model 627 t model 627 t series citt v.35 terminaton surface mount resistor networks standard resistance tolerance, at 25c 2% operatng temperature range -55c to +125c temperature coefcient of resistance 250ppm/c temperature coefcient of resistance tracking 50ppm/c voltage coefcient of resistance 100ppm/c maximum operatng voltage 25vdc insulaton resistance 10,000 megohms thermal shock plus power conditoning r 0.70% short time overload r 0.25% moisture resistance r 0.50% mechanical shock r 0.25% vibraton shock r 0.25% low temperature operaton r 0.25% high temperature exposure r 0.50% load life, 2,000 hours (33 ohms = 0.5 ohm) r 0.50% resistance to solder heat (total immersion in solder at 280c for 10 sec.) r 0.25% dielectric withstanding voltage 200v for 1 minute temperature exposure, maximum 215c for 3 minutes marking permanency mil-std-202, method 215 lead solderability mil-std-202, method 208 flammability ul-94v-o rated storage temperature range -55c to +150c electrical environmental ma ke p ossibl e resistors 07.14 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronicsresistors.com all parts are pb-free and comply with eu directve 2011/65/eu (rohs2)
model 627 t model 627 t series lead material copper alloy, 96-96.5% sn, 3.5-4% ag lead confguraton gull wing lead coplanarity 0.002 in. (0.057mm) substrate material alumina resistor material cermet body material epoxy mechanical outline dimensions (inch/mm) schematc .050 1.27 .016 0.41 .310 7.87 max. .220 .005 5.59 0.13 typ. .028 0.71 typ. .008 0.20 typ. .095 2.41 max. typ. .395 10.03 max. .008 0.20 .015 0.38 typ. note: maximum allowable mold excursion = 0.006 1 50 2 50 50 50 50 50 50 50 50 50 50 50 125 125 14 13 3 4 125 125 12 11 5 6 125 125 10 9 7 8 ma ke p ossibl e 07.14 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronicsresistors.com
typical applicaton power deratng curve power dissipaton, wats at 70c model package per resistor 627 t 1.28 0.25 v cc tx1 in tx2 in tx3 in rx2 out rx1 out (5v) s1 (0v) s2 3 6 7 8 12 13 9 10 26 25 24 23 22 16 5 27 21 18 17 15 1 f1 f 1 f1 f 14 oe 4 321 1 f 125 50 50 linear techology model ltc 1345 linear techology model ltc 1345 bi model 627t provides 6 of these terminatio n networks in a singl e packag e e t d e c d 3 13 12 11 7 6 9 10 v cc rx1 out rx2 out rx3 out tx2 in tx1 in s1 (0v) s2 (5v) 4 321 15 16 18 17 20 26 5 27 19 24 23 25 1 f v.35 balanced interfac e percent of rated power 100 80 60 40 20 0 150 125 70 -0 degrees c model 627 t model 627 t series ma ke p ossibl e 07.14 general note tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronicsresistors.com
typical part marking packaging ordering informaton standard tape & reel conforms to requirements of eia-481. all units oriented with lead #1 to the lef of directon of feed. tape width = pocket = pitch = 24mm embossed antstatc plastc 12mm reel diameter = capacity = 13 (330mm) maximum 2,000 units opton: magazines conforms to eia and jedec standards. all units oriented with lead #1 to the same side. magazine: capacity = 50 units 62 7 t 500 / 1250 tr4 model no. of leads: 7 = 14 leads circuit type: t = v.35 terminaton standard tape & reel packaging: (no code used for magazines.) resistance values part marking lead #1 indicato r par t number 627t50/125 part marking 7t500 date code manufacturer?s trademark uk made model 627 t model 627 t series ma ke p ossibl e 07.14 tt electronics reserves the right to make changes in product specifcation without notice or liability. all information is subject to tt electronics own data and is considered accurate at time of going to print. ? tt electronics plc www.ttelectronicsresistors.com
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