Thick Film Temperature Compensation Resistor Exclusive thick film process results in a very linear, negative, 3000 ppm/°C resistance temperature characteristic RGT Series Heat conducting ceramic substrate • Superior linearity • Stable thick-film technology Digital Marking • Negative temperature coefficient High conductivity plate-on nickel termination • Effective compensation for positive TC devices, semiconductors, and copper Tin-lead electroplated copper leads Specifications Standard Resistance Values Std. Resistance Tol. @ 25°C 1.37 (typical over range from -55°C to 140°C) 740, 1K and 10K. Others available ±2%, ±5%, ±10% High Temp Stability Time Constraints Dissipation Constants Element 2000 hours @ 7.4 sec for RGT-1, 2.9 sec. for RGT-2 8.1mW/°C for RGT-1, 4.7mW°C for RGT-2 175°C, <0.5%∆R (time to achieve 63.2% of an applied (power required to raise sensor temperature step-change in temperature in still air) 1°C in a still air ambient of 25°C) Resistance to Soldering Heat Marking Resistance to Solvents Lead Solderability MIL-STD-202, Method 215 MIL-STD-202, Method 208 Temperature Coefficient Resistance Ratio Linearity -0.30%/°C (minus R25°C/R125°C = <1.2% deviation per 100°C 3000 ppm/°C @ 25°C) Operating Temperature Range -55°C to + 175°C Substrate Lead Pull solid-core alumina ceramic 5 lbs for 5 sec. MIL-STD-202E, Method 210A, cond. A, <0.5%∆R Applications Compensates transistors, diodes, sensors, transducers, hall devices, microprocessors, and strain gauges. Proven in automotive under-hood use. fused thick-film composition Curve Tolerances (±) Temperature -55°C -15°C 0°C 25°C 50°C 75°C 100°C 125°C 150°C 175°C -67°F +9°F +32°F 77°F 122°F 167°F 212°F 257°F 302°F 347°F G Tol. J Tol. K Tol. 7% 4.5% 3.6% ±2% 2.5% 3.0% 3.5% 4.0% 4.5% 5.0% 10% 7.5% 6.6% ±5% 5.5% 6.0% 6.5% 7.0% 7.5% 8.0% 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 °F R in Ωs* °C °F R in Ωs* °C °F R in Ωs* -60 -40 -30 -20 -10 0 +10 +20 +25 +30 -76 -40 -22 -4 +14 +32 +50 +68 +77 +86 1285.2 1208.5 1173.4 1139.3 1106.3 1074.6 1044.1 1014.6 1000.0 985.5 +40 +50 +60 +70 +75 +80 +90 +100 +110 +120 +104 +122 +140 +158 +167 +176 +194 +212 +230 +248 956.7 928.2 900.2 872.3 858.7 845.2 818.8 793.2 768.5 745.1 +125 +130 +140 +150 +160 +170 +180 +230 +257 +266 +284 +302 +320 +338 +356 +446 734.0 723.2 703.7 685.8 669.3 653.8 639.7 582.9 *Based on actual measurements of resistors that were 1000 ohms at 25°C. Physical Data LL BL LD BD Dimensions (Inches and (mm)) IRC Type RGT-2 RGT-1 BL (Body Length) BD (Body Diameter) LD (Lead Diameter) LL (Lead Length) 0.150 0.066 (3.81) (1.70) 0.016 (0.41) 1.0 (25.4) 0.025 (0.64) 1.5 (38.1) 0.250 0.090 (6.35) (2.29) 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 Ordering Data Resistance Ratio - RT°/RT25° Sample Part No. 1.6 RGT 2 -3000 1002 G IRC Type 1.4 Size 2 sizes available 1.2 TCR (-3000 ppm) 1.0 Resistance Value .8 Tolerance G = 2%, J = 5%, K = 10%) .6 -50 0 50 100 150 200 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