CW-2B-13 [VISHAY]
RESISTOR, WIRE WOUND, 4 W, 3; 5; 10 %, 20; 50; 90 ppm, 0.1 ohm - 6 ohm, THROUGH HOLE MOUNT, AXIAL LEADED;型号: | CW-2B-13 |
厂家: | VISHAY |
描述: | RESISTOR, WIRE WOUND, 4 W, 3; 5; 10 %, 20; 50; 90 ppm, 0.1 ohm - 6 ohm, THROUGH HOLE MOUNT, AXIAL LEADED 电阻器 |
文件: | 总2页 (文件大小:107K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
CW
Vishay Dale
Wirewound Resistors, Commercial Coated, Axial Lead
FEATURES
• High performance for low cost
• High temperature silicone coating
• Complete welded construction
• Excellent stability in operation
• High power to size ratio
STANDARD ELECTRICAL SPECIFICATIONS
POWER RATING*
MODEL
WEIGHT
(Maximum)
RESISTANCE RANGE
P25°C
W
Ω
Characteristic U
Characteristic V
± 5%, ± 10%**
0.1 - 1.77k
0.1 - 6.37k
0.1 - 3.3k
g
+ 250°C
+ 350°C
CW-1/2
CW-1
0.5
1.0
1.0
4.0
3.0
3.0
4.0
2.5
2.5
5.0
4.0
5.0
7.0
10.0
10.0
—
0.21
0.34
0.3
2.1
0.65
0.7
0.9
1.8
1.2
4.2
4.2
4.2
4.7
9.0
9.0
—
—
CW-1M
CW-2
5.5
0.1 - 28.7k
0.1 - 12k
CW-2M
CW-2B
CW-2B-13
CW-2C
CW-2C-14
CW-5
3.75
3.75
6.0
0.1 - 15k
0.1 - 6k8
3.25
3.25
6.5
0.1 - 19.9k
0.1 - 19.9k
0.1 - 58.5k
0.1 - 40.3k
0.1 - 58.5k
0.1 - 95.2k
0.1 - 167k
0.1 - 167k
CW-5-2
CW-5-3
CW-7
5.0
6.5
9.0
CW-10
CW-10-3
13.0
13.0
*Vishay Dale CW models have two power ratings, depending on operating temperature and stability requirements.
**3% tolerance available.
• Shaded areas indicate most popular models.
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
ppm/°C
VAC
CW RESISTOR CHARACTERISTICS
Temperature Coefficient
Dielectric Withstanding Voltage
Short Time Overload
± 90 for below 1.0Ω, ± 50 for 1.0Ω to 9.9Ω, ± 30 for 10Ω and above
1000
-
5 x rated power for 5 seconds for 3.75 watt size and smaller,
10 x rated power for 5 seconds for 4 watt size and greater
Terminal Strength
lb
V
10 minimum
(P x R)1/2
Maximum Working Voltage
Operating Temperature Range
Power Rating
°C
-
Characteristic U = - 65/+ 250, Characteristic V = - 65/+ 350
Characteristic U = + 250°C max. hot spot temperature, ± 0.5% max. ∆R in 2000 hr. load life
Characteristic V = + 350°C max. hot spot temperature, ± 3.0% max. ∆R in 2000 hr. load life
ORDERING INFORMATION
CW-5
3kΩ
RESISTANCE
Ω
5%
TOLERANCE
± %
MODEL
www.vishay.com
26
For technical questions, contact ww2aresistors@vishay.com
Document Number 30215
Revision 18-Oct-02
CW
Wirewound Resistors, Commercial Coated, Axial Lead
Vishay Dale
DIMENSIONS
MODEL
DIMENSIONS in inches [millimeters]
1.50 [38.10]*
Minimum
A
B
C
D
C
A
(Maximum)**
CW-1/2
CW-1
0.250 ± 0.031
[6.35 ± 0.787]
0.281
[7.14]
0.085 ± 0.020 0.020 ± 0.002
[2.16 ± 0.508] [0.508 ± 0.051]
0.406 ± 0.031
[10.31 ± 0.787]
0.437
0.094 ± 0.031 0.020 ± 0.002
D
B
[11.10] [2.39 ± 0.787] [0.508 ± 0.051]
*On some standard reel pack methods, the leads may be trimmed to
a shorter length than shown.
