Surface Mount Multilayer Ceramic Chip Capacitors (SMD MLCCs)
High Temperature 150°C, X8L Dielectric, 10 – 50 VDC
(Commercial & Automotive Grade)
Overview
KEMET’s X8L dielectric features a 150°C maximum operating
temperature and is considered “general purpose high
temperature.” These components are fixed, ceramic dielectric
capacitors suited for high temperature bypass and decoupling
applications or frequency discriminating circuits where Q and
stability of capacitance characteristics are not critical. X8L
exhibits a predictable change in capacitance with respect to time
and voltage and boasts a minimal change in capacitance with
reference to ambient temperature up to 125°C. Beyond 125°C
X8L displays a wider variation in capacitance. Capacitance
change is limited to ±15% from -55°C to +125°C and +15, -40%
from 125°C to 150°C.
Driven by the demand for a more robust and reliable
component, X8L dielectric capacitors were developed for critical
applications where reliability at higher operating temperatures
are a concern. These capacitors are widely used in automotive
circuits as well as general high temperature applications.
Concerned with flex cracks resulting from excessive tensile and
shear stresses produced during board flexure and thermal cycling?
These devices are available with KEMET's Flexible termination
technology which inhibits the transfer of board stress to the rigid
ceramic body, therefore mitigating flex cracks which can result
in low IR or short circuit failures. Although flexible termination
technology does not eliminate the potential for mechanical damage
that may propagate during extreme environmental and handling
conditions, it does provide superior flex performance over standard
termination systems.
In addition to commercial grade, automotive grade devices
are available and meet the demanding Automotive Electronics
Council's AEC–Q200 qualification requirements.
Ordering Information
C
Ceramic
1210
Case Size
(L" x W")
0402
0603
0805
1206
1210
X
Specification/
Series
1
C = Standard
X = Flexible
Termination
106
Capacitance
Code (pF)
2 Significant
Digits + Number
of Zeros
K
Capacitance
Tolerance
J = ±5%
K = ±10%
M = ±20%
8
Voltage
8 = 10 V
3 = 25 V
5 = 50 V
N
Dielectric
N = X8L
A
C
TU
Packaging/Grade
(C-Spec)
3
Blank = Bulk
TU = 7" Reel
Unmarked
TM = 7" Reel Marked
AUTO = Automotive
Grade 7" Reel
Unmarked
Failure Rate/
Termination Finish
2
Design
A = N/A
C = 100% Matte Sn
L = SnPb (5%
minimum)
The flexible termination option is not available on EIA 0402 case size product. "C" must be used in the 6th character position when ordering this case size.
Additional termination finish options may be available. Contact KEMET for details.
2, 3
SnPb termination finish option is not available on Automotive Grade product.
3
Additional reeling or packaging options may be available. Contact KEMET for details.
(5 ±1 seconds and charge/discharge not exceeding 50 mA)
3.5% (10 V) and 2.5% (25 V and 50 V)
500 megohm microfarads or 10 GΩ
(Rated voltage applied for 120 ±5 seconds @ 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.
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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