POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
WIREWOUND
MINIATURE TYPE
POWER
RW
W
NE
STRUCTURE
1
2
3
4
5
Ceramic core
Resistive element (wire)
Steel cap (Cu, Sn plated)
Lead wire
Insulation coating
IDENTIFICATION
PRODUCT CODE
COATING COLOR
MARKING
RW
Black
Alpha Numeric
(Type, R-value and
tolerance)
TYPE DESIGNATION (HOW TO ORDER)
*
RW
1/2
C
T52
A
PRODUCT
CODE
POWER
RATING
TERMINATION
SURFACE
MATERIAL
TAPING &
FORMING
PACKAGING
Unit: Watt
C: SnCu
L: Sn/Pb
2611
A: Ammo
“Blank”: Bulk
F
NOMINAL
RESISTANCE
RESISTANCE
TOLERANCE
D, F: 4 digits
H, J: 3 digits
*Please see “PACKAGING”
DIMENSIONS (mm)
FEATURES
s
s
s
s
s
s
TYPE
Wirewound power and precision type resistor (0.5 W to 10 W)
Miniature size
Excellent long term stability
Excellent environment performance
Axial taping is available for RW 1/2 and RW1
Tolerance ±0.1% is available on request
L
RW 1/2
RW 1
RW 2
RW 3
RW 5
RW 7
RW 10
ØD
8 ± 1.0
10.5 ± 1.0
13 ± 1.0
16.5 ± 1.0
22 ± 1.0
31.5 ± 1.0
46 ± 1.5
Ød (nominal)
+1.0
-0
1.6
2.7 ± 1.0
5.2 ± 1.0
6.4 ± 1.0
7.8 ± 1.5
7.8 ± 1.5
9.3 ± 1.5
0.5
0.5
0.8
1.0
1.0
1.0
1.0
DERATING CURVE
1
2
Characteristic U: Recommended maximum wattage
rating for best long term stability.
Allows 275°C hot spot and ±0.5% load life stability.
Characteristic V: Dual wattage rating allows 350°C hot
spot and ±3% ∆R after 1000 Hrs load life stability.
RATING
TYPE
RW 1/2
RW 1
RW 2
RW 3
RW 5
RW 7
RW 10
T.C.R.
(ppm/K)
POWER RATING (at 25°C)
±90: R<1Ω
±50: 1Ω