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T551B476K050AT42527200

Description
Tantalum Capacitor, Tantalum (solid Polymer),
CategoryPassive components    capacitor   
File Size956KB,16 Pages
ManufacturerKEMET
Websitehttp://www.kemet.com
Download Datasheet Parametric View All

T551B476K050AT42527200 Overview

Tantalum Capacitor, Tantalum (solid Polymer),

T551B476K050AT42527200 Parametric

Parameter NameAttribute value
Objectid7263065073
package instruction,
Reach Compliance Codecompliant
ECCN codeEAR99
YTEOL7.5
Other featuresESR IS MEASURED AT 100KHZ, RIPPLE CURRENT IS MEASURED AT 40KHZ, 85CEL
capacitance47 µF
Capacitor typeTANTALUM CAPACITOR
diameter7.09 mm
dielectric materialsTANTALUM (SOLID POLYMER)
ESR150 mΩ
leakage current0.0176 mA
length16.51 mm
Installation featuresTHROUGH HOLE MOUNT
negative tolerance10%
Number of terminals2
Maximum operating temperature125 °C
Minimum operating temperature-55 °C
Package formAxial
method of packingTR
polarityPOLARIZED
positive tolerance10%
Rated (DC) voltage (URdc)50 V
ripple current1350 mA
surface mountNO
Delta tangent0.05
Terminal shapeWIRE
Tantalum Polymer Capacitors – Hermetically Sealed
T551 Axial & T556 Surface Mount 125°C
Overview
The T551 axial leaded and T556 surface mount polymer
hermetically sealed (PHS) devices are tantalum capacitors
with a Ta anode and Ta
2
O
5
dielectric. A conductive,
organic polymer replaces the traditionally used MnO
2
or
wet electrolyte as the cathode plate of the capacitor. The
result is very low ESR and improved capacitance retention
at high frequency and low temperature. The PHS device
also exhibits a benign failure mode, which eliminates the
case breach that can occur in wet tantalum capacitors.
Additionally, the part may be operated at voltages up to
80% of rated voltage, with equivalent or better reliability
than traditional MnO
2
or wet tantalum capacitors operated
at 50% of rated voltage.
PHS capacitors molded also offer higher ripple current
handling capability and a lower ESR range than wet
tantalums. With reduced ESR and enhanced capacitance
retention at higher frequencies and low temperatures, these
parts provide the highest total capacitance and the most
economical solution for high power applications, all within an
approximately 25% lighter package than the equivalent wet
tantalum capacitor.
Benefits
• Includes F-Tech anode, which eliminates hidden defects in
the dielectric
• 100% simulated breakdown screening
• Maximum operating temperature of +125°C
• Polymer cathode technology
• ≤ 0.0075 CV (µA) at rated voltage after 5 minutes
• Extremely low ESR
• High frequency and low temperature capacitance retention
• 100% constant voltage conditioning (240 hours)
• 100% surge current tested
• Volumetrically efficient
• Use at up to 80% of rated voltage
• Non-ignition failure mode
• Approximately 25% lighter than equivalent wet tantalum
• T551 case dimensions equivalent to
MIL-PRF-39006/22/25/30/31
• T556 surface mount design (see dimensions diagram)
One world. One KEMET
© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
T2072_T551 • 3/31/2020
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