Resistors
Make Possible
Carbon Composition
Resistor
IBT Series
Carbon
IBT Series
Composition Resistor
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
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 Coefficient 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
1/4W
P x R or 250 volts
whichever is less
IBT 1/2
1/2W
P x R or 350 volts
whichever is less
±130°C
1Ω - 5.6 megΩ
±5%, ±10%
±130°C
1Ω - 20 megΩ
±5%, ±10%
General Note
General Note
IRC
Electronics
right to make changes
to
product
changes in
without notice or liability.
without notice or liability.
TT
reserves the
reserves the right
in
make
specification
product specification
All information is subject to IRC’s own data and is considered accurate at time of going to print.
All information is subject to TT Electronics’ 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
© TT Electronics plc
www.ttelectronicsresistors.com
TT electronics plc
IBT Series Issue September 2010 Sheet 1 of 2
A subsidiary of
4.15
Carbon Composition
Resistor
IBT Series
IBT Series
Carbon Composition Resistor
Make Possible
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)
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.
www.ttelectronicsresistors.com
© TT Electronics plc
4.15
IRC Type
IBT 1/4
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)
Carbon Composition
IBT 1/2
Resistor
IBT Series
Make Possible
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
1
Type
2
Value
3
J = ±5%
K = ±10%
1
/
2
-
2
0
2
K
J
3
I
4
4
I = Tape Pack & Pb-free
All sizes
Taped, 5000/reel
Tolerance Packing & Termination Finish
IBT1/4 3/4 characters
IBT1/2
R = ohms
K = kilohms
M = megohms
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
USA (IRC) Part Number: IBT1/2203JLFLTR
(IBT1/2, 20 kilohms ±5%, Pb-free)
I
B
T
1
1
Type
2
Value
1
/
2
2
0
2
3
3
J
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 J = ±5%
IBT1/2 R = ohms for values K = ±10%
<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.
www.ttelectronicsresistors.com
© TT Electronics plc
4.15
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