? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com t2008_t494 ? 10/7/2013 1 benefts ? meets or exceeds eia standard 535baac ? taped and reeled per eia 481C1 ? 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 values of 0.1 f to 1,000 f ? tolerances of 10% and 20% ? voltage rating of 2.5 C 50 vdc ? extended range values ? low profle case sizes ? rohs compliant and lead-free terminations ? operating temperature range of -55?c to +125?c applications typical applications include decoupling and fltering in industrial and automotive end applications, such as dc/dc converters, portable electronics, telecommunications, and control units. overview the kemet t494 series is a lower esr version of the popular t491 series, designed specifcally for todays highly automated surface mount processes and equipment. the t494 combines kemets proven solid tantalum technology, acclaimed and respected throughout the world, with the latest in materials, processes and automation, resulting in unsurpassed total performance and value. this product meets or exceeds the requirements of eia standard 535baac. the t494 standard terminations are available in 100% matte tin and provide excellent wetting characteristics and compatibility with today's surface mount solder systems. tin/lead (sn/pb) terminations are available upon request for any part number. gold-plated terminations are also available for use with conductive epoxy attachment processes. standard packaging of these devices is tape and reel in accordance with eia 481C1. this system provides perfect compatibility with all tape-fed placement units. low esr mno 2 tantalum & aluminum surface mount capacitors t494 industrial grade low esr mno 2 series 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 t2008_t494 ? 10/7/2013 2 2 spice for a detailed analysis of specifc 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 494 t 336 m 004 a t capacitor class series case size capacitance code (pf) capacitance tolerance voltage failure rate/ design lead material packaging (c-spec) t = tantalum industrial - low esr a, b, c, d, e, s, t, u, v, x first two digits represent signifcant fgures. third digit specifes number of zeros. k = 10% m = 20% 2r5 = 2.5 v 003 = 3 v 004 = 4 v 006 = 6.3 v 010 = 10 v 016 = 16 v 020 = 20 v 025 = 25 v 035 = 35 v 050 = 50 v a = n/a t = 100% matte tin (sn) plated h = standard solder coated (snpb 5% pb minimum) g = gold plated (a, b, c, d, x only) blank = 7" reel 7280 = 13" reel performance characteristics item performance characteristics operating temperature -55c to 125c rated capacitance range 0.1 C 1,000 f @ 120 hz/25c capacitance tolerance k tolerance (10%), m tolerance (20%) rated voltage range 2.5 C 50 v df (120 hz) refer to part number electrical specifcation table esr (100 khz) refer to part number electrical specifcation table leakage current 0.01 cv (a) at rated voltage after 5 minutes tantalum surface mount capacitors C low esr mno 2 tantalum & aluminum surface mount capacitors t494 industrial grade low esr mno 2 series
? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com t2008_t494 ? 10/7/2013 3 3 qualifcation test condition characteristics endurance 85c @ rated voltage, 2,000 hours 125c @ 2/3 rated voltage, 2,000 hours c/c within 10% of initial value df within initial limits dcl within 1.25 x initial limit esr within initial limits storage life 125c @ 0 volts, 2,000 hours c/c within 10% of initial value ') within initial limits dcl within 1.25 x initial limit esr within initial limits thermal shock milCstdC202, method 107, condition b, mounted, -55c to 125c, 1,000 cycles c/c within 5% of initial value df within initial limits dcl within 1.25 x initial limit esr within initial limits temperature stability extreme temperature exposure at a succession of continuous steps at +25oc, -55oc, +25oc, +85oc, +125oc, +25oc. +25c -55c +85c +125c c/c i l* 10% 10% 20% df il il 1.5 x il 1.5 x il dcl il n/a 10 x il 12 x il surge voltage 25c and 85c, 1.32 x rated voltage 1,000 cycles (125c, 1.2 x rated voltage). c/c within 5% of initial value df within initial limits dcl within initial limits esr within initial limits mechanical shock/vibration milCstdC202, method 213, condition i, 100 g peak milCstdC202, method 204, condition d, 10 hz to 2,000 hz, 20 g peak c/c df within initial limits dcl within initial limits *il = initial limit tantalum surface mount capacitors C low esr mno 2 tantalum & aluminum surface mount capacitors t494 industrial grade low esr mno 2 series
? kemet electronics corporation ? p.o. box 5928 ? greenville, sc 29606 (864) 963-6300 ? www.kemet.com t2008_t494 ? 10/7/2013 4 4 0 . 1 1 1 0 1 0 0 1 0 0 0 1 0 0 1 ,0 0 0 1 0 ,0 0 0 1 0 0 ,0 0 0 1 ,0 0 0 ,0 0 0 1 0 ,0 0 0 ,0 0 0 c a p a c i t a n c e ( f ) f r e q u e n c y ( h z ) t 4 9 4 c 4 7 6 m 0 0 6 a t t 4 9 4 d3 3 7 m 0 1 0 a t t 4 9 4 b 1 0 6 m 0 2 0 a t capacitance vs. frequency 0 . 0 1 0 . 1 1 1 0 1 0 0 1 0 0 0 1 0 0 1 , 0 0 0 1 0 , 0 0 0 1 0 0 , 0 0 0 1 , 0 0 0 , 0 0 0 1 0 , 0 0 0 , 0 0 0 i m p e d a n c e , e s r ( o h m s ) f r e q u e n c y ( h z ) t 4 9 4 c 4 7 6 m 0 0 6 a t _ i m p t 4 9 4 d3 3 7 m 0 1 0 a t _ i m p t 4 9 4 b 1 0 6 m 0 2 0 a t _ i m p t 4 9 4 c 4 7 6 m 0 0 6 a t _ e s r t 4 9 4 d3 3 7 m 0 1 0 a t _ e s r t 4 9 4 b 1 0 6 m 0 2 0 a t _ e s r esr vs. frequency dimensions millimeters (inches) metric will govern 15 termination cutout at kemet?s option, either end & |