RH0254R990FC02 Vishay, RH0254R990FC02 Datasheet - Page 2
![Wirewound Resistors 25watts 4.99ohms 1%](/photos/30/48/304823/30201_sml.jpg)
RH0254R990FC02
Manufacturer Part Number
RH0254R990FC02
Description
Wirewound Resistors 25watts 4.99ohms 1%
Manufacturer
Vishay
Type
Wirewoundr
Series
RH, NHr
Datasheet
1.RH050470R0FE02.pdf
(5 pages)
Specifications of RH0254R990FC02
Power Rating(s)
25W
Resistance
4.99Ohm
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-18546
Product Length (mm)
49.23mm
Product Height (mm)
13.87mm
Product Depth (mm)
27.43mm
Tolerance
1 %
Power Rating
25 Watts
Operating Temperature Range
- 55 C to + 250 C
Dimensions
27.43 mm W x 26.97 mm L x 13.87 mm H
Product
Power Resistors Wire Wound Aluminum Housed
Lead Free Status / RoHS Status
Not Compliant
DIMENSIONS
DIMENSIONS
Document Number: 30201
Revision: 11-Jul-07
MODEL
RH-5
NH-5
RH-10
NH-10
RH-25
NH-25
RH-50
NH-50
Stainless Steel Stud
RH-100, NH-100
RH-250, NH-250
76.20 ± 0.787
[0.312 ± 0.031]
[3.0 ± 0.031]
Nickel Plated
7.92 ± 0.787
Brass Nut
Stainless Steel Stud
[2.812 ± 0.031]
71.42 ± 0.787
Nickel Plated
± 0.005]
± 0.005]
± 0.005]
± 0.005]
± 0.127
± 0.127
± 0.127
± 0.127
Thd. Typ.
[0.444
[0.562
[0.719
[1.562
Brass Nut
UNC-2A
11.28
14.27
18.26
39.67
RH-5, -10, -25, -50
NH-5, -10, -25, -50
12 - 24
A
± 0.005]
± 0.005]
± 0.005]
± 0.005]
± 0.127
± 0.127
± 0.127
± 0.127
[0.490
[0.625
[0.781
[0.844
12.45
15.88
19.84
21.44
B
177.80 ± 2.36 [7.0 ± 0.093]
Wirewound Resistors, Military, MIL-PRF-18546 Qualified,
± 0.7871
± 0.031]
± 0.031]
± 0.031]
± 0.787
± 0.787
± 0.787
± 0.03]
76.20 ± 0.254
[0.600
[0.750
[1.062
[1.968
[3.0 ± 0.010]
15.24
19.05
26.97
49.99
[0.188 ± 0.010]
[3.875 ± 0.010]
[0.875 ± 0.010]
4.78 ± 0.254
22.23 ± 0.254
98.42 ± 0.254
[5.478 ± 0.093]
C
139.14 ± 2.36
114.30 ± 0.787
Dia. Typ.
[4.50 ± 0.031]
B
[0.375 ± 0.031]
[2.75 ± 0.010]
69.85 ± 0.254
[3.50 ± 0.031]
9.52 ± 0.787
88.90 ± 0.787
Type RE, Aluminum Housed, Chassis Mount
± 0.062]
± 0.062]
± 0.062]
± 0.062]
± 1.57
[1.125
± 1.57
[1.375
± 1.57
[1.938
± 1.57
[2.781
28.58
34.93
49.23
70.64
For technical questions, contact: ww2bresistors@vishay.com
D
K
C
± 0.015]
± 0.015]
± 0.015]
± 0.015]
A
± 0.381
± 0.381
± 0.381
D
± .381
[0.334
[0.420
[0.550
[0.630
10.67
13.97
16.00
8.48
L
E
[0.188 ± 0.010]
1/4 - 20
UNC-2A Thd. Typ.
4.78 ± 0.254
± 0.015]
± 0.015]
± 0.015]
± 0.015]
DIMENSIONS in millimeters [inches]
± 0.381
± 0.381
± 0.381
± 0.381
Dia. Typ.
M
[0.646
[0.800
[1.080
[1.140
[0.989 ± 0.031]
16.41
20.32
27.43
28.96
P
25.12 ± 0.787
57.15 ± 0.254
[2.25 ± 0.010]
[1.125 ± 0.031]
F
28.58 ± 0.787
[1.25 ± 0.062]
[2.50 ± 0.010]
31.75 ± 1.575
63.50 ± 0.254
[1.25 ± 0.062]
31.75 ± 1.575
± 0.015]
± 0.015]
± 0.015]
± 0.015]
± 0.381
± 0.381
± 0.381
± 0.381
[0.320
[0.390
[0.546
[0.610
13.87
15.49
8.13
9.91
G
N
± 0.010]
± 0.010]
± 0.010]
± 0.010]
± 0.254
± 0.254
± 0.254
± 0.254
[0.065
[0.075
[0.075
[0.088
1.65
1.91
1.91
2.24
H
± 0.010]
± 0.010]
± 0.010]
± 0.010]
± 0.254
± 0.254
± 0.254
± 0.254
[0.133
[0.165
[0.231
[0.260
3.38
4.19
5.87
6.60
J
± 0.010]
± 0.010]
± 0.010]
± 0.010]
± 0.254
± 0.254
± 0.254
± 0.254
[0.078
[0.093
[0.172
[0.196
1.98
2.36
4.37
4.98
K
J
[2.125 ± 0.031]
[1.812 ± 0.031]
53.98 ± 0.787
46.02 ± 0.787
± 0.005]
± 0.005]
± 0.005]
± 0.005]
± 0.127
± 0.127
± 0.127
± 0.127
[0.093
[0.094
[0.125
[0.125
2.36
2.39
3.18
3.18
L
[0.188 ± 0.031]
4.78 ± 0.787
[0.250 ± 0.031
6.35 ± 0.787
± 0.015]
± 0.015]
± 0.015]
± 0.015]
± 0.381
± 0.381
± 0.381
± 0.381
E
Typ.
F
[0.078
[0.102
[0.115
[0.107
Typ.]
1.98
2.59
2.92
2.72
M
Vishay Dale
[1.75 ± 0.031]
44.45 ± 0.787
± 0.005]
± 0.005]
± 0.005]
± 0.005]
± 0.127
± 0.127
± 0.127
± 0.127
[0.050
[0.085
[0.085
[0.085
[0.770 ± 0.015]
H
1.27
2.16
2.16
2.16
19.56 ± 0.381
www.vishay.com
RH, NH
N
[0.955 ± 0.015]
24.26 ± 0.381
G
[2.188 ± 0.031]
55.58 ± 0.787
± 0.062]
± 0.062]
± 0.062]
± 0.062]
± 1.57
± 1.57
± 1.57
± 1.57
[0.266
[0.312
[0.438
[0.438
11.13
11.13
6.76
7.92
P
167