SH
www.vishay.com
Vishay Sfernice
Heatsink Encased Wirewound Power Resistors
Industrial Applications
FEATURES
•
•
•
•
•
•
50 W at + 25 °C
High power characteristics
RoHS
Utilize heatsink capability
COMPLIANT
Good mechanical protection
Industrialized product
Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
Built for high power dissipation applications, these components have very good overall characteristics for industrial use under
harsh environmental conditions.
DIMENSIONS
in millimeters
A
D
M
F
N
Ø2
H
J
G
B
ØK
E
Q
ØP
L
SERIES
SH5
SH10
SH25
SH50
A
28.5 ± 1.5
35.5 ± 1.5
49 ± 1.3
70.2 ± 1.4
B±
0.2
12.5
15.9
19.8
21.4
D±
0.2
11.3
14
18.3
39.7
E±
0.5
16.3
19
28
50
F
6.8 ± 1.5
7.9 ± 1.5
11.1 ± 1.5
11 ± 1.2
G±1
8.5
11
14
15.5
H±
0.7
6.2
7.9
9.9
10.7
J±
0.5
16.4
20.6
27.5
29.4
ØK±
0.1
2.4
2.4
3.2
3.2
L
MAX.
8.9
11
15
15
M±
0.5
4.3
5.6
8
8
N±
0.3
1.6
2
2.4
2.4
ØP
MIN.
2.1
2.1
2.1
2.1
Q
25.3 ± 1.5
30.6 ± 1.5
44.6 ± 1.3
66.5 ± 1.4
WEIGHT
g
3
8.8
16.5
30.8
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
SH5
SH10
SH25
SH50
RESISTANCE RANGE
0.1 to 3.3K
0.1 to 15K
0.1 to 33K
0.1 to 51K
RATED POWER
P
25 °C
W
10
12.5
25
50
LIMITING ELEMENT
VOLTAGE
V
160
250
550
1285
TOLERANCE
±%
5
5
5
5
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE SERIES
Power Rating
Chassis mounted resistors:
413 cm
2
for SH5 and SH10, 536 cm
2
for SH25 and SH50
Unmounted resistors
Dielectric Strength V
RMS
Insulation Resistance
Temperature Coefficient
Climatic Category
Temperature Limits
Revision: 05-Aug-13
at 25 °C
at 70 °C
at 25 °C
at 70 °C
SH5
10 W
8W
4W
3.2 W
800 V
SH10
12.5 W
10 W
SH25
25 W
20 W
SH50
50 W
40 W
6W
9W
12 W
4.8 W
7.2 W
9.6 W
1000 V
2000 V
2000 V
4
M
4
M
> 10
> 3 x 10
± 50 ppm/°C
R
n
> 50
55/200/56
- 55 °C
+ 200 °C
Document Number: 50014
1
For technical questions, contact:
sferfixedresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
SH
www.vishay.com
Vishay Sfernice
CONDITIONS
5
P
n
/5 s
- 55 °C
+ 200 °C
5 cycles
Nominal power
P
n
1000 h at 25 °C
TYPICAL DRIFTS
± 0.5 % max.
± 1 % max.
± 1 % max.
+ 0.05
+ 0.05
+ 0.05
PERFORMANCE
TESTS
Momentary Overload
Climatic Sequence
Load Life
POWER RATING
125
TEMPERATURE RISE
HOT SPOT TEMPERATURE IN °C
250
100
RATED POWER IN %
200
5
SH
0
75
150
50
100
1
SH
5
SH
0
2
SH
5
25
50
0
0
50
100
150
200
250 275 300
350
0
0
10
20
30
40
50
60
70
AMBIENT TEMPERATURE IN °C
RATED POWER IN W
(Mounted on heatsink chassis)
MARKING
Vishay Sfernice trademark, model, style, nominal resistance
(in
),
tolerance (in %), manufacturing date.
PACKAGING
Bag of 10 units
ORDERING INFORMATION
SH
MODEL
25
STYLE
10 k
OHMIC VALUE
5%
TOLERANCE
BA10
PACKAGING
e1
LEAD (Pb)-FREE
SAP PART NUMBERING GUIDELINES
SH
MODEL
25
STYLE
10001
OHMIC VALUE
J
TOLERANCE
S03
PACKAGING
Revision: 05-Aug-13
Document Number: 50014
2
For technical questions, contact:
sferfixedresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all
liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special,
consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular
purpose, non-infringement and merchantability.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a
particular product with the properties described in the product specification is suitable for use in a particular application.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
PCB设计
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
