G, GN
Vishay Dale
Wirewound Resistors, Military, MIL-PRF-26 Qualified,
Type RW, Precision Power, Silicone Coated
FEATURES
• From 1.4 to 4 times higher power ratings than conventional
resistors of equivalent size
• High temperature coating
• Complete welded construction
• Meets applicable requirements of MIL-PRF-26
• Available in non-inductive styles (type GN) with Aryton-
Perry winding for lowest reactive components
• Excellent stability in operation
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE RANGE
MIL. RANGE SHOWN IN BOLD FACE
POWER RATING*
WEIGHT
(Typical)
P25°C
W
MODEL MIL-PRF-26
Ω
U
V
0.5%, 1%
TYPE
0.05% thru 5%
3% & 5%
0.05%
1.0 - 1k
0.1%
0.25%
0.499 - 3.4k
0.499 - 1k
3%, 5%
0.1 - 3.4k
0.1 - 1k
g
G-1-80
G-1-380
G-2
—
RW81
—
1.0
1.0
1.5
2.0
2.0
4.0
5.0
7.0
—
—
0.499 - 1k
0.20
0.20
0.21
0.34
0.34
0.80
1.20
3.60
—
0.499 - 1k
—
1.0 - 1.3k
1.0 - 2.74k
—
0.499 - 1.3k
0.499 - 2.74k
0.499 - 2.74k
0.499 - 6.5k
0.499 - 8.6k
0.499 - 25.7k
0.499 - 4.9k
0.499 - 10.4k
0.499 - 2.74k
0.1 - 24.5k
0.1 - 32.3k
0.1 - 95.2k
0.1 - 4.9k
0.1 - 10.4k
0.1 - 2.74k
0.1 - 24.5k
0.1 - 32.3k
0.1 - 95.2k
G-3-80
G-3-380
G-5
—
—
RW80
—
—
5.0
7.0
10.0
0.499 - 6.5k
0.499 - 8.6k
0.499 - 25.7k
G-5C
—
G-10
—
*Vishay Dale G models have two power ratings, depending on operation temperature and stability requirements.
NOTE: Shaded area indicates most popular models.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
G RESISTOR CHARACTERISTICS
Temperature Coefficient
ppm/˚C
90 for below 1Ω, 50 for 1Ω to 9.9Ω, 20 for 10Ω and above
Dielectric Withstanding Voltage VAC
500 minimum for G-1-80 thru G-3-380, 1000 minimum for all others
Short Time Overload
–
5 x rated power for 5 seconds for G-1-80 thru G-5C (Characteristic U),
10 x rated power for 5 seconds for G-10
Maximum Working Voltage
Insulation Resistance
Terminal Strength
V
Ω
lb
–
(P x R)1/2
1000 Megohm minimum dry, 100 Megohm minimum after moisture test
5 minimum for G-1-80 thru G-3-380, 10 minimum for all others
Solderability
MIL-PRF-26 type - Meets requirements of ANSI J-STD-002
Non Mil type - Terminals are 60/40 electro tin plated to facilitate soldering
Operating Temperature Range
Power Rating
°C
–
Characteristic U = - 65/+ 250, Characteristic V = - 65/+ 350
Characteristic U - + 250°C max. hot spot temperature, 0.5% max. ∆R in 2000 hr. load life
Characteristic V - + 350°C max. hot spot temperature, 3.0% max. ∆R in 2000 hr. load life
ORDERING INFORMATION
G-3-80
10Ω
RESISTANCE
Ω
1.0%
TOLERANCE
%
MODEL
www.vishay.com
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For technical questions, contact ww2bresistors@vishay.com
Document Number 30205
Revision 06-Apr-01