WH50 3R3JI Welwyn Components, WH50 3R3JI Datasheet - Page 2

• Manufacturer Part Number: WH50 3R3JI
• Description: RESISTORS, 50W 5% 3R3RESISTOR, 50W 5% 3R3
• Manufacturer: Welwyn Components
• Series: WH50r

Specifications of WH50 3R3JI

• Resistors Element Type: WIREWOUND ALUMINUM CLAD
• Resistance: 3.3R
• Power Rating: 50W
• Tolerance, +: 5%
• Tolerance, -: 5%
• Temp, Op. Max: 275(DEGREE C)
• Temp, Op. Min: -55(DEGREE C)
• Rohs Compliant: YES

108
Aluminium Housed
Wirewound Resistors
WH Series
Performance Data
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Physical Data
Dimensions (mm)
Type
WH5
WH10
WH25
WH50
Type
WH5
WH10
WH25
WH50
Load at commercial rating: 1000 hrs at 25°C
Load at CECC rating: 1000 hours at 25°C
Dry heat: 1000 hours at 200°C
Derating from 25°C
Short term overload
Climatic sequence
Climatic category
Long term damp heat
Temperature rapid change
Resistance to solder heat
Vibration and bump
Noise (in decade of frequency)
Insulation resistance.
Isolation voltage : WH5 and 10
Pulse handling
Max
Max
30.0
36.5
51.0
72.5
11
15
16
A
G
9
: WH25 and 50
Dia ±0.2
±0.3
12.4
15.9
19.8
21.4
2.4
2.4
3.3
3.3
B
H
Bedlington, Northumberland NE22 7AA, UK
Max
±0.3
11.3
14.3
18.3
39.7
17.0
21.0
29.0
51.0
C
L
±0.5
Min
1.9
1.9
2.8
2.8
4.3
5.2
7.2
7.9
M
E
volts AC peak
volts AC peak
Max
Max
1.8
2.2
2.6
2.6
17
21
28
30
ohms
N
F
µV/V
R %
R %
R %
R %
R %
R %
R %
R %
R %
Zero at 200°C
Not specified
40203-006
55/200/56
1000 min
2000 min
>1Gohm
CECC
0.25
0.25
0.25
1.0
1.0
1.0
1.0
1.0
1.0
Maximum
>20Tohm
1500 min
3000 min
Data available by request
0.25
0.25
0.25
zero
1.0
1.0
1.0
1.0
1.0
0.5
Actual
Welwyn Components
>100Gohm
Typical
0-.025
0.05
zero
0.4
0.4
0.4
0.2
0.4
0.2
0.1
See application
Issue D · 03.06
Notes
notes