RER45F2R87RC02 Vishay, RER45F2R87RC02 Datasheet - Page 2
![](/photos/30/48/304824/erh_sml.jpg)
RER45F2R87RC02
Manufacturer Part Number
RER45F2R87RC02
Description
Manufacturer
Vishay
Type
Wirewoundr
Datasheet
1.RER45F2R87RC02.pdf
(3 pages)
Specifications of RER45F2R87RC02
Power Rating(s)
10W
Resistance
2.87Ohm
Tolerance (+ Or -)
1%
Temperature Coefficient
±50
Mounting Style
Flange
Construction
Chassis
Operating Temp Range
-55C to 250C
Case Style
Aluminum Housed
Termination Style
Axial
Military Standard
MIL-PRF-39009
Failure Rate
R
Product Length (mm)
34.93mm
Product Height (mm)
9.91mm
Product Depth (mm)
20.32mm
Lead Free Status / RoHS Status
Not Compliant
DIMENSIONS
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
POWER RATING
Vishay ERH and ENH resistor wattage ratings are based on
mounting to the proper heat sink.
ERH-5 and ERH-10: 4" x 6" x 2" x 0.040" thick aluminum
chassis
ERH-25 and ERH-50: 5" x 7" x 2" x 0.040" thick aluminum
chassis
Document Number: 30200
Revision: 29-May-08
MODEL
ERH-5
ENH-5
ERH-10
ENH-10
ERH-25
ENH-25
ERH-50
ENH-50
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
± 0.127]
± 0.127]
± 0.127]
± 0.127]
± 0.005
[11.280
± 0.005
[14.270
± 0.005
[18.260
± 0.005
[39.670
0.444
0.562
0.719
1.562
A
± 0.127]
± 0.127]
± 0.127]
± 0.127]
± 0.005
[12.450
± 0.005
[15.880
± 0.005
[19.840
± 0.005
[21.440
0.490
0.625
0.781
0.844
B
± 0.787]
± 0.787]
± 0.787]
± 0.787]
± 0.031
[15.240
± 0.031
[19.050
± 0.031
[26.970
± 0.031
[49.990
0.600
0.750
1.062
1.968
Wirewound Resistors, Military/Established Reliability
B
C
CONDITIONS OF TEST
Apply rated power until thermal stability, remove power subject to air
temperature of - 55 °C for 15 to 30 min
5 x rated power for 5 s
1000 V
1 min duration
- 55 °C for 24 h
250 °C for 2000 h
MIL-STD-202, Method 106
MIL-STD-202, Method 213, condition 1
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, 45, 60, 65), 10 pound (RER50, 55, 70, 75)
MIL-PRF-39009 Qualified, Type RER, R Level
± 1.570]
± 1.570]
± 1.570]
± 1.570]
± 0.062
[28.580
± 0.062
[34.930
± 0.062
[49.230
± 0.062
[70.640
1.125
1.375
1.938
2.781
For technical questions, contact: ww2bresistors@vishay.com
D
rms
K
(RER 40, 45, 50, 60, 65, 70), 2000 V
®
± 0.381]
± 0.381]
± 0.381]
± 0.381]
± 0.015
± 0.015
[10.670
± 0.015
[13.970
± 0.015
[16.000
[8.480
0.334
0.420
0.550
0.630
C
A
D
E
L
DIMENSIONS in inches [millimeters]
± 0.381]
± 0.381]
± 0.381]
± 0.381]
± 0.015
[16.410
± 0.015
[20.320
± 0.015
[27.430
± 0.015
[28.960
0.646
0.800
1.080
1.140
F
P
M
± 0.381]
± 0.381]
± 0.381]
± 0.381]
± 0.015
± 0.015
± 0.015
[13.870
± 0.015
[15.490
[8.130
[9.910
0.320
0.390
0.546
0.610
G
APPLICABLE MIL SPECIFICATION
MIL-PRF-39009: This is the military specification covering
housed
wirewound resistors. Vishay ERH and ENH resistors are
listed as qualified on the MIL-PRF-39009 QPL.
± 0.254]
± 0.254]
± 0.254]
± 0.254]
± 0.010
± 0.010
± 0.010
± 0.010
[1.650
[1.900
[1.900
[2.240
Derating
0.065
0.075
0.075
0.088
J
120
100
H
N
- 55
80
60
40
20
0
rms
- 50
chassis
± 0.254]
± 0.254]
± 0.254]
± 0.254]
(RER55 and 75),
± 0.010
± 0.010
± 0.010
± 0.010
[3.380
[4.190
[5.870
[6.600
0.133
0.165
0.231
0.260
J
0
F
E
± 0.254]
± 0.254]
± 0.254]
± 0.254]
± 0.010
± 0.010
± 0.010
± 0.010
[1.980
[2.360
[4.370
[4.980
25
0.078
0.093
0.172
0.196
mount
K
50
H
± 0.127]
± 0.127]
± 0.127]
± 0.127]
± 0.005
± 0.005
± 0.005
± 0.005
[2.360
[2.390
[3.180
[3.180
0.093
0.094
0.125
0.125
established
G
AMBIENT TEMPERATURE IN °C
L
100
± 0.381]
± 0.381]
± 0.381]
± 0.381]
± 0.015
± 0.015
± 0.015
± 0.015
[1.980
[2.590
[2.920
[2.720
0.078
0.102
0.115
0.107
M
150
± (0.5 % + 0.01 Ω) ΔR
± (0.3 % + 0.01 Ω) ΔR
± (0.2 % + 0.01 Ω) ΔR
± (0.3 % + 0.01 Ω) ΔR
± (1.0 % + 0.01 Ω) ΔR
± (0.5 % + 0.01 Ω) ΔR
± (0.2 % + 0.01 Ω) ΔR
± (0.2 % + 0.01 Ω) ΔR
± (1.0 % + 0.01 Ω) ΔR
± (2.0 % + 0.01 Ω) ΔR
± (0.2 % + 0.01 Ω) ΔR
ERH, ENH
Vishay Dale
reliability
TEST LIMITS
± 0.127]
± 0.127]
± 0.127]
± 0.127]
± 0.005
± 0.005
± 0.005
± 0.005
[1.270
[2.160
[2.160
[2.160
0.050
0.085
0.085
0.085
www.vishay.com
N
200
± 1.570]
± 1.570]
± 1.570]
± 1.570]
± 0.062
± 0.062
± 0.062
[11.130
± 0.062
[11.130
[6.760
[7.920
0.266
0.312
0.438
0.438
power
250
P
161