ERH, ENH
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
• Available in non-inductive styles (type ENH) with Aryton-
Perry winding for lowest reactive components
• Mounts on chassis to utilize heat-sink effect
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING
MILITARY
RESISTANCE RANGE
WEIGHT
(typical)
g
P25 °C
W
MIL-PRF-39009
MODEL
TYPE
ꢀ %
Ω
MOUNTED
FREE AIR
ENH-5
RER40
RER45
RER50
RER55
RER60
RER65
RER70
RER75
5
3
6
1 - 1.65K
1 - 2.8K
3.3
8.8
16.5
35
3
ENH-10
ENH-25
ENH-50
ERH-5
10
20
30
5
8
1 - 6.04K
10
3
1 - 4.99K
0.10 - 3.32K
0.10 - 5.62K
0.10 - 12.1K
0.10 - 39.2K
ERH-10
ERH-25
ERH-50
10
20
30
6
6
8
13
28
10
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
ERH, ENH RESISTOR CHARACTERISTICS
Temperature Coefficient
Dielectric Withstanding Voltage
Short Time Overload
Maximum Working Voltage
Insulation Resistance
Terminal Strength
ppm/°C
100 for 0.1 Ω to 0.99 Ω, 50 for 1 Ω to 19.9 Ω, 20 for 20 Ω and above
1000 for ERH-5, ERH-10 and ERH-25, 2000 for ERH-50
5 x rated power for 5 s
VAC
-
(P x R)1/2
V
Ω
lb
-
10 000 MΩ minimum dry, 1000 MΩ minimum after moisture test
5 pull for ERH-5 and ERH-10, 10 pull for ERH-25 and ERH-50
Meets requirements of ANSI J-STD-002
- 55 to + 250
Solderability
Operating Temperature Range
°C
GLOBAL PART NUMBER INFORMATION
Global/Military Part Numbering: RER65Fꢀ00ꢀRC02
R
E
R
6
5
F
ꢀ
0
0
ꢀ
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,
49R9 = 49.9 Ω
ꢀ000 = 100 Ω
ꢀ00ꢀ = 1000 Ω
single lot date code
www.vishay.com
160
For technical questions, contact: ww2bresistors@vishay.com
Document Number: 30200
Revision: 29-May-08