Rwst, Vishay sfernice, Power rating chart temperature rise packaging – C&H Technology RWST User Manual
Page 4: Marking, Ordering information, Sap part numbering guidelines

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For technical questions, contact: [email protected]
Document Number: 50017
63
Revision: 23-Oct-06
RWST
Vishay Sfernice
Fixed Wirewound High Power Vitreous Resistors
Electrical Traction Model
POWER RATING CHART
TEMPERATURE RISE
PACKAGING
Box: Fixed quantity depending on size and connections.
MARKING
SFERNICE trademark, model, style, nominal resistance (in
Ω), tolerance (in %), manufacturing date.
ORDERING INFORMATION
RWST
25 × 138
B
56U
± 5 %
B06
e
MODEL
STYLE
NON-INDUCTIVE
BOBINAGE
Optional
SPECIAL
DESIGN
Optional
CONNECTIONS
OHMIC VALUE
Custom items are
subject to extra-charge
and min. order.
Please see price list.
TOLERANCE PACKAGING
LEAD
(Pb)-FREE
SAP PART NUMBERING GUIDELINES
RWST
25138
B
56R0
J
B06
MODEL
STYLE
CONNECTIONS
OHMIC VALUE
TOLERANCE
PACKAGING
AMBIENT TEMPERATURE IN DEGREES CELSIUS
R
E
W
O
P
D
E
T
A
R
%
100
75
50
25
0
0 65 130 195 260 325 390 455
RATED POWER IN WATTS
C°
NI
E
R
U
T
A
R
E
P
M
E
T
T
O
P
S
T
O
H
400
300
200
100
0
10
100
1000
RWST 25 × 138
RWST 25 × 168
RWST 30 × 250
RWST 40 × 370
RWST
50 Ч 373