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CW02B68R00JE70HE PDF预览

CW02B68R00JE70HE

更新时间： 2024-11-15 22:47:11
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威世 - VISHAY /
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4页 177K
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RES 68 OHM 3.75W 5% AXIAL

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CW - High Energy  
www.vishay.com  
Vishay Dale  
Wirewound Resistors, High Energy,  
Silicone Coated, Axial Lead  
FEATURES  
• High continuous energy handling up to 106.5 J  
• High temperature silicone coating  
• Complete welded construction  
• Excellent stability in operation  
• High power to size ratio  
Available  
• Material categorization:  
for definitions of compliance please see  
www.vishay.com/doc?99912  
Available  
Available  
STANDARD ELECTRICAL SPECIFICATIONS  
POWER RATING (1)  
P25 °C  
CHARACTERISTIC U  
+250 °C  
POWER RATING (1)  
P25 °C  
CHARACTERISTIC V  
+350 °C  
MAXIMUM  
RESISTANCE  
RANGE  
WEIGHT  
GLOBAL  
MODEL  
W
W
SHORT TERM  
PULSE ENERGY  
J
TOLERANCE  
ꢀ
(max.)  
g
CW02B...HE  
CW005...HE  
CW010...HE  
3.0  
5.0  
3.75  
6.5  
1.5 to 87.5  
5.5 to 343.6  
15.0 to 938.0  
10.4  
39.1  
5, 10  
5, 10  
5, 10  
0.7  
4.2  
9.0  
10.0  
13.0  
106.5  
Note  
(1)  
Vishay Dale CW...HE models have two power ratings, depending on operating temperature and stability requirements.  
TECHNICAL SPECIFICATIONS  
PARAMETER  
UNIT  
CW...HE RESISTOR CHARACTERISTICS  
Temperature Coefficient  
ppm/°C  
30 for 10 and above, 50 for 1.0 to 9.9   
5x rated power for 5 s for CW02B...HE  
10x rated power for 5 s for CW005...HE and CW010...HE  
Short Time Overload  
-
Terminal Strength  
lb  
V
10 minimum  
(P x R)1/2  
Maximum Working Voltage  
Operating Temperature Range  
°C  
Characteristic U = -65 to +250, characteristic V = -65 to +350  
Characteristic U = +250 °C max. hot spot temperature, 0.5 ꢀ max. R in 2000 h load life  
Characteristic V = +350 °C max. hot spot temperature, 3.0 ꢀ max. R in 2000 h load life  
Power Rating  
-
GLOBAL PART NUMBER INFORMATