precision mil-qualifed metal glaze? resistor rn 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 03. 12 1/8 watt to 1/2 watt 10 ohms to 1m ohms 0.1% to 1% tolerance mil-r-10509 25 ppm/c to 100 general note irc reserves the right to make changes in product speci? cation without notice or liability. all information is subject to irc?s own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? 4222 south staples street ? corpus christi texas 78411 usa wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com rn series ? 1/8 watt to 1/2 watt ? 10 ohms to 1m ohms ? 0.1% to 1% tolerance ? mil-r-10509 25 ppm/c to 100 precision mil-quali? ed metal glaze? resistor electrical data mil type marking tolerance (%) t.c. (ppm/c) power rating (watts) resistance range (ohms) nominal size max voltage rating rn50c* stamp 1 50 1/20 @ 125c 10 to 100k 1/8w 200 rn55d stamp 1 100 1/8 @ 70c 10 to 301k 1/4w 200 rn55c stamp 0.1, 0.5, 1 50 1/10 @ 125c 49.9 to 100k 1/4w 200 rn55e stamp 0.1, 0.5, 1 25 1/10 @ 125c 49.9 to 100k 1/4w 200 rn60d stamp 1 100 1/4 @ 70c 10 to 1m 1/2w 300 rn60c stamp 0.1, 0.5, 1 50 1/8 @ 125c 49.9 to 499k 1/2w 250 rn60e stamp 0.1, 0.5, 1 25 1/8 @ 125c 49.9 to 499k 1/2w 250 * conformally coated construction on all 1/8 nominal sizes. test conditions mil-r-10509 test limits allowed rn55 max. % 'r (3 v) rn55 (d) rn55 (c) t0-55 t2-55 temperature coef? cient (ppm/c) +200/-500 50 100 50 low temperature operation 0.50% 0.25% 0.10% 0.10% temperature cycling 0.50% 0.25% 0.10% 0.10% moisture resistance 1.50% 0.50% 0.50% 0.50% short time overload 0.50% 0.25% 0.10% 0.10% load life (70c-1/2w, 125c-1/100w) 1000 hours 1.00% 0.50% 0.30% 0.20% terminal strength 0.20% 0.20% 0.05% 0.05% effect of soldering 0.50% 0.10% 0.10% 0.10% shock 0.50% 0.25% 0.05% 0.05% vibration 0.50% 0.25% 0.05% 0.05% high temperature exposure (150c no load) n/a n/a 0.50% 0.50% 2x rated power for 10,000 hours @ 70c n/a n/a 0.50% 0.50% temperature rise @ 1/4w power load - - see temperature rise chart dielectric strength 0.50% 0.25% 0.05% 0.05% environmental data tough molded jacket metal glaze thick film element fired at 1000c to solid ceramic core tin-lead electroplated copper leads spiraled or laser helixed to resistance value, tolerance high temperature soldered termination-lead assembly digital marking per mil-r-10509 rn series issue march 2009 sheet 1 of 2 general note irc reserves the right to make changes in product speci? cation without notice or liability. all information is subject to irc?s own data and is considered accurate at time of going to print. a subsidiary of tt electronics plc ? 4222 south staples street ? corpus christi texas 78411 usa wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com rn series ? 1/8 watt to 1/2 watt ? 10 ohms to 1m ohms ? 0.1% to 1% tolerance ? mil-r-10509 25 ppm/c to 100 precision mil-quali? ed metal glaze? resistor electrical data mil type marking tolerance (%) t.c. (ppm/c) power rating (watts) resistance range (ohms) nominal size max voltage rating rn50c* stamp 1 50 1/20 @ 125c 10 to 100k 1/8w 200 rn55d stamp 1 100 1/8 @ 70c 10 to 301k 1/4w 200 rn55c stamp 0.1, 0.5, 1 50 1/10 @ 125c 49.9 to 100k 1/4w 200 rn55e stamp 0.1, 0.5, 1 25 1/10 @ 125c 49.9 to 100k 1/4w 200 rn60d stamp 1 100 1/4 @ 70c 10 to 1m 1/2w 300 rn60c stamp 0.1, 0.5, 1 50 1/8 @ 125c 49.9 to 499k 1/2w 250 rn60e stamp 0.1, 0.5, 1 25 1/8 @ 125c 49.9 to 499k 1/2w 250 * conformally coated construction on all 1/8 nominal sizes. test conditions mil-r-10509 test limits allowed rn55 max. % 'r (3 v) rn55 (d) rn55 (c) t0-55 t2-55 temperature coef? cient (ppm/c) +200/-500 50 100 50 low temperature operation 0.50% 0.25% 0.10% 0.10% temperature cycling 0.50% 0.25% 0.10% 0.10% moisture resistance 1.50% 0.50% 0.50% 0.50% short time overload 0.50% 0.25% 0.10% 0.10% load life (70c-1/2w, 125c-1/100w) 1000 hours 1.00% 0.50% 0.30% 0.20% terminal strength 0.20% 0.20% 0.05% 0.05% effect of soldering 0.50% 0.10% 0.10% 0.10% shock 0.50% 0.25% 0.05% 0.05% vibration 0.50% 0.25% 0.05% 0.05% high temperature exposure (150c no load) n/a n/a 0.50% 0.50% 2x rated power for 10,000 hours @ 70c n/a n/a 0.50% 0.50% temperature rise @ 1/4w power load - - see temperature rise chart dielectric strength 0.50% 0.25% 0.05% 0.05% environmental data tough molded jacket metal glaze thick film element fired at 1000c to solid ceramic core tin-lead electroplated copper leads spiraled or laser helixed to resistance value, tolerance high temperature soldered termination-lead assembly digital marking per mil-r-10509 rn series issue march 2009 sheet 1 of 2
precision mil-qualifed metal glaze? resistor rn 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 03. 12 ? 4222 south staples street ? corpus christi texas 78411 usa wire and film technologies division telephone: 361 992 7900 ? facsimile: 361 992 3377 ? website: www.irctt.com dimensions (inches and (mm)) nominal size body length bl body diameter bd lead length ll lead diameter ld clean lead 1/8 watt 0.150 0.020 (3.8 0.5) 0.066 0.008 (1.7 0.2) 1.00 0.125 (25.4 3.2) 0.016 0.002 (0.41 0.05) 0.225 (5.7) 1/4 watt 0.250 0.015 (6.4 0.4) 0.090 0.008 (2.3 0.2) 1.50 0.125 (38.1 3.2) 0.025 0.002 (0.64 0.05) 0.310 (7.9) 1/2 watt 0.390 0.010 (9.9 0.3) 0.140 0.008 (3.6 0.2) 1.50 0.125 (38.1 3.2) 0.025 0.002 (0.64 0.05) 0.450 (11.4) physical data ll ld bl bd sample part no. mil style rl = fixed film resistor high stability power rating 50 = 1/20 watt 55 = 1/10 watt 60 = 1/8 watt t.c. characteristics d = 100ppm/c c = 50ppm/c e = 25ppm/c resistance first three digits represent signi? cant ? gures; fourth digit is number of zeros. tolerance f = 1%, d = 0.5%, b = 0.1% ordering data rn 55 d 1002 f 100 80 60 0 0 125 150 175 ambient temperature (c) rn55d, 60d 40 20 165 mil spec. power derating chart % of mil spec. rated power precision mil-quali? ed metal glaze? resistor rn55c, 60c & 50c, rn55e, 60e rn series issue march 2009 sheet 2 of 2
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