Semi-Precision Mil-Qualified Metal Glaze™ Resistor RL Series • • • • • Spiraled or laser helixed to resistance value, tolerance High temperature soldered termination-lead assembly MIL-R-22684 ±200 ppm/°C 1/4 watt to 1/2 watt 2% and 5% tolerance 4.3 ohms to 470K ohms Tough molded jacket Metal Glaze thick film element fired at 1000°C to solid ceramic core Tin-lead electroplated copper leads Electrical Data MIL Type Marking Tolerance (±%) T.C. (ppm/°C) Power Rating (watts) Resistance Range (ohms)* Nominal Size Max Voltage Rating RL07 Band 2, 5 200 1/4 @ 70°C 51 to 150K 1/4W 250 RL20 Band 2, 5 200 1/2 @ 70°C 4.3 to 470K 1/2W 350 * For values below or above Mil Resistance, the Non-Mil part can be used. But keep in mind -- it is a non-mil part. Environmental Data MIL-R-22684 Test Limits Allowed RL07 Max. %∆R (±3σ) ±200 ±200 Low Temperature Operation ±0.50% ±0.10% Thermal Shock ±1.00% ±0.15% Moisture Resistance ±1.5% ±0.05% Short Time Overload ±0.50% ±0.10% Load Life (70°C --- 1/4W) 1000 hours ±2.00% ±0.40% Terminal Strength ±0.50% ±0.10% Effect of Soldering ±0.50% ±0.10% Shock ±0.50% ±0.05% Vibration ±0.50% ±0.05% High Temperature Exposure (150°C No Load) N/A ±0.75% Rated Power for 10,000 hours at 70°C N/A ±0.60% Temperature Rise @ 1/4W Power Load - See Temperature Rise Chart ±0.50% ±0.05% Test Conditions Temperature Coefficient (ppm/°C) Dielectric Strength General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. 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 A subsidiary of TT electronics plc RL Series Issue November 2008 Sheet 1 of 3 Semi-Precision Mil-Qualified Metal Glaze™ Resistor Physical Data BL LL LD BD Dimensions (Inches and (mm)) Nominal Size 1/4 watt 1/2 watt Body Length BL Body Diameter BD Lead Length LL Lead Diameter LD Clean Lead 0.250 ±0.015 0.090 ±0.008 1.50 ±0.125 0.025 ±0.002 0.310 (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 0.032 ±0.002 0.450 (9.9 ±0.3) (3.6 ±0.2) (38.1 ±3.2) (0.81 ±0.05) (11.4) % Of Commercial Rated Power (in many cases 2X MIL Spec. power rating) Commercial Power Derating Chart 100 RG07 RG20 80 60 40 20 0 0 125 150 175 Ambient Temperature (°C) 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 RL Series Issue November 2008 Sheet 2 of 3 Semi-Precision Mil-Qualified Metal Glaze™ Resistor MIL Spec. Power Derating Chart 100 80 60 40 All RL 20 0 0 125 150 175 165 Ambient Temperature (°C) Ordering Data Sample Part No. RL 07 S 1001 G MIL Style RL = Fixed Film Resistor Power Rating 07 = 1/4 watt 20 = 1/2 watt Lead Material S = Solderable/weldable leads Resistance First three digits represent significant figures; fourth digit is number of zeros. Tolerance G = 2%, J = 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 RL Series Issue November 2008 Sheet 3 of 3