MGS Home | Favorite Links | UPS/FedEx Shipping Info | Secure Online Order Form
Fiberglass Products | RF Connectors & Adapters | Bristol Wrenches | IDC Technology
Vacuum Variable Capacitors | Fixed Vacuum Capacitors | Vacuum Relays
Fiberglass Push-up Masts | Hexbeam Kits | RF-Microwave Components Catalog
Search MGS website Google Custom Search
RF and Microwave Components Online Catalog

 

Vacuum Variable Capacitors
(201-500 pf max.)

Max-Gain Systems, Inc. offers a wide line of vacuum capacitors, both fixed and variable, at absolute lowest prices!  We have many removed from equipment, from commercial or military sources, as well as new surplus. See item descriptions. All are fully satisfaction guaranteed. On receipt, if not delighted, contact us for refund or replacement, if available. All you ever risk is shipping! Our inventory changes constantly, and many items are not shown here. If you do not see what you want, please email your requirements.

Flanges are required for mounting certain types of vacuum capacitors, both variable and fixed. See item descriptions regarding required flanges, if any. We frequently have these mounting flanges available for sale, either with capacitor purchase, or separately. (Inquire for current availability and pricing) Click this link for a listing of Jennings flanges, complete with illustrations and dimensions!  (We also carry many Comet flanges.)

We have available large inventories of spare parts for vacuum capacitors, including pullers, shafts, bearings, flanges, etc., even for obsolete types! We offer hipot testing and diagnostic services, (to 60,000 volts) and in some select cases, we can perform repairs and restore "sick" capacitors.  

If you require capacitors not in our surplus or used stock, or require factory new-in-box stock only, we are an authorized factory dealer for both Comet and Jennings Technology, and can offer all Comet and Jennings new stock at BELOW suggested list pricing!

If you have surplus motor-driven vacuum capacitors or variable inductors (such as were found in military antenna couplers) and wish to slow down the drive motor for more precise tuning, CLICK HERE for a link to an instructional page.


Jennings UCSL-250-5S

Jennings type UCSL-250-5S vacuum variable capacitor . Rated 4-250 pf, 5 kv peak . Maximum current is 35 amps, RMS at 12 mhz .
Measures 2 . 13 inches maximum diameter, X 4 . 12 inches long overall .  (2 . 56 inches front mounting flange to rear mounting flange . )
Has 1/4 inch diameter shaft . Weight is 9 ounces .  This is a very popular capacitor because of its range and compact size . Comes complete with permanently mounted 3 hole rear mounting flange, and front 3 hole mounting flange which is part of the "puller" .
No additional mounting flanges needed .

Price: $195 (removed from equipment, tested . . . when available) Price is $295 for new / unused when available . (Order Now!)


Comet CV1C-300H/15

Comet CV1C-300H/15 ceramic vacuum variable capacitor. 
Has 1/4" OD shaft.  Approx. 14 turns full travel. 
"Midi-Con" series. Rated at 10-300 pf, and 15 kv peak.  
Maximum current is 68 amps RMS at 13.5 Mhz. 7.5 inches long overall 5 inches long mounting shoulder to mounting shoulder Max. diameter approximately 3.5"                         
Weight approximately 3.75 pounds.
Has 6 drilled and tapped holes on front shoulder for mounting. Rear has 1.5" OD ring for compression connection.

Price
Brand new, unused, in original box  $349 each           
Used, checked (when available) $249 each (Order Now!)


Comet CV1C-300PEN/15

This ceramic vacuum variable capacitor by Comet is rated at 20-300 pf, and 15 kv peak. Rated at 80 amps RMS maximum continuous current. The new format Comet part number for this capacitor is CVMN-300AC/15-BEAA-C, and this is part of the Mini-Con series. Diameter is 88 mm, Height is 135 mm, and weight is 1.4 kg (3.08 pounds). With drilled and tapped holes on both front and rear shoulder for mounting, no flanges required.  Length from front shoulder to rear shoulder is 4 inches.

