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 (> 350 °C)
• Complete welded construction
Pb-free
Available
• 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 (typical resistance
shift < 0.5 %)
e3
RoHS*
COMPLIANT
• Lead (Pb)-free version is RoHS Compliant
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING**
P25 °C
RESISTANCE RANGE
MIL. RANGE SHOWN IN BOLD FACE Ω
GLOBAL HISTORICAL MIL-PRF-26
MODEL MODEL
WEIGHT
(Typical)
W
U
V
3 % &
±
0.5 %,
3 %,
±
1 %
5 %
TYPE
±
0.05 % thru
±
5 %
±
±
5 % ± 0.05 %
± 0.1 %
± 0.25 %
±
±
g
G001...80 G-1-80
G001...380 G-1-380
—
RW81
—
1.0
1.0
1.5
2.0
2.0
4.0
5.0
7.0
—
—
—
—
—
1.0 - 1 k
0.499 - 1 k
0.499 - 3.4 k
0.1 - 3.4 k
0.1 - 1 k
0.20
0.20
0.21
0.34
0.34
0.80
1.20
3.60
—
0.499 - 1 k
0.499 - 1 k
G002
G-2
1.0 - 1.3 k 0.499 - 1.3 k 0.499 - 4.9 k
1.0 - 2.74 k 0.499 - 2.74 k 0.499 - 10.4 k
0.1 - 4.9 k
0.1 - 10.4 k
0.1 - 2.74 k
0.1 - 24.5 k
0.1 - 32.3 k
0.1 - 95.2 k
G003...80 G-3-80
G003...380 G-3-380
—
RW80
—
—
0.499 - 2.74 k 0.499 - 2.74 k
G005
G05C
G010
G-5
5.0
7.0
0.499 - 6.5 k 0.499 - 6.5 k 0.1 - 24.5 k
0.499 - 8.6 k 0.499 - 8.6 k 0.1 - 32.3 k
0.499 - 25.7 k 0.499 - 25.7 k 0.1 - 95.2 k
G-5C
G-10
—
—
10.0
**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 1 Ω, ± 50 for 1 Ω to 9.9 Ω, ± 20 for 10 Ω 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
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: G00310R00FS7080 (preferred part numbering format)
G
0
0
3
1
0
R
0
0
F
S
7
0
8
0
GLOBAL MODEL
RESISTANCE
VALUE
TOLERANCE CODE
PACKAGING
SPECIAL
(See Standard
Electrical
Specifications
Global Model
column for
options)
R = Decimal
K = Thousand
15R00 = 15 Ω
10K00 = 10 kΩ
A = 0.05 % B = 0.1 %
C = 0.25 % D = 0.5 %
F = 1.0 % J = 5.0 %
K = 10.0 %
(Dash Number)
(up to 3 digits)
From 1-999
E70 = Lead (Pb)-free, Tape/Reel (smaller than G010)
E73 = Lead (Pb)-free,Tape/Reel (G010 & larger)
E12 = Lead (Pb)-free, Bulk
Lead (Pb)-free is not available on RW military type
as applicable
S70 = Tin/Lead, Tape/Reel (smaller than G010)
S73 = Tin/Lead, Tape/Reel (G010 & larger)
B12 = Tin/Lead, Bulk
Historical Part Number example: G-3-80
G-3-80
10 Ω
10 Ω
1 %
S70
(will continue to be accepted)
1 %
S70
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
* Pb containing terminations are not RoHs compliant, exemptions may apply
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For technical questions, contact ww2bresistors@vishay.com
Document Number 30205
Revision 22-Mar-06