RS, NS
Vishay Dale
www.vishay.com
DIMENSIONS in inches [millimeters]
DIMENSIONS in inches [millimeters]
GLOBAL
1.50
A
B (ꢂ)
[38.10] (1)
min.
A
C
D
MODEL
(max.)
0.250 0.031
[6.35 0.787]
0.281
[7.14]
0.085 0.020
[2.16 0.508]
0.020 0.002
[0.508 0.051]
RS1/4
RS1/2
D
B
0.312 0.016
[7.92 0.406]
0.328 0.078 + 0.016 - 0.031 0.020 0.002
[8.33] [1.98 + 0.406 - 0.787] [0.508 0.051]
C
Note
RS01A
0.406 0.031
[10.31 0.787]
0.437
[11.10]
0.094 0.031
[2.39 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]
(1)
On some standard reel pack methods, the leads may be
RS01A...300
trimmed to a shorter length than shown
0.285 0.025
[7.24 0.635]
0.311
[7.90]
0.110 0.015
[2.79 0.381]
RS01M
MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
0.625 0.062
[15.88 1.57]
0.765
[19.43]
0.250 0.031
[6.35 0.787]
RS002
0.500 0.062
[12.70 1.57]
0.562
[14.27]
0.185 0.015
[4.70 0.381]
RS02M
Core: Ceramic, steatite or alumina, depending on physical
size
RS02B
0.560 0.062
[14.22 1.57]
0.622
[15.80]
0.187 0.031
[4.75 0.787]
RS02B...300
Coating: Special high temperature silicone
0.500 0.062
[12.70 1.57]
0.593
[15.06]
0.218 0.031
[5.54 0.787]
RS02C
Standard Terminals: 100 % Sn, or 60/40 Sn/Pb coated
Copperweld®
RS02C...17
RS02C...23
RS005
0.500 0.062
[12.70 1.57]
0.593
[15.06]
0.218 0.031
[5.54 0.787]
End Caps: Stainless steel
Part Marking: DALE, model, wattage (2), value, tolerance,
date code
0.875 0.062
[22.23 1.57]
1.0
[25.4]
0.312 0.031
[7.92 0.787]
0.040 0.002
[1.02 0.051]
RS005...69
RS005...70
Note
1.22 0.062
[30.99 1.57]
1.28
[32.51]
0.312 0.031
[7.92 0.787]
0.040 0.002
[1.02 0.051]
RS007
(2)
Wattage marked on part will be “U” characteristic
RS010
1.78 0.062
[45.21 1.57]
1.78 0.062
[45.21 1.57]
1.87
0.375 0.031
[9.53 0.787]
0.375 0.031
[9.53 0.787]
0.040 0.002
[1.02 0.051]
0.040 0.002
[1.02 0.051]
DERATING
RS010...39
[47.50]
120
1.84
[46.74]
RS010...38
100
80
Note
(3)
B (max.) dimension is clean lead to clean lead
NS NON-INDUCTIVE
60
Models of equivalent physical and electrical specifications
are available with non-inductive (Ayrton-Perry) winding.
They are identified by substituting the letter N for R in the
model number (NS005, for example).
CHAR. V
40
20
Two conditions apply:
CHAR. U
1. For NS models, divide maximum resistance values by two
2. Body O.D. on NS02C may exceed that of the RS02C by
0.010"
0
- 65 - 50
0
50
150
250
350
25
AMBIENT TEMPERATURE IN °C
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RS RESISTOR CHARACTERISTICS
20 for 10 and above, 50 for 1 to 9.9 , 90 for 0.5 to 0.99
(P x R)1/2
1000 M minimum dry, 100 M minimum after moisture test
Characterisitic U = - 65 to + 250, characteristic V = - 65 to + 350
Temperature Coefficient
Maximum Working Voltage
Insulation Resistance
Operating Temperature Range
ppm/°C
V
°C
PERFORMANCE
TEST LIMITS
CHARACTERISTIC U CHARACTERISTIC V
TEST
CONDITIONS OF TEST
Thermal Shock
Short Time Overload
Rated power applied until thermally stable, then a minimum of 15 min at - 55 °C
5 x rated power (3.75 W and smaller), 10 x rated power (4 W and larger) for 5 s
(0.2 % + 0.05
(0.2 % + 0.05
)
)
R
R
(2.0 % + 0.05
(2.0 % + 0.05 )
)
R
R
Dielectric Withstanding
Voltage
500 VRMS min. for RS1/4 thru RS01A, 1000 VRMS for all others, duration of 1 min
(0.1 % + 0.05
)
R
(0.1 % + 0.05
)
R
Low Temperature Storage
High Temperature Exposure
Moisture Resistance
Shock, Specified Pulse
Vibration, High Frequency
Load Life
- 65 °C for 24 h
(0.2 % + 0.05
(0.5 % + 0.05
(0.2 % + 0.05
(0.1 % + 0.05
(0.1 % + 0.05
(0.5 % + 0.05
)
R
R
R
R
R
R
(2.0 % + 0.05
(2.0 % + 0.05
(2.0 % + 0.05
(0.2 % + 0.05
(0.2 % + 0.05
(3.0 % + 0.05
)
)
)
)
)
)
R
R
R
R
R
R
250 h 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 ms, 10 shocks
Frequency varied 10 Hz to 2000 Hz, 20
2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
)
)
)
g
peak, 2 directions 6 h each
)
)
Pull test 5 s to 10 s, 5 lb (RS1/4 thru RS01A), 10 lb for all others;
torsion test - 3 alternating directions, 360° each
Terminal Strength
(0.1 % + 0.05
)
R
(1.0 % + 0.05
)
R
Revision: 23-May-13
Document Number: 30204
2
For technical questions, contact: ww2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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