Condition: New, unused, in original bag. Price:  $349 each
Used / checked (when available) Price: $249 each
(Order Now!)


Jennings CVDD-300-15S

Jennings CVDD-300-15S ceramic vacuum variable capacitor. With 1/2 inch diameter shaft. Approximately 24 turns full travel. Rated at 10-300 pf, and 15 kv peak.     
Maximum current is 85 amps at 6.5 Mhz. 7.5 inches long overall 3.44 inches maximum diameter 
Weight is 3 pounds. Has 6 drilled and tapped holes on front shoulder for mounting.  
Uses #8 screws, 32 threads per inch. With 1.5 inch diameter collar on rear for compression contact. Fits FM1H flange, not supplied.

Price: 
Brand new, unused, original packaging $349.          
Used, checked (when available) $249
(Order Now!)


Jennings UCS-300 glass vacuum variable capacitor

We frequently have a wide assortment of this type available in several configurations. All are rated at 10 to 300 pf.

Maximum continuous current rating is 55 amps RMS at 5 Mhz. Maximum diameter is 2.57 inches. Length overall is 8.75 inches.

Takes 2 inch diameter FM-2 flange on front, and .88 inch diameter FM0B flange on rear. Requires 23 turns for full travel. Weight 1 pound, 11 ounces. We have many suffixes available (the numbers after the UCS-300) so ask if you have a specific requirement.

Photo shows front flange installed, which is NOT included, but is available at extra cost. Capacitor only

- rated 7.5 kv peak    $179.00  used / checked.  New sometimes available. (Inquire.)
- rated 10 kv peak     $189.00  used / checked.  New sometimes available. (Inquire.)
- rated 15 kv peak     $199.00  used / checked.  New sometimes available. (Inquire.)

(Order Now!)


Jennings UCSL-500-5S

Jennings UCSL-500-5S glass vacuum variable capacitor. Has 1/4 inch OD shaft.  Approximately 20 turns full travel. Rated 5-500 pf, and 5 kv peak.  Maximum current 40 amps RMS at 6 Mhz. 4.94 inches long overall (Very compact!) 2.32 " maximum diameter Has 2.19" diameter permanent front flange, with drilled (not tapped) holes for mounting. With .81 inch diameter nipple on rear end for compression connection. (Fits FM0D flange, not supplied, but usually in stock at extra cost.)

Price: Used, checked  $249 each (Order Now!)


Jennings type CSVF-500 / UCSF-500 0107

We have good quantity of these Jennings type CSVF-500 / UCSF-500 0107 vacuum variables for sale. Photos show a group shot with and without the mount installed, and mounts shown removed as well. Closeup of capacitor with mount removed shows measuring tape and US dollar bill for size reference.

This very popular capacitor is rated 12-500 pf, 7.5 kv max, but We have hipot tested these, and they consistently test at 15 kv or better at maximum rated capacitance, 500 pf (worst case)!! Maximum allowable current is 65 amps at approximately 3.5 Mhz. Diameter is 3.5 inches, and length overall is 7.88 inches. Weight is 2 pounds, not including mount. We will supply a solid aluminum front compression mount (manufactured for ETO) with each capacitor. These mounts are pictured for your reference. This capacitor is the perfect high-current, higher voltage upgrade cap for the Alpha 77Dx and Sx amplifiers, and is an exact fit for original equipment. Condition is excellent, almost like new. Satisfaction guaranteed. Price: $209 each with mount. (Order Now!)


Jennings type CSVF-500 - 0315

This capacitor is the 15 kv rated version of the Jennings type CSVF-500 / UCSF 500 0107 (shown above). Rated 12-500 pf, 15 kv peak, the CSVF-500-0315 is furnished with a Jennings silver-plated type FM-2 front flange mount, as pictured. Maximum allowable current is 65 amps at approximately 3.5 Mhz. Diameter is 3.5 inches, and length overall is 7.88 inches.Weight is 3 pounds. Shaft diameter: 1/4 inch. Hipot tested, and fully satisfaction guaranteed. Price: $249. (Order Now!)


