C&H Technology RSO User Manual
6121 Baker Road,
Suite 108
Minnetonka, MN 55345
www.chtechnology.com
Phone (952) 933-6190
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
Pricing
Phone – 1-800-274-4284
E-Mail – sales@chtechnology.com
www.chtechnology.com - SPECIALISTS IN POWER ELECTRONIC COMPONENTS AND ASSEMBLIES - www.chtechnology.com
RSO
Vishay Sfernice
Fixed Wirewound Enamelled Corrugated Tape Resistors
Very High Dissipation
FEATURES
• 160 Watt to 1 kW at 25 °C
AN Collars
CS Collars
The remarkable dissipation power of this series is the result of an original winding method using corrugated edge-wound tape,
thus forming a very active radiator. The enamelling follows the contour of the resistive element and provides effective insulation
and support for the winding.
The tubular core is of special ceramic, capable of withstanding high thermal shock and overload of short duration.
DIMENSIONS
SCREWED STAINLESS STEEL 304 L “AN” TYPE 1
Z
F
ØC
SCREWED STAINLESS STEEL 304 L “CS” TYPE 1
26
SCREWED STAINLESS STEEL 304 L “CS” TYPE 2
23
3
DIMENSIONS in millimeters
A
ØC
E
ØB
P
A
G
H
A
ØB
G
H
R
ØQ
J
ØB
15
L
58
15
L
D
ØC
K
M
ØC
J
K
M
RSO STYLE 25 x 138 25 x 168 30 x 250 40 x 370 50 x 373
AN
Connections
type 1ANtype 1ANtype 1ANtype 2ANtype 2
CS
type 1CStype 1CStype 1CStype 2CStype 2
A ± 2 138 168 250 370 373
Ø B max. 39 39 44 54.5 65
Ø C min. 12.6 12.6 17.4 22.3 27.1
D max. 54 54 62 85.8 97
E 33.5 ± 1 33.5 ± 1 36 ± 1 57 ± 1.5 63 ± 1.5
F + 0.5
+ 0
9 9 13 18 18
Z 6 6 5 10 11.5
G - 4
- 0
H - 4
- 0
199 229 317 432 432
169 199 287 405 405
J 50 ± 1.5 50 ± 1.5 60 ± 1.5 73.8 79
K 27 ± 1 27 ± 1 30 ± 1 45 ± 1.5 45 ± 1.5
L ± 0.5 6.5 6.5 9 9 9
M ± 0.52424253030
P 117 ± 2 147 ± 2 227 ± 2.5 332 ± 3 332 ± 3
Q 5.7 5.7 5.7 9.2 9.2
R 28.5 ± 1 28.5 ± 1 31 ± 1 45 ± 1.5 51 ± 1.5
Average
weight
AN 160 190 350 960 1375
in g
CS 205 235 400 1040 1455
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50018
64 Revision: 18-Dec-06
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