Glass Dielectric Caps
Index
Introduction
Capacitor Military Cross Reference and Alphabetical Parts Listing .................................................................2
Glass/Glass-K Selector Guide ...........................................................................................................................3
Glass Capacitor Introduction
...........................................................................................................4, 5
Performance Curves ......................................................................................................................................6, 7
Glass Capacitors
CY10, 15 ........................................................................................................................................................8, 9
CY06, 07, 08 ..............................................................................................................................................10, 11
CYFR10, 15 ...............................................................................................................................................12, 13
CYR10, 15..................................................................................................................................................14, 15
CYR51, 52, 53 ...........................................................................................................................................16, 17
Elevated Temperature (ET Series)
Introduction......................................................................................................................................................18
Performance Curves ........................................................................................................................................19
Axial Lead ..................................................................................................................................................20, 21
Radial Lead ................................................................................................................................................22, 23
Glass-K Introduction
.................................................................................................................................24
Performance Curves ........................................................................................................................................25
Glass-K Capacitors
CK31, 32 ....................................................................................................................................................26, 27
CKR31, 32 .................................................................................................................................................28, 29
Elevated Temperature (ET Series)
Introduction......................................................................................................................................................30
Performance Curves ........................................................................................................................................31
Miniature ET Glass-K.................................................................................................................................32, 33
Distributors........................................................................................................................................Back Cover
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Contact:
AVX Corporation
A Kyocera Group Company
P.O. Box 867
Myrtle Beach, SC 29577
Tel: (843) 448-9411
FAX: (843) 448-1373
AVX Corporation
A Kyocera Group Company
3900 Electronics Drive
Raleigh, NC 27604
Tel: (919) 878-6200
FAX: (919) 878-6236
(919) 878-6218
AVX/Kyocera: your source for multilayer capacitors, glass capacitors, and tantalum capacitors.
See other MLC parts in AVX’s standard Leaded and Chip catalogs.
1
Glass Capacitors
Introduction
INTRODUCTION
For the 1% of designs where you can’t stand failures:
In most types of electronic equipment, the occasional failure
of a capacitor is tolerable – though it is inconvenient and
often costly. For these applications, an acceptable level of
reliability is provided by many of the excellent types of capac-
itors available today.
But in a few designs you can’t stand failures –
satellite
systems, undersea cable repeaters, mountaintop microwave
relay stations, to name just a few. For these designs AVX
glass capacitors may be the optimum choice.
Where reliability is critical and replacement of a failed part is
not possible or practical, consider glass capacitors.
Where stability is essential, even in severe environments,
consider glass capacitors.
Glass capacitors have experienced over four decades of
usage in some of America’s most demanding circuit applica-
tions. Among these are:
TDRSS
GOES
Cassini
Mercury
Gemini
Titan II
Saturn IV
Trident
Space Shuttle
Galileo
Matrix
Hubble Space Telescope
Phalnyx
Standard Missile
Minuteman Missile
AWACS
Delta II
MK-46 Torpedo
OVER 4 DECADES OF MAJOR
PROGRAM EXPERIENCE
RELIABILITY
AVX Glass capacitors are qualified to MIL-C-11272 and
MIL-C-23269, failure rate levels M and S.
For the maximum in reliability, AVX makes the CYFR series,
designed to Minuteman specifications. The CYFR series
glass capacitors meet or exceed all requirements of AVX
specifications J-950 and J-951, available on request.
The reasons for the high reliability of glass capacitors are
straightforward.
• Simple construction — few things to go wrong.
• Glass dielectric — one of the most stable, inert materials
available.
• Thorough inspection — every glass capacitor is individual-
ly inspected during production. This testing includes visual
inspection, capacitance check, rated voltage check, and
hermetic seal check (for glass case types).
AVX glass capacitors have been used in virtually all critical
military and space programs for the past twenty-five years.
Increasingly, they are also being used in non-military appli-
cations where failures can’t be tolerated and circuit perform-
ance is critical.
STABILITY
Capacitor stability, or lack of it, is an inherent characteristic
of the dielectric used. Few materials can match glass for sta-
bility, and few companies can match AVX Corporation for
glass technology.
Glass doesn’t corrode or degrade in any way. Glass is not
subject to microfractures, delaminations, and other prob-
lems associated with certain crystalline materials. In addition,
axial glass capacitors are hermetically encased in glass, with
a true glass-to-metal seal at the leads. This construction is
practically immune to severe environmental effects such as
shock, vibration, radiation resistance, moisture, salt spray,
and solder heat.
RADIATION RESISTANCE
The unique materials and construction techniques involved
with glass capacitors make them ideal for use in radiation
environments. After a total dose of nearly 10
8
rads (H
2
O)
glass capacitors exhibit only a minor change in capacitance.
(≤.5%) and an 8% change in dissipation factor. Furthermore,
glass capacitors can operate in fast neutron flux environ-
ments of 1 x 10
15
cm
-2
sec
-1
and experience little or no damage
in component parameters.
PREDICTABILITY
The dielectric is formed as a continuous ribbon of glass.
Physical and electrical properties and dimensions are pre-
cisely controlled.
This results in every AVX glass capacitor being just like every
other, part-to-part, and lot-to-lot. Couple this built-in pre-
dictability with complete performance specifications and you
know what performance to expect before the first prototype
is built.
CONSTRUCTION
Simplicity is the key to reliable construction. There are only
three materials in axial glass capacitors: glass dielectric and
case, aluminum foil electrodes, and wire leads. (Radial
capacitors have a molded case.)
The leads are welded to the electrodes so there are no pres-
sure connections to come loose and no solder connections
to melt.
PERFORMANCE
Quality control and simplicity of design mean that AVX glass
capacitors are close to being a “perfect circuit symbol
capacitance.” Here is what you get with AVX glass capaci-
tors:
• Nuclear Radiation Resistance
• Zero Aging Rate
• High Q Factor
• Large RF Current Capability
• No Piezoelectric Noise
• Low Dielectric Absorption
• ±5ppm Temperature Coefficient Retraceability
• High Breakdown Voltage
• Zero Voltage Coefficient
Specific electrical performance details are given in the AVX
Glass and Glass-K Designers’ Handbook.
The following glass capacitors are described in this
brochure:
Qualified to MIL-C-11272, standard military specification,
and used in industrial applications:
CY10, CY15 — Axial Leads
CY06, CY07, CY08 — Radial Leads
Qualified to MIL-C-23269, established reliability specifica-
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