Comet type CV1C-500TN/15

This capacitor is the Comet (precision manufactured in Switzerland) equivalent type to the Jennings type CSVF-500-0315 shown above, and has similar ratings of 12-500 pf, 15 kv peak. (For detailed ratings, see above.) Furnished with type FM-2 front flange mount. Shaft is same diameter as the CSVF-500-0315, but is approximately 1/4 inch longer. Hipot tested, and fully satisfaction guaranteed. Price: $249. (Order Now!)


Comet CV1C-500UIHN/15

The Comet CV1C-500UIHN/15 is a silver / ceramic vacuum variable capacitor with a range of 15 to 500 pf, and is rated at 15 kv peak. Maximum continuous current is 79 amps at 13.56 mhz.

The new format Comet part number for this unit is CMV1-500BC/15-BEDA-BL. Maximum diameter is 88 mm, overall length is 194 mm. Weight is 1.6 kg, (4.31 pounds). Part of Comet's "Midi-Con" series, designed for general applications requiring widest tuning range. With 1/4 inch OD shaft, with slotted end. Has six drilled and tapped holes on front shoulder for mounting. Rear has permanently mounted flange with six drilled and tapped holes. No further mounting hardware necessary.

Condition: New, unused, in original packaging only. Price:   $359 each (Order Now!)


Jennings types UCSF-500-10N and UCSF-500-15D

These are the glass version of the newer ceramic CSVF-500, shown elsewhere on this page. Many builders like the look of the clear glass envelope, which allows a view of the interior plates. The UCSF-500-10N528 and the UCSF-500-15D912 are pictured. Electrical ratings are 12-500 pf, and 10 kv peak voltage for the "-10N" and 15 kv peak voltage for the "-15D". Maximum rated current is 55 amps RMS continuous. They are physically the same, measuring 3.6 inches maximum diameter (90.68 mm), and 7.7 inches long (195.33 mm)overall. Weight is 2 pounds, 2 ounces. Removed from equipment, thoroughly checked, and guaranteed.

Some of the units pictured are shown with optional front or rear mounting flanges. The FM2 (front) and FM2S (rear) flanges are not included, but are normally stocked items, available at extra cost if desired.

Price: 
10 kv peak version, $229           
15 kv peak version, $249
(Order Now!)


Comet CV1C-500NM/10

Comet CV1C-500NM/10 ceramic vacuum variable capacitor . Rated at 100-500 pf,  according to label . (Comet factory literature states 80-500 pf . , and our actual units typically tune down to about 40 pf minimum . )  and 10 kv peak .

Rated 80 amps max at 13 . 56 mhz . Maximum diameter 86 mm, (approx .3 .25 inches)  overall length is 132 mm . (approx . 5 . 25 inches) . Mini-Con series .

Both front and rear shoulders are drilled and tapped for mounting (6 holes each . ) With 14"OD shaft . Weight is 2 . 8 pounds .

Price: $219 (Order Now!)


"Out of spec" and "budget" capacitors:  If you want the quality and performance of vacuum capacitors, but the budget just won't allow it, (or if you are just looking to save some money) we frequently have "out of spec" capacitors . These capacitors do not meet the specifications for the particular model . This can happen because of many reasons, but they are still perfectly usable in other capacitance ranges or maximum voltages . For instance, we might have a type that is listed at 15 kv, but tests good to 12 kv .  In this case, we will not sell it to a user who needs 15 kv ratings, but if you need only 5 kv, 7 . 5 kv, or 10 kv, this capacitor would do nicely .  If you want us to check our "out of spec" shelves for current stock, just tell us your capacitance range and voltage requirements (and current rating if you know it . . . or approximate power level) and we will let you know what we have available at steep discounts!

"SCRATCH AND DENT" We also frequently have in stock many vacuum capacitors which have cosmetic blemishes such as dents, which would not meet our high standards for regular sale, but which still check good, both in range, and in their ability to withstand voltage .