CW-1M
CW-2
0.285 ± 0.025
[7.24 ± 0.635]
0.311
[7.90]
0.110 ± 0.015 0.020 ± 0.002
[2.79 ± 0.381] [0.508 ± 0.051]
MATERIAL SPECIFICATIONS
Element: Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
0.625 ± 0.062
[15.87 ± 1.57]
0.765
.250 ± 0.032 0.040 ± 0.002
[19.43] [6.35 ± 0.813] [1.02 ± 0.051]
CW-2M
CW-2B
0.500 ± 0.062
[12.70 ± 1.57]
0.562
0.185 ± 0.015 0.032 ± 0.002
Core: Ceramic: Steatite or alumina, depending on physical
[14.27] [4.70 ± 0.381] [0.813 ± 0.051]
size
0.562 ± 0.062
[14.27 ± 1.57]
0.622
[15.80]
0.188 ± 0.032 0.032 ± 0.002
[4.78 ± .813] [0.813 ± 0.051]
Coating: Special high temperature silicone
Standard Terminals: Tinned Copperweld®
End Caps: Stainless steel
CW-2B-13 0.500 ± 0.062
[12.70 ± 1.57]
0.563
0.188 ± 0.032 0.032 ± 0.002
[14.30] [4.78 ± 0.813] [0.813 ± 0.051]
Part Marking: DALE, Model, Wattage*, Value, Tolerance,
Date Code
CW-2C
0.500 ± 0.062
[12.70 ± 1.57]
0.593
0.218 ± 0.032 0.040 ± 0.002
[15.06] [5.54 ± 0.813] [1.02 ± 0.051]
*Wattage marked on resistor will be “V” characteristic,
CW-1/2 will not be marked with wattage
CW-2C-14 0.500 ± 0.062
[12.70 ± 1.57]
0.593
[15.06]
0.218 ± 0.032 0.032 ± 0.002
[5.54 ± .813] [0.813 ± 0.051]
CW-5
0.875 ± 0.062
[22.22 ± 1.57]
1.0
0.312 ± 0.032 0.040 ± 0.002
120
100
[25.40] [7.92 ± 0.813] [1.02 ± 0.051]
CW-5-2
CW-5-3
CW-7
0.875 ± 0.062
[22.22 ± 1.57]
1.0
[25.40]
0.250 ± 0.032 0.032 ± 0.002
[6.35 ± .813] [0.813 ± 0.051]
80
0.875 ± 0.062
[22.22 ± 1.57]
1.0
0.312 ± 0.032 0.032 ± 0.002
[25.40] [7.92 ± 0.813] [0.813 ± 0.051]
60
CHAR. V
1.218 ± 0.062
[30.94 ± 1.57]
1.281
0.312 ± 0.032 0.040 ± 0.002
[32.54] [7.92 ± 0.813] [1.02 ± 0.051]
40
CW-10
CW-10-3
1.781 ± 0.062
[45.24 ± 1.57]
1.875
0.375 ± 0.032 0.040 ± 0.002
20
[47.62] [9.52 ± 0.813] [1.02 ± 0.051]
CHAR. U
1.781 ± 0.062
[45.24 ± 1.57]
1.875 0.375 ± 0.032 0.032 ± 0.002
[47.62] [9.52 ± 0.813] [0.813 ± 0.051]
0
-65 -50
0
50
150
250
350
25
AMBIENT TEMPERATURE IN °C
Derating
**B (Maximum) dimension is clean lead to clean lead.
PERFORMANCE*
TEST
CONDITIONS OF TEST
TEST LIMITS
(CHARACTERISTIC V)
± (2.0% + 0.05Ω) ∆R
± (2.0% + 0.05Ω) ∆R
± (0.1% + 0.05Ω) ∆R
± (2.0% + 0.05Ω) ∆R
± (4.0% + 0.05Ω) ∆R
± (2.0% + 0.05Ω) ∆R
± (0.2% + 0.05Ω) ∆R
± (0.2% + 0.05Ω) ∆R
± (3.0% + 0.05Ω) ∆R
± (1.0% + 0.05Ω) ∆R
Thermal Shock
Rated power applied until thermally stable, then a minimum of 15 minutes at - 55°C
5 x rated power (3.75 watt and smaller), 10 x rated power (4 watt and larger) for 5 seconds
1000V rms, one minute
Short Time Overload
Dielectric Withstanding Voltage
Low Temperature Storage
High Temperature Exposure
Moisture Resistance
Shock, Specified Pulse
Vibration, High Frequency
Load Life
- 65°C for 24 hours
250 hours at + 350°C
MIL-STD-202 Method 106, 7b not applicable
MIL-STD-202 Method 213, 100g’s for 6 milliseconds, 10 shocks
Frequency varied 10 to 2000Hz, 20g peak, 2 directions 6 hours each
2000 hours at rated power, + 25°C, 1.5 hours “ON”, 0.5 hours “OFF”
5 to 10 second 10 pound pull test; torsion test - 3 alternating directions, 360° each
Terminal Strength
*All ∆R figures shown are maximum, based upon testing requirements per MIL-PRF-26 at a maximum operating temperature of + 350°C.
∆R maximum figures are considerably lower when tested at a maximum operating temperature of + 250°C.
Document Number 30215
Revision 18-Oct-02
For technical questions, contact ww2aresistors@vishay.com
www.vishay.com
27
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