models 627, 628 model 627, 628 series www.bitechnologies.com www.irctt.com www.welwyn-tt.com 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 10.12 ? .220 small outline ? dual-in-line ? thick film ? surface mount ? resistor networks ? rohs compliant standard resistance range, ohms 10 to 1meg (plus 0 ohm jumper) standard resistance tolerance, at 25c 2%(<33 = 1 ohm) (optional: f tol. = 1%) operating temperature range -55c to +125c temperature coeffcient of resistance 100ppm/c (<100 = 250ppm/c) temperature coeffcient of resistance, tracking 50ppm/c maximum operating voltage 50vdc or pr insulation resistance 10,000 megohms thermal shock plus power conditioning r 0.70% short time overload r 0.25% moisture resistance r 0.50% mechanical shock r 0.25% vibration r 0.25% low temperature operation r 0.25% high temperature exposure r 0.50% load life, 2000 hours (330 = 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-0 rated storage temperature range C55c to +150c electrical environmental
models 627, 628 model 627, 628 series www.bitechnologies.com www.irctt.com www.welwyn-tt.com 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 10.12 lead material 96-96.5%sn, 3.5-4%ag lead confguration gull wing lead coplanarity 0.002 in. (0.051mm) substrate material alumina resistor material cermet body material epoxy mechanical a circuit (isolated resistors) bold type represents stock standard values for a circuit b circuit (bussed resistors) bold type represents stock standard values for b circuit ohms code ohms code ohms code ohms code ohms code ohms code 22 220 1.2k 122 39k 393 22 220 1.2k 122 39k 393 33 330 1.5k 152 47k 473 33 330 1.5k 152 47k 473 39 390 1.8k 182 56k 563 39 390 1.8k 182 56k 563 47 470 2k 202 68k 683 47 470 2k 202 68k 683 56 560 2.2k 222 82k 823 56 560 2.2k 222 82k 823 68 680 2.7k 272 100k 104 68 680 2.7k 272 100k 104 82 820 3.3k 332 120k 124 82 820 3.3k 332 120k 124 100 101 3.9k 392 150k 154 100 101 3.9k 392 150k 154 120 121 4.7k 472 180k 184 120 121 4.7k 472 180k 184 150 151 5.6k 562 220k 224 150 151 5.6k 562 220k 224 180 181 6.8k 682 270k 274 180 181 6.8k 682 270k 274 220 221 8.2k 822 330k 334 220 221 8.2k 822 330k 334 270 271 10k 103 390k 394 270 271 10k 103 390k 394 330 331 12k 123 470k 474 330 331 12k 123 470k 474 390 391 15k 153 560k 564 390 391 15k 153 560k 564 470 471 18k 183 680k 684 470 471 18k 183 680k 684 560 561 20k 203 820k 824 560 561 20k 203 820k 824 680 681 22k 223 1 meg 105 680 681 22k 223 1 meg 105 820 821 27k 273 820 821 27k 273 1k 102 33k 333 1k 102 33k 333 standard resistance values, ohms j circuit (dual terminators) ohms (r1/r2) code (r1/r2) marking ohms (r1/r2) code (r1/r2) marking 120/120 121/121 45 330/470 331/471 10 150/150 151/151 40 390/390 391/391 42 180/300 181/301 31 470/470 471/471 43 220/220 221/221 39 1k/3.3k 102/332 35 220/330 221/331 08 3k/6.2k 302/662 13 270/270 221/331 41 6.8k/22k 682/223 29 330/390 331/391 09 - - -
models 627, 628 model 627, 628 series www.bitechnologies.com www.irctt.com www.welwyn-tt.com 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 10.12 outline dimensions (inch/mm) note: maximum allowable mold excursion = 0.006 note: model 628: n = 16 leads, model 627: n = 14 leads schematics solder pad layout (inch/mm) ???????????????????????????? ????????????????????????????? ? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????? ? ??????????????????????????????? ???????????????? ?????????????????????????????? ???????????????????????????????????????????????? ???????????? ??????????????????????????????????????????????????? ???? ????????????????????????????? ????? ?????? ????? ?????? ?????? ????? ????? ????? ????? ????? ????? ????? ?????? ????? ????? ????? ????? ????? ????? ????? ????? ???????????? ???????????? ????? ????? ????? ????? ???????????? ???????????? ????? ?????????? ??????????????????? ?????????? ????????????????? ?????????? ???????????????? ?? ?? ???? ?? ?? ?? ?? ???? ???? ??? ??? ???????????? ???????????? ???????????? ???????????? ???????????? ???????????? ????? ????? ????? ????? ????? ????? ???????????????????????????? ????????????????????????????? ? