Tantalum Surface Mount Capacitors Standard Tantalum T491 Series Industrial Grade MnO 2 Overview The KEMET T491 Series, designed specifically for todays highly floor life time at 30C / 85% RH. The T491 standard terminations automated surface mount processes and equipment, is the are available in 100% matte tin and provide excellent wetting leading choice for surface mount designs. The T491 combines characteristics and compatibility with today s surface mount solder KEMETs proven solid tantalum technology, acclaimed and systems. Tin/lead (Sn/Pb) terminations are available upon request respected throughout the world, with the latest in materials, for any part number. Gold-plated terminations are also available processes and automation, resulting in unsurpassed total for use with conductive epoxy attachment processes. Standard performance and value. This product meets or exceeds the packaging of these devices is tape and reel in accordance with requirements of EIA standard 535BAAC. This series is classified EIA 481. This system provides perfect compatibility with all tape- as MSL (Moisture Sensitivity Level) 1 under J STD 020: unlimited fed placement units. Benefits Meets or exceeds EIA Standard 535BAAC Taped and reeled per EIA 481 Symmetrical, compliant terminations Optional gold-plated terminations Laser-marked case 100% surge current test on C, D, E, U, V, X sizes Halogen free epoxy Capacitance 0.1 F to 1,000 F Tolerance 10%, 20% Voltage 2.5 50 VDC Extended range values Low pr ofi le c ase sizes RoHS Compliant and lead-free terminations (See www.kemet.com for transition information) Operating temperature: -55C to +125C Applications Typical applications include decoupling and filtering in industrial and automotive end applications such as DC/DC converters, portable electronics, telecommunications, and control units. Environmental Compliance RoHS Compliant (6/6) according to Directive 2002/95/EC when ordered with 100% Sn solder. One world. One KEMET KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 (864) 963-6300 www.kemet.com T2005 T491 2/27/2015 1Tantalum Surface Mount Capacitors Standard Tantalum T491 Series Industrial Grade MnO 2 SPICE For a detailed analysis of specific part numbers, please visit www.kemet.com for a free download of KEMET s SPICE software. The KEMET SPICE program is freeware intended to aid design engineers in analyzing the performance of these capacitors over frequency, temperature, ripple, and DC bias conditions. Ordering Information T 491 X 157 K 020 A T Capacitor Capacitance Capacitance Rated Voltage Failure Rate/ Series Case Size Termination Finish Packaging (C-Spec) Class Code (pF) Tolerance (VDC) Design T = Industrial A, B, C, D, First two digits K = 10% 2R5 = 2.5 A = N/A T = 100% Matte Tin (Sn) Blank = 7 Reel Tantalum E, S, T, U, represent M = 20% 003 = 3 plated 7280 = 13 Reel V, W, X si g n i fi c a nt 004 = 4 H = Standard solder fi g u r e s . T h i r d d i g i t 006 = 6.3 coated (SnPb 5% Pb s p e c i fi e s n u m b e r 010 = 10 minimum) of zeros. 016 = 16 G = Gold plated (A, B, C, 020 = 20 D, X only) 025 = 25 N = Non-magnetic 100% 035 = 35 Tin (Sn) 050 = 50 M = Non-magnetic (SnPb) Performance Characteristics Item Performance Characteristics Operating Temperature - 5 5C t o 12 5C Rated Capacitance Range 0.1 1, 0 0 0 F at 12 0 H z / 2 5C Capacitance Tolerance K Tolerance (10%), M Tolerance (20%) Rated Voltage Range 2.5 50 V DF (120 Hz) Ref e r t o Pa r t N u m b e r El e c t r i c a l S p e c i fi c at i o n Ta b l e ESR (100 kHz) Ref e r t o Pa r t N u m b e r El e c t r i c a l S p e c i fi c at i o n Ta b l e Leakage Current 0. 01 CV ( A) at r at e d vo l t a g e a f t e r 5 m i n u t e s KEMET Electronics Corporation P.O. Box 5928 Greenville, SC 29606 (864) 963-6300 www.kemet.com T2005 T491 2/27/2015 22