C&H Technology RWST 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
RWST
Vishay Sfernice
Fixed Wirewound High Power Vitreous Resistors
Electrical Traction Model
FEATURES
• 95 Watt to 800 Watt at 25 °C
• NF C 93-214
• RB 25 × 168, RB 30 × 250
• Rugged construction for use in severe environmental
“CS” Type 1 Collars
The RWST vitreous wirewound high power resistors are known for their excellent reliability which has developed out of the
VISHAY SFERNICE experience over several decades in the field of high current applications.
Extremely severe conditions of use are encountered in electrical traction including repeated overloads. To withstand such
conditions the new RWST model is extremely rugged and is manufactured to a very carefully monitored process using the best
materials.
DIMENSIONS in millimeters
conditions
STAINLESS STEEL 304 L COLLARS “CS” TYPE
A
D
Ø B
G
H
E
26
15
J
Ø C
F
STAINLESS STEEL 304 L COLLARS “CS” TYPE
A
23
3
Ø B
G
H15
58
DIMENSIONS IN MILLIMETERS
RWST STYLE 25 × 138 25 × 168 30 × 250 40 × 370 50 × 373
Connections
A ± 2 138 168 250 370 373
Ø B max. 28 28 33 45 53
Ø C min. 12 12 17 22 27.1
D 50 ± 1.5 50 ± 1 60 ± 1.5 69 max. 80 max.
E 27 ± 1 27 ± 1 30 ± 1 45 ± 1.5 51 ± 1.5
F ± 0.5 24 24 25 30 30
G - 4
- 0
H - 4
- 0
J ± 0.5 6.5 6.5 9 9 9
Average unit
weight in g
(CS collars)
CS
Type 1/B/AN
199 229 317 432 432
169 199 287 405 405
225 250 445 1400 2200
CS
Type 1/B/AN
CS
Type 1/B/AN
CS
Type 2/B/AN
E
J
Type 2/AN
D
F
CS
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50017
61 Revision: 23-Oct-06
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