RS, NS
Vishay Dale
www.vishay.com
124
Document Number 30204
Revision 22-Mar-06
For technical questions, contact ww2bresistors@vishay.com
FEATURES
• High temperature coating (> 350 °C)
• 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 (typical resistance
shift < 0.5 %)
• Lead (Pb)-Free version is RoHS Compliant
Wirewound Resistors, Military, MIL-PRF-26 Qualified,
Type RW, Precision Power, Silicone Coated
** 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.
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE RANGE
MIL. RANGE SHOWN IN BOLD FACE
ΩΩ
ΩΩ
Ω
UV
± 0.05 % ± 3 % thru
±
3 %,
±
5 %,
TYPE thru ± 5 % ± 10 % ± 0.05 % ± 0.1 % ± 0.25 %
±
0.5 % &
±
1 %
± 10 % g
RS1/8 RS-18 — 0.125 — — — — 0.1 - 950 0.1 - 950 0.15
RS1/4 RS-1/4 — 0.4 — 1 - 1 k 0.499 - 1k 0.499 - 3.4 k 0.1 - 3.4 k 0.1 - 3.4 k 0.21
RS1/2 RS-1/2 — 0.75 — 1 - 1.3 k 0.499 - 1.3k 0.499 - 4.9 k 0.1 - 4.9 k 0.1 - 4.9 k 0.23
RS01A RS-1A — 1.0 — 1 - 2.74 k 0.499 - 2.74 k 0.499 - 10.4 k 0.1 - 10.4 k 0.1 - 10.4 k 0.34
RS01A...300 RS-1A-300 RW70*** 1.0 — —0.499 - 2.74 k 0.499 - 10.4 k 0.1 - 10.4 k 0.1 - 10.4 k 0.34
1.0 —0.1 - 2.74 k
RS01M RS-1M — 1.0 — 1 - 1.32 k 0.499 - 1.67 k 0.499 - 6.85 k 0.1 - 6.85 k 0.1 - 6.85 k 0.30
RS002 RS-2 — 4.0 5.5 0.499 - 12.7 k 0.499 - 12.7 k 0.1 - 47.1 k 0.1 - 47.1 k 0.1 - 47.1 k 2.10
RS02M RS-2M — 3.0 — 0.499 - 4.49 k 0.499 - 4.49 k 0.1 - 18.74 k 0.1 - 18.74 k 0.1 - 18.74 k 0.65
RS02B RS-2B — 3.0 3.75 0.499 - 6.5 k 0.499 - 6.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.70
RS02B...300 RS-2B-300 RW79*** 3.0 — —_0.499 - 6.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.1 - 24.5 k 0.70
3.0 —— 0.1 - 6.49 k
RS02C RS-2C — 2.5 3.25 0.499 - 8.6 k 0.499 - 8.6 k 0.1 - 32.3 k 0.1 - 32.3 k 0.1 - 32.3 k 1.6
RS02C...17 RS-2C-17 — 2.5 3.25 0.499 - 6.8 k 0.499 - 8.6 k 0.1 - 32.3 k 0.1 - 32.3 k 0.1 - 32.3 k 1.6
RS02C...23 RS-2C-23 RW69** — 3.25 ——— —
0.1 - 32.3 k 16
3.0 0.1 - 2.0 k
RS005 RS-5 — 5.0 6.5 0.499 - 25.7 k 0.499 - 25.7 k 0.1 - 95.2 k 0.1 - 95.2 k 0.1 - 95.2 k 4.2
RS005...69 RS-5-69 RW74*** 5.0 — — 0.499 - 25.7 k 0.1 - 95.2 k 0.1 - 95.2 k 0.1 - 95.2 k 4.2
5.0 —0.1 - 24.3 k
RS005...70 RS-5-70 RW67** — 6.5 ——— —
0.1 - 95.2 k 4.2
—6.5 0.1 - 8.2 k
RS007 RS-7 — 7.0 9.0 0.499 - 41.4 k 0.499 - 41.4 k 0.1 - 154 k 0.1 - 154 k 0.1 - 154 k 4.7
RS010 RS-10 — 10.0 13.0 0.499 - 73.4 k 0.499 - 73.4 k 0.1 - 273 k 0.1 - 273 k 0.1 - 273 k 9.0
RS010...38 RS-10-38 RW78*** 10.0 — —0.499 - 73.4 k 0.1 - 273 k 0.1 - 273 k 0.1 - 273 k 9.0
10.0 –0.1 - 71.5 k
RS010...39 RS-10-39 RW68** — 13.0 ——— —
0.1 - 273 k 9.0
—11.0 0.1 - 20 k
POWER RATING****
P25 °C WWEIGHT
(Typical)
MIL-PRF-26
HISTORICAL
MODEL
GLOBAL
MODEL
Available
Pb-free
RoHS*
COMPLIANT
e3
* Pb containing terminations are not RoHS compliant, exemptions may apply
GLOBAL MODEL RESISTANCE TOLERANCE CODE PACKAGING SPECIAL
VALUE
(See Standard
Electrical
Specifications Global
Model column
for options)