Some dents will damage or totally destroy a capacitor . Others, if they occur in just the right places, cause no harm at all . We have the knowledge and test capability to make these determinations, and if they pass our stringent testing, sell these units at discounted prices with our regular guarantee! If interested in these units, please inquire as to current availability .

If you don't see what you wanted: These pages show only a fraction of the stock we have available . We have many thousands of vacuum capacitors, both fixed and variable, as well as vacuum relays . This stock changes daily . If you have requirements for items not listed in these product lines, please Email, and our knowledgeable staff will search our inventory . (Don't forget to give us your email address and contact information!)

 


Ordering:

To order, use our secure online order form, or call us Monday through Friday 8 AM-5 PM Eastern time at 770-973-6251.

You may also print the order form using your browser's print button and fax your order to us at 815-461-7730. PLEASE give us your email address so that we can easily contact you in case we have a question.

Visa and Mastercard accepted!


RF and Microwave Components Online Catalog
 

 

 

 

 

 

 

 

 

 

Our customers have told us that the following terms have legitimately helped them find us, and the products that we index and sell on this page. If you have an idea of another term you were looking for where that need would be legitimately satisfied by goods indexed or found on this page only, please let us know.     Please be very selective in suggesting additional terms for this section. We want potential customers to be able to quickly and easily find us, but under no circumstances do we want to "spam" anyone with unrelated search results!

 

vacuum capacitor, vacuum capacitors, vacuum variable capacitor, vacuum variable capacitors, vacume capacitor, vacume capacitors, vacume variable capacitor, vacume variable capacitors, vacuum tuner, vacume tuner, vacuum tunner, vacume tunner, condensator, condensatore, high voltage capacitors, high current capacitors, used vacuum capacitors, used vacume capacitors, used vacuum variable capacitors, used vacume variable capacitors, used vacuum tuners, used vacume tuners, Jennings vacuum capacitors, Jennings vacuum variable capacitors, Jennings vacume capacitors, Jennings vacume variable capacitors, Comet vacuum capacitors, Comet vacuum variable capacitors, Comet vacume capacitors, Comet vacume variable capacitors, EEV vacuum capacitors, EEV vacuum variable capacitors, EEV vacume capacitors, EEV vacume variable capacitors, English Electric Valve vacuum capacitors, English Electric Valve vacuum variable capacitors, English Electric Valve vacume capacitors, English Electric Valve vacume variable capacitors, Amperex vacuum capacitors, Amperex vacuum variable capacitors, Amperex vacume capacitors, Amperex vacume variable capacitors, Meiden vacuum capacitors, Meiden vacuum variable capacitors, Meiden vacume capacitors, Meiden vacume variable capacitors, Meidensha Meivac vacuum capacitors, Meidensha Meivac vacuum variable capacitors, Meidensha Meivac vacume capacitors, Meidensha Meivac vacume variable capacitors, lowest prices on vacuum capacitors, lowest prices on vacuum variable capacitors, lowest prices on vacume capacitors, lowest prices on vacume variable capacitors, lowest prices on vacuum tuners, lowest prices on vacume tuners, capacitor flange, capacitor flanges, capacitor mounts, vacuum capacitor flanges, vacuum variable capacitor flanges, vacuum capacitor drives, vacuum capacitor pullers, vacuum variable capacitor drives, vacuum variable capacitor pullers, vacuum capacitor parts, vacuum variable capacitor parts, vacuum capacitor testing, vacuum variable capacitor testing, vacuum capacitor hipotting, vacuum variable capacitor hipot testing, vacuum capacitor repair, vacuum variable capacitor repair, we buy vacuum capacitors, we buy vacuum variable capacitors, Comet dealer, Comet capacitor dealer, Comet factory authorized dealers, Comet factory authorized dealer


This web site is designed by Advanced Advertisement On-Web (tm)
© Copyright Max-Gain Systems, Inc. .All Rights Reserved.