Tan talum S ur fac e M oun t C apaci to r s Au to motive G rade
T491 Automotive/Industrial Grade MnO
2
Overview
The KEME T T491, designed specifically for today s highly time at 30C / 85% RH. The T491 standard terminations
automated sur face mount processes and equipment, is are available in 100% matte tin and provide excellent wetting
the leading choice for sur face mount designs. The T491 characteristics and compatibility with today 's sur face mount
combines KEME Ts proven solid tantalum technology,
solder systems. Tin/lead (Sn/Pb) terminations are available
acclaimed and respected throughout the world, with the
upon request for any par t number. Gold-plated terminations
latest in materials, processes, and automation, resulting
are also available for use with conductive epoxy attachment
in unsurpassed total per formance and value. This product
processes. The symmetrical terminations offer total
meets or exceeds the requirements of EI A standard
compliancy to provide the thermal and mechanical stress
535BAAC. The physical outline and dimensions of T491
relief required for today 's technology. Standard packaging
conform to this global standard. Low profile case sizes are
of these devices is Tape & Reel in accordance with EI A 481.
available. This series is classified as moisture sensitivity
This system provides per fect compatibility with all tape-fed
level (MSL) 1 under J STD 020, with unlimited floor life
placement units.
Benefits
Meets or exceeds EIA standard 535BAAC
Tape & Reel standard packaging per EIA 481
Symmetrical, compliant terminations
Optional gold-plated terminations
Laser-marked case
100% surge current test
Extended range values
L ow p r o fi l e c as e sizes
Applications
Typical applications include decoupling and filtering in automotive end applications such as DC/DC conver ters, por table
electronics, telecommunications, and control units.
Environmental Compliance
RoHS compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder, Gold-plated or Non-magnetic
100% Sn solder.
Hal o g e n - fr e e
Epoxy compliant with UL94 V-0
M o l d e d E p ox y c o m p lies fo r o u tgas si n g tes ti n g u n d e r A S T M E 5 95.
One world. One KEMET
KEMET Electronics Corporation KEMET Tower One East Broward Boulevard T2050_T491_AUTO 5/28/2020 1
Fort Lauderdale, FL 33301 USA 954-766-2800 www.kemet.comTantalum Surface Mount Capacitors Automotive Grade
T491 Automotive/Industrial Grade MnO
2
K-SIM
For a detailed analysis of specific par t numbers, please visit ksim.kemet.com to access KEME Ts K-SIM software. KEME T
K-SIM is designed to simulate behavior of components with respect to frequency, ambient temperature, and DC bias levels.
Ordering Information
T 491 X 157 K 020 A T AUTO
Rated Failure
Capacitor Case Capacitance Capacitance Packaging
Series Voltage Rate/ Termination Finish C-Spec 1
Class S i z e Code (pF) Tolerance (C-Spec)
(VDC) Design
T = Industrial A First two K = 10% 2R5 = 2.5 A = T = 100% Matte tin (Sn)-plated AUTO = Blank = 7"
Tantalum B digits M = 20% 003 = 3 N /A H = S t a n d a r d s o l d e r c o a t e d Automotive reel
C represent 004 = 4 (SnPb 5% Pb minimum) grade 7280 = 13"
D s ig n i fi c an t 006 = 6.3 G = G o l d - p l a t e d ( A , B , C , D , X o n l y) AUTO = reel
E fi g u r e s . T h i r d 010 = 10 N = N o n - m a g n e t i c 10 0 % t i n (S n) A E C Q 2 0 0
S d i g i t s p e c i fi e s 016 = 16 M = N o n - m a g n e t i c (S n P b) c e r ti fi c a ti o n
T n u m b e r o f 020 = 20
U z e r o s . 025 = 25
V 035 = 35
X 050 = 50
Performance Characteristics
Item Performance Characteristics
Operating Temperature 5 5 C t o 12 5 C
Rated Capacitance Range 0.1 4 7 0 F a t 12 0 H z / 2 5 C
Capacitance Tolerance K tolerance (10%), M tolerance (20%)
Rated Voltage Range 4 5 0 V
D F (12 0 H z) R e f e r t o P a r t N u m b e r E l e c t r i c a l S p e c i fi c a t i o n Ta b l e
E S R (10 0 k H z) R e f e r t o P a r t N u m b e r E l e c t r i c a l S p e c i fi c a t i o n Ta b l e
Leakage Current 0.0 1 C V ( A ) a t r a t e d v o l t a g e a f t e r 5 m i n u t e s
KEMET Electronics Corporation KEMET Tower One East Broward Boulevard T2050_T491_AUTO 5/28/2020 22
Fort Lauderdale, FL 33301 USA 954-766-2800 www.kemet.com