C&H Technology SH User Manual

6121 Baker Road, Suite 108 Minnetonka, MN 55345
www.chtechnology.com
Fax (952) 933-6223
1-800-274-4284
Thank you for downloading this document from C&H Technology, Inc.
Please contact the C&H Technology team for the following questions -
Technical
Application
Assembly
Availability
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E-Mail – sales@chtechnology.com
www.chtechnology.com - SPECIALISTS IN POWER ELECTRONIC COMPONENTS AND ASSEMBLIES - www.chtechnology.com
SH
Vishay Sfernice
Heatsink Encased Wirewound Power Resistors
Industrial Applications
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
Ø K
MODEL AND
SH
A
D
E
Q
F
Ø 2
J
Ø P
M
N
H
B
G
L
STYLE
A B ± 0.2 D ± 0.2
E ± 0.5
F
G ± 1
H ± 0.7
J ± 0.5
Ø K ± 0.1
L max. M ± 0.5
N ± 0.3
Ø P min.
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
SH5 SH10 SH25 SH50
28.5 ± 1.5
12.5
11.3
16.3
6.8 ± 1.5197.9 ± 1.52811.1 ± 1.55011 ± 1.2
8.5
6.2
16.4
2.4
8.9
4.3
1.6
2.1
35 ± 1.5
15.9 14
11
7.9
20.6
2.4
11
5.6
2
2.1
49 ± 1.3
19.8
18.3
14
9.9A
27.5
3.2
15
8
2.4
2.1
70.2 ± 1.4
21.4
39.7
15.5
10.7
29.4
3.2
15
8
2.4
2.1
ELECTRICAL SPECIFICATIONS
VISHAY SFERNICE MODEL AND STYLE SH5 SH10 SH25 SH50
Chassis mounted resistors: 413 cm2 for SH5 and SH10
Power Rat in g
Ohmic Value
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
Temperature Coefficient ± 50 ppm/°C Rn > 50 Ω
Climatic Category 55/200/56
Temperature Limits - 55 °C + 200 °C
2
536 cm
Unmounted resistors at
for SH25 and SH50
25 °C 10 W 12.5 W 25 W 50 W
at
70 °C 8 W 10 W 20 W 40 W
25 °C 4 W 6 W 9 W 12 W
70 °C 3.2 W 4.8 W 7.2 W 9.6 W
0.1 Ω
3.3 kΩ
0.1 Ω
15 kΩ
4
MΩ > 3.104 MΩ
0.1 Ω
33 kΩ
0.1 Ω
51 kΩ
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50014 54 Revision: 07-Dec-06
SH
Heatsink Encased Wirewound Power Resistors
Vishay Sfernice
Industrial Applications
PERFORMANCE
TESTS CONDITIONS TYPICAL DRIFTS
Momentary Overload 5 Pn/5 s ± 0.5 % max. + 0.05 Ω
Climatic Sequence
Load Life
POWER RATING CHART
100
REWOP DETAR %
75
50
25
0
0 50 100 150 200 250 275 300 350
- 55 °C + 200 °C 5 cycles
Nominal power Pn
1000 h at 25 °C
AMBIENT TEMPERATURE IN °C
± 1 % max. + 0.05 Ω
± 1 % max. + 0.05 Ω
TEMPERATURE RISE
200
C °
N I E R U T
150
A R E
P M E
100
T T O P
S
T O
50
H
0
0 10 20 30 40 50 60 70
H S
5
H S
5 2
H S
0
1
RATED POWER IN WATTS
(Mounted on heatsink chassis)
0
5
H S
PACKAGING
Bag of 10 units
MARKING
SFERNICE trademark, model, style, nominal resistance (in Ω), tolerance (in %), manufacturing date.
ORDERING INFORMATION
SH 25 10 kΩ 5 % BA10 e1
MODEL STYLE OHMIC VALUE TOLERANCE PACKAGING LEAD (Pb)-FREE
SAP PART NUMBERING GUIDELINES
SH 25 10001 J S03
MODEL STYLE OHMIC VALUE TOLERANCE PACKAGING
Document Number: 50014 For technical questions, contact: sfer@vishay.com Revision: 07-Dec-06 55
www.vishay.com
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