R = Decimal A = ± 0.05 % B = ± 0.1 % E70 = Lead (Pb)-free, Tape/Reel (smaller than RS005) (Dash Number)
K = Thousand C = ± 0.25 % D = ± 0.5 % E73 = Lead (Pb)-free, Tape/Reel (RS005 & larger) (up to 3 digits)
15R00 = 15 Ω F = ± 1.0 % J = ± 5.0 % E12 = Lead (Pb)-free, Bulk From 1-999
10K00 = 10 kΩK = 10.0 % Lead (Pb)-free is not available on RW military type as applicable
S70 = Tin/Lead, Tape/Reel (smaller than RS005)
S73 = Tin/Lead, Tape/Reel (RS005 & larger)
B12 = Tin/Lead, Bulk
GLOBAL PART NUMBER INFORMATION
New Global Part Numbering: RS02C10K00FS7017 (preferred part numbering format)
RS0 2C10K00FS7017
Historical Part Number example: RS-2C-17 10 kΩ 1 % S70 (will continue to be accepted)
HISTORICAL MODEL RESISTANCE VALUE TOLERANCE CODE PACKAGING
RS-2C-17 10 kΩ1 % S70
www.vishay.com
125
RS, NS
Vishay Dale
Document Number 30204
Revision 22-Mar-06
For technical questions, contact ww2bresistors@vishay.com
DIMENSIONS
Wirewound Resistors, Military, MIL-PRF-26 Qualified,
Type RW, Precision Power, Silicone Coated
GLOBAL DIMENSIONS in inches [millimeters]
MODEL
MATERIAL SPECIFICATIONS
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®.
NOTE: Military "RW" parts are only available with 60/40 Sn/Pb finish.
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
C
D
A1.50
[38.10]*
Min.
B
AB C
D
(Max.)**
RS1/8 0.155 ± 0.015 — 0.065 ± 0.015 0.020 ± 0.002
[3.94 ± 0.381] [1.65 ± 0.381] [0.508 ± 0.051]
RS1/4 0.250 ± 0.031 0.281 0.085 ± 0.020 0.020 ± 0.002
[6.35 ± 0.787] [7.14] [2.16 ± 0.508] [0.508 ± 0.051]
RS1/2 0.312 ± 0.016 0.328 0.078 + 0.016 - 0.031 0.020 ± 0.002
[7.92 ± 0.406] [8.33] [1.98 + 0.406 - 0.787] [0.508 ± 0.051]
RS01A 0.406 ± 0.031 0.437 0.094 ± 0.031 0.020 ± 0.002
RS01A...300
[10.31 ± 0.787] [11.10] [2.39 ± 0.787] [0.508 ± 0.051]
RS01M 0.285 ± 0.025 0.311 0.110 ± 0.015 0.020 ± 0.002
[7.24 ± 0.635] [7.90] [2.79 ± 0.381] [0.508 ± 0.051]
RS002 0.625 ± 0.062 0.765 0.250 ± 0.031 0.040 ± 0.002
[15.88 ± 1.57] [19.43] [6.35 ± 0.787] [1.02 ± 0.051]
RS02M 0.500 ± 0.062 0.562 0.185 ± 0.015 0.032 ± 0.002
[12.70 ± 1.57] [14.27] [4.70 ± 0.381] [0.813 ± 0.051]
RS02B 0.560 ± 0.062 0.622 0.187 ± 0.031 0.032 ± 0.002
RS02B...300
[14.22 ± 1.57] [15.80] [4.75 ± 0.787] [0.813 ± 0.051]
RS02C 0.500 ± 0.062 0.593 0.218 ± 0.031 0.040 ± 0.002
[12.70 ± 1.57] [15.06] [5.54 ± 0.787] [1.02 ± 0.051]
RS02C...17 0.500 ± 0.062 0.593 0.218 ± 0.031 0.032 ± 0.002
RS02C...23 [12.70 ± 1.57] [15.06] [5.54 ± 0.787] [0.813 ± 0.051]
0.875 ± 0.062 1.0 0.312 ± 0.031 0.040 ± 0.002
[22.23 ± 1.57] [25.4] [7.92 ± 0.787] [1.02 ± 0.051]
RS007 1.22 ± 0.062 1.28 0.312 ± 0.031 0.040 ± 0.002
[30.99 ± 1.57] [32.51] [7.92 ± 7.87] [1.02 ± 0.051]
RS010 1.78 ± 0.062 1.87 0.375 ± 0.031 0.040 ± 0.002
RS010...39 [45.21 ± 1.57] [47.50] [9.53 ± 0.787] [1.02 ± 0.051]
RS010...38 1.78 ± 0.062 1.84 0.375 ± 0.031 0.040 ± 0.002
[45.21 ± 1.57] [46.74] [9.53 ± 0.787] [1.02 ± 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.
