PRECISION METAL FILM RESISTORS
ISO-9001
Registered
GP
SERIES
•
•
•
•
•
Meets requirements of MIL-R-10509
10 ohm - 10 megohm resistance range
Flame-retardant coatings are standard
Temperature coefficients from ±25 to ±100ppm/°C
Resistance range tolerance of ±0.1% - 1%
PERFORMANCE CHARACTERISTICS (TESTED PER MIL-STD-202):
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
RESISTANCE
MAXIMUM
MIL
TEMPERATURE
WORKING
REFERENCE
COEFFICIENT
VOLTAGE
(±ppm/°C)
RN50
RN50
RN50
200
200
200
100
50
25
TOLERANCE & RESISTANCE RANGE
IRC TYPE
+1%
10 - 2.37 Meg
10 ohm - 1 Meg
49.9 ohm - 499K ohm
±.5%
±.25 and ±0.1%
10 ohm - 499K ohm 100 ohm - 100K ohm
10 ohm - 499K ohm 100 ohm - 100K ohm
49.9 ohm - 499K ohm 100 ohm - 100 K 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
MIL-R-10509
ENVIRONMENTAL (%∆R)
∆
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
Typical
±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.
10ppm/V
Char. D
±1.5
±0.5
±1.0
±0.5
±0.5
±0.2
±0.5
±0.5
-55°C to +165°C
Char. C
±0.5
±0.25
±0.5
±0.25
±0.1
±0.2
±0.25
±0.25
-55°C to +165°C
EIA RS-196
Class 1
±1.5
-
±2.0
-
-
-
±0.5
±0.5
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road
•
Boone, North Carolina 28607-1860
•
Tel: 828-264-8861
•
Fax: 828-264-8866
•
www.irctt.com
1
ISO-9001
Registered
GP DIMENSIONS
(Inches and (mm)):
A
B
A
D
C
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)
GP PERFORMANCE CURVES:
Derating Curve (Typical)
100
GP CONSTRUCTION:
Percent Rated Load
80
60
40
20
0
0
20
40
60
80
100 120 140 160 180
Ambient Temperature (°C)
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.
High-Frequency Characteristics (Typical)
1.0
100Ω
1KΩ
Ratio Rf/RDC
0.8
0.6
0.4
0.2
0
10KΩ
100KΩ
0.1
1
10
100
Frequency (MHz)
Current Noise (Typical)
1.0
RN 1/4
GP-55
HOW TO ORDER:
0
RN 1/2
Sample Part No.:
GP
IRC Type
(db)
Size
TCR
Resistance Value
55
100
1001
F
Ratio Rf/RDC
0.3
0.1
0.03
0.01
0.003
10
100
1K
10K
100K
-10
-20
-30
-40
-50
GP-60
3 digit range and 1 digit multiplier
Nominal Resistance (ohms)
Tolerance
F = 1%, D = .5%, C = .25%, B = .1%
Packaging:
Bulk or
Tape and Reel
2
WIREWOUND AND FILM TECHNOLOGIES DIVISION
736 Greenway Road
•
Boone, North Carolina 28607-1860
•
Tel: 828-264-8861
•
Fax: 828-264-8866
•
www.irctt.com
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