporation
Material Ceramic
Capacitance 500 pf
Voltage Rating 30 KV
Current Rating 12.5 Amps @ 1 Mhz
Important Dimensions
Max Width 3.663 in / 93.19 mm
Max Height 3.162 in / 80.34 mm
Weight 31.8 oz / 0.919 kg
Mounting Drilled and tapped for screws on each end.
Condition New, old stock.
Price $229.00
( Order Now! ) (refer to our part # DNCAP-12 ) |
Glass Piston Capacitors, (variable)
We have a large supply of these brand-new, mil-spec, adjustable glass piston capacitors. Samples tuned from 1.1 pf to 10.2 pf, and on our hipot testers, 100% of samples withstood 5,000 volts plus. These are an EXCELLENT high voltage trimmer capacitor. Made under military contract by JFD Electronics Co., and are referred to as part # 118145-3. Individual units are imprinted with JFD VC12432C. These were assigned a national stock number (NSN) of 5910-00-575-8838. Measurements are 7/8 inches long overall. Body diameter is ¼ inch, not including the two tinned connection solder tabs. Supplied complete with chassis mounting nut. Adjust these capacitors by means if a small, flat-blade screwdriver. Use a fully insulated adjusting tool if adjusting while subjected to voltage! Original cost in large quantity at time of original purchase (years ago) was $15.37 each. Refer to our stock # GPC-01 Price each: $5.00 10 or more quantity price: $3.75 each! (Order Now!)
Vitramon capacitors
We have a good selection of values of these ceramic Vitramon capacitors for sale . While we cannot find much data on these caps, they seem to be rated by the manufacturer at about 2 kv . We have tested quite a few, and they hipot MUCH higher . . . some as high as 20 kv (!), then they flash internally, and they are dead .
Unlike other types, once they fail hipot, they are gone for good, even with current limited very low . The good part is that it takes a great deal of voltage to fail hipot!
Customers who have purchased these in the past for antenna uses and other purposes have been extremely pleased, and have consistently reordered . Ceramic body measures about 1/2 inch X 3/8 inch X 5/32 inch thick . Stripline tabs may be as long as those pictured, (most are) or may be shorter (these are removed from military equipment) but will always be long enough for easy soldering .
Values usually available: 40 pf, 54 pf, 90 pf. Not all of these values available at all times, so please verify stock by email before ordering.
These are the "stripline" types, and are sold by others at up to $12 each!
Our price , your choice: $2 each! ( Order Now! )
Encapsulated paralleled capacitors
We have these two values of encapsulated ceramic capacitors, removed from military equipment. We are not certain of type, but they seem to be very similar to Vitramon types in the way they act and in the way they were used in equipment. Each block has two capacitors paralleled to yield these values blockcap1: 700 pf, tested good to 8 kv or higher (measures 1.125 inches tall X ½ inch wide) blockcap2: 3500 pf, tested good to 5 kv or higher (measures 1.125 inch tall X 1 inch wide)
Blockcap2 3500pf, 5kv
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Blockcap1 700pf, 8kv |
Since these blocks are made up of two paralleled capacitors, the current rating will be double that of each individual capacitor. The encapsulation is a very tough, slightly flexible material, making these units almost impervious to environmental moisture. The bottom of each block is a small metal plate with two drilled and tapped holes for easy mounting to a chassis. (Foreign customers: mating screws are available at 6 for $1.00 additional. Just request when ordering. ) The top of each block has the two axial leads paralleled, soldered to a small ribbon conductor.
Order as our stock number: Blockcap1 Price: $4.00 per unit
Order as our stock number: Blockcap2 Price: $4.00 per unit
Mounting screws order as our stock number: Blockcap screws1 Price: 6 screws for $1.00
( Order Now! )
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Custom Capacitors
Manufacturer Custom
Manufacturer Part # CEM-7SP L2
Voltage 9 KV
Other Useful # 7637450P1
G1-1 3.18 nf G2-1 33 pf G3-1 54.4 pf
G1-2 3.18 nf G2-2 33 pf G3-2 55 pf
G1-3 31 pf G2-3 6.43 nf G3-3 58 pf
G1-4 31 pf G2-4 6.41 nf G3-4 58 pf
G1-5 52 pf G2-5 58 pf G3-5 6.41 nf
G1-6 52 pf G2-6 58 pf G3-6 6.51 nf
G1-7 52 pf G2-7 58 pf G3-7 6.55 nf
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NOTE: Coil shown with multiple taps appears to be a multi-stage series filter with multiple inductance / capacitance combinations.
Frequency characteristics unknown. Coil is easily removed if desired.
Important Dimensions
Max Depth 3 in / 76.2 mm
Max Width 2 in / 50.8 mm
Max height 2 in / 50.8 mm
Weight 12.2 oz / 346 g
Price $29.00 ( Order Now! ) (refer to our part # CUSTCAP-01)
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Custom Capacitors
Manufacturer Custom
Manufacturer Part # CEM39SP L2
Voltage 9 KV
Other Useful # 7637526
G1-1 3.15 nf G2-1 54 pf G3-1 32 pf
G1-2 3.29 nf G2-2 54 pf G3-2 32 pf
G1-3 55 pf G2-3 3.26 nf G3-3 59 pf
G1-4 54 pf G2-4 3.23 nf G3-4 59 pf
G1-5 54 pf G2-5 3.17 nf G3-5 59 nf
G1-6 54 pf G2-6 3.27 nf G3-6 59 nf
G1-7 33 pf G2-7 61 pf G3-7 6.56 nf
G1-8 33 pf G2-8 61 pf G3-8 6.26 nf
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NOTE: Coil shown with multiple taps appears to be a multi-stage series filter with multiple inductance / capacitance combinations.
