Vishay EGS-3-80 Wirewound resistors, military/established reliability mil-prf-39007 qualified, type rwr, r level Datasheet

ESS, ESN, EGS, EGN
Vishay Dale
Wirewound Resistors, Military/Established Reliability
MIL-PRF-39007 Qualified, Type RWR, R Level
FEATURES
•
•
•
•
High temperature silicone coated
Complete welded construction
Qualified to MIL-PRF-39007
Available in non-inductive styles (types ESN and EGN)
with Aryton-Perry winding for lowest reactive components
• “S” level failure rate available
• Note: “Terminal Wire and Winding” type “W” and “Z” are
not listed below but are available upon request. Please
reference MIL-PRF-39007 QPL for approved “failure rate”
and “resistance tolerance/ranges”
STANDARD ELECTRICAL SPECIFICATIONS
MILITARY RESISTANCE RANGE Ω
MIL-PRF-39007
TYPE
POWER RATING
P25 °C W
EGS-1-80
RWR81S
1
EGN-1-80
RWR81N
1
0.499 - 499
0.1 - 499
0.21
EGS-2
RWR82S
2
0.499 - 1.3K
0.1 - 1.3K
0.23
EGN-2
RWR82N
2
0.499 - 649
0.1 - 649
0.23
EGS-3-80
RWR80S
2
0.499 - 3.16K
0.1 - 3.16K
0.34
EGN-3-80
RWR80N
2
0.499 - 1.58K
0.1 - 1.58K
0.34
ESS-2A
RWR71S
2
0.499 - 12.1K
0.1 - 12.1K
0.90
ESN-2A
RWR71N
2
0.499 - 6.04K
0.1 - 6.04K
0.90
ESS-2B
RWR89S
3
0.499 - 4.12K
0.1 - 4.12K
0.70
ESN-2B
RWR89N
3
0.499 - 2.05K
0.1 - 2.05K
0.70
ESS-5
RWR74S
5
0.499 - 12.1K
0.1 - 12.1K
4.2
ESN-5
RWR74N
5
0.499 - 6.04K
0.1 - 6.04K
4.2
EGS-10-80
RWR84S
7
0.499 - 12.4K
0.1 - 12.4K
3.6
EGN-10-80
RWR84N
7
0.499 - 6.19K
0.1 - 6.19K
3.6
ESS-10
RWR78S
10
0.499 - 39.2K
0.1 - 39.2K
9.0
ESN-10
RWR78N
10
0.499 - 19.6K
0.1 - 19.6K
9.0
MODEL
± 0.1 %
± 0.5 % and ± 1 %
WEIGHT
(typical) g
0.499 - 1K
0.1 - 1K
0.21
GLOBAL PART NUMBER INFORMATION
Global/Military Part Numbering: RWR74S49R9FSB12
R
R
7
TERMINAL WIRE
AND WINDING
MIL TYPE
RWR71
RWR74
RWR78
RWR80
RWR81
RWR82
RWR84
RWR89
W
4
S
4
9
RESISTANCE VALUE
S = Solderable, inductive
N = Solderable, noninductive
W = Weldable, inductive (1)
Z = Weldable, noninductive (1)
3 digit significant figure,
followed by a multiplier
49R9 = 49.9 Ω
1000 = 100 Ω
1001 = 1000 Ω
R
9
F
TOLERANCE
CODE
B = ± 0.1 %
D = ± 0.5 %
F = ± 1.0 %
S
B
1
2
FAILURE RATE
PACKAGING CODE
M = 1.0 %/1000 h
P = 0.1 %/1000 h
R = 0.01 %/1000 h
S = 0.001 %/1000 h
B12 = Bulk pack
S70 = Tape/reel
(smaller than 5 W)
S73 = Tape/reel
(5 W and higher)
BSL = Bulk pack,
single lot date code
RSL = Tape/reel,
single lot date code
Note
(1) Note that “W” and “Z” are not listed above but are available, see MIL-PRF-39007 QPL for available resistance values
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158
For technical questions, contact: [email protected]
document number: 30203
Revision: 22-Oct-08
ESS, ESN, EGS, EGN
Wirewound Resistors, Military/Established Reliability
MIL-PRF-39007 Qualified, Type RWR, R Level
DIMENSIONS in inches [millimeters]
A
1.50 [38.10] (1)
min.
MIL-PRF-39007
MODEL
RWR81
MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core: Ceramic, beryllium oxide, steatite or alumina,
depending on power requirement
Coating: Special high temperature silicone
Terminal and Winding: The terminal and the winding are
identified by a letter symbol in the military type designation.
