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
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
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
5 x rated power for 5 s
1000 VRMS (RER40, RER45, RER50, RER60, RER65, RER70),
2000 VRMS (RER55 and RER75), 1 min duration
-55 °C for 24 h
250 °C for 2000 h
MIL-STD-202, method 106
MIL-STD-202, method 213, condition I
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
5 pound (RER40, RER45, RER60, RER65),
10 pound (RER50, RER55,RER70, RER75)
TEST LIMITS
± (0.5 % + 0.01 ) R
± (0.3 % + 0.01 ) R
± (0.2 % + 0.01 ) R
± (0.3 % + 0.01 ) R
± (1.0 % + 0.01 ) R
± (0.5 % + 0.01 ) R
± (0.2 % + 0.01 ) R
± (0.2 % + 0.01 ) R
± (1.0 % + 0.01 ) R
± (2.0 % + 0.01 ) R
± (0.2 % + 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