Frequency characteristics unknown. Coil is easily removed if desired.
Important Dimensions
Max Depth 4 in / 101.6 mm
Max Width 2 in / 50.8 mm
Max height 2.75 in / 69.9 mm
Weight 12.8 oz / 363 g
Price $29.00 ( Order Now! ) (refer to our part # CUSTCAP-02)
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Custom Capacitors
Manufacturer Custom
Manufacturer Part # CER3A492SP-L2
Material Mica Paper Dielectric
Voltage 12.5 KV - 9 KV
Other Useful # 7637450P1
G1-1 .0031 uf G2-1 .0031 uf G3-1 .0031 uf
G1-2 .0031 uf G2-2 .0031 uf G3-2 .0031 uf
G1-3 .0031 uf G2-3 .0031 uf G3-3 .0031 uf
G1-4 .0031 uf G2-4 .0031 uf G3-4 .0031 uf
G1-5 .0031 uf G2-5 .0031 uf G3-5 .0031 uf
G1-6 .0031 uf G2-6 .0031 uf G3-6 .0031 uf
G1-7 .0062 uf G2-7 .0062 uf G3-7 .0062 uf
G1-8 .0062 uf G2-8 .0062 uf G3-8 .0062 uf
G1-9 .002 uf G2-9 .002 uf G3-9 .002 uf
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NOTE: most have green "G10" fiberglass mounting blocks for easy chassis mounting
Coil shown with multiple taps appears to be a multi-stage series filter with multiple inductance / capacitance combinations.
Frequency characteristics unknown. Coil is easily removed if desired.
Important Dimensions
Max Depth 4 in / 101.6 mm
Max Width 2 in / 50.8 mm
Max height 3.25 in / 82.5 mm
Weight 17 oz / 482 g
Price $29.00 ( Order Now! ) (refer to our part # CUSTCAP-03)
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Feedthrough Capacitors
New item! 5000 pf, 1 kv feedthrough capacitors
We have obtained a large supply (THOUSANDS available) of these 5000 pf silver-plated, mil-spec feedthrough capacitors. These were carefully removed from military equipment (most of the equipment was brand new / unused) and are supplied complete with chassis mounting nuts and full length terminal leads. While we do not know the manufacturer's voltage rating on these capacitors, we have hipot tested multiple samples, and they consistently hipot to higher than 1,000 volts. Length is 7/8 overall, including leads. Maximum diameter is 1/4 inch.
Refer to our stock # FTC-01 Price: $0.75 each! 10 or more quantity price: $0.65 each! ( Order Now! ) |
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Jennings-J1FT40-N750
Part #(FTC-02)
Jennings J1FT40 N750 Feed Through Capacitor
Manufacturer Jennings
Material Ceramic
Capacitance 2000 pf
Voltage Rating 8.5 KV
Important Dimensions
Max Length 7.5 in / 190.5 mm
Max Width 2.5 in / 63.5 mm
Max height 2.5 in / 63.5 mm
Weight 1 lbs 9.1 oz / 711.57 g
Mounting 2x 5/16 inch metal studs on each end, as well as 8 metal ears with drilled hole on top half
Condition Removed from equipment
Price $79.00
( Order Now! ) (refer to our part # FTC-02) |
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JHI-Q Feed through Capacitor Model: HPD 65/130
Part #(FTC-03)
Hi-Q feed through Capacitor Model: HPD 65/130
Manufacturer Hi-Q
Material Ceramic
Capacitance 2000 pf
Voltage Rating 8.5 KV
Important Dimensions
Max Length 7 in / 177.8 mm
Max Width 2.5 in / 63.5 mm
Max height 2.5 in / 63.5 mm
Weight 1 lbs 9.1 oz / 711.57 g
Mounting 2x 5/16 inch metal studs on each end, as well as 8 metal ears with drilled hole on top half
Condition Removed from equipment
Price $79.00
( Order Now! ) (refer to our part # FTC-03) |
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Centralab Feed through Capacitor Model: 140-1077
Part #(FTC-04)
Centralab feed through Capacitor Model: 140-1077
Manufacturer Centralab
Material Ceramic
Capacitance 2000 pf
Voltage Rating 25 KV
Important Dimensions
Max Length 8 in / 203.2 mm
Max Width 3.75 in / 95.25 mm
Max height 3.75 in / 95.25 mm
Weight 4 lbs 9.9 oz / 2095.03 g
Mounting 2x 3/16 inch metal studs on each end, as well as a 6 inch square metal flange mounted on the center of the capacitor
Condition Removed from equipment
Price $149.00
( Order Now! ) (refer to our part # FTC-04) |
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