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
Pb-free
Available
• 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
e3
RoHS*
• Excellent stability in operation
• Lead (Pb)-Free version is RoHS Compliant
COMPLIANT
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING**
P2ꢁ °C
RESISTANCE RANGE
MIL. RANGE SHOWN IN BOLD FACE
WEIGHT
(Typical)
W
GLOBAL HISTORICAL MIL-PRF-26
MODEL MODEL
Ω
U
V
± ꢀ.ꢁ ꢂ, ± ± ꢂ
TYPE
± ꢀ.ꢀꢁ ꢂ tꢃru ± ꢁ ꢂ ± 3 ꢂ & ± ꢁ ꢂ
± ꢀ.ꢀꢁ ꢂ
1.0 - 1k
—
± ꢀ.± ꢂ
0.499 - 1k
ꢀ.499 - ±k
0.499 - 1.3k
± ꢀ.2ꢁ ꢂ
0.499 - 3.4k
ꢀ.499 - ±k
0.499 - 4.9k
± 3 ꢂ, ± ꢁ ꢂ
g
G001...80 G-1-80
G001...380 G-1-380
—
RW8±
—
1.0
±.ꢀ
1.5
2.0
2.ꢀ
4.0
5.0
7.0
—
—
0.1 - 3.4k
0.20
0.20
0.21
0.34
0.34
0.80
1.20
3.60
ꢀ.± - ±k
G002
G-2
—
1.0 - 1.3k
0.1 - 4.9k
G003...80 G-3-80
G003...380 G-3-380
—
—
1.0 - 2.74k 0.499 - 2.74k 0.499 - 10.4k
ꢀ.499 - 2.74k ꢀ.499 - 2.74k
0.1 - 10.4k
ꢀ.± - 2.74k
0.1 - 24.5k
0.1 - 32.3k
0.1 - 95.2k
RW8ꢀ
—
—
—
G005
G05C
G010
G-5
5.0
7.0
10.0
0.499 - 6.5k 0.499 - 6.5k
0.499 - 8.6k 0.499 - 8.6k
0.1 - 24.5k
0.1 - 32.3k
G-5C
—
G-10
—
0.499 - 25.7k 0.499 - 25.7k 0.1 - 95.2k
**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
Solderability
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
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. ΔR in 2000 hr. load life
Characteristic V - + 350 °C max. hot spot temperature, 3.0 ꢀ max. ΔR in 2000 hr. load life
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: Gꢀꢀ3±ꢀRꢀꢀFS7ꢀ8ꢀ (preferred part numbering format)
G
ꢀ
ꢀ
3
±
ꢀ
R
ꢀ
ꢀ
F
S
7
ꢀ
8
ꢀ
GLOBAL MODEL
RESISTANCE
VALUE
TOLERANCE CODE
PACKAGING
SPECIAL
Gꢀꢀ3
R = Decimal
K = Thousand
±ꢁRꢀꢀ = 15 Ω
±ꢀKꢀꢀ = 10K Ω
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
E7ꢀ = Lead (Pb)-Free, Tape/Reel (smaller than G010)
E73 = Lead (Pb)-Free, Tape/Reel (G010 & larger)
E±2 = Lead (Pb)-Free, Bulk
Lead (Pb)-Free is not available on RWmilitary type
as applicable
S7ꢀ = Tin/Lead, Tape/Reel (smaller than G010)
S73 = Tin/Lead, Tape/Reel (G010 & larger)
B±2 = Tin/Lead, Bulk
Historical Part Number example: G-3-8ꢀ
G-3-8ꢀ
±ꢀ Ω
±ꢀ Ω
± %
S7ꢀ
(will continue to be accepted)
± %
S7ꢀ
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 09-Jan-06