RS, NS
Vishay Dale
Wirewound Resistors, Military, MIL-PRF-26 Qualified,
Type RW, Precision Power, Silicone Coated
FEATURES
•
•
•
•
High temperature coating
Complete welded construction
Meets applicable requirements of MIL-PRF-26
Available in non-inductive styles (type NS) with
Aryton-Perry winding for lowest reactive components
• Excellent stability in operation
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
MIL-PRF-26
TYPE
POWER RATING***
P25°C
W
U
V
± 0.05% thru ± 3% thru
± 5%
± 10%
RESISTANCE RANGE
MIL. RANGE SHOWN IN BOLD FACE
WEIGHT
(Typical)
Ω
± 0.05%
± 0.1%
± 0.25%
± 0.5%, ± 1%
± 3%, ± 5%
± 10%
g
.125
—
—
—
—
0.1 - 950
0.15
.4
—
1 - 1k
0.499 - 1k
0.499 - 3.4k
0.1 - 3.4k
0.21
.75
—
1 - 1.3k
0.499 - 1.3k
0.499 - 4.9k
0.1 - 4.9k
0.23
1.0
—
1 - 2.74k
0.499 - 2.74k 0.499 - 10.4k
0.1 - 10.4k
0.34
1.0
—
0.499 - 2.74k 0.499 - 10.4k
0.1 - 10.4k
—
0.34
RW70**
1.0
—
0.1 - 2.74k
RS-1M
—
1.0
—
1 - 1.32k
0.499 - 1.67k 0.499 - 6.85k
0.1 - 6.85k
0.30
RS-2
—
4.0
5.5
0.499 - 12.7k
0.499 - 12.7k
0.1 - 47.1k
0.1 - 47.1k
2.10
RS-2M
—
3.0
—
0.499 - 4.49k
0.499 - 4.49k
0.1 - 18.74k
0.1 - 18.74k
0.65
RS-2B
—
3.0
3.75
0.499 - 6.5k
0.499 - 6.5k
0.1 - 24.5k
0.1 - 24.5k
0.70
RS-2B-300
3.0
—
0.499 - 6.5k
0.1 - 24.5k
0.1 - 24.5k
—
0.70
RW79**
3.0
—
0.1 - 6.49k
RS-2C
—
2.5
3.25
0.499 - 8.6k
0.499 - 8.6k
0.1 - 32.3k
0.1 - 32.3k
1.6
RS-2C-17
—
2.5
3.25
0.499 - 6.8k
0.499 - 8.6k
0.1 - 32.3k
0.1 - 32.3k
1.6
RS-2C-23
—
3.25
0.1 - 32.3k
—
—
—
1.6
RW69*
—
3.0
0.1 - 2.0k
RS-5
—
5.0
6.5
0.499 - 25.7k
0.499 - 25.7k
0.1 - 95.2k
0.1 - 95.2k
4.2
RS-5-69
5.0
—
—
0.499 - 25.7k
0.1 - 95.2k
0.1 - 95.2k
4.2
RW74**
5.0
—
0.1 - 24.3k
RS-5-70
—
6.5
0.1 - 95.2k
—
—
—
4.2
RW67*
—
6.5
0.1 - 8.2k
RS-7
—
7.0
9.0
0.499 - 41.4k
0.499 - 41.4k
0.1 - 154k
0.1 - 154k
4.7
RS-10
—
10.0
13.0
0.499 - 73.4k
0.499 - 73.4k
0.1 - 273k
0.1 - 273k
9.0
RS-10-38
10.0
—
0.499 - 73.4k
0.1 - 273k
0.1 - 273k
—
9.0
RW78**
10.0
–
0.1 - 71.5k
RS-10-39
—
13.0
0.1 - 273k
—
—
—
9.0
RW68*
—
11.0
0.1 - 20k
* Standard tolerance for these Mil parts is ± 5% 1Ω and above, ± 10% below 1Ω.
**Standard tolerance for these Mil parts is ± 0.5% & ± 1% for resistance values 0.1Ω and above, ± 0.1% for resistance values 0.499Ω and above.
***Vishay Dale RS models have two power ratings depending on operation temperature and stability requirements.
NOTE: Shaded area indicates most popular models.
RS-1/8
RS-1/4
RS-1/2
RS-1A
RS-1A-300
—
—
—
—
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Dielectric Withstanding Voltage VAC
Short Time Overload
–
Maximum Working Voltage
Insulation Resistance
Terminal Strength
Solderability
V
Ω
lb
–
Operating Temperature Range
Power Rating
°C
–
RS RESISTOR CHARACTERISTICS
± 90 for below 1Ω, ± 50 for 1Ω to 9.9Ω, ± 20 for 10Ω and above
500 minimum for RS-1/8 thru RS-1A, 1000 minimum for all others
5 x rated power for 5 seconds for 3.75 watt size and smaller,
10 x rated power for 5 seconds for 4 watt size and greater
(P x R)1/2
1000 Megohm minimum dry, 100 Megohm minimum after moisture test
5 minimum for RS-1/8 thru RS-1A, 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
Characterisitic 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
RS-1A
MODEL
www.vishay.com
116
10Ω
RESISTANCE
Ω
For technical questions, contact ww2bresistors@vishay.com
1.0%
TOLERANCE
±%
Document Number 30204
Revision 10-Jun-02
