X7R dielectric features a 125°C maximum operating temperature
and is considered “temperature stable,” The Electronics
Industries Alliance (EIA) characterizes X7R dielectric as a
Class II material. Components of this classification are fixed,
ceramic dielectric capacitors suited for bypass and decoupling
applications or for frequency discriminating circuits where Q
and stability of capacitance characteristics are not critical. X7R
exhibits a predictable change in capacitance with respect to time
and voltage and boasts a minimal change in capacitance with
reference to ambient temperature. Capacitance change is limited
to ±15% from -55°C to +125°C.
Benefits
•
•
•
•
•
•
AEC–Q200 automotive qualified
-55°C to +125°C operating temperature range
Lead (Pb)-Free, RoHS and REACH compliant
Temperature stable dielectric
EIA 0402, 0603, 0805, 1206, 1210, 1812, and 2220, case sizes
DC voltage ratings of 6.3 V, 10 V, 16 V, 25 V, 50 V, 100 V,
200 V, and 250 V
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Ordering Information
C
Ceramic
0805
C
225
Capacitance
Code (pF)
Two significant
digits + number
of zeros.
M
4
R
A
C
AUTO
Packaging/Grade
(C-Spec)
3
AUTO = 7" Reel
AUTO 7411 = 13"
Reel/Punched Paper
AUTO 7210 = 13"
Reel/Embossed
Plastic
Case Size Specification/
(L" x W")
Series
0402
0603
0805
1206
1210
1812
2220
C = Standard
Failure Rate/
Capacitance
Rated Voltage
Termination Finish
1
Dielectric
Design
Tolerance
(VDC)
J = ±5%
K = ±10%
M = ±20%
9 = 6.3
8 = 10
4 = 16
3 = 25
5 = 50
1 = 100
2 = 200
A = 250
R = X7R
A = N/A
C = 100% Matte
Sn
Additional termination finish options may be available. Contact KEMET for details
Additional reeling or packaging options may be available. Contact KEMET for details.
3
Reeling tape options (Paper or Plastic) are dependent on capacitor case size (L"x W") and thickness dimension. See "Chip Thickness/Packaging Quantities" and
"Tape & Reel Packaging Information" sections of this document.
3
For additional Information regarding "AUTO" C-Spec options, see "Automotive C-Spec Information" section of this document.
3
All Automotive packaging C-Specs listed exclude packaging of laser mark components. Please contact KEMET if you require a laser marked option.
(5 ±1 seconds and charge/discharge not exceeding 50 mA)
See Dissipation Factor Limit Table
See Insulation Resistance Limit Table
(Rated voltage applied for 120 ±5 seconds at 25°C)
Parameters/Characteristics
Regarding aging rate: Capacitance measurements (including tolerance) are indexed to a referee time of 1,000 hours.
To obtain IR limit, divide MΩ-µF value by the capacitance and compare to GΩ limit. Select the lower of the two limits.
Capacitance and dissipation factor (DF) measured under the following conditions:
1 kHz ±50 Hz and 1.0 ±0.2 Vrms if capacitance ≤ 10 µF
120 Hz ±10 Hz and 0.5 ±0.1 Vrms if capacitance >10 µF
Note: When measuring capacitance it is important to ensure the set voltage level is held constant. The HP4284 and Agilent E4980 have a feature known as
Automatic Level Control (ALC). The ALC feature should be switched to "ON."
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