Surface Mount & Through-Hole Multilayer Ceramic Chip Stacked Capacitors
KPS MIL Series, SMPS Stacked Capacitors, MIL-PRF-49470,
DSCC 87106, 50VDC–500VDC (Commercial, Military, & Space Grades)
Overview
KEMET Power Solutions (KPS) MIL Series ceramic stacked
printed circuit board (PCB) while establishing a parallel circuit
capacitors are available in commercial, military and space grades configuration. Mechanically isolating the capacitors from the PCB
and are well suited for standard and high reliability switch mode
power supply (SMPS) and pulse energy applications. Qualified
improves mechanical and thermal stress performance, while the
parallel circuit configuration allows for bulk capacitance in the
under performance specification MIL-PRF-49470, our military and same or smaller design footprint.
space grade products meet or exceed the requirements outlined
by DSCC (Defense Supply Center, Columbus) and are available
in both B (standard reliability) & T (high reliability) product levels.
MIL-PRF-49470 was developed as part of a cooperative effort
between the U.S. Military, NASA and SMPS suppliers to produce
a robust replacement to cancelled DSCC Drawing 87106.
Available in BX, BR, BQ, and X7R dielectrics, these devices
are available in encapsulated and unencapsulated styles
in both surface mountable and through-hole configurations.
Their low Equivalent Series Resistance (ESR) and Equivalent
Series Inductance (ESL) make them ideally suited for input and
output filtering of power supply as well as snubber applications.
The encapsulated styles are primarily used where increased
mechanical and environmental protection is required, such as in
avionics systems.
The KPS MIL Series is constructed using large chip multilayer
ceramic capacitors (MLCCs), horizontally stacked and secured
to a lead-frame termination system using a high melting point
(HMP) solder alloy. The lead frame isolates the MLCCs from the
Benefits
Applications
• -55°C to +125°C operating temperature range
• High frequency performance
• Military
• Space
• Industrial
• Bulk capacitance in a reduced footprint
• MIL-PRF-49470 QPL
• Military Case Codes 3, 4 and 5
• Space Grade available (“T” Level)
• DSCC approved (87106)
• Input and output filtering on power supplies – often found on
“capacitor banks“
• Snubber circuits
• Radar filtering (28V/microwave burst)
• Commercial/Industrial Grade available
• Customer specific requirements available
• Low ESR and ESL
• High thermal stability
• High ripple current capability
• Higher reliability than aluminum electrolytic or tantalum
• Available encapsulated or unencapsulated
One WORLD
One Brand
One Strategy
One Focus
One Team
One KEMET
© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 (864) 963-6300 • www.kemet.comC1031_KPS_SMPS_49470_STACKS • 8/10/2011
1