IBT1/2 20M 5% TT Electronics

Resistors Make Possible Carbon Composition Resistor IBT Series Carbon Composition Resistor IBT Series Meets performance standards of EIA RS-172 Hot molded process for product uniformity Ideal for pulse-loaded handling Meets performance standards of EIA RS-172 Non-inductive design Hot molded process for product uniformity Ideal for pulse-loaded handling Non-inductive design All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) Electrical Data Tested Per MIL-STD-202 IBT 1/4 IBT 1/2 Power Rating 1/4W 1/2W Determined by load life test 100% load 70C ambient P x R or 250 volts P x R or 350 volts Rated Continuous Working Voltage (RCWV) whichever is less whichever is less Maximum Ambient Temperature 130C 130C Resistors derated to zero load at this temperature Nominal Resistance Range 1 - 5.6 meg 1 - 20 meg Standard Resistance Tolerances 5%, 10% 5%, 10% Dielectric Withstand Voltage Atmospheric Pressure 500V 700V Barometric pressure 3.4 Hg 115 millibars 325V 450V Insulation Resistance (min.) 10,000 meg 10,000 meg Voltage Coef cient of Resistance % resistance change/volt at 10% and (min.) -.005% -.005% 100% RCWV for values 1K to 20 meg (max.) -.032% -.032% Short-Time Overload Maximum Voltage 700V 700V Apply 2.5 times RCWV at maximum Typical resistance change 0.5% 0.5% Indicated for 5 seconds Maximum resistance change 2% 2% General Note General Note IRC reserves the right to make changes in product speci cation without notice or liability. TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to IRCs own data and is considered accurate at time of going to print. A subsidiary of 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 Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA IBT Series Issue September 2010 Sheet 1 of 2 Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com TT Electronics plc 4.15Carbon Composition IBT Series Resistor Make Possible Carbon Composition Resistor IBT Series Resistance Temperature Characteristics Resistance Range -55C -105C under 1K +2.0 to +5.0 -4.0 to -2.0 1K to 9.1 K +5.0 to +9.0 -5.0 to -3.0 Maximum percent resistance change from room temperature 10K to 91K +8.0 to +11.0 -7.0 to -5.0 (+25C) value 100K to 910K +10.0 to +14.0 -9.0 to -7.0 1 meg to 10 meg 13.0 to +20.0 -14.0 to -9.0 Physical Data B D A A PACKAGING: 5000/reel 1000/bulk C Dimensions (Inches and (mm)) IRC Type A B C D 1.18 0.12 0.248 0.028 0.024 0.002 0.094 0.004 IBT 1/4 (30.00 3.0) (6.3 0.70) (0.60 0.05) (2.40 0.10) 1.1 0.12 0.374 + 0.032 / -0.028 0.0275 0.002 0.142 0.008 IBT 1/2 (28.00 3.0) (9.50 + 0.80 / -0.70) (0.70 0.05) (3.6 0.20) Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA IBT Series Issue September 2010 Sheet 2 of 2 Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com 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 4.15