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
MILITARY
MODEL
RER40
RER45
RER50
RER55
RER60
RER65
RER70
RER75
VISHAY
REFERENCE
MODEL
ENH05
ENH10
ENH25
ENH50
ERH05
ERH10
ERH25
ERH50
POWER RATING
P
25 °C
W
5
10
20
30
5
10
20
30
RESISTANCE RANGE
1 to 1.65K
1 to 2.8K
1 to 6.04K
1 to 4.99K
0.10 to 3.32K
0.10 to 5.62K
0.10 to 12.1K
0.10 to 39.2K
TOLERANCE
±%
1
1
1
1
1
1
1
1
WEIGHT
(typical)
g
3.3
8.8
16.5
35
3
6
13
28
TECHNICAL SPECIFICATIONS
PARAMETER
Free Air Power Rating at 25 °C
Temperature Coefficient
Maximum Working Voltage
Insulation Resistance
Solderability
Operating Temperature Range
UNIT
W
ppm/°C
V
-
°C
RER40/RER60
3
RER45/RER65
6
RER50/RER70
8
RER55/RER75
10
± 20 for 20
and above; ± 50 for 1
to 19.9
;
± 100 for 0.1
to 0.99
(P x
R)
1/2
10 000 M minimum dry, 1000 M minimum after moisture test
Meets requirements of ANSI J-STD-002
-55 to +250
MILITARY PART NUMBER INFORMATION
Military Part Numbering example: RER65F1001RC02
R
MIL TYPE
RER40
RER45
RER50
RER55
RER60
RER65
RER70
RER75
E
R
6
5
F
1
0
0
1
R
C
0
2
TOLERANCE CODE
F
= ± 1.0 %
RESISTANCE VALUE
3 digit significant figure,
followed by a multiplier
49R9
= 49.9
1000
= 100
1001
= 1000
FAILURE RATE
M
= 1.0 %/1000 h
P
= 0.1 %/1000 h
R
= 0.01 %/1000 h
PACKAGING CODE
C02
= tin/lead, card pack
CSL
= tin/lead, card pack,
single lot date code
Revision: 05-Jan-18
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
DIMENSIONS
D
C
A
M
B
J
P
K
L
N
F
E
H
G
Vishay Dale
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]
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]
MATERIAL SPECIFICATIONS
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
DERATING
RATED POWER IN %
120
100
80
60
40
20
0
- 55 - 50
0
25
50
100
150
200
250
AMBIENT TEMPERATURE IN °C
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
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
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 V
RMS
(RER40, RER45, RER50, RER60, RER65, RER70),
2000 V
RMS
(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
Revision: 05-Jan-18
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
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
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Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
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No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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