POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
WIREWOUND
MINIATURE TYPE
POWER, NON-INDUCTIVE
RW N
W
NE
STRUCTURE
1
Ceramic core
2
Resistive element (wire)
Non-Inductive
3
Steel cap
(Cu, Sn plated)
4
Lead wire
5
Insulation coating
IDENTIFICATION
PRODUCT CODE
RW N
COATING COLOR
Black
MARKING
Alpha Numeric
(Type, R-value and
tolerance)
TYPE DESIGNATION (HOW TO ORDER)
RW
PRODUCT
CODE
1/2
POWER
RATING
Unit: Watt
N
NON
INDUCTIVE
TYPE
C
TERMINATION
SURFACE
MATERIAL
C: SnCu
L: Sn/Pb
T52
TAPING &
FORMING
A
PACKAGING
A: Ammo
“Blank”: Bulk
*
202
NOMINAL
RESISTANCE
D, F: 4 digits
H, J: 3 digits
J
RESISTANCE
TOLERANCE
*Please see “PACKAGING”
FEATURES
s
s
s
s
s
s
Non-inductive type
Wirewound power and precision type resistor (0.5W to 10W)
Miniature size
Excellent long term stability
Excellent environmental performance
Axial taping is available for RW1/2N and RW1N
DIMENSIONS (mm)
TYPE
RW 1/2 N
RW 1 N
RW 2 N
RW 3 N
RW 5 N
RW 7 N
RW 10 N
L
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
1.6
+1.0
-0
2.7 ± 1.0
5.2 ± 1.0
6.4 ± 1.0
7.8 ± 1.5
7.8 ± 1.5
9.3 ± 1.5
Ød (nominal)
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 N
RW 1 N
RW 2 N
RW 3 N
RW 5 N
RW 7 N
RW 10 N
T.C.R.
(ppm/K)
POWER RATING (at 25°C)
U
0.5 W
1W
2W
3W
5W
7W
10 W
V
1W
2W
3W
5W
7W
10 W
14 W
MAX.
WORKING
VOLTAGE
80 V
130 V
140 V
200 V
400 V
600 V
1000 V
MAX.
OVERLOAD
VOLTAGE
150 V
300 V
500 V
600 V
700 V
800 V
1500 V
RESISTANCE RANGE AND TOLERANCE
F(±1%)
10
Ω
... 2.37 kΩ
10
Ω...
3.74 kΩ
15
Ω...
10 kΩ
15
Ω...
15 kΩ
20
Ω...
29.4 kΩ
36
Ω...
44.2 kΩ
62
Ω...
49.9 kΩ
H(±3%) • J(±5%)
10
Ω
... 2.4 kΩ
10
Ω...
3.6 kΩ
10
Ω...
10 kΩ
15
Ω...
15 kΩ
20
Ω...
30 kΩ
36
Ω...
43 kΩ
62
Ω...
51 kΩ
±90: R<1Ω
±50: 1Ω<R<9.9Ω
±20: R≥10Ω
130
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