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Meets performance standards of EIA RS-172 Hot molded process for product uniformity Ideal for pulse-loaded handling Non-inductive design General Note IRC reserves the right to make changes in product specifi cation without notice or liability. All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of TT electronics plc• 4222 South Staples Street • Corpus Christi Texas 78411 USAWire and Film Technologies Division Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com IBT Series Carbon Composition Resistor Electrical Data

  • Meets performance standards of EIA RS-172
  • Hot molded process for product uniformity
  • Ideal for pulse-loaded handling
  • Non-inductive design Tested Per MIL-STD-202 IBT 1/4 IBT 1/2 Power Rating Determined by load life test 100% load @ 70°C ambient 1/4W 1/2W Rated Continuous Working Voltage (RCWV) P x R or 250 volts whichever is less P x R or 350 volts whichever is less Maximum Ambient Temperature Resistors derated to zero load at this temperature ±130°C ±130°C Nominal Resistance Range 1Ω - 5.6 megΩ 1Ω - 20 megΩ Standard Resistance Tolerances ±5%, ±10% ±5%, ±10% Dielectric Withstand Voltage Atmospheric Pressure Barometric pressure 3.4" Hg 115 millibars 500V 325V 700V 450V Insulation Resistance (min.) 10,000 meg 10,000 meg Voltage Coeffi cient of Resistance % resistance change/volt at 10% and (min.) 100% RCWV for values 1K to 20 meg (max.) -.005% -.032% -.005% -.032% Short-Time Overload Maximum Voltage Apply 2.5 times RCWV at maximum Typical resistance change Indicated for 5 seconds Maximum resistance change 700V ±0.5% ±2% 700V ±0.5% ±2% IBT Series Issue September 2010 Sheet 1 of 2 Make Possible Resistors All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) 4.15 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. © TT Electronics plc www.ttelectronicsresistors.com
  • 4222 South Staples Street • Corpus Christi Texas 78411 USAWire and Film Technologies Division Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com Resistance Temperature Characteristics C°501-C°55-egnaR ecnatsiseR Maximum percent resistance change from room temperature (+25°C) value under 1K 1K to 9.1 K 10K to 91K 100K to 910K 1 meg to 10 meg +2.0 to +5.0 +5.0 to +9.0 +8.0 to +11.0 +10.0 to +14.0 13.0 to +20.0 -4.0 to -2.0 -5.0 to -3.0 -7.0 to -5.0 -9.0 to -7.0 -14.0 to -9.0 Dimensions (Inches and (mm)) DCBAepyT CRI IBT 1/4 1.18 ± 0.12 (30.00 ± 3.0) 0.248 ± 0.028 (6.3 ± 0.70) 0.024 ± 0.002 (0.60 ± 0.05) 0.094 ± 0.004 (2.40 ± 0.10) IBT 1/2 1.1 ± 0.12 (28.00 ± 3.0) 0.0275 ± 0.002 (0.70 ± 0.05) 0.142 ± 0.008 (3.6 ± 0.20) Physical Data B C A A D PACKAGING: 5000/reel 1000/bulk IBT Series Carbon Composition Resistor IBT Series Issue September 2010 Sheet 2 of 2 Make Possible 4.15 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. © TT Electronics plc www.ttelectronicsresistors.com
  • 4222 South Staples Street • Corpus Christi Texas 78411 USAWire and Film Technologies Division Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com Resistance Temperature Characteristics C°501-C°55-egnaR ecnatsiseR Maximum percent resistance change from room temperature (+25°C) value under 1K 1K to 9.1 K 10K to 91K 100K to 910K 1 meg to 10 meg +2.0 to +5.0 +5.0 to +9.0 +8.0 to +11.0 +10.0 to +14.0 13.0 to +20.0 -4.0 to -2.0 -5.0 to -3.0 -7.0 to -5.0 -9.0 to -7.0 -14.0 to -9.0 Dimensions (Inches and (mm)) DCBAepyT CRI IBT 1/4 1.18 ± 0.12 (30.00 ± 3.0) 0.248 ± 0.028 (6.3 ± 0.70) 0.024 ± 0.002 (0.60 ± 0.05) 0.094 ± 0.004 (2.40 ± 0.10) IBT 1/2 1.1 ± 0.12 (28.00 ± 3.0) 0.0275 ± 0.002 (0.70 ± 0.05) 0.142 ± 0.008 (3.6 ± 0.20) Physical Data B C A A D PACKAGING: 5000/reel 1000/bulk IBT Series Carbon Composition Resistor IBT Series Issue September 2010 Sheet 2 of 2 Make Possible 4.15 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. © TT Electronics plc www.ttelectronicsresistors.com Ordering Procedure This product has two valid part numbers: European (Welwyn) Part Number: IBT1/2-20KJI (IBT1/2, 20 kilohms ±5%, Pb-free) I B T 1 / - 2 0 K J I 1 2 3 4 USA (IRC) Part Number: IBT1/2203JLFLTR (IBT1/2, 20 kilohms ±5%, Pb-free) I B T 1 2 0 3 J L F L T R/ 2 1 2 3 4 5 1 2 3 4 Type Value Tolerance Packing & Termination Finish IBT1/4 3/4 characters R = ohms K = kilohms M = megohms J = ±5% I = Tape Pack & Pb-free IBT1/2 K = ±10% All sizes Taped, 5000/reel 1 2 3 4 5 Type Value Tolerance Termination Finish Packing IBT1/4 2 digits + multiplier J = ±5% LF = Pb-free LTR = Lead Tape Omit for Bulk PackIBT1/2 R = ohms for values <10 ohms K = ±10% All sizes 5000/reel 1000/bulk