User guide
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 50008
40 Revision: 11-Dec-06
RWM
Vishay Sfernice
Enamelled Wirewound Power Resistors
Axial Leads
POWER RATING CHART
TYPICAL TEMPERATURE RISE
MARKING
Sfernice trademark, model and style, CECC style, if applicable (except for the smallest model due to lack of space: (4 x 10 or
RB 59), ohmic value, resistance tolerance, manufacturing date (year - month).
ORDERING INFORMATION
RWM 4 x 10 XXX 150U ± 5 % AM500 e1
MODEL STYLE NI OPTIONAL
Non Inductive
Winding
SPECIAL
DESIGN
Method N°
Optional
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
RWM 0410 1500 J A20 E1
MODEL STYLE OHMIC VALUE TOLERANCE PACKAGING LEAD (Pb)-FREE
REWOP DETAR %
AMB
IENT TEMPERATURE IN °C
0
25 100 200 300 350
0
25
50
75
100
116
C ° N I E R
U
T
A R E P M E T
T O P S
T
O
H
400
300
200
100
0
RATED POWER IN WATTS
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
4 x 22
5 x 26 - 6 x 22
6 x 34
8 x 34
8 x 45
46 x
01
8 x 26
5 4
x
0 1
5
6 x
0 1
4 x 10
Optional