Datasheet

2
SMW series
B
C
A
F
E
D
-55
20
0 50 -50 100 150 200 250 275
0
20
40
60
80
100
Ambient Temp.
O
(C)
Rated Load
(%)
Rated Load
(%)
Surface Temperature Rise
O
(C)
20 40 60 80 100
0
0
100
200
300
2W
3W
5W
Rated
Wattage
A0.3 B0.3
C0.3
D0.3
Resistance
Range(Ù)
E Max.
F0.3
Dimensions
Derating Curve Surface Temperature Rise
How to order
For resistors operated in ambient temperatures above 20 ,
power rating must be derated in accordance with the curve
below.
SMW
2W
10Ù
J
a. b. c. d.
Unit mm
2W
3W
5W
It is composed by Type, Rated Wattage, Nominal Resistance and Tolerance.
a. Type( ): Power Wire Wound Chip Resistors are called "SMW".
b. Rated Wattage( ) : Shown by "W", such as 2W, 3W, 5W
c. Nominal Resistance( ) : 10Ù.
d. Tolerance( ): F 1% , J 5% .
4.0
5.5
7.3
6.7
10.5
13.5
1.4
1.7
1.7
3.55
5.0
6.8
0.1~200
0.1~300
0.1~680
1.5
2.3
2.5
7.9
12
17
Too low or too high ohmic values can be supplied only case by case.Note: