Precision Metal Film
Resistors
GP Series
•
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
Electrical Data
IRC
Type
IRC Power
Rating
(watts)
@
70°C
GP-50 (T0)
GP-50 (T2)
GP-50 (T9)
1/8
1/8
1/8
@
125°C
1/10
1/10
1/10
RN50
RN50
RN50
Tolerance & Resistance Range
MIL
Reference
Maximum
Working
Voltage
Resistance
Temperature
Coefficient
(±ppm/°C)
+1%
±.5%
±.25 and ±0.1%
200
200
200
100
50
25
10 - 2.37 Meg
10 ohm - 1 Meg
49.9 ohm - 499K ohm
10 ohm - 499K ohm
10 ohm - 499K ohm
49.9 ohm - 499K ohm
100 ohm - 100K ohm
100 ohm - 100K ohm
100 ohm - 100K ohm
GP-55 (T0)
GP-55 (T2)
GP-55 (T9)
1/4
1/4
1/4
1/8
1/8
1/8
RN55
RN55
RN55
250
250
250
100
50
25
10 ohm - 10 Meg
10 ohm - 4.99 Meg
30 ohm - 499K ohm
10 ohm - 499K ohm
10 ohm - 499K ohm
30 ohm - 499K ohm
30 ohm - 300K ohm
30 ohm - 300K ohm
30 ohm - 300K ohm
GP-60 (T0)
GP-60 (T2)
GP-60 (T9)
1/2
1/2
1/2
1/4
1/4
1/4
RN60
RN60
RN60
350
350
350
100
50
25
10 ohm - 10 Meg
10 ohm - 4.99 Meg
49.9 ohm - 499K ohm
10 ohm - 499K ohm
10 ohm - 499K ohm
49.9 ohm - 499K ohm
100 ohm - 100K ohm
100 ohm - 100K ohm
100 ohm - 100K ohm
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.
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
A subsidiary of
TT electronics plc
GP Series Issue October 2008 Sheet 1 of 4
Thick Film
Metal Glaze™ Resistor
Environmental Data
MIL-R-10509
Environmental (%∆R)
Typical
Moisture Resistance
Thermal Shock
Load life @ 70°C - 1000 hours
Shock and Vibration
Resistance to Soldering Heat
Terminal Strength
Dielectric Withstand Voltage
Short Time Overload
Operating Temperature Range
Maximum Pulse Voltage
Insulation Resistance
Voltage Coefficient
±0.5
±0.25
±0.5
±0.25
±0.1
±0.2
±0.25
±0.25
-55°C to +165°C
GP50 400V, GP55
500V, GP60 600V
10,000 meg min.
100ppm/V
Char. D
±1.5
±0.5
±1.0
±0.5
±0.5
±0.2
±0.5
±0.5
-55°C to +165°C
±0.5
±0.25
±0.5
±0.25
±0.1
±0.2
±0.25
±0.25
-55°C to +165°C
Char. C
EIA RS-196
Class 1
±1.5
-
±2.0
-
-
-
±0.5
±0.5
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
GP Series Issue October 2008 Sheet 2 of 4
Thick Film
Metal Glaze™ Resistor
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.
Carbon-film resistors have a homogeneous film of pure carbon deposited by a pyrolitic process at carefully controlled
temperatures.
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
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
GP Series Issue October 2008 Sheet 3 of 4
Thick Film
Metal Glaze™ Resistor
Performance Curves
High-Frequency Characteristics (Typical)
1.0
100Ω
1KΩ
10KΩ
Ordering Data
Sample Part No.
IRC Type
Size
TCR
Resistance Value
GP
55
100
1001
F
BLK
Ratio RF / RDC
0.8
0.6
0.4
0.2
0
0.1
1
10
100
100KΩ
3 digit range and 1 digit multiplier
Tolerance
F = 1%, D = .5%, C = .25%, B = .1%
Packaging
Bulk or Tape and Reel
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
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
(db)
GP Series Issue October 2008 Sheet 4 of 4
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