WH25-47RJI Welwyn Components, WH25-47RJI Datasheet - Page 2

• Manufacturer Part Number: WH25-47RJI
• Description: RESISTOR, WIRE WOUND, 47OHM, 25W, 5%
• Manufacturer: Welwyn Components
• Series: WHr

Specifications of WH25-47RJI

• Resistance: 47ohm
• Resistance Tolerance: ± 5%
• Power Rating: 25W
• Voltage Rating: 560V
• Resistor Element Material: Wirewound
• Resistor Case Style: Axial Leaded
• Temperature Coefficient: ± 50ppm/°C
• Tolerance: 5 %
• Operating Temperature Range: - 55 C to + 200 C
• Dimensions: 28 mm W x 51 mm L x 15 mm H
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

Aluminium Housed
Wirewound Resistors
Physical Data
Note 1: A
General Note
Welwyn Components reserves the right to make changes in product specification without notice or liability.
All information is subject to Welwyn’s own test data and is considered accurate at time of print.
Welwyn Electronics Park, Bedlington, Northumberland, NE22 7AA, England. Tel: [phone] Fax: [phone] Web: www.welwyn-tt.com
Dimensions (mm) & Weight (g)
WH5, 10, 25 & 50
Type
WH5
WH10
WH25
WH50
WH100, 200 & 300
WH100
WH200
WH300
Construction
Cap and lead assemblies are fitted to a high purity
ceramic substrate. The resistive element is wound onto
the substrate and welded to the caps. The wound rod is
then moulded and fitted into aluminium housing to give
optimum stability and reliability.
Welwyn Components Limited
max
for WH25T is 71.3
Nominal dims in mm
Spade terminal on
WH5, 10, 25 & 50
WH25T & WH50T
72.5
Max
47.5
72.5
72.5
Max
36.5
51
A
30
A
1
2
145.7
184.4
Max
88
B
±0.3
12.4
15.9
19.8
21.4
B
Max
24.1
41.8
41.8
C
±0.3
11.3
14.3
18.3
39.7
C
Max
27.3
45.5
45.5
Note 2: A
D
Min
1.9
1.9
2.8
2.8
E
127.7
Max
65.2
89.7
max
E
for WH50T is 95.5
Max
17
21
28
30
F
±0.3
104
35
70
F
WH100
Max
±0.3
57.2
11
15
16
G
9
37
59
G
Marking
The resistors are legend marked with type reference,
resistance value and tolerance which will withstand all
accepted industrial cleaning fluids. Values are marked
in accordance with IEC 62
Dia ±0.2
Max
11.8
20.5
20.5
2.4
2.4
3.3
3.3
H
H
Note 3: WH100: ±0.25, WH200 & 300: ±0.45
Max
15.4
10.4
12.4
J
Max
17.0
21.0
29.0
51.0
L
Max
3.7
5.5
5.5
K
±0.5
4.3
5.2
7.2
7.9
M
Nom
WH200 & 300
4.4
5.1
6.6
L
End face tracking distance = Dt
3
Max
1.8
2.2
2.6
2.6
N
103.4
141.4
Max
M
-
Min
2.5
2.9
4.3
5.1
Dt
Min
7.0
Dt
15
15
Nom
Wt.
Nom
3.6
5.6
13
29
Wt.
115
475
700