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| Thick Film Temperature Compensation Resistor RGT Series * Superior linearity * Stable thick-film technology * Negative temperature coefficient * Effective compensation for positive TC devices, semiconductors, and copper Tin-lead electroplated copper leads Exclusive thick film process results in a very linear, negative, 3000 ppm/C resistance temperature characteristic Heat conducting ceramic substrate Digital Marking High conductivity plate-on nickel termination Specifications Temperature Coefficient -0.30%/C (minus 3000 ppm/C @ 25C) Resistance Ratio R25C/R125C = 1.37 High Temp Stability 2000 hours @ 175C, <0.5%R Linearity <1.2% deviation per 100C (typical over range from -55C to 140C) Standard Resistance Values 740, 1K and 10K. Others available Std. Resistance Tol. @ 25C 2%, 5%, 10% Operating Temperature Range Time Constraints 7.4 sec for RGT-1, 2.9 sec. for RGT-2 (time to achieve 63.2% of an applied step-change in temperature in still air) Dissipation Constants 8.1mW/C for RGT-1, 4.7mWC for RGT-2 (power required to raise sensor temperature 1C in a still air ambient of 25C) Element -55C to + 175C fused thick-film composition Substrate solid-core alumina ceramic Lead Pull Resistance to Soldering Heat MIL-STD-202E, Method 210A, cond. A, <0.5%R Marking Resistance to Solvents MIL-STD-202, Method 215 Lead Solderability MIL-STD-202, Method 208 5 lbs for 5 sec. Applications Compensates transistors, diodes, sensors, transducers, hall devices, microprocessors, and strain gauges. Proven in automotive under-hood use. Curve Tolerances () Temperature -55C -15C 0C 25C 50C 75C 100C 125C 150C 175C -67F +9F +32F 77F 122F 167F 212F 257F 302F 347F G Tol. 7% 4.5% 3.6% 2% 2.5% 3.0% 3.5% 4.0% 4.5% 5.0% J Tol. 10% 7.5% 6.6% 5% 5.5% 6.0% 6.5% 7.0% 7.5% 8.0% K Tol. 15% 12.5% 11.6% 10% 10.5% 11.0% 11.5% 12.0% 12.5% 13.0% 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 RGT Series Issue December 2008 Sheet 1 of 3 Thick Film Temperature Compensation Resistor Resistance vs. Temperature C -60 -40 -30 -20 -10 0 +10 +20 +25 +30 F -76 -40 -22 -4 +14 +32 +50 +68 +77 +86 R in s* 1285.2 1208.5 1173.4 1139.3 1106.3 1074.6 1044.1 1014.6 1000.0 985.5 C +40 +50 +60 +70 +75 +80 +90 +100 +110 +120 F +104 +122 +140 +158 +167 +176 +194 +212 +230 +248 R in s* 956.7 928.2 900.2 872.3 858.7 845.2 818.8 793.2 768.5 745.1 C +125 +130 +140 +150 +160 +170 +180 +230 F +257 +266 +284 +302 +320 +338 +356 +446 R in s* 734.0 723.2 703.7 685.8 669.3 653.8 639.7 582.9 *Based on actual measurements of resistors that were 1000 ohms at 25C. Physical Data LL BL LD BD Dimensions (Inches and (mm)) IRC Type BL (Body Length) 0.150 (3.81) 0.250 (6.35) BD (Body Diameter) 0.066 (1.70) 0.090 (2.29) LD (Lead Diameter) 0.016 (0.41) 0.025 (0.64) LL (Lead Length) 1.0 (25.4) 1.5 (38.1) RGT-2 RGT-1 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 RGT Series Issue December 2008 Sheet 2 of 3 Thick Film Temperature Compensation Resistor Linearity Resistance Ratio - RT/RT25 1.6 1.4 1.2 1.0 .8 .6 -50 0 50 100 150 200 Ordering Data Sample Part No. IRC Type Size RGT 2 -3000 1002 G 2 sizes available TCR (-3000 ppm) Resistance Value Tolerance G = 2%, J = 5%, K = 10%) 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 RGT Series Issue December 2008 Sheet 3 of 3 |
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