RER Military
www.vishay.com
Vishay Dale
Wirewound Resistors, Military/Established Reliability
MIL-PRF-39009 Qualified, Type RER, R Level
FEATURES
Aluminum heat sink housing
Molded construction for total environmental protection
Qualified to MIL-PRF-39009
Complete welded construction
Non-inductive styles manufactured with Ayrton-Perry
winding for lowest reactive components
Mounts on chassis to utilize heat-sink effect
STANDARD ELECTRICAL SPECIFICATIONS
VISHAY POWER RATING WEIGHT
MILITARY RESISTANCE RANGE TOLERANCE
REFERENCE P (typical)
25 C
MODEL %
MODEL W g
RER40 ENH05 5 1 to 1.65K 1 3.3
RER45 ENH10 10 1 to 2.8K 1 8.8
RER50 ENH25 20 1 to 6.04K 1 16.5
RER55 ENH50 30 1 to 4.99K 1 35
RER60 ERH05 5 0.10 to 3.32K 1 3
RER65 ERH10 10 0.10 to 5.62K 1 6
RER70 ERH25 20 0.10 to 12.1K 1 13
RER75 ERH50 30 0.10 to 39.2K 1 28
TECHNICAL SPECIFICATIONS
PARAMETER UNIT RER40/RER60 RER45/RER65 RER50/RER70 RER55/RER75
Free Air Power Rating at 25 C W 3 6 8 10
Temperature Coefficient ppm/C 20 for 20 and above; 50 for 1 to 19.9 ; 100 for 0.1 to 0.99
1/2
Maximum Working Voltage V (P x R)
Insulation Resistance 10 000 M minimum dry, 1000 M minimum after moisture test
Solderability - Meets requirements of ANSI J-STD-002
Operating Temperature Range C -55 to +250
MILITARY PART NUMBER INFORMATION
Military Part Numbering example: RER65F1001RC02
R E R 6 5 F 1 0 0 1 R C 0 2
MIL TYPE TOLERANCE CODE RESISTANCE VALUE FAILURE RATE PACKAGING CODE
RER40 F = 1.0 % 3 digit significant figure, M = 1.0 %/1000 h C02 = Tin/lead, card pack
RER45 followed by a multiplier P = 0.1 %/1000 h CSL = Tin/lead, card pack,
RER50 R = 0.01 %/1000 h single lot date code
RER55 49R9 = 49.9
RER60 1000 = 100
RER65 1001 = 1000
RER70
RER75
Revision: 11-Nov-15 Document Number: 30200
1
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?91000RER Military
www.vishay.com
Vishay Dale
DIMENSIONS
D
C
A
F
M
E
N
H
B
G
J
P
K
L
DIMENSIONS in inches [millimeters]
MILITARY
MODEL
AB C D E F G H J K L M N P
0.444 0.490 0.600 1.125 0.334 0.646 0.320 0.065 0.133 0.078 0.093 0.078 0.050 0.266
RER40 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062
RER60 [11.280 [12.450 [15.240 [28.580 [8.480 [16.410 [8.130 [1.650 [3.380 [1.980 [2.360 [1.980 [1.270 [6.760
0.127] 0.127] 0.787] 1.570] 0.381] 0.381] 0.381] 0.254] 0.254] 0.254] 0.127] 0.381] 0.127] 1.570]
0.562 0.625 0.750 1.375 0.420 0.800 0.390 0.075 0.165 0.093 0.094 0.102 0.085 0.312
RER45 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062
RER65 [14.270 [15.880 [19.050 [34.930 [10.670 [20.320 [9.910 [1.900 [4.190 [2.360 [2.390 [2.590 [2.160 [7.920
0.127] 0.127] 0.787] 1.570] 0.381] 0.381] 0.381] 0.254] 0.254] 0.254] 0.127] 0.381] 0.127] 1.570]
0.719 0.781 1.062 1.938 0.550 1.080 0.546 0.075 0.231 0.172 0.125 0.115 0.085 0.438
RER50 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062
RER70 [18.260 [19.840 [26.970 [49.230 [13.970 [27.430 [13.870 [1.900 [5.870 [4.370 [3.180 [2.920 [2.160 [11.130
0.127] 0.127] 0.787] 1.570] 0.381] 0.381] 0.381] 0.254] 0.254] 0.254] 0.127] 0.381] 0.127] 1.570]
1.562 0.844 1.968 2.781 0.630 1.140 0.610 0.088 0.260 0.196 0.125 0.107 0.085 0.438
RER55 0.005 0.005 0.031 0.062 0.015 0.015 0.015 0.010 0.010 0.010 0.005 0.015 0.005 0.062
RER75 [39.670 [21.440 [49.990 [70.640 [16.000 [28.960 [15.490 [2.240 [6.600 [4.980 [3.180 [2.720 [2.160 [11.130
0.127] 0.127] 0.787] 1.570] 0.381] 0.381] 0.381] 0.254] 0.254] 0.254] 0.127] 0.381] 0.127] 1.570]
MATERIAL SPECIFICATIONS DERATING
Element: Copper-nickel alloy or nickel-chrome alloy,
120
depending on resistance value
100
Core: Ceramic, steatite or alumina, depending on physical
size
80
Encapsulant: Silicone molded construction
Housing: Aluminum with hard anodic coating 60
End Caps: Stainless steel
40
Standard Terminals: Tinned Copperweld
20
Part Marking: Source code, JAN, military PIN, date/lot code
0
POWER RATING
- 55 - 50 0 50 100 150 200 250
Vishay RER resistor wattage ratings are based on mounting
25
AMBIENT TEMPERATURE IN C
to the proper heat sink.
RER40, RER45, RER60, RER65: 4" x 6" x 2" x 0.040" thick
aluminum chassis
RER50, RER55, RER70, RER75: 5" x 7" x 2" x 0.040" thick
aluminum chassis
PERFORMANCE
TEST CONDITIONS OF TEST TEST LIMITS
Apply rated power until thermal stability, remove power subject to
Low Temperature Operation (0.5 % + 0.01 ) R
air temperature of -55 C for 15 min to 30 min
Short Time Overload 5 x rated power for 5 s (0.3 % + 0.01 ) R
1000 V (RER40, RER45, RER50, RER60, RER65, RER70),
rms
Dielectric Withstanding Voltage (0.2 % + 0.01 ) R
2000 V (RER55 and RER75), 1 min duration
rms
Low Temperature Storage -55 C for 24 h (0.3 % + 0.01 ) R
High Temperature Exposure 250 C for 2000 h (1.0 % + 0.01 ) R
Moisture Resistance MIL-STD-202, method 106 (0.5 % + 0.01 ) R
Shock, Specified Pulse MIL-STD-202, method 213, condition I (0.2 % + 0.01 ) R
Vibration, High Frequency MIL-STD-202, method 204, condition D (0.2 % + 0.01 ) R
Load Life 2000 h at rated power, +25 C, 1.5 h ON, 0.5 h OFF (1.0 % + 0.01 ) R
Extended Life 10 000 h at rated power, +25 C, 1.5 h ON, 0.5 h OFF (0.2 % + 0.01 ) R
MIL-STD-202, method 211, condition A
Terminal Strength 5 pound (RER40, RER45, RER60, RER65), (0.2 % + 0.01 ) R
10 pound (RER50, RER55,RER70, RER75)
Revision: 11-Nov-15 Document Number: 30200
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
RATED POWER IN %