RWR89SR100FRB12 Datasheet, PDF (3/4 Pages) Vishay Siliconix – Wirewound Resistors, Military/Established Reliability, MIL-PRF-39007 Qualified, Type RWR, R Level, Axial Lead

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MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core: Ceramic, beryllium oxide ⁽¹⁾, 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
Note
(1) _{RWR82S and RWR82N: Core consists of beryllium oxide}
ceramic
RWR Military
Vishay Dale
DERATING
120
100
80
60
40
20
0
- 65 - 50
0 ₂₅ 50
150
250
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST
CONDITIONS OF TEST
Thermal Shock
MIL-STD-202, method 107
Short Time Overload
5 x rated power (RWR71, RWR80, RWR81, RWR89, RWR82), 
10 x rated power (RWR74, RWR78, RWR84) for 5 s
Dielectric Withstanding Voltage
Low Temperature Storage
500 V_rms (RWR80, RWR81, RWR82), 
1000 V_rms (RWR71, RWR74, RWR78, RWR84, RWR89), 1 min duration
- 55 °C for 24 h
High Temperature Exposure
250 °C for 2000 h
Moisture Resistance
MIL-STD-202, method 106
Shock, Specified Pulse
MIL-STD-202, method 213, condition I
Vibration, High Frequency
MIL-STD-202, method 204, condition D
Load Life
2000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
Extended Life
10 000 h at rated power, + 25 °C, 1.5 h “ON”, 0.5 h “OFF”
Terminal Strength
MIL-STD-202, method 211, condition A and C
5 pound (RWR80, RWR81, RWR82),
10 pound (RWR71, RWR74, RWR78, RWR84, RWR89)
Note
(2) _{For resistance values above 100 , test limit is ± 1.0 %.}
TEST LIMITS
± (0.2 % + 0.005 ) R
± (0.2 % + 0.005 ) R
± (0.1 % + 0.005 ) R
± (0.1 % + 0.005 ) R
± (1.0 % + 0.005 ) R ⁽²⁾
± (0.2 % + 0.005 ) R
± (0.1 % + 0.005 ) R
± (0.1 % + 0.005 ) R
± (0.5 % + 0.005 ) R
± (1.0 % + 0.005 ) R
± (0.1 % + 0.005 ) R
Revision: 11-Jul-13
3
Document Number: 30203
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