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
REFERENCE
MODEL
POWER RATING
P25 °C
W
RESISTANCE RANGE
TOLERANCE
±%
WEIGHT
(typical)
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
MILITARY
MODEL
TECHNICAL SPECIFICATIONS
PARAMETER
Free Air Power Rating at 25 °C
UNIT
RER40/RER60
RER45/RER65
RER50/RER70
RER55/RER75
W
3
6
8
10
ppm/°C
± 20 for 20 and above; ± 50 for 1 to 19.9 ; ± 100 for 0.1 to 0.99
Maximum Working Voltage
V
(P x R)1/2
Insulation Resistance
10 000 M minimum dry, 1000 M minimum after moisture test
-
Meets requirements of ANSI J-STD-002
°C
-55 to +250
Temperature Coefficient
Solderability
Operating Temperature Range
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
RER45
RER50
RER55
RER60
RER65
RER70
RER75
F = ± 1.0 %
3 digit significant figure,
followed by a multiplier
M = 1.0 %/1000 h
P = 0.1 %/1000 h
R = 0.01 %/1000 h
C02 = tin/lead, card pack
CSL = tin/lead, card pack,
single lot date code
Revision: 05-Jan-18
49R9 = 49.9
1000 = 100
1001 = 1000
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?91000
RER Military
www.vishay.com
Vishay Dale
DIMENSIONS
D
C
A
M
N
F
E
H
B
G
J
P
MILITARY
MODEL
RER40
RER60
RER45
RER65
RER50
RER70
RER55
RER75
A
0.444
± 0.005
[11.280
± 0.127]
0.562
± 0.005
[14.270
± 0.127]
0.719
± 0.005
[18.260
± 0.127]
1.562
± 0.005
[39.670
± 0.127]
B
0.490
± 0.005
[12.450
± 0.127]
0.625
± 0.005
[15.880
± 0.127]
0.781
± 0.005
[19.840
± 0.127]
0.844
± 0.005
[21.440
± 0.127]
C
0.600
± 0.031
[15.240
± 0.787]
0.750
± 0.031
[19.050
± 0.787]
1.062
± 0.031
[26.970
± 0.787]
1.968
± 0.031
[49.990
± 0.787]
K
L
D
1.125
± 0.062
[28.580
± 1.570]
1.375
± 0.062
[34.930
± 1.570]
1.938
± 0.062
[49.230
± 1.570]
2.781
± 0.062
[70.640
± 1.570]
E
0.334
± 0.015
[8.480
± 0.381]
0.420
± 0.015
[10.670
± 0.381]
0.550
± 0.015
[13.970
± 0.381]
0.630
± 0.015
[16.000
± 0.381]
DIMENSIONS in inches [millimeters]
F
G
H
J
0.133
0.065
0.320
0.646
± 0.015 ± 0.015 ± 0.010 ± 0.010
[16.410 [8.130 [1.650 [3.380
± 0.381] ± 0.381] ± 0.254] ± 0.254]
0.165
0.075
0.390
0.800
± 0.015 ± 0.015 ± 0.010 ± 0.010
[20.320 [9.910 [1.900 [4.190
± 0.381] ± 0.381] ± 0.254] ± 0.254]
0.231
0.075
0.546
1.080
± 0.015 ± 0.015 ± 0.010 ± 0.010
[27.430 [13.870 [1.900 [5.870
± 0.381] ± 0.381] ± 0.254] ± 0.254]
0.260
0.088
0.610
1.140
± 0.015 ± 0.015 ± 0.010 ± 0.010
[28.960 [15.490 [2.240 [6.600
± 0.381] ± 0.381] ± 0.254] ± 0.254]
K
0.078
± 0.010
[1.980
± 0.254]
0.093
± 0.010
[2.360
± 0.254]
0.172
± 0.010
[4.370
± 0.254]
0.196
± 0.010
[4.980
± 0.254]
L
0.093
± 0.005
[2.360
± 0.127]
0.094
± 0.005
[2.390
± 0.127]
0.125
± 0.005
[3.180
± 0.127]
0.125
± 0.005
[3.180
± 0.127]
M
0.078
± 0.015
[1.980
± 0.381]
0.102
± 0.015
[2.590
± 0.381]
0.115
± 0.015
[2.920
± 0.381]
0.107
± 0.015
[2.720
± 0.381]
N
0.050
± 0.005
[1.270
± 0.127]
0.085
± 0.005
[2.160
± 0.127]
0.085
± 0.005
[2.160
± 0.127]
0.085
± 0.005
[2.160
± 0.127]
P
0.266
± 0.062
[6.760
± 1.570]
0.312
± 0.062
[7.920
± 1.570]
0.438
± 0.062
[11.130
± 1.570]
0.438
± 0.062
[11.130
± 1.570]
DERATING
MATERIAL SPECIFICATIONS
RATED POWER IN %
Element: copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Core: ceramic, steatite or alumina, depending on physical
size
Encapsulant: silicone molded construction
Housing: aluminum with hard anodic coating
End Caps: stainless steel
Standard Terminals: tinned Copperweld®
Part Marking: source code, JAN, military PIN, date/lot code
100
80
60
40
20
POWER RATING
Vishay RER resistor wattage ratings are based on mounting
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
120
0
- 55 - 50
0
50
25
100
150
200
250
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST
Low Temperature Operation
Revision: 05-Jan-18
CONDITIONS OF TEST
Apply rated power until thermal stability, remove power subject to
air temperature of -55 °C for 15 min to 30 min
TEST LIMITS
± (0.5 % + 0.01 ) R
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
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