RS, NS
Vishay Dale
Wirewound Resistors, Military, MIL-PRF-26 Qualified,
Type RW, Precision Power, Silicone Coated
FEATURES
High temperature coating (> 350
°C)
Complete welded construction
Pb-free
Meets applicable requirements of MIL-PRF-26
Available
Available in non-inductive styles (type NS) with
Aryton-Perry winding for lowest reactive components
e3
• Excellent stability in operation (typical resistance
shift < 0.5 %)
RoHS*
COMPLIANT
• Lead (Pb)-Free version is RoHS Compliant
•
•
•
•
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
HISTORICAL MIL-PRF-26
MODEL
POWER RATING****
P
25
°
C
W
RESISTANCE RANGE
MIL. RANGE SHOWN IN BOLD FACE
Ω
WEIGHT
(Typical)
RS1/8
RS1/4
RS1/2
RS01A
RS01A...300
RS01M
RS002
RS02M
RS02B
RS02B...300
RS02C
RS02C...17
RS02C...23
RS005
RS005...69
RS005...70
RS007
RS010
RS010...38
RS010...39
RS-18
RS-1/4
RS-1/2
RS-1A
RS-1A-300
RS-1M
RS-2
RS-2M
RS-2B
RS-2B-300
RS-2C
RS-2C-17
RS-2C-23
RS-5
RS-5-69
RS-5-70
RS-7
RS-10
RS-10-38
RS-10-39
TYPE
—
—
—
—
RW70***
—
—
—
—
RW79***
—
—
RW69**
—
RW74***
RW67**
—
—
RW78***
RW68**
±
0.05 %
±
3 % thru
thru
±
5 %
±
10 %
0.125
0.4
0.75
1.0
1.0
1.0
1.0
4.0
3.0
3.0
3.0
3.0
2.5
2.5
—
5.0
5.0
5.0
—
—
7.0
10.0
10.0
10.0
—
—
—
—
—
—
—
—
—
5.5
—
3.75
—
—
3.25
3.25
3.25
3.0
6.5
—
—
6.5
6.5
9.0
13.0
—
–
13.0
11.0
U
V
±
0.05 %
—
1-1k
1 - 1.3 k
1 - 2.74 k
—
1 - 1.32 k
0.499 - 12.7 k
0.499 - 4.49 k
0.499 - 6.5 k
—
—_
0.499 - 8.6 k
0.499 - 6.8 k
—
±
0.1 %
—
0.499 - 1k
0.499 - 1.3k
0.499 - 2.74 k
0.499 - 2.74 k
0.499 - 1.67 k
0.499 - 12.7 k
0.499 - 4.49 k
0.499 - 6.5 k
0.499 - 6.5 k
0.499 - 8.6 k
0.499 - 8.6 k
—
±
0.25 %
—
0.499 - 3.4 k
0.499 - 4.9 k
0.499 - 10.4 k
0.499 - 10.4 k
±
0.5 % &
±
1 %
±
3 %,
±
5 %,
±
10 %
0.1 - 950
0.1 - 3.4 k
0.1 - 4.9 k
0.1 - 10.4 k
0.1 - 10.4 k
0.1 - 6.85 k
0.1 - 47.1 k
0.1 - 18.74 k
0.1 - 24.5 k
0.1 - 24.5 k
0.1 - 32.3 k
0.1 - 32.3 k
0.1 - 32.3 k
0.1 - 2.0 k
0.1 - 95.2 k
0.1 - 95.2 k
0.1 - 95.2 k
0.1 - 8.2 k
0.1 - 154 k
0.1 - 273 k
0.1 - 273 k
0.1 - 273 k
0.1 - 20 k
0.1 - 950
0.1 - 3.4 k
0.1 - 4.9 k
0.1 - 10.4 k
0.1 - 10.4 k
0.1 - 2.74 k
0.499 - 6.85 k 0.1 - 6.85 k
0.1 - 47.1 k
0.1 - 47.1 k
0.1 - 18.74 k 0.1 - 18.74 k
0.1 - 24.5 k
0.1 - 24.5 k
0.1 - 24.5 k
0.1 - 24.5 k
0.1 - 6.49 k
0.1 - 32.3 k
0.1 - 32.3 k
0.1 - 32.3 k
0.1 - 32.3 k
—
—
0.1 - 95.2 k
0.1 - 95.2 k
0.1 - 24.3 k
—
0.1 - 154 k
0.1 - 273 k
0.1 - 273 k
0.1 - 71.5 k
—
g
0.15
0.21
0.23
0.34
0.34
0.30
2.10
0.65
0.70
0.70
1.6
1.6
16
4.2
4.2
4.2
4.7
9.0
9.0
9.0
0.499 - 25.7 k 0.499 - 25.7 k 0.1 - 95.2 k
—
0.499 - 25.7 k 0.1 - 95.2 k
—
—
—
0.1 - 154 k
0.1 - 273 k
0.1 - 273 k
—
0.499 - 41.4 k 0.499 - 41.4 k
0.499 - 73.4 k 0.499 - 73.4 k
0.499 - 73.4 k
—
—
—
** Available tolerance for these Mil parts is
±
5 % for 1
Ω
and above,
±
10 % below 1
Ω.
