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CW-78.2OHM5% PDF预览

CW-78.2OHM5%

更新时间: 2024-10-28 18:11:59
品牌 Logo 应用领域
威世 - VISHAY 电阻器
页数 文件大小 规格书
2页 107K
描述
RESISTOR, WIRE WOUND, 7 W, 5 %, 50 ppm, 8.2 ohm, THROUGH HOLE MOUNT, AXIAL LEADED

CW-78.2OHM5% 技术参数

生命周期:Active包装说明:,
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8533.21.00.80风险等级:5.69
JESD-609代码:e3安装特点:THROUGH HOLE MOUNT
端子数量:2最高工作温度:250 °C
最低工作温度:-65 °C封装形状:TUBULAR PACKAGE
额定功率耗散 (P):7 W额定温度:25 °C
电阻:8.2 Ω电阻器类型:FIXED RESISTOR
子类别:Fixed Resistors表面贴装:NO
技术:WIRE WOUND温度系数:50 ppm/ °C
端子面层:MATTE TIN端子形状:WIRE
容差:5%Base Number Matches:1

CW-78.2OHM5% 数据手册

 浏览型号CW-78.2OHM5%的Datasheet PDF文件第2页 
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
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 1.0, ± 50 for 1.0to 9.9, ± 30 for 10and 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  
5%  
TOLERANCE  
± %  
MODEL  
www.vishay.com  
26  
For technical questions, contact ww2aresistors@vishay.com  
Document Number 30215  
Revision 18-Oct-02  

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