OBSOLETE Resistors Make Possible Precision Mil-Qualified Metal Glaze Resistor Precision Mil-Quali ed RN Series Metal Glaze Resistor 1/8 watt to 1/2 watt 10 ohms to 1M ohms Spiraled or laser helixed to resistance value, 0.5% to 1% tolerance tolerance High temperature soldered termination-lead RN Series assembly MIL-R-10509 25 ppm/C to 100 1/8 watt to 1/2 watt Digital marking per MIL-R-10509 10 ohms to 1M ohms Tough molded jacket 0.1% to 1% tolerance Metal Glaze thick film element fired at 1000C to MIL-R-10509 25 ppm/C to 100 solid ceramic core Tin-lead electroplated copper leads Electrical Data Resistance Tolerance T.C. Power Rating Nominal Max Voltage MIL Type Marking Range (%) (ppm/C) (watts) Size Rating (ohms) 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 RN55E RN60D Stamp 1 100 1/4 70C 10 to 1M 1/2W 300 RN60C RN60E * Conformally coated construction on all 1/8 nominal sizes. Environmental Data MIL-R-10509 Test RN55 Max. Limits Allowed %R (3) Test Conditions 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% General Note IRC reserves the right to make changes in product speci cation without notice or liability. All information is subject to IRCs own data and is considered accurate at time of going to print. General Note A subsidiary of TT electronics plc TT Electronics reserves the right to make changes in product specification without notice or liability. Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com RN Series Issue March 2009 Sheet 1 of 2 All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronicsresistors.com TT Electronics plc 10.14Precision Mil-Quali ed Precision Mil-Qualified Metal Glaze Resistor Make Possible Metal Glaze Resistor RN Series Physical Data LL BL LD BD Dimensions (Inches and (mm)) Nominal Body Length Body Diameter Lead Length Lead Diameter Clean Lead Size BL BD LL LD 0.150 0.020 0.066 0.008 1.00 0.125 0.016 0.002 0.225 1/8 watt (3.8 0.5) (1.7 0.2) (25.4 3.2) (0.41 0.05) (5.7) 0.250 0.015 0.090 0.008 1.50 0.125 0.025 0.002 0.310 1/4 watt (6.4 0.4) (2.3 0.2) (38.1 3.2) (0.64 0.05) (7.9) 0.390 0.010 0.140 0.008 1.50 0.125 0.025 0.002 0.450 1/2 watt (9.9 0.3) (3.6 0.2) (38.1 3.2) (0.64 0.05) (11.4) MIL Spec. Power Derating Chart Ordering Data Sample Part No. RN 55 D 1002 F 100 MIL Style RN55C, 60C 80 RL = Fixed Film Resistor & 50C, RN55E, High stability 60E 60 Power Rating 50 = 1/20 watt RN55D, 60D 55 = 1/10 watt 60 = 1/8 watt 40 T.C. Characteristics 20 D = 100ppm/C C = 50ppm/C E = 25ppm/C 0 Resistance 0 125 150 165 175 First three digits represent signi cant gures fourth digit is number of zeros. Ambient Temperature (C) Tolerance F = 1%, D = 0.5% Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com RN Series Issue March 2009 Sheet 2 of 2 General Note TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronicsresistors.com TT Electronics plc 10.14 % Of MIL Spec. Rated Power