(24) Vintage NOS Sprague Bumblebee Capacitors - 3.3nF to 4.7nF in 400V & 600V

Description

(24)
Vintage
NOS Sprague Bumblebee Capacitors
–
3.3
nF
(.0033µF)
to 4.7nF (.0047µF)
in 400V & 600V
Lot of (24) Early 1950’s NOS Sprague Black Beauty ‘Bumblebee’ Capacitors -
.0033
µF
to
.0047µF
in 400V (16 ea) and 600V (8 ea).  All have the original extended lead length and appear to be unused New-Old Stock.
All have been tested, with the 400V units
showing stabilized upward drift*
(see below for great info on Bumblebee drift)
and
are now within the .0047
µF
spec; the 600V units show some with very little drift within .0033
µF spec, and others that are now within the .0047µF spec.  All show low or minimal leakage, as well.
The test results are as follows:
Sprague
Value
VDC
Act. µF
Bumblebee
.0033
µF
400V           .0048
µF
Bumblebee             .0033
µF      400V           .0046
µF
Bumblebee             .0033
µF      400V           .0051
µF
Bumblebee             .0033
µF      400V           .0046
µF
Bumblebee             .0033
µF      400V           .0043
µF
Bumblebee             .0033
µF      400V           .0046
µF
Bumblebee             .0033
µF      400V           .0044
µF
Bumblebee             .0033
µF      400V           .0047
µF
Bumblebee             .0033
µF      400V           .0049
µF
Bumblebee             .0033
µF      400V           .0047
µF
Bumblebee             .0033
µF      400V           .0044
µF
Bumblebee             .0033
µF      400V           .0046
µF
Bumblebee             .0033
µF      400V           .0045
µF
Bumblebee             .0033
µF      400V           .0051
µF
Bumblebee             .0033
µF      400V           .0046
µF
Bumblebee             .0033
µF      400V           .0045
µF
Bumblebee             .0033
µF      600V           .0036
µF
Bumblebee             .0033
µF      600V           .0036
µF
Bumblebee             .0033
µF      600V           .0042
µF
Bumblebee             .0033
µF      600V           .0038
µF
Bumblebee             .0033 µF      600V           .0036 µF
Bumblebee             .0033 µF      600V           .0040 µF
Bumblebee             .0033 µF      600V           .0037 µF
Bumblebee             .0047 µF      600V           .0060 µF
The Vintage Lot of 24 NOS Bumblebee Capacitors are being offered here at a reasonable ‘Buy It Now’ price - or Make An Offer!!  Please contact me if any questions.  Best of luck to all!  Stay tuned for more vintage stuff coming soon!!
* For a great read on Vintage Capacitor ‘Drift’, go to
creamtone dot com
website
/blogs/lonnies-blog/
so-what-exactly-are-vintage-drifted-capacitors-and-why-would-i-want-th
em
(sorry, I can’t put in a direct link as it’s not allowed by ebay)