Vishay sfernice, Rohs – C&H Technology SH User Manual
Page 2
Heatsink Encased Wirewound Power Resistors
Industrial Applications
www.vishay.com
For technical questions, contact: [email protected]
Document Number: 50014
54
Revision: 07-Dec-06
SH
Vishay Sfernice
FEATURES
• ≤ 50 Watt at + 25 °C
• High power characteristics
• Utilize heatsink capability
• Good mechanical protection
• Industrialized product
Built for high power dissipation applications, these components have very good overall characteristics for industrial use under
harsh environmental conditions.
DIMENSIONS in millimeters
RoHS
COMPLIANT
SH
D
A
N
M
F
Ш 2
Ш K
Ø P
E
Q
L
G
H
B
J
MODEL AND
STYLE
SH5
SH10
SH25
SH50
A
B ± 0.2
D ± 0.2
28.5 ± 1.5
12.5
11.3
35 ± 1.5
15.9
14
49 ± 1.3
19.8
18.3
70.2 ± 1.4
21.4
39.7
E ± 0.5
F
16.3
6.8 ± 1.5
19
7.9 ± 1.5
28
11.1 ± 1.5
50
11 ± 1.2
G ± 1
H ± 0.7
8.5
6.2
11
7.9
14
9.9A
15.5
10.7
J ± 0.5
Ø K ± 0.1
16.4
2.4
20.6
2.4
27.5
3.2
29.4
3.2
L max.
M ± 0.5
8.9
4.3
11
5.6
15
8
15
8
N ± 0.3
Ø P min.
1.6
2.1
2
2.1
2.4
2.1
2.4
2.1
Q
25.3 ± 1.5
30.6 ± 1.5
44.6 ± 1.3
66.5 ± 1.4
Weight in g
3
8.8
16.5
30.8
ELECTRICAL SPECIFICATIONS
VISHAY SFERNICE MODEL AND STYLE
SH5
SH10
SH25
SH50
Po
w
e
r R
a
ti
n
g
Chassis mounted resistors: 413 cm
2
for SH5 and SH10
536 cm
2
for SH25 and SH50
at
25 °C
10 W
12.5 W
25 W
50 W
70 °C
8 W
10 W
20 W
40 W
Unmounted resistors
at
25 °C
4 W
6 W
9 W
12 W
70 °C
3.2 W
4.8 W
7.2 W
9.6 W
Ohmic Value
0.1
Ω
3.3 k
Ω
0.1
Ω
15 k
Ω
0.1
Ω
33 k
Ω
0.1
Ω
51 k
Ω
Tolerance
± 5 %
Rated Maximum Voltage
160 V
250 V
550 V
1285 V
Dielectric Strength VRMS
800 V
1000 V
2000 V
2000 V
Insulation Resistance
> 10
4
M
Ω
> 3.10
4
M
Ω
Temperature Coefficient
± 50 ppm/°C
Rn > 50
Ω
Climatic Category
55/200/56
Temperature Limits
- 55 °C
+ 200 °C