CDE CDEC122DOYM High - reliability, mica capacitor Datasheet

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CAPACITORS ARE IDEAL FOR HIGH GRADE GROUND AIR
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CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830• www.cde.com
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Specifications
is within tolerance
when measured at these frequencies:
1–1000 pF @ 1 MHz
> 1000 pF @ 1 kHz
Dissipation Factor limits are be­
low. Measure dissipation factor at 1
MHz when the capacitance is 1 pF to
1,000 pF, and at 1 kHz when the ca­
pacitance is greater than 1,000 pF. Dis­
sipation factor is equal to DF = 2πfRC,
where f is the test frequency, R is the
equivalent series resistance, and C is
the capacitance. For other capacitance
values, see Figure 1.
Capacitance
Dissipation Factor
100–1000 pF
1100–3300 pF
3600–9100 pF
10,000 pF
0.00075 max at 1 MHz
0.0014 max at 1 kHz
0.0013 max at 1 kHz
0.0012 max at 1 kHz
Quality Factor (Q) is the re­
ciprocal of dissipation factor.
Insulation Resistance for ca­
pacitances up to 10,000 pF is greater
than 100 GŸ at 25 °C, greater than 10
G Ÿ at 125 °C, and greater than 5 GŸ at
150 °C. For other capacitance values
and temperatures, see Figure 2.
Withstanding Voltage is two
times the rated voltage, and can be ap­
plied up to 5 seconds without damage.
Temperature Coefficient and
Capacitance Drift: Measure the
capacitors’ capacitance at 25 °C, –55 °C,
25 °C, 125 °C (or 150 °C) and at 25 °C af­
ter stabilizing at each temperature. The
capacitance will meet the limits of the
Characteristic table shown in Ordering
Information.
High-Voltage Stabilization: We
subject capacitors with Failure Levels
M, P, and R to a burn-in at twice-rated
voltage, at rated temperature, for a
minimum of 48 hours. Capacitors that
show damage, arcing, breakdown, or
low IR are removed. We reject the lot if
more than 8% of the capacitors fail.
10
1,000
DISSIPATION FACTOR
Marking of capacitors conforms to
method I of MIL-STD-1285, and in­
cludes the type designation, “JAN,”
brand, trademark, source code, date
code, rated voltage, capacitance, ca­
pacitance tolerance, and highest rated
temperature. Small capacitors are
marked with the letter “J.”
Life Test: Subject the capacitors to
maximum operating temperature
(+125 °C or +150 °C) with 1.5 times rated
voltage applied for 10,000 hours. Take
readings and make visual observations
Maximum dissipation factor
at 1 kHz for capacitance
values greater than 1,000 pF
100
Capacitors will meet the requirements
of MIL-STD-202, Method 210 Test Con­
dition G. Immerse capacitor leads to
within .250 inches (6.4 mm) of the body
in molten tin/lead solder (260 °C±5 °C)
for 10±2 seconds. Allow to cool. Capaci­
tors will meet the after-test limits on
the following page.
steam aging, coat leads with a rosin
flux (R) and immerse in molten
245 °C ±5 °C 60/40 tin/lead solder. Solder
coverage will be no less than 95%
when examined at 10X magnification.
.001
1
Resistance to Soldering Heat:
Solderability: After an 8-hour
.01
.0001
Resistance to Solvents: Subject
the capacitors to three cycles of 3­
minute immersion in solvent, 10 strokes
with bristle brush and, where appli­
cable, 1/2 minute in vapor, per MIL-STD­
202, Method 215. Repeat the three
cycles for three solvent mixtures: Iso­
propyl alcohol mixture (Solvent 1),
azeotrope mixture (Solvent 3), and
water/propylene-glycol mixture (Sol­
vent 4). The marking will not rub off or
smear and there will be no visible dam­
age to the capacitor body. Refer to MIL­
STD-202 for details.
have specified failure rate levels rang­
ing from 0.01% to 1.0% per 1,000
hours. The failure rate level is estab­
lished at a 90% confidence level and is
referred to operational life at full-rated
voltage at maximum-rated tempera­
ture.
.10
Maximum dissipation factor
at 1 MHz for capacitance
values of 1,000 pF or less
every 2,000 hours. There will be no
visual damage and the capacitors will
meet the after-test limits on the following page.
Failure Rate: Type CMR capacitors
10,000
CAPACITANCE (pF)
Figure 1. DF vs. Capacitance
100,000
INSULATION RESISTANCE (MEGOHMS)
Capacitance
+25°C
100,000
+85°C
+125°C
10,000
+150°C
1,000
100
5 10
100
1,000
10,000
62,000
CAPACITANCE (pF)
Figure 2. IR vs. Capacitance
CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830• www.cde.com
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Temp. Coeff.
Capacitance
Drift
ppm/°C
–200 to +200
±(0.5% +0.1pF)
–20 to +100
±(0.1% +0.1pF)
–200 to + 70
±(0.05% +0.1pF)
Standard
Cap. Range
1 – 18 pF
20 – 82 pF
91 pF and up
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CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8561•Fax: (508)996-3830• www.cde.com
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