***Available tolerance for these Mil parts is
±
0.5 % &
±
1 % for resistance values 0.1
Ω
and above,
±
0.1 % for resistance values 0.499
Ω
and above.
****Vishay Dale RS models have two power ratings depending on operation temperature and stability requirements.
NOTE:
Shaded area indicates most popular models.
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: RS02C10K00FS7017 (preferred part numbering format)
R
GLOBAL MODEL
(See Standard
Electrical
Specifications Global
Model column
for options)
S
0
2
C
1
0
K
0
0
F
S
7
0
1
7
SPECIAL
(Dash Number)
(up to 3 digits)
From 1-999
as applicable
RESISTANCE
VALUE
R
= Decimal
K
= Thousand
15R00
= 15
Ω
10K00
= 10 kΩ
TOLERANCE CODE
PACKAGING
A
= ± 0.05 %
B
= ± 0.1 %
E70
= Lead (Pb)-free, Tape/Reel (smaller than RS005)
C
= ± 0.25 %
D
= ± 0.5 %
E73
= Lead (Pb)-free, Tape/Reel (RS005 & larger)
F
= ± 1.0 %
J
= ± 5.0 %
E12
= Lead (Pb)-free, Bulk
K
= 10.0 %
Lead (Pb)-free is not available on RW military type
S70
= Tin/Lead, Tape/Reel (smaller than RS005)
S73
= Tin/Lead, Tape/Reel (RS005 & larger)
B12
= Tin/Lead, Bulk
10 kΩ
1%
S70
(will continue to be accepted)
Historical Part Number example: RS-2C-17
RS-2C-17
HISTORICAL MODEL
10 kΩ
RESISTANCE VALUE
1%
TOLERANCE CODE
S70
PACKAGING
* Pb containing terminations are not RoHS compliant, exemptions may apply
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124
For technical questions, contact ww2bresistors@vishay.com
Document Number 30204
Revision 22-Mar-06
RS, NS
Wirewound Resistors, Military, MIL-PRF-26 Qualified,
Type RW, Precision Power, Silicone Coated
DIMENSIONS
A
1.50
[38.10]*
Min.
Vishay Dale
GLOBAL
MODEL
DIMENSIONS
in inches [millimeters]
A
B
C
(Max.)**
D
RS1/8
B
D
C
0.155
±
0.015
[3.94
±
0.381]
0.250
±
0.031
[6.35
±
0.787]
0.312
±
0.016
[7.92
±
0.406]
—
0.281
[7.14]
0.065
±
0.015
[1.65
±
0.381]
0.085
±
0.020
[2.16
±
0.508]
0.020
±
0.002
[0.508
±
0.051]
0.020
±
0.002
[0.508
±
0.051]
*On some standard reel pack methods, the leads may be trimmed to
a shorter length than shown.
NOTE:
RS-1/8 terminal length will be 1.0" [25.4 mm] minimum.
RS1/4
RS1/2
MATERIAL SPECIFICATIONS
0.328 0.078 + 0.016 - 0.031 0.020
±
0.002
[8.33] [1.98 + 0.406 - 0.787] [0.508
±
0.051]
0.094
±
0.031
[2.39
±
0.787]
0.110
±
0.015
[2.79
±
0.381]
0.250
±
0.031
[6.35
±
0.787]
0.185
±
0.015
[4.70
±
0.381]
0.187
±
0.031
[4.75
±
0.787]
0.218
±
0.031
[5.54
±
0.787]
0.218
±
0.031
[5.54
±
0.787]
0.312
±
0.031
[7.92
±
0.787]
0.312
±
0.031
[7.92
±
7.87]
0.375
±
0.031
[9.53
±
0.787]
0.375
±
0.031
[9.53
±
0.787]
0.020
±
0.002
[0.508
±
0.051]
0.020
±
0.002
[0.508
±
0.051]
0.040
±
0.002
[1.02
±
0.051]
0.032
±
0.002
[0.813
±
0.051]
0.032
±
0.002
[0.813
±
0.051]
0.040
±
0.002
[1.02
±
0.051]
0.032
±
0.002
[0.813
±
0.051]
0.040
±
0.002
[1.02
±
0.051]
0.040
±
0.002
[1.02
±
0.051]
0.040
±
0.002
[1.02
±
0.051]
0.040
±
0.002
[1.02
±
0.051]
NOTE: Military "RW" parts are only available with 60/40 Sn/Pb finish.
Element:
Copper-nickel alloy or nickel-chrome alloy, depending on
resistance value
Core:
Ceramic, steatite or alumina, depending on physical size
Coating:
Special high temperature silicone
Standard Terminals:
100 % Sn, or 60/40 Sn/Pb coated Copperweld
®
.
