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OLIVE GREEN HV Disc Ceramic Capacitor (1) 22pF 400V NEW Old Stock (Tested)

$0.25
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New
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9 units
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Oh Dear! This item has been sold but take a look around for other similar items

HISTORY:

Sustainability is the name of the game! Anything (that has been tested and still functioning properly) should be repurposed creating saving in wasted Ee and reducing the poisoning our environment when items are buried in the earth at the local tip needlessly.

 

Never heard of Ee? It is a concept that creates a measurement of ALL things (not just electronics) that humans have made and the energy used in obtaining the raw material, processing the materials right through to a finished product and even should include the shipping of the item to the distributors/retailers.

If you would like to know more about Ee values, please take a look HERE

 

NEW OLD stock from my workshop yonks ago, back in the days of valves with +300V B rails

It is a long time ago but I think I had these for some valve based RF projects, the values are very small

 

It is time for me to clear out EVERYTHING I have amassed over the years, both personal interest and professionally, so these caps are looking for a "purpose in life!"

 

MANUFACTURER UNIDENTIFIED - Disc Ceramic Capacitor

Olive Green Series

Value: 22pF

These are all reading high, see my measurements below ...

Voltage: 400V DC **

** These MAY be 630V but in the absence of a voltage rating marked on the body, I am playing safe with 400V DC. Ceramic capacitors didn't really have great markings standards but I see some manufacturers (Shanwa for example) used a body colour of Green to indicate 630V DC

Temperature Coefficient: N750 (-750 ppm/°C)

Tolerance: not stated

Radial leads

IDENTIFICATION ON THE BODY

22

N750

No other markings or colour coding is used on the body

 

DIMENSIONS:

Body: 2.75mm thickness x 6.95mm diameter

Leads: 27mm Length x 0.6mm diameter tinned wire

 

COSMETIC CONDITION:

NEW

OLD stock

CLEAN

Leads have a 'dull shine' meaning that some oxidisation has occurred but they will still remain fine for soldering, even without a "brush up"

 

TESTING:

Wherever possible I like to test OLD components, even when they are 'new'

Lowest: 24pF (1)

25pF (7)

Highest: 26pF (1)

 

 

These measurements indicate that all of these capacitors measure on the high side of the stated value. I cannot say if they are "out of tolerance" as no tolerance value is indicated but if you took an average disc ceramic of 20% tolerance, then these are fine with respect to 22pF

 

*** Where the photograph shows multiple capacitors, this advertisement price is for ONE capacitor only - not all that are shown ***

 

NEW Old Stock