Military symbol:
S = Solderable, inductively wound
W = Weldable, inductively wound
N = Solderable, non-inductively wound
Z = Weldable, non-inductively wound
Terminals: Solderable - Tinned Copperweld®
Weldable - bare nickel per MIL-STD-1276, Type N-1
End Caps: Stainless steel
Part Marking: Source code, JAN, military PIN, date/lot code
RWR82
RWR80
RWR71
RWR89
RWR74
RWR84
RWR78
RATED POWER IN %
C
B
Note
(1) On some standard reel pack methods, the leads may be trimmed
to a shorter length than shown
Vishay Dale
DIMENSIONS in inches [millimeters]
A
B
C
0.250 ± 0.031
0.085 ± 0.020
0.020 ± 0.0015
[6.35 ± 0.787]
[2.16 ± 0.508]
[0.508 ± 0.038]
0.312 ± 0.016 0.078 + 0.016 - 0.031 0.020 ± 0.0015
[7.92 ± 0.406] [1.98 + 0.406 - 0.787] [0.508 ± 0.038]
0.406 ± 0.031
0.094 ± 0.031
0.020 ± 0.0015
[10.31 ± 0.787]
[2.39 ± 0.787]
[0.508 ± 0.038]
0.812 ± 0.062
0.187 ± 0.031
0.032 ± 0.002
[20.62 ± 1.58]
[4.75 ± 0.787]
[0.813 ± 0.051]
0.560 ± 0.062
0.187 ± 0.031
0.032 ± 0.002
[14.22 ± 1.58]
[4.75 ± 0.787]
[0.813 ± 0.051]
0.875 ± 0.062
0.312 ± 0.031
0.040 ± 0.002
[22.23 ± 1.58]
[7.92 ± 0.787]
[1.02 ± 0.051]
0.875 ± 0.062
0.312 ± 0.031
0.040 ± 0.002
[22.23 ± 1.58]
[7.92 ± 0.787]
[1.02 ± 0.051]
1.780 ± 0.062
0.312 ± 0.031
0.040 ± 0.002
[45.21 ± 1.58]
[7.92 ± 0.787]
[1.02 ± 0.051]
120
100
80
60
40
APPLICABLE MIL-SPECIFICATION
MIL-PRF-39007: This is the military specification covering
axial lead established reliability power wirewound resistors.
Vishay Dale ESS, ESW, EGS, EGW, ESN and EGN
resistors meet or exceed the electrical, environmental and
dimensional requirements of this specification.
20
0
- 65 - 50
0
25
50
Derating
150
250
AMBIENT TEMPERATURE IN °C
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
RWR RESISTOR CHARACTERISTICS
Temperature Coefficient
ppm/°C ± 650 for 0.1 Ω to 0.499 Ω, ± 400 for 0.505 Ω to 1 Ω, ± 50 for 1.1 Ω to 10 Ω, ± 20 for 10 Ω and above
VAC
500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger
Dielectric Withstanding Voltage
5 x rated power for 5 s for 3 W size and smaller,
Short Time Overload
10 x rated power for 5 s for 5 W size and greater
Maximum Working Voltage
V
(P x R)1/2
Insulation Resistance
.
1000 MΩ minimum dry, 100 MΩ minimum after moisture test
Terminal Strength
lb
5 minimum for 2 W and smaller, 10 minimum for 3 W and larger
Solderability
Meets requirements of ANSI J-STD-002
Operating Temperature Range
°C
- 65 to + 250
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
Extended Life
Terminal Strength
CONDITIONS OF TEST
MIL-STD-2.2, Method 303
5 x rated power (RWR71, 80, 81, 89, 82), 10 x rated power (RWR74, 78, 84) for 5 s
500 Vrms (RWR80, 81, 82), 1000 Vrms (RWR71, 74, 78, 84, 89),
1 min duration
- 65 °C for 24 h
250 °C for 2000 h
MIL-STD-202, Method 106
MIL-STD-202, Method 205, condition C
MIL-STD-202, Method 204, condition D
2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
10 000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
MIL-STD-202, Method 211, condition A and C
5 pound (RWR80, 81, 82), 10 pound (RWR71, 74, 78, 84, 89)
TEST LIMITS
± (0.2 % + 0.005 Ω) ΔR
± (0.2 % + 0.005 Ω) ΔR
± (0.1 % + 0.005 Ω) ΔR
± (0.1 % + 0.005 Ω) ΔR
± (1.0 % + 0.005 Ω) ΔR
± (0.2 % + 0.005 Ω) ΔR
± (0.1 % + 0.005 Ω) ΔR
± (0.1 % + 0.005 Ω) ΔR
± (0.5 % + 0.005 Ω) ΔR
± (1.0 % + 0.005 Ω) ΔR
± (0.1 % + 0.005 Ω) ΔR
Note
• For resistance values above 100 Ω, test limit is ± 1.0 %
document number: 30203
Revision: 22-Oct-08
For technical questions, contact: [email protected]
www.vishay.com
159
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Document Number: 91000
Revision: 18-Jul-08
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