Carbon Composition
Resistor
IBT Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.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.
© TT electronics plc
09. 11
·
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 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
-OLDED"ODY
4INNED,EADS
-OLDED#OMPOSITION%LEMENTS
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 IBT 1
Power Rating
Determined by load life test 100% load @ 70°C ambient
1/4W 1/2W 1W
Rated Continuous Working Voltage (RCWV)
P x R or 250 volts
whichever is less
P x R or 350 volts
whichever is less
P x R or 500 volts
whichever is less
Maximum Ambient Temperature
Resistors derated to zero load at this temperature
±130°C ±130°C ±130°C
Nominal Resistance Range
1: - 5.6 meg: 1: - 20 meg: 2.2: - 1 meg:
Standard Resistance Tolerances
±5%, ±10% ±5%, ±10% ±10%
Dielectric Withstand Voltage
Atmospheric Pressure
Barometric pressure 3.4" Hg 115 millibars
500V
325V
700V
450V
1000V
650V
Insulation Resistance (min.)
10,000 meg 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%
-.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%
700V
±0.5%
±2%
IBT Series Issue September 2010 Sheet 1 of 2
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 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
-OLDED"ODY
4INNED,EADS
-OLDED#OMPOSITION%LEMENTS
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 IBT 1
Power Rating
Determined by load life test 100% load @ 70°C ambient
1/4W 1/2W 1W
Rated Continuous Working Voltage (RCWV)
P x R or 250 volts
whichever is less
P x R or 350 volts
whichever is less
P x R or 500 volts
whichever is less
Maximum Ambient Temperature
Resistors derated to zero load at this temperature
±130°C ±130°C ±130°C
Nominal Resistance Range
1: - 5.6 meg: 1: - 20 meg: 2.2: - 1 meg:
Standard Resistance Tolerances
±5%, ±10% ±5%, ±10% ±10%
Dielectric Withstand Voltage
Atmospheric Pressure
Barometric pressure 3.4" Hg 115 millibars
500V
325V
700V
450V
1000V
650V
Insulation Resistance (min.)
10,000 meg 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%
-.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%
700V
±0.5%
±2%
IBT Series Issue September 2010 Sheet 1 of 2