**B (Max.) dimension is clean lead to clean lead.
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).
*Wattage marked on part will be "U" characteristic
-65 -50 0 50 150 250 350
AMBIENT TEMPERATURE IN °C
Derating
120
100
80
60
40
20
0
RATED POWER IN %
CHAR. V
CHAR. U
25
RS005
RS005...69
RS005...70
*All ∆R figures shown are maximum, based upon testing requirements per MIL-PRF-26.
PERFORMANCE*
TEST CONDITIONS OF TEST TEST LIMITS
Characteristic U Characteristic V
Thermal Shock Rated power applied until thermally stable, then a min. of 15 minutes at - 55 °C± (0.2 % + 0.05
Ω
)
∆
R
± (2.0 % + 0.05 Ω) ∆
R
Short Time Overload
5 x rated power (3.75 watt and smaller), 10 x rated power (4 watt and larger) for 5 seconds
± (0.2 % + 0.05
Ω
)
∆
R
± (2.0 % + 0.05 Ω) ∆
R
Dielectric Withstanding Voltage 500 minimum for RS-1/8 thru RS-1A, 1000 for all others, duration of 1 minute ± (0.1 % + 0.05
Ω
)
∆
R
± (0.1 % + 0.05 Ω) ∆
R
Low Temperature Storage - 65 °C for 24 hours ± (0.2 % + 0.05
Ω
)
∆
R
± (2.0 % + 0.05 Ω) ∆
R
High Temperature Exposure 250 hours at: U = + 250 °C, V = + 350 °C± (0.5 % + 0.05
Ω
)
∆
R
± (2.0 % + 0.05
Ω
)
∆
R
Moisture Resistance MIL-STD-202 Method 106, 7b not applicable ± (0.2 % + 0.05
Ω
)
∆
R
± (2.0 % + 0.05
Ω
)
∆
R
Shock, Specified Pulse MIL-STD-202 Method 213, 100 g's for 6 milliseconds, 10 shocks ± (0.1 % + 0.05
Ω
)
∆
R
± (0.2 % + 0.05
Ω
)
∆
R
Vibration, High Frequency Frequency varied 10 to 2000 Hz, 20 g peak, 2 directions 6 hours each ± (0.1 % + 0.05
Ω
)
∆
R
± (0.2 % + 0.05
Ω
)
∆
R
Load Life 2000 hours at rated power, + 25 °C, 1.5 hours “ON”, 0.5 hours “OFF” ± (0.5 % + 0.05
Ω
)
∆
R
± (3.0 % + 0.05
Ω
)
∆
R
5 to 10 sec., 5 or 10 lb pull test (depending on size),
torsion test - 3 alternating directions, 360° each
Terminal Strength ± (0.1 % + 0.05
Ω
)
∆
R
± (1.0 % + 0.05
Ω
)
∆
R
PARAMETER UNIT RS 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 RS-1/8 thru RS-1A, 1000 minimum for all others
Maximum Working Voltage V (P x R)1/2
Insulation Resistance Ω1000 Megohm minimum dry, 100 Megohm minimum after moisture test
Terminal Strength lb 5 minimum for RS-1/8 thru RS-1A, 10 minimum for all others
Solderability – MIL-PRF-26 type - Meets requirements of ANSI J-STD-002
Operating Temperature Range °C Characterisitic U = - 65/+ 250, Characteristic V = - 65/+ 350
TECHNICAL SPECIFICATIONS
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"
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify Vishay for any damages resulting from such improper use or sale.
