Carbon Composition Resistor
IBT Series
Features
IBT Series
Carbon Composition Resistor
Meets performance standards of EIA RS-172
Hot molded process for product uniformity
Ideal for pulse-loaded handling
Non-inductive design
Meets performance standards of EIA RS-172
•
•
Hot molded process for product uniformity
•
Ideal for pulse-loaded handling
•
Non-inductive
design
NOT RECOMMENDED FOR NEW DESIGNS
All parts are Pb-free and comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3)
Electrical Data
Tested Per MIL-STD-202
IBT 1/4
Equivalent Allen Bradley reference
Power Rating
Determined by load life test 100% load @ 70°C ambient
Rated Continuous Working Voltage (RCWV)
Maximum Ambient Temperature
Resistors derated to zero load at this temperature
Nominal Resistance Range
Standard Resistance Tolerances
Dielectric Withstand Voltage
Atmospheric Pressure
Barometric pressure 3.4" Hg 115 millibars
Insulation Resistance
Voltage
Coeffi
cient of Resistance
% resistance change/volt at 10% and
100% RCWV for values 1K to 20 meg
Short-Time Overload
Apply 2.5 times RCWV at maximum
Indicated for 5 seconds
(min.)
(max.)
Maximum Voltage
Typical resistance change
Maximum resistance change
-.005%
-.032%
700V
±0.5%
±2%
-.005%
-.032%
700V
±0.5%
±2%
(min.)
500V
325V
10,000 meg
700V
450V
10,000 meg
RC07
1/4W
P x R or 250 volts
whichever is less
IBT 1/2
RC20
1/2W
P x R or 350 volts
whichever is less
+130°C
1Ω - 5.6 megΩ
10%
1Ω - 20 megΩ
General Note
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.
TT
Wire and Film Technologies
make changes in
South Staples Street • Corpus Christi Texas
or liability.
Electronics reserves the right to
Division
• 4222
product specification without notice
78411 USA
Telephone: 361 992 7900 Facsimile: 361 992
own data and is considered
All information is subject
•
to TT Electronics’
3377 • Website: www.irctt.com
accurate at time of going to print.
subsidiary of
BI Technologies IRC
TTAelectronics plc
Welwyn
IBT Series Issue September 2010 Sheet 1 of 2
www.ttelectronics.com/resistors
© TT Electronics plc
02.22
IBT
Composition Resistor
Carbon
Series
Carbon Composition Resistor
IBT Series
NOT RECOMMENDED FOR NEW DESIGNS
Resistance Temperature Characteristics
Resistance Range
under 1K
Maximum percent resistance
change from room temperature
(+25°C) value
1K to 9.1 K
10K to 91K
100K to 910K
1 meg to 10 meg
-55°C
+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
+105°C
-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
Physical Data
A
B
A
D
PACKAGING:
5000/reel
1000/bulk
C
Dimensions (Inches and (mm))
IRC Type
IBT 1/4
IBT 1/2
A
1.18 ± 0.12
(30.00 ± 3.0)
1.1 ± 0.12
(28.00 ± 3.0)
B
0.248 ± 0.028
(6.3 ± 0.70)
0.374 + 0.032 / -0.028
(9.50 + 0.80 / -0.70)
C
0.024 ± 0.002
(0.60 ± 0.05)
0.0275 ± 0.002
(0.70 ± 0.05)
D
0.094 ± 0.004
(2.40 ± 0.10)
0.142 ± 0.008
(3.6 ± 0.20)
Application notes - Lead forming within 2mm of the body and soldering within 4mm of the body are not recommended.
Owing to the hydroscopic nature of carbon composition technology, aqueous washing is not recommended.
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
IBT Series Issue September 2010 Sheet 2 of 2
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.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
02.22
IBT 1/4
1.18 ± 0.12
(30.00 ± 3.0)
1.1 ± 0.12
0.248 ± 0.028
(6.3 ± 0.70)
0.374 + 0.032 / -0.028
0.024 ± 0.002
(0.60 ± 0.05)
0.0275 ± 0.002
(0.70 ± 0.05)
0.094 ± 0.004
(2.40 ± 0.10)
0.142 ± 0.008
(3.6 ± 0.20)
IBT 1/2
Carbon Composition Resistor
(9.50 + 0.80 / -0.70)
(28.00 ± 3.0)
IBT Series
NOT RECOMMENDED FOR NEW DESIGNS
Ordering Procedure
This product has two valid part numbers:
European (Welwyn) Part Number: IBT1/2-20KKI
(IBT1/2, 20 kilohms ±10%, Pb-free)
I
B
T
1
1
Type
2
Value
3
1
/
2
-
2
0
2
K
K
3
I
4
4
Tolerance Packing & Termination Finish
IBT1/4 3/4 characters K = ±10%
I = Tape Pack & Pb-free
IBT1/2
R = ohms
All sizes
Taped, 5000/reel
K = kilohms
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
M = megohms
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
IBT Series Issue September 2010 Sheet 2 of 2
USA (IRC) Part Number: IBT1/2203KLFLTR
(IBT1/2, 20 kilohms ±10%, Pb-free)
I
B
T
1
1
Type
2
Value
1
/
2
2
0
2
3
3
K
3
L
4
4
LF = Pb-free
F
L
T
5
5
Packing
LTR = Lead Tape
Omit for Bulk Pack
5000/reel
All sizes
1000/bulk
R
Tolerance Termination Finish
IBT1/4 2 digits + multiplier K = ±10%
IBT1/2 R = ohms for values
<10 ohms
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.
BI Technologies IRC Welwyn
www.ttelectronics.com/resistors
© TT Electronics plc
02.22
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