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CMR03F111JOYR

Type CMR , High-Reliability, Mica Capacitors

Cornell Dubilier Electronics 

Type CMR , High-Reliability, Mica Capacitors

Specifications

Capacitance is within tolerance when

measured at these frequencies:

1 - 1000 pF @ 1 MHz

> 1000 pF @ 1 Khz

Dissipation Factor limits are below.

Measure dissipation factor at 1 MHz

when the capacitance is 1 pF to 1000

pF, and at 1 kHz when the capacitance

is greater than 1000 pF. Dissipation

factor is equal to DF = 2pfRC, where f

is the test frequency, R is the equivalent

series resistance, and C is the capaci-

tance. For other capacitance values,

see Figure 1.

Capacitance Dissipation Factor

100-1000 pF 0.00075 max at 1 MHz

1100-3300 pF 0.0014 max at 1 kHz

3600-9100 pF 0.0013 max at 1 kHz

10,000 pF 0.0012 max at 1 kHz

Quality Factor (Q) is the reciprocal of

dissipation factor.

Insulation Resistance for capacitanc-

es up to 10,000 pF is greater than 100

G. at 25 ºC, greater then 10 G. at 125

ºC, and greater than 5 G. at 150 ºC. For

other capacitance values and tempera-

tures, see Figure 2.

Withstanding Voltage is two times

the rated voltage, and can be applied

up to 5 seconds without damage.

Temperature Coefficient and Capaci-

tance Drift measure the capacitors’

capacitance at 25 ºC, -55 ºC, 25 ºC, 125 ºC

(or 150 ºC) and at 25 ºC after stabilizing

at each temperature. The capaciance

will meet the limits of the Characteristic

table shown in Ordering Information.

Failure Rate: Type CMR capacitors have

specified failure rate levels ranging from

0.01% to 1.0% per 1000 hours. The fail-

ure rate level is established at 90% confi-

dence level and is referred to operation-

al life at full rated voltage at maximum

rated temperature.

High Voltage Stabilization: We sub-

ject 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 dam-

age, arcing, breakdown, or low IR are

removed. We reject the lot if more then

8% of the capacitors fail.

Solderability: After an 8-hour steam

aging, coat leads with a rosin flux (R)

and immerse in molten 245 ºC ±5 ºC

60/40 tin/lead solder. Solder coverage

will be no less than 95% when examined

at 10X magnification.

Life Test: Subject the capacitors to

maximum operating temperature (+125

ºC or +150 ºC) with 1.5 times rated volt-

age applied for 10,000 hours. Take

readings and make visual observations

every 2000 hours.

There will be no visual damage and the

capacitors will meet the after-test limits

on the following page.

Resistance to Solvents: Subject the

capacitors to three cycles of 3 minute

immersion in solvent, 10 strokes with

bristle brush and, where applicable,

½ minute in vapor, per MIL-STD-202,

Method 215. Repeat the three cycles for

three solvent mixtures: Isolpropyl alchol

mixture (Solvent 1), azeotrope mixture

(Solvent 3), and water/propylene-glycol

mixture (Solvent 4). The marking will

not rub off or smear and there will be no

visible damage to the capacitor body.

Refer to MIL-STD-202 for details.

Resistance to Soldering Heat: Capac-

itors will meet the requirements of MIL-

STD-202, Method 210 Test Condition G.

Immerse capacitor leads to within .250

inches (6.4 mm) of the body in molten

tin/lead solder (260 ºC ±5 ºC) for 10 ±2

seconds. Allow to cool. Capacitors will

meet the after-test limits on the follow-

ing page.

Marking of capacitors conforms to

method I of MIL-STD-1285, and includes

the type designation, “JAN,” brand,

trademark, source code, date code, rat-

ed voltage, capacitance, capacitance

tolerance, and the highest rated tem-

perature. Small capacitors are marked

with the letter “J”.

CDE Cornell Dubilier•1605 E. Rodney French Blvd.•New Bedford, MA 02744•Ph: (508)996-8564•Fax: (508)996-3830• www.cde.com

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