End Caps:
Stainless steel
Deviations for RS-1/8:
Thermoset silicone molded construction,
endcaps will be nickel-silver alloy and terminals will be tinned copper
Part Marking:
DALE, Model, Wattage*, Value, Tolerance, Date Code
*Wattage marked on part will be "U" characteristic
RATED POWER IN %
120
100
80
60
CHAR. V
40
20
0
-65 -50
RS01A
0.406
±
0.031 0.437
RS01A...300
[10.31
±
0.787] [11.10]
RS01M
RS002
RS02M
0.285
±
0.025
[7.24
±
0.635]
0.311
[7.90]
0.625
±
0.062 0.765
[15.88
±
1.57] [19.43]
0.500
±
0.062 0.562
[12.70
±
1.57] [14.27]
RS02B
0.560
±
0.062 0.622
RS02B...300
[14.22
±
1.57] [15.80]
RS02C
RS02C...17
RS02C...23
RS005
RS005...69
RS005...70
RS007
0.500
±
0.062 0.593
[12.70
±
1.57] [15.06]
0.500
±
0.062 0.593
[12.70
±
1.57] [15.06]
0.875
±
0.062
[22.23
±
1.57]
1.22
±
0.062
[30.99
±
1.57]
1.0
[25.4]
1.28
[32.51]
1.87
[47.50]
RS010
1.78
±
0.062
RS010...39
[45.21
±
1.57]
CHAR. U
RS010...38
250
350
1.78
±
0.062
1.84
[45.21
±
1.57] [46.74]
0
25
50
150
**B (Max.) dimension is clean lead to clean lead.
Derating
AMBIENT TEMPERATURE IN
°
C
NS NON-INDUCTIVE
Models of equivalent physical and electrical specifications are available
with non-inductive (Aryton-Perry) winding. They are identified by
substituting the letter N for R in the model number (NS-5, for example).
Two conditions apply:
1. For NS models, divide maximum resistance values by two
2. Body O.D. on NS-2C may exceed that of the RS-2C by 010"
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Dielectric Withstanding Voltage V
AC
Maximum Working Voltage
V
Insulation Resistance
Ω
Terminal Strength
lb
Solderability
–
Operating Temperature Range
°C
RS RESISTOR CHARACTERISTICS
±
90 for below 1
Ω,
±
50 for 1
Ω
to 9.9
Ω,
±
20 for 10
Ω
and above
500 minimum for RS-1/8 thru RS-1A, 1000 minimum for all others
(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
Characterisitic U = - 65/+ 250, Characteristic V = - 65/+ 350
PERFORMANCE*
TEST
Thermal Shock
Short Time Overload
Dielectric Withstanding Voltage
Low Temperature Storage
High Temperature Exposure
Moisture Resistance
Shock, Specified Pulse
Vibration, High Frequency
Load Life
CONDITIONS OF TEST
Rated power applied until thermally stable, then a min. of 15 minutes at - 55
°C
5 x rated power (3.75 watt and smaller), 10 x rated power (4 watt and larger) for 5 seconds
500 minimum for RS-1/8 thru RS-1A, 1000 for all others, duration of 1 minute
- 65
°C
for 24 hours
250 hours at: U = + 250
°C,
V = + 350
°C
MIL-STD-202 Method 106, 7b not applicable
MIL-STD-202 Method 213, 100 g's for 6 milliseconds, 10 shocks
Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each
2000 hours at rated power, + 25
°C,
1.5 hours “ON”, 0.5 hours “OFF”
5 to 10 sec., 5 or 10 lb pull test (depending on size),
Terminal Strength
torsion test - 3 alternating directions, 360° each
*All
∆R
figures shown are maximum, based upon testing requirements per MIL-PRF-26.
Document Number 30204
Revision 22-Mar-06
TEST LIMITS
Characteristic U
Characteristic V
±
(0.2 % + 0.05
Ω) ∆
R
±
(2.0 % + 0.05
Ω) ∆
R
±
(0.2 % + 0.05
Ω) ∆
R
±
(2.0 % + 0.05
Ω) ∆
R
±
(0.1 % + 0.05
Ω) ∆
R
±
(0.1 % + 0.05
Ω) ∆
R
±
(0.2 % + 0.05
Ω) ∆
R
±
(2.0 % + 0.05
Ω) ∆
R
±
(0.5 % + 0.05
Ω) ∆
R
±
(2.0 % + 0.05
Ω) ∆
R
±
(0.2 % + 0.05
Ω) ∆
R
±
(2.0 % + 0.05
Ω) ∆
R
±
(0.1 % + 0.05
Ω) ∆
R
±
(0.2 % + 0.05
Ω) ∆
R
±
(0.1 % + 0.05
Ω) ∆
R
±
(0.2 % + 0.05
Ω) ∆
R
±
(0.5 % + 0.05
Ω) ∆
R
±
(3.0 % + 0.05
Ω) ∆
R
±
(0.1 % + 0.05
Ω) ∆
R
±
(1.0 % + 0.05
Ω) ∆
R
For technical questions, contact ww2bresistors@vishay.com
www.vishay.com
125
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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