POWER TYPE RESISTORS
TECHNOLOGY OF TOMORROW
Revision: 5. Nov. 2004
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21/89 89-0 • FAX: +49 (0) 48 21/89 89 89 • Internet: www.koaeurope.de
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order and/or use.
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 high power type resistor (0.5W to 10W)
■Precision type resistor in a wide resistance range with light tolerances
■Excellent long term stability
■Excellent environment performance
■Axial taping is available for RW1/2 and RW1
■Tolerance ±0.1% is available on request
■Meets or exceeds MIL-R-26E (U and V characteristics) and surface temp.
(hot spot) 350 °C max.
■Rated ambient temperature: +25°C
■Operating temperature range: -55°C … +275°C (characteristics U)
■Operating temperature range: -55°C … +350°C (characteristics V)
1Insulation coating
2Resistive element (wire)
3Lead wire
4Electrode cap
5Ceramic core
STRUCTURE
DIMENSIONS (mm)
TYPE LØD
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 38±3
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) l
IDENTIFICATION
PRODUCT CODE COATING COLOR MARKING
TYPE DESIGNATION (HOW TO ORDER)
RW
PRODUCT
CODE
T
TERMINATION
SURFACE
MATERIAL
T: Sn
TAPING &
FORMING
A
T52 2611
NOMINAL
RESISTANCE
D, F: 4 digits
H, J: 3 digits
PACKAGING
A: Ammo
“Blank”: Bulk
*Please see “PACKAGING”
F
1/2
POWER
RATING
Unit: Watt
1/2 … 10
*
RATING
TYPE T.C.R.
(ppm/K)
MAX.
WORKING
VOLTAGE F(±1%)
D(±0.5%)
RESISTANCE RANGE AND TOLERANCE*
DERATING CURVE SURFACE TEMPERATURE RISE
* For resistors operated at an ambient temperature of +25°C or above, the power rating shall be derated in accordance with the above derating curve.
** Tolerance ±0.1% is available on request.
1Characteristic 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%)
E96
E96 E24
V
U
POWER RATING* (at 25°C)
CHARACTERISTICS
MAX.
OVERLOAD
VOLTAGE
POWER TYPE
RESISTORS
New Part No.
(Pb-free)
RESISTANCE
TOLERANCE
D: ±0.5%
F: ±1%
H: ±3%
J: ±5%