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????? ? ??????????????????????????????? ???????????????? ?????????????????????????????? ???????????????????????????????????????????????? ???????????? ??????????????????????????????????????????????????? ???? ????????????????????????????? ????? ?????? ????? ?????? ?????? ????? ????? ????? ????? ????? ????? ????? ?????? ????? ????? ????? ????? ????? ????? ????? ????? ???????????? ???????????? ????? ????? ????? ????? ???????????? ???????????? ????? ?????????? ??????????????????? ?????????? ????????????????? ?????????? ???????????????? ?? ?? ???? ?? ?? ?? ?? ???? ???? ??? ??? ???????????? ???????????? ???????????? ???????????? ???????????? ???????????? ????? ????? ????? ????? ????? ????? ???????????????????????????? ????????????????????????????? ? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????? ? ??????????????????????????????? ???????????????? ?????????????????????????????? ???????????????????????????????????????????????? ???????????? ??????????????????????????????????????????????????? ???? ????????????????????????????? ????? ?????? ????? ?????? ?????? ????? ????? ????? ????? ????? ????? ????? ?????? ????? ????? ????? ????? ????? ????? ????? ????? ???????????? ???????????? ????? ????? ????? ????? ???????????? ???????????? ????? ?????????? ??????????????????? ?????????? ????????????????? ?????????? ???????????????? ?? ?? ???? ?? ?? ?? ?? ???? ???? ??? ??? ???????????? ???????????? ???????????? ???????????? ???????????? ???????????? ????? ????? ????? ????? ????? ?????
resistor (per circuit) model package a b j 627 1.28 0.32 0.16 0.16 628 1.28 0.32 0.16 0.16 models 627, 628 model 627, 628 series www.bitechnologies.com www.irctt.com www.welwyn-tt.com 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 10.12 packaging standard: tape & reel conforms to requirements of eia-481. all units orientated with lead #1 to the left of direction of feed. tape width = pocket = pitch = 24mm embossed plastic, antistatic 12mm reel: diameter = capacity = 13 (300mm) maximum 2,000 units option: magazines conforms to eia and jedec standards. all units orientated with lead #1 to the same side. magazine: magazine: capacity = 50 units typical part marking power dissipation, watts at 70c ???????????????????????????? ????????????????????????????? ? ??????????????????????????????????????????????????? ??????????????????????????????????????????????????? ??????????????????????????????? ? ??????????????????????????????? ???????????????? ?????????????????????? ?????????????????????????????????? ?? ?????? ???????? ?? ?? ?? ???? ????? ????? ????? ????? ???? ????? ????? ????? ????? ??????????????????????????? ??????????? ?????????? ? ???????????? ? ? ????????????????????????????????????? ? ? ? ???????????????????????????????????????????????? ????????????????????? ? ?? ?????? ????????????????????????????????????????????? ????????? ? ? ??? ??????????????????????????????????????????????????? ??????????? ? ? ??? ???????????????????????????????????????? ? ? ?? ?????? ????????????????????????????????????????????? ?????? ? ? ??? ?????????????????????????????????????????????? ? ? ??? ? ? ???????? ? ?????????? ? ? ? ? ????????????????????????????????????? ? ? ? ? ???????????????????????????????????????????????? ???? ? ? ??? ? ? ?? ? ? ??? ? ? ??????????????????????????????????????????????????? ????? ????? ???????? ????????? ???????? ?????? ???????? ?????? ???????????? ????? ????????????????????????? ?????????? ????????????? ??????????????????
models 627, 628 model 627, 628 series www.bitechnologies.com www.irctt.com www.welwyn-tt.com 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 10.12 ordering information mil-r-914 - resistor networks, fixed, film, surface mount established reliability general specifcations mil-std-105 - sampling procedures and tables for inspection by attributes mil-std-202 - test methods for electronics and electrical component parts eia-481 - carrier taping of surface mount components for automatic handling eia-pdp-100 - sogn-0002 outline dimensions 62 8 j 331 / 471 f tr4 model number of leads: 7 = 14 leads 8 = 16 leads circuit type: a = isolated b = bussed j = dual terminator standard tape & reel packaging: (no code used for magazines.) tolerance code: f = 1% (no code used for 2% std.) r2 resistance code: (add for j circuit only.) resistance code: e12 & e24 series: first two digits are signifcant. last digit denotes number of trailing zeros. e96 series: first three digits are signifcant. last digit denotes number of trailing zeros. applicable documents
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