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RWR89Z1000D Datasheet(PDF) 2 Page - Vishay Siliconix

Part # RWR89Z1000D
Description  Wirewound Resistors, Military/Established Reliability MIL-PRF-39007 Qualified, Type RWR, R Level
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

RWR89Z1000D Datasheet(HTML) 2 Page - Vishay Siliconix

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document number: 30203
For technical questions, contact: ww2bresistors@vishay.com
www.vishay.com
Revision: 22-Oct-08
159
ESS, ESN, EGS, EGN
Wirewound Resistors, Military/Established Reliability
MIL-PRF-39007 Qualified, Type RWR, R Level
Vishay Dale
DIMENSIONS in inches [millimeters]
Note
(1) On some standard reel pack methods, the leads may be trimmed
to a shorter length than shown
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
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.
Note
• For resistance values above 100
Ω, test limit is ± 1.0 %
B
1.50 [38.10] (1)
min.
A
C
MIL-PRF-39007
DIMENSIONS in inches [millimeters]
MODEL
A
B
C
RWR81
0.250 ± 0.031
[6.35 ± 0.787]
0.085 ± 0.020
[2.16 ± 0.508]
0.020 ± 0.0015
[0.508 ± 0.038]
RWR82
0.312 ± 0.016
[7.92 ± 0.406]
0.078 + 0.016 - 0.031
[1.98 + 0.406 - 0.787]
0.020 ± 0.0015
[0.508 ± 0.038]
RWR80
0.406 ± 0.031
[10.31 ± 0.787]
0.094 ± 0.031
[2.39 ± 0.787]
0.020 ± 0.0015
[0.508 ± 0.038]
RWR71
0.812 ± 0.062
[20.62 ± 1.58]
0.187 ± 0.031
[4.75 ± 0.787]
0.032 ± 0.002
[0.813 ± 0.051]
RWR89
0.560 ± 0.062
[14.22 ± 1.58]
0.187 ± 0.031
[4.75 ± 0.787]
0.032 ± 0.002
[0.813 ± 0.051]
RWR74
0.875 ± 0.062
[22.23 ± 1.58]
0.312 ± 0.031
[7.92 ± 0.787]
0.040 ± 0.002
[1.02 ± 0.051]
RWR84
0.875 ± 0.062
[22.23 ± 1.58]
0.312 ± 0.031
[7.92 ± 0.787]
0.040 ± 0.002
[1.02 ± 0.051]
RWR78
1.780 ± 0.062
[45.21 ± 1.58]
0.312 ± 0.031
[7.92 ± 0.787]
0.040 ± 0.002
[1.02 ± 0.051]
Derating
AMBIENT TEMPERATURE IN °C
25
0
20
40
60
80
100
120
- 65 - 50
0
50
150
250
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
Dielectric Withstanding Voltage
VAC
500 minimum for 2 W and smaller, 1000 minimum for 3 W and larger
Short Time Overload
-
5 x rated power for 5 s for 3 W size and smaller,
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 M
Ω 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
CONDITIONS OF TEST
TEST LIMITS
Thermal Shock
MIL-STD-2.2, Method 303
± (0.2 % + 0.005
Ω) ΔR
Short Time Overload
5 x rated power (RWR71, 80, 81, 89, 82), 10 x rated power (RWR74, 78, 84) for 5 s ± (0.2 % + 0.005
Ω) ΔR
Dielectric Withstanding
Voltage
500 Vrms (RWR80, 81, 82), 1000 Vrms (RWR71, 74, 78, 84, 89),
1 min duration
± (0.1 % + 0.005
Ω) ΔR
Low Temperature Storage
- 65 °C for 24 h
± (0.1 % + 0.005
Ω) ΔR
High Temperature Exposure
250 °C for 2000 h
± (1.0 % + 0.005
Ω) ΔR
Moisture Resistance
MIL-STD-202, Method 106
± (0.2 % + 0.005
Ω) ΔR
Shock, Specified Pulse
MIL-STD-202, Method 205, condition C
± (0.1 % + 0.005
Ω) ΔR
Vibration, High Frequency
MIL-STD-202, Method 204, condition D
± (0.1 % + 0.005
Ω) ΔR
Load Life
2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
± (0.5 % + 0.005
Ω) ΔR
Extended Life
10 000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
± (1.0 % + 0.005
Ω) ΔR
Terminal Strength
MIL-STD-202, Method 211, condition A and C
5 pound (RWR80, 81, 82), 10 pound (RWR71, 74, 78, 84, 89)
± (0.1 % + 0.005
Ω) ΔR


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