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)
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
Excellent stability in operation (typical resistance
shift < 0.5 %)
e3
RoHS*
•
•
COMPLIANT
Lead (Pb)-free version is RoHS compliant
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING****
RESISTANCE RANGE
P
25 °C W
MIL. RANGE SHOWN IN BOLD FACE Ω
WEIGHT
(Typical)
GLOBAL
MODEL
HIST.
MIL-PRF-26
MODEL
U
V
ꢀ.5 %, 1 %,
TYPE
ꢀ.ꢀ5 % thru 5 % 3 % & 5 %
ꢀ.ꢀ5 %
ꢀ.1 %
ꢀ.25 %
0.499 - 3.4K
ꢀ.499 - 1K
3 %, 5 %
0.1 - 3.4K
ꢀ.1 - 1K
g
G001...80 G-1-80
G001...380 G-1-380
-
1.0
1.ꢀ
1.5
2.0
2.ꢀ
4.0
5.0
7.0
-
1.0 - 1K
-
0.499 - 1K
ꢀ.499 - 1K
0.20
ꢀ.2ꢀ
0.21
0.34
ꢀ.34
0.80
1.20
3.60
RW81
-
-
-
G002
G-2
1.0 - 1.3K
0.499 - 1.3K 0.499 - 4.9K
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 0.1 - 10.4K
ꢀ.499 - 2.74K ꢀ.499 - 2.74K ꢀ.1 - 2.74K
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
0.1 - 24.5K
0.1 - 32.3K
0.1 - 95.2K
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
Temperature Coefficient
Dielectric Withstanding Voltage
UNIT
ppm/°C
VAC
G RESISTOR CHARACTERISTICS
90 for below 1 Ω, 50 for 1 Ω to 9.9 Ω, 20 for 10 Ω and above
500 minimum for G-1-80 thru G-3-380, 1000 minimum for all others
5 × rated power for 5 sec. for G-1-80 thru G-5C (Characteristic U),
10 × rated power for 5 sec. for G-10
Short Time Overload
-
Maximum Working Voltage
Insulation Resistance
Terminal Strength
V
W
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
Solderability
-
°C
-
Non Mil type - Terminals are 60/40 electro tin plated to facilitate soldering
Operating Temperature Range
Power Rating
Characterisitic U = - 65/+ 250, Characteristic V = - 65/+ 350
Characterisitic U - + 250 °C max. hot spot temperature, 0.5 % max. ΔR in 2000 hr. load life
Characterisitic V - + 350 °C max. hot spot temperature, 3.0 % max. ΔR in 2000 hr. load life
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: Gꢀꢀ31ꢀRꢀꢀFS7ꢀ8ꢀ (preferred part number format)
G
ꢀ
ꢀ
3
1
ꢀ
R
ꢀ
ꢀ
F
S
7
ꢀ
8
ꢀ
GLOBAL MODEL RESISTANCE VALUE TOLERANCE CODE
PACKAGING
SPECIAL
(See Standard
Electrical
R = Decimal
K = Thousand
15Rꢀꢀ = 15 Ω
1ꢀKꢀꢀ = 10 kΩ
A = 0.05 %
B = 0.1 %
C = 0.25 %
D = 0.5 %
F = 1.0 %
J = 5.0 %
K = 10.0 %
E7ꢀ = Lead (Pb)-free, Tape/Reel (smaller than G010) (Dash Number)
E73 = Lead (Pb)-free, Tape/Reel (G010 & larger)
E12 = Lead (Pb)-free, Bulk
(up to 3 digits)
From 1 - 999
as applicable
Specifications
Global Model
column for options)
Lead (Pb)-free is not available on RW military type
S7ꢀ = Tin/Lead, Tape/Reel (smaller than G010)
S73 = Tin/Lead, Tape/Reel (G010 & larger)
B12 = Tin/Lead, Bulk
Historical Part Number example: G-3-8ꢀ 1ꢀ Ω 1 % S7ꢀ (will continue to be accepted)
G-3-8ꢀ
1ꢀ Ω
1 %
S7ꢀ
HISTORICAL MODEL
RESISTANCE VALUE
TOLERANCE CODE
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
www.vishay.com
128
For technical questions contact ww2bresistors@vishay.com
Document Number: 30205
Revision: 22-Mar-06