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Vacuum Variable Capacitors
(Up to 200 pf maximum)

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 CVA-7-35N91 ceramic vacuum variable capacitor.              

With 1/4" OD shaft. Rated at 2.7 to 7.5 pf, 35 kv peak, and 100 amps maximum RMS! Mounts with #10 stud bolts, permanently mounted to front shoulder. Rear requires 7/8" flange. Measures 4.25 inches long overall, 3" diameter. Weight is approximately 1.7 pounds. Removed from equipment, guaranteed.

Price: $195 (Order Now!)


Jennings CVFN-50-0130

(Other variations of this capacitor are sometimes available, inquire)
CVFN-50-30                                       CVFNP-50-30
CVFN-50                                             CVFNP-50

Jennings CVFN-50-0130 ceramic vacuum variable capacitor.

Rated Capacitance                              10-50 pf
Peak Voltage                                        30 KV
Current Amps (RMS) Maximum        20 amps
Shaft Diameter                                     1/2 inch
Turns for Full Travel Max                   25
Important Dimensions
Max length                                         8.85 in / 224.79 mm (including shaft)
Max Diameter                                   4 in / 101.6 mm
Mounting Flange Distance               5.1 in / 129.6 mm
Weight                                                 56 oz / 1.59 Kg
Mounting      x6 (.128 diameter) holes on top and bottom of capacitor on permanently mounted flanges (Aluminum chassis mounting brackets sometimes available at no cost on request with purchase of this capacitor.)
Condition     Removed from equipment, checked, and guaranteed.

Price: $349      (Capacitor only) 
(Order Now!)


Jennings GCS-55-15S

Jennings GCS-55-15S vacuum variable capacitor, glass, rated 5-55 pf, at 15 kv peak . Maximum current is 40 amps at 17 mhz .

Measures 2 . 12 inches maximum diameter, and 4 . 62 inches overall length .  4 . 62 inches front mounting flange to rear mounting flange .

Weight is 8 ounces .  Supplied with 1/4 inch diameter shaft . Has permanently mounted 3 hole rear mounting flange . Front 3 hole flange, also supplied, is part of the "puller" .  No additional flanges needed .  Condition is removed from equipment, excellent, checked, and guaranteed .

Price: $189 (Order Now!)


Jennings CVDD-100-15D3035

(Other variations of this capacitor are sometimes available, inquire)
CVDD-100-15D1379                                        CVDD-100-15S
CVDD-100-10N543                                          CVDD-100-10S
CVDD-100-7.5N543                                         CVDD-100-7.5S

Jennings CVDD-100-15D3035 ceramic vacuum variable capacitor.
Rated Capacitance                              10-100 pf
Peak Voltage                                        15 KV
Current Amps (RMS) Maximum        65 amps
Shaft Diameter                                     3/8 inch
Turns for Full Travel Max                   17

Important Dimension
Max length                         6.62 in / 168.15 mm (including shaft)
Max Diameter                    2.44 in / 62 mm
Weight                                26 oz / 737 g

Mounting   6 small drilled and tapped holes for front end mounting and FM1H Flange needed for rear end mounting on this version  
                   See our flange page: http://www.mgs4u.com/Jennings-flanges.htm

Condition   Removed from equipment, checked, and guaranteed.

Manufacturer's datasheet link provided: http://www.jenningstech.com/pdf/cap/capfam/cvdd_100_150.pdf

Price: $195      (Capacitor only) Flanges available at additional cost if desired. (Order Now!)


Jennings type UCSV-110-15S

Jennings type UCSV-110-15S glass vacuum variable capacitor . Rated at 8-110 pf, and 50 amps maximum, RMS . With 1/4 inch diameter shaft . 19 turns for full travel . Maximum diameter is 2 . 88 inches .  Length overall is 4 . 75 inches . Weight is 1 pound . With permanently mounted 3 hole front flange . Rear has 7/8 inch diameter nipple to accept Jennings type FM0B flange, pictured but NOT included . Condition is removed from equipment, checked, and guaranteed .

Price: $195 (capacitor only)     Jennings FM0B rear flange is available at extra cost.

(Order Now!)


Jennings UXHC-150-35S

(Other variations of this capacitor are sometimes available, inquire)

UXHC-150-35S         UXHC-150-45S         UXHC-150-55S

Jennings UXHC-150-35S glass vacuum variable capacitor.
Rated Capacitance                              25-150 pf
Peak Voltage                                        35 KV
Current Amps (RMS) Maximum        60 amps
Shaft Diameter                                     1/4 inch
Turns for Full Travel Max                   39

Important Dimension
          Max length
                        13.94 in / 354.01 mm (including shaft)
          Max Diameter                    5.00 in / 127.00 mm
          Weight                                71.1 oz / 2015.65 g

Mounting                           FM3B Flange needed for front and rear end mounting
                                            See our flange page: http://www.mgs4u.com/Jennings-flanges.htm

Condition                             Removed from equipment, checked, and guaranteed.

Price: $295.00      (Capacitor only) Flanges available at additional cost if desired. ( Order Now! )


Jennings CHV1-200-0007 ceramic gas-filled variable capacitor.

(Other variations of this capacitor are sometimes available, inquire)

EL7.5-200S-333        CHV1-200-0010        CHV1-200-0015

Rated Capacitance                               20-200 pf
Peak Voltage                                         7.5 KV
Current Amps (RMS) Maximum       50 amps @ 16 MHz
Shaft Diameter                                     1/4 inch
Turns for Full Travel Max                  17
Important Dimensions
           Max length                                
7.25 in / 184.15 mm (including shaft)
           Max Diameter                           3.84 in / 97.536 mm
           Weight                                       62.4 oz / 1769.01 g
Mounting: 6 small drilled and tapped holes for front and rear end mounting

Condition: Unused / New, old stock.

Price: $229.00 (Capacitor only)

( Order Now! )


Energy Labs EL7.5-200S-333 ceramic gas-filled variable capacitor.

(Other variations of this capacitor are sometimes available, inquire)

CHV1-200-0015        CHV1-200-0010        CHV1-200-0007
EL15-200S-333         EL10-200S-333

NSN# 5910-00-139-2031

Rated Capacitance                            10-205 pf
Peak Voltage                                     7.5 KV
Current Amps (RMS) Maximum     50 amps @ 16 MHz
Shaft Diameter                                 1/4 inch
Turns for Full Travel Max               17
Important Dimensions:
           Max length                             
7.25 in / 184.15 mm (including shaft)
           Max Diameter                       3.84 in / 97.536 mm
           Weight                                    62.4 oz / 1769.01 g
Mounting: 6 small drilled and tapped holes for front and rear end mounting
Condition: Removed from equipment, checked good.

Price: $195.00 (Capacitor only)
( Order Now! )


Jennings UCSXH-200-35S glass vacuum variable capacitor.

Rated Capacitance                              10-200 pf
Peak Voltage                                       35 KV
Current Amps (RMS) Maximum        45 amps
Shaft Diameter                                     1/2 inch
Turns for Full Travel Max                  40
Important Dimensions
      Max length                                     10.18 in / 258.76 mm (including shaft)
      Max Diameter                                4.5 in / 114.3 mm
      Weight                                             65 oz / 1.84 Kg
Mounting                                               FM3B Flange needed for front end mounting  and
                                                               FM2B Flange needed for rear end mounting                                                                 See our flange page: http://www.mgs4u.com/Jennings-flanges.htm
Condition                                               Removed from equipment, checked, and guaranteed.

Price: $295      (Capacitor only) (Flanges available at additional cost, inquire)
(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 7 AM - 4 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!


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