Precision Non Military Metal GlazeTM Resistors Spiraled or laser helixed to resistance value, tolerance RG Series High temperature soldered termination-lead assembly * Surge Capabilities Digital or color code marking * 1/8 watt to 3 watts * 0.4 ohm to 5.1 megohms Tough molded jacket. RG 1/8 types have glass-filled conformal jacket * 25 ppm/C to 200 ppm/C * 0.5% to 5% tolerance; 0.1% in selected ranges Metal Glaze thick film element fired at 1000C to solid ceramic core 30-70 Electroplated copper leads Electrical Data IRC Type MIL Type Marking Tolerance (ppm/C) T.C. (ppm/C) IRC Power Rating (watts @ C) Maximum Voltage Rating IRC Resistance Range () Nominal Size Dimension Code RG 1/8 RG 1/4 RG 1/2 - Band Band Band 2, 5 5 5 200 200 200 1/4 @ 70 1/2 @ 705 1 @ 70 200 2506 350 4.3 to 1.5M 4.3 to 5.1M 4.3 to 5.1M 1/8W 1/4W 1/2W 1 2 3 TO-50 T2-50 T9-50 - Stamp Stamp Stamp .5, 1 .5, 1 .5, 1 100 50 25 1/4 @ 70 1/8 @ 70 1/8 @ 70 200 200 200 10 to 1M 10 to 1M 10 to 1M 1/8W 1/8W 1/8W 1 1 1 TF-05 TF-07 TF-20 - Band/Stamp Band/Stamp Band/Stamp 1, 2, 5 1, 2, 5 1, 2, 5 100 100 100 1/4 @ 70 1/2 @ 70 1 @ 70 200 250 250 .4 to 9.9 .4 to 9.9 .4 to 9.9 1/8W 1/4W 1/2W 1 2 3 GF-55 GF-07 Flame-Resist2 Flame-Resist2 Stamp Stamp 1 2, 5 504, 100 100 1/2 @ 70 1/2 @ 70 250 250 .4 to 2M .4 to 2M 1/4W 1/4W 2 2 GF-60 GF-20 Flame-Resist2 Flame-Resist2 Stamp Stamp 1 2, 5 504, 100 100 3/4 @ 70 3/4 @ 70 350 350 .4 to 2M .4 to 2M 1/2W 1/2W 4 4 GF-3 Flame-Resist2 Stamp 1, 2, 5 200 2 @ 70 750 1 to 2M 3W 5 1000 1 to 3M 3W 5 3 @ 70 GS-3 - Stamp 1, 2, 5 504, 100 2 @ 70 RG-07 RG-20 - Band Band 2, 5 2, 5 200 200 1/2 @ 70 1 @ 70 250 350 4.3 to 5.1M 4.3 to 5.1M 1/4W 1/2W 2 3 TO-55 T2-55 T9-55 T0-60 T2-60 T9-60 - Band/Stamp Stamp Stamp Band/Stamp Stamp Stamp .1, .5, 1 .1, .5, 1 .1, .5, 1 .1, .5, 1 .1, .5, 1 .1, .5, 1 100 50 25 100 50 25 1/2 @ 70 1/4 @ 70 1/4 @ 70 3/4 @ 70 1/2 @ 70 1/2 @ 70 200 200 200 300 250 250 10 to 3.01M 10 to 3.01M 10 to 3.01M 10 to 3.01M 10 to 3.01M 10 to 3.01M 1/4W 1/4W 1/4W 1/2W 1/2W 1/2W 2 2 2 4 4 4 3 @ 70 Notes: 1. Conformally coated construction on all 1/8 nominal size resistors. 2. Contact factory for details on flame-resistant specifications. 3. Only available in F tolerance above 2M ohm. 4. Below 10 ohms only available in 100 ppm. 5. 1 Watt @ 70C available - see page 87. 6. Contact factory for details on higher voltage rating. 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 RG Series Issue December 2008 Sheet 1 of 3 Precision Non Military Metal GlazeTM Resistors Physical Data LL BL LD BD Dimensions Dim Code Nominal Size Body Length BL Body Diameter BD Lead Length LL Lead Diameter LD Clean Lead 1 1/8 0.150 0.020 (3.8 0.3) 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) 2 1/4 0.250 0.015 (6.4 0.4) 0.090 0.008 (2.3 0.2) 0.150 0.125 (38.1 3.2) 0.025 0.002 (0.64 0.05) 0.310 (7.9) 3 1/2W 0.390 0.010 (9.9 0.3) 0.140 0.008 (3.6 0.2) 0.150 0.125 (38.1 3.2) 0.032 0.002 (0.81 0.05) 0.450 (11.4) 4 1/2W 0.390 0.010 (9.9 0.3) 0.140 0.008 (3.6 0.2) 0.150 0.125 (38.1 3.2) 0.025 0.002 (0.64 0.05) 0.450 (11.4) 5 3W 0.515 0.010 (13.1 0.3) 0.225 0.008 (5.7 0.2) 0.150 0.125 (38.1 3.2) 0.032 0.002 (0.81 0.05) 0.575 (14.6) GS-3 Surface Temperature Rise RG `TO' Temperature Rise 120 200 RG 1/8W 150 RG07, TO-55 80 Temperature (C) Temperature (C) 100 TO-60* 60 RG20, RLR20** 40 100 50 20 0 0 0.2 0.4 0.6 0.8 Applied Power (watts) 1.0 1.2 0 0 25 50 75 % of 25C Power Rating 100 *0.025 inch leads **0.032 inch leads 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 RG Series Issue December 2008 Sheet 2 of 3 Precision Non Military Metal GlazeTM Resistors Commercial Power Derating Curve RG 1/4 High-Frequency Characteristics RG1/8, RG1/4, RG07, RG20, TF07, TF20 80 60 40 TO/T2-55 & 60 20 0 70 125 150 % Of DC Resistance % Of Commercial Rated Power (in many cases, 2X MIL Spec. power rating) 100 50 100 175 Ambient Temperature (C) 2K 10K 50 20 1 10 100 100K 1000 Frequency (MHz) Repetitive Surge Curve Note: Use for Repetitive pulses where the average power dissipation is not to exceed the component rating at 70C. Please consult factory for applications subject to non-repetitive or low repetition rate surges. Ordering Data Sample Part No. RG1/4 2203 J IRC Type See specification table for types available. Resistance Standard EIA/MIL resistance values for metal film resistors. See specification table for range on inside back cover. Tolerance J = 5% G = 2% F = 1% See specification table for availability. 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 RG Series Issue December 2008 Sheet 3 of 3