L1QK502754KS12 datasheet, PDF - EEWORLD Datasheet

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L1QK502754KS12: DescriptionCeramic Capacitor, Ceramic,; CategoryPassive components capacitor; File Size594KB，24 Pages; ManufacturerKEMET; Websitehttp://www.kemet.com

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L1QK502754KS12 Overview

Ceramic Capacitor, Ceramic,

L1QK502754KS12 Parametric

Parameter Name	Attribute value
Objectid	1592305183
package instruction	,
Reach Compliance Code	compliant
Capacitor type	CERAMIC CAPACITOR
dielectric materials	CERAMIC
Number of terminals	2

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Surface Mount and Through-Hole Multilayer Ceramic Chip Stacked Capacitors

KPS MIL Series, SMPS Stacked Capacitors,

MIL–PRF–49470, DSCC 87106, 25 – 1,000 VDC

(Commerical, Military and Space Grades)

Overview

KEMET Power Solutions (KPS) MIL Series ceramic

stacked capacitors are available in commercial, military

and space grades and are well suited for standard and

high reliability switch mode power supply (SMPS) and

pulse energy applications. Qualified under performance

specification MIL–PRF–49470, our military and 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.

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 printed circuit board (PCB) while

establishing a parallel circuit configuration. Mechanically

isolating the capacitors from the PCB improves mechanical

and thermal stress performance, while the parallel circuit

configuration allows for bulk capacitance in the same or

smaller design footprint.

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.

Benefits

• −55°C to +125°C operating temperature range

• High frequency performance

• 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)

• 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

Applications

• Military

• Space

• Industrial

• Input and output filtering on power supplies – often found

on “capacitor banks“

• Snubber circuits

• Radar filtering (28 V/microwave burst)

One world. One KEMET

C1031_KPS_SMPS_49470_STACKS • 3/6/2017

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