Precision Metal Film
Resistors
GP Series
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Meets requirements of MIL-R-10509
Flame-retardant coatings are standard
10 ohm - 10 megohm resistance range
Resistance range tolerance of ±0.1% - 1%
Temperature coefficients from ±25 to ±100ppm/°C
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
11.12
Precision Metal Film
Resistors
GP Series
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
11.12
Precision Metal Film
Resistors
Thick Film
Metal Glaze™ Resistor
GP Series
Physical Data
A
B
A
D
C
Dimensions (inches and (mm))
Dimension
A
B
C
D
GP50
1.10 ± .08 (28.0 ± 2.0)
0.13 + .01/-.00 (3.2 + 0.2/-0.0)
0.018 ± .001 (0.45 ± 0.02)
0.073 ± .006 (1.85 ± 0.15)
GP55
1.10 ± .08 (28.0 ± 2.0)
0.24 ± .01 (6.0 ± 0.3)
0.023 ± .002 (0.60 ± 0.05)
0.09 ± .01 (2.4 ± 0.2)
GP60
1.10 ± .08 (28.0 ± 2.0)
0.33 ± .02 (8.5 ± 0.5)
0.027 ± .002 (0.70 ± 0.05)
0.11 ± .01 (2.8 ± 0.3)
Construction
1
2
3
4
5 6
1. COLOR BANDS.
The resistors are permanently color banded for resistance value and tolerance in accordance with EIA specifications.
2. HELIXING.
The units are helixed to a predetermined base to final value ratio to obtain the best TCR, noise and stability characteristics.
3. FILM.
Metal-film resistors have a homogeneous film of metal alloy applied by vacuum deposition.
4. SUBSTRATES.
The substrates are of a proprietary non alkaline ceramic, prepared and processed under exacting conditions to guarantee the
utmost in uniformity and surface characteristics.
5. INSULATION.
The resistors are coated with multiple layers of a baked-on fire-retardant synthetic resin which provides the units with a high
degree of mechanical and electrical protection in the most adverse operating conditions.
6. TERMINATIONS.
Positive contact is provided to the resistance element by precision-made end caps. The lead wires are attached by using
proprietary welding techniques.
Wire and Film Technologies Division
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F
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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.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
11.12
Precision Metal Film
Resistors
GP Series
Thick Film
Metal Glaze™ Resistor
Ordering Data
Sample Part No.
IRC Type
100Ω
1KΩ
10KΩ
Performance Curves
High-Frequency Characteristics (Typical)
1.0
GP
55
100
1001
F
BLK
Ratio RF / RDC
0.8
0.6
0.4
0.2
0
0.1
1
10
100
Size
TCR
Resistance Value
100KΩ
3 digit range and 1 digit multiplier
Tolerance
F = 1%, D = .5%, C = .25%, B = .1%
Packaging
Bulk or Tape and Reel
GP is Pb-free as standard.
By special request Pb-bearing may be supplied, and this is denoted by the suffix PB
Frequency (MHz)
Derating Curve (Typical)
100
Percent Rated Load (%)
80
60
40
20
0
0
20
40
60
80
100 120 140
160 180
Ambient Temperature (°C)
Current Noise (Typical)
1.0
GP-55
0
0.3
-10
GP-60
Ratio Rf / RDC
0.1
-20
0.03
-30
0.01
-40
0.003
10
100
1K
10K
100K
-50
Nominal Resistance (ohms)
Wire and Film Technologies Division
T
:
F
:
T
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W
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.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
11.12
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