C&H Technology ENH User Manual
Erh, enh, Vishay dale
www.vishay.com
For technical questions, contact: [email protected]
Document Number: 30200
160
Revision: 29-May-08
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
MODEL
MIL-PRF-39009
TYPE
POWER RATING
P
25 °C
W
MILITARY
RESISTANCE RANGE
± 1 %
Ω
WEIGHT
(typical)
g
MOUNTED
FREE AIR
ENH-5
RER40
5
3
1 - 1.65K
3.3
ENH-10
RER45
10
6
1 - 2.8K
8.8
ENH-25
RER50
20
8
1 - 6.04K
16.5
ENH-50
RER55
30
10
1 - 4.99K
35
ERH-5
RER60
5
3
0.10 - 3.32K
3
ERH-10
RER65
10
6
0.10 - 5.62K
6
ERH-25
RER70
20
8
0.10 - 12.1K
13
ERH-50
RER75
30
10
0.10 - 39.2K
28
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
ERH, ENH RESISTOR CHARACTERISTICS
Temperature Coefficient
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
Dielectric Withstanding Voltage
V
AC
1000 for ERH-5, ERH-10 and ERH-25, 2000 for ERH-50
Short Time Overload
-
5 x rated power for 5 s
Maximum Working Voltage
V
(
P x R)
1/2
Insulation Resistance
Ω
10 000 M
Ω minimum dry, 1000 MΩ minimum after moisture test
Terminal Strength
lb
5 pull for ERH-5 and ERH-10, 10 pull for ERH-25 and ERH-50
Solderability
-
Meets requirements of ANSI J-STD-002
Operating Temperature Range
°C
- 55 to + 250
GLOBAL PART NUMBER INFORMATION
Global/Military Part Numbering: RER65F1001RC02
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
49R9 = 49.9
Ω
1000 = 100
Ω
1001 = 1000
Ω
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
6
5
F
1
0
1
R
0
E
R
C
0
2
R