model bcn31 bcn31 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 04.12 r/2r ladder network 8 bit, 2512 size thick film leadless chip packages features 8 bit ladder network in a 10 terminal leadless chip package convex termination with square edges and corners topside marking for easy identifcation solder plated termination with nickel barrier benefts saves board space reduces cost single component reliability leadless package offers improved performance applications termination network in analog to digital and digital to analog conversion circuits standard resistance range, ohms 1k to 100k standard resistance tolerance 2% operating temperature range -40c to +125c temperature coeffcient of resistance 100ppm/c operating voltage, maximum 50vdc or pr insulation resistance 100 megohms power rating, watts at 70c 25mw per resistor / 400mw per package ladder network accuracy 8 bits: 1/2lsb electrical 1
model bcn31 bcn31 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 04.12 moisture resistance 1,000 hours at +40c, 95% r.h. (3.0% r) high temperature operation 1,000 hours at 70c (3.0% r) short time overload 2.5 x rated voltage, 5 seconds (2.0% r) temperature cycling -55c to +125c, 5 cycles (1.0% r) resistance to solder heat 260c for 10 seconds (1.0% r) load life 1,000 hours at 70c (3.0% r) wave solder process re-flow solder process p a b c x y a b c x y .050 .084 .148 .014 .036 .032 .084 .148 .014 .036 .032 1.27 2.10 3.70 0.35 0.90 0.80 2.10 3.70 0.35 0.90 0.80 environmental schematic solder pad layout (inch/mm) r 10 9876 12345 2r 2r 2r 2r 2r 2r 2r 2r 2r rr rr r r c p y y a x x b
bcn 31 ab l xxx g 7 model series width: 31 = 3.1m m edge option: ab = square edge, convex termination circuit type: l = ladder packaging option: 7 = 7" tape & reel, 4k/reel 13 = 13" tape & reel, 16k/reel tolerance: g = 2% resistance code: 102 = 1k / 2k 103 = 10k / 20k 253 = 25k / 50k 503 = 50k / 100k 104 = 100k / 200k model bcn31 bcn31 series wwwitechnologiescom wwwircttcom wwwwelwynttcom eneral note electronics reserves the right to mae changes in roduct secication without notice or liaility ll information is suect to electronics own data and is considered accurate at time of going to rint electronics lc 1 value (r1/r) 1/ 1/ / /1 1/ code 1 13 3 3 1 outline dimensions (inch/mm) power derating curve ordering information standard resistance values, ohms solder termination .252 .008 6.4 0.20 .122 .008 3.10 0.20 .050 .002 1.27 .051 .032 .004 0.80 0.10 .012 .006 0.30 0.15 .012 .004 0.30 0.10 .022 .004 0.55 .10 l 253 100 80 60 40 20 0 -550 70 125 percent of rated powe r ambient temperature ( ? c) lf lf: rohs compliant
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