atc rf/microwave capacitors: military products
type designation* capacitance capacitance rated temp. and rated dc range (pf) tolerance voltage-temp. voltage available limits cdr1-b-0r1ab-- to cdr1-b-0r2ab-- 0.1 pf to 0.2 pf b cdr1-b-0r3a--- to cdr1-b-0r4a--- 0.3 pf to 0.4 pf b, c cdr1-b-0r5a--- to cdr1-b-2r2a---** 0.5 pf to 2.2 pf b, c, d cdr1-b-2r4a--- to cdr1-b-6r2a---*** 2.4 pf to 6.2 pf b, c, d cdr1-b-6r8a--- to cdr1-b-9r1a---*** 6.8 pf to 9.1 pf b, c, j, k, m cdr1-b-100a--- to cdr1-b-101a---*** 10 pf to 100 pf f, g, j, k, m cdr1-bp111a--- to cdr1-bp102a---*** 110 pf to 1000 pf f, g, j, k, m bp 50 = a characteristic bg (+90 ?0 ppm/?) and characteristic bp (0 ?0 ppm/?) 150 = k type designation* capacitance capacitance rated temp. and rated dc range (pf) tolerance voltage-temp. voltage available limits cdr1-b-0r1eb-- to cdr1-b-0r2eb-- 0.1 pf to 0.2 pf b cdr1-b-0r3e--- to cdr1-b-0r4e--- 0.3 pf to 0.4 pf b, c cdr1-b--0r5e--- to cdr1-b-2r2e---** 0.5 pf to 2.2 pf b, c, d cdr1-b-2r4e--- to cdr1-b-6r2e---*** 2.4 pf to 6.2 pf b, c, d cdr1-b-6r8e--- to cdr1-b-9r1e---*** 6.8 pf to 9.1 pf b, c, j, k, m cdr1-b-100e--- to cdr1-b-101e---*** 10 pf to 100 pf cdr1-b-111d--- to cdr1-b-201d---*** 110 pf to 200 pf 300 = d cdr1-b-221c--- to cdr1-b-471c---*** 220 pf to 470 pf 200 = c cdr1-b-511b--- to cdr1-b-621b---*** 510 pf to 620 pf 100 = b cdr1-b-681a--- to cdr1-b-102a---*** 680 pf to 1000 pf cdr1-bp112a--- to cdr1-bp512a---*** 1100 pf to 5100 pf bp * complete type designation will include additional symbols to indicate style, voltage-temperature limits, capacitance tolerance (where applicable), termination finish, and failure rate level. ** intermediate values in this category are in 0.1 pf steps. *** intermediate values in each category are given by the retma 5% table as follows: 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 39, 43, 47, 51, 56, 62, 68, 75, 82, 91. atc part number code: cdr 12 b g 101 a f w s designation: identifies failure rate level established reliability, ceramic (established at 90% confidence): dielectric, fixed, chip capacitors. m - - 1% per 1000 hours p - - 0.1% per 1000 hours r - - 0.01% per 1000 hours s - - 0.001% per 1000 hours style: identifies dimensions of the capacitor and lead type, where applicable. termination finish: n - gold over nickel over silver (cdr11, cdr13) rated temp: -55? to +125? s - solder coated, final (cdr12, cdr14, cdr23, cdr25) t - silver (cdr21, cdr22, cdr24) voltage temp. (t.c.) limits: u - solder coated, nickel barrier (cdr12, cdr14) g = +90 ?0 ppm/?; p = 0 ?0 ppm/? n and u - terminations preferred for best solder- ability, thermocompression bonding, leach and mig- capacitance code: the first two digits represent ration resistance, and shelf life for chips and pellets. significant figures and the last digit specifies the number w - solder plated, nickel barrier (cdr12, cdr14) of zeros to follow. when fractional values of pf are required, the letter r shall be used to indicate the decimal point. rated dc voltage @ 125?: capacitance tolerance: a - - 50 vdc, b - - 100 vdc, c - - 200 vdc, b (?.1 pf), c (?.25 pf), d (?.5 pf), f ( 1%), d - - 300 vdc, e - - 500 vdc, k - - 150 vdc g (?%), j (+5%), k ( 10%), m (?0%) table ii - styles cdr13 and cdr14 capacitor characteristics table i - styles cdr11 and cdr12 capacitor characteristics characteristic bg (+90 ?0 ppm/?) and characteristic bp (0 ?0 ppm/?) 500 = e 50 = a f, g, j, k, m atc is a qpl approved supplier for mil-prf-55681/4 and /5 products listed below this manual covers the general requirements for established reliability fixed, multilayer, unencapsulated, monolithic porcelain and ceramic dielectric capacitors. these capacitors are intended for use in rf solid state circuitry up to and including 25 gigahertz and cannot be replaced in the field. the porcelain dielectric (characteristic bg) has a temperature coefficient of +90 ?0 ppm/? over the temperature range of -55? to +125?. the ceramic dielectric (characteristic bp) has a temperature coefficient of 0 ?0 ppm/? over the temperature range of -55? to +125?. the minimum, self-resonant frequencies of the capacitors are specified. for example, a 1 pf size b is specified as 6 ghz. minimum. 2 american technical ceramics www.atceramics.com atc north america 631-622-4700 sales@atceramics.com atc europe +46 8 6800410 sales@atceramics-europe.com atc asia +86-755-8366-4318 sales@atceramics-asia.com
