Commercial Grade Power
Axial Wirewound Resistor
CCW Series
•
•
•
•
•
Power ratings from 1/2W to 9W
Non-inductive windings available
Ceramic core wirewound resistor
Resistance range from 0.1Ω to 1.5Ω
Welded construction, conformal coating
Electrical Data
IRC Type
Power
rating at
70°C (W)
0.5
1
2
3
5
7
8
9
Resistance
Range*
(Ohms)
0.1 - 39
0.1 - 50
0.1 - 120
0.1 - 200
0.5 - 470
0.5 - 470
1 - 1.5K
1 - 1.5K
Tolerance
(±%)
2, 5, 10
2, 5, 10
2, 5, 10
2, 5, 10
2, 5, 10
2, 5, 10
2, 5, 10
2, 5, 10
300 (≥20Ω)
400 (<20Ω)
Temperature Coefficient of Resistance
(±ppm/°C)
CCW - 1/2
CCW - 1
CCW - 2
CCW - 3
CCW - 5
CCW - 7
CCW - 8
CCW - 9
*For resistance values outside these ranges, contact factory.
Environmental Data
Short-time overload
Dielectric withstanding voltage
Resistance to Soldering heat
Operating temperature range
∆R/R ≤
(±2% + 0.05Ω), 2.5 Nominal power for 5 seconds
1000V
∆R/R ≤
(±1% + 0.05Ω)
-55°C to 275°C
General Note
IRC reserves the right to make changes in product specification without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print.
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
A subsidiary of
TT electronics plc
CCW Series Issue August 2008 Sheet 1 of 3
Commercial Grade Power
Axial Wirewound Resistor
Physical Data
Od
D
H
L
H
Dimensions (mm)
IRC Type
CCW - 1/2
CCW - 1
CCW - 2
CCW - 3
CCW - 5
CCW - 7
CCW - 8
CCW - 9
D (±1)
4.0
5.0
5.5
6.5
8.5
8.5
8.5
8.5
L (max.)
10.0
12.0
16.0
17.5
26.0
32.0
41.0
54.0
d (±0.02)
0.7
0.7
0.8
0.8
0.8
0.8
0.8
0.8
H (±3)
28
28
28
28
38
38
38
38
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
CCW Series Issue August 2008 Sheet 2 of 3
Commercial Grade Power
Axial Wirewound Resistor
Performance Curves
Derating Curve
Sample Part No.
CCW
2
1001
J
LF
BLK
Ordering Data
Specify type, resistance, tolerance, RoHS-Compliance and packaging.
This example is for a Power Axial Wirewound, 2-watt, 1000Ω resistor.
100
Percent rated load (%)
80
60
40
20
+70°C
+155°C
+275°C
IRC Type
CCW - Power Axial Wirewound
Power rating
(see specs table)
(≥100Ω - First 3 significant digits plus 4th digit multiplier)
Example: 100Ω = 1000; 1000Ω = 1001
(>100Ω - "R" is used to designate decimal)
Example: 10Ω = 10R0; 1Ω = 1R00; 0.25Ω = R250
Resistance Value (EIA 4-digit code)
Tolerance (EIA format)
-55
0
50
100 150
200 250 300
G = ±2%
J = ±5%
K = ±10%
Ambient Temperature (°C)
RoHS - Compliance
Packaging
LF = RoHS compliant construction
BLK = bulk packaging
Temperature Rise Chart
8W, 9W
Temperature Rise (°C)
200
150
100
50
5W, 7W
2W, 3W
1/2W, 1W
0
50
Rated Load (%)
100
Wire and Film Technologies Division
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
CCW Series Issue August 2008 Sheet 3 of 3
京公网安备 11010802033920号
EEWORLD
