POWER TYPE RESISTORS TECHNOLOGY OF TOMORROW
129
Alpha Numeric
RW Black (Type, R-value and
tolerance)
RW 1/2 0.5 W 1 W 80 V 150 V 10 Ω... 2.61 kΩ10 Ω... 2.61 kΩ0.47 Ω... 2.7 kΩ
RW 1 1 W 2 W 130 V 300 V 1 Ω... 5.11 kΩ1 Ω... 5.11 kΩ0.1 Ω... 5.1 kΩ
RW 2 ±90: R<1Ω2 W 3 W 140 V 500 V 1 Ω... 10 kΩ1 Ω... 10 kΩ0.1 Ω... 10 kΩ
RW 3 ±50: 1Ω<R<9.9Ω3 W 5 W 200 V 600 V 1 Ω... 15 kΩ1 Ω... 15 kΩ0.1 Ω... 15 kΩ
RW 5 ±20: R≥10Ω5 W 7 W 400 V 700 V 1 Ω... 30.1 kΩ1 Ω... 30.1 kΩ0.1 Ω... 30 kΩ
RW 7 7 W 10 W 600 V 800 V 1 Ω... 45.3 kΩ1 Ω... 45.3 kΩ0.1 Ω... 47 kΩ
RW 10 10 W 14 W 1000 V 1500 V 1 Ω... 60.4 kΩ1 Ω... 60.4 kΩ0.1 Ω... 62 kΩ
WIREWOUND
MINIATURE TYPE
POWER
RW
FEATURES
■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
1Ceramic core
2Resistive element (wire)
3Steel cap (Cu, Sn plated)
4Lead wire
5Insulation coating
STRUCTURE
DIMENSIONS (mm)
TYPE L ØD
RW 1/2 8 ± 1.0 1.6 0.5
RW 1 10.5 ± 1.0 2.7 ± 1.0 0.5
RW 2 13 ± 1.0 5.2 ± 1.0 0.8
RW 3 16.5 ± 1.0 6.4 ± 1.0 1.0
RW 5 22 ± 1.0 7.8 ± 1.5 1.0
RW 7 31.5 ± 1.0 7.8 ± 1.5 1.0
RW 10 46 ± 1.5 9.3 ± 1.5 1.0
Ød (nominal)
IDENTIFICATION
PRODUCT CODE COATING COLOR MARKING
TYPE DESIGNATION (HOW TO ORDER)
RW
PRODUCT
CODE
C
TERMINATION
SURFACE
MATERIAL
C: SnCu
L: Sn/Pb
TAPING &
FORMING
A
T52 2611
NOMINAL
RESISTANCE
D, F: 4 digits
H, J: 3 digits
PACKAGING
A: Ammo
“Blank”: Bulk
*Please see “PACKAGING”
F
RESISTANCE
TOLERANCE
1/2
POWER
RATING
Unit: Watt
*
RATING
TYPE T.C.R.
(ppm/K)
MAX.
WORKING
VOLTAGE F(±1%)
D(±0.5%)
RESISTANCE RANGE AND TOLERANCE*
DERATING CURVE
* Tolerance ± 0.1 % is available on request.
1 Characteristic U: Recommended maximum wattage
rating for best long term stability.
Allows 275°C hot spot and ±0.5% load life stability.
2 Characteristic V: Dual wattage rating allows 350°C hot
spot and ±3% ∆R after 1000 Hrs load life stability.
+1.0
- 0
H(±3%) • J(±5%)V
U
POWER RATING (at 25°C) MAX.
OVERLOAD
VOLTAGE
NEW