atc is a qpl approved supplier for mil-prf-55681/4 and /5 products listed below * complete type designation will include additional symbols to indicate style, voltage-temperature limits, capacitance tolerance (where applicable), termination finish (t for styles cdr21, cdr22 and cdr24, and s for styles cdr23 and cdr25), and failure rat e level. please note: leaded devices cdr 21 through cdr 25 are available to the r failure rate level only. ** intermediate values in this category are in 0.1 pf steps. *** intermediate values in each category are given by the retma 5% table as follows: 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 39, 43, 47, 51, 56, 62, 68, 75, 82, 91. type designation* capacitance capacitance rated temp. and rated dc range (pf) tolerance voltage-temp. voltage available limits cdr2-b-0r1eb-- to cdr2-b-0r2eb-- 0.1 pf to 0.2 pf b cdr2-b-0r3e--- to cdr2-b-0r4e--- 0.3 pf to 0.4 pf b, c cdr2-b--0r5e--- to cdr2-b-2r2e---** 0.5 pf to 2.2 pf b, c, d cdr2-b-2r4e--- to cdr2-b-6r2e---*** 2.4 pf to 6.2 pf b, c, d cdr2-b-6r8e--- to cdr2-b-9r1e---*** 6.8 pf to 9.1 pf b, c, j, k, m cdr21-b-100e--- to cdr2-b-101e---*** 10 pf to 100 pf cdr2-b-111d--- to cdr2-b-201d---*** 110 pf to 200 pf 300 = d cdr2-b-221c--- to cdr2-b-471c---*** 220 pf to 470 pf 200 = c cdr2-b-511b--- to cdr2-b-621b---*** 510 pf to 620 pf 100 = b cdr2-b-681a--- to cdr2-b-102a---*** 680 pf to 1000 pf cdr2-bp112a--- to cdr2-bp512a---*** 1100 pf to 5100 pf bp table iii - styles cdr21 to cdr25 capacitor characteristics characteristic bg (+90 ?0 ppm/?) and characteristic bp (0 ?0 ppm/?) 500 = e 50 = a f, g, j, k, m mil-prf- 55681 styles case size type outlines body dimensions length width thickness cdr 11 a chip w/t is a termination surface .055 ?015 (1.4 ?.38) .020/.057 (0.51/1.45) cdr 13 b chip .110 ?020 (2.79 ?.51) lead and termination dimensions and materials n - gold over nickel over silver n is atc's uni-term .030/.102 (0.76/2.59) .030/.102 (0.76/2.59) cdr 12 a pellet w/t is a termination surface .055 ?025 (1.4 ?.63) .020/.057 (0.51/1.45) cdr 14 b pellet .110 +.035 -.020 (2.79 +0.89 -0.51) s - solder coated, final u - solder coated, nickel barrier u is atc's barrier/cap .055 ?015 (1.4 ?.38) .110 ?020 (2.79 ?.51) .030/.102 (0.76/2.59) cdr 12 a solder plate w/t is a termination surface .055 ?015 (1.4 ?.38) .020/.057 (0.51/1.45) cdr 14 b solder plate .110 ?020 (2.79 ?.51) w - nickel barrier, solder plate. cdr 22 b axial ribbon cdr 24 b radial ribbon cdr 23 b radial wire cdr 25 b axial wire .060/.100 (1.52/2.54) .004 ?001 (0.10 ?.03) .093 ?005 (2.36 ?.13) cdr 21 b microstrip ms .135 ?015 (3.43 ?.38) .110 ?015 (2.79 ?.38) .250 (6.35) min. .50 (12.7) min. #26 awg .016 (.375) dia. nom. (termination t - silver) length width thick- ness (termination s - solder coated) mechanical configurations all dimensions are in inches, except those in parentheses which are in millimeters. all leads and ribbon are silver and are attached with high temperature solder. equiv. atc part no. style characteristics bg bp cdr11 100a 700a cdr12 100a 700a cdr13 100b 700b cdr14 100b 700b equiv. atc part no. style characteristics bg bp cdr21 100b ------ ms 700b ------ ms cdr22 100b ------ ar 700b ------ ar cdr23 100b ------ rw 700b ------ rw cdr24 100b ------ rr 700b ------ rr cdr25 100b ------ aw 700b ------ aw 3 ar w p p ca ca w rr rw aw l t w l t w l t w l l l w l l w t t l l l w l l w t t l l l w l w t ?? l l l w t ?? ? l l w t l american technical ceramics www.atceramics.com atc north america 631-622-4700 sales@atceramics.com atc europe +46 8 6800410 sales@atceramics-europe.com atc asia +86-755-8366-4318 sales@atceramics-asia.com
sales of atc products are subject to the terms and conditions contained in american technical ceramics corp. terms and conditio ns of sale(atc document #001-992 rev. a 10/03). copies of these terms and conditions will be provided upon request. they may also be viewed on atc's website at www.atceramics. com/productfinder/default.asp. click on the link for terms and conditions of sale. atc has made every effort to have this information as accurate as possible. however, no responsibility is assumed by atc for it s use, nor for any infringements of rights of third parties which may result from its use. atc reserves the right to revise the content or modify its product without prior notice. ?1996, american technical ceramics corp. all rights reserved. atc 001-818 rev. g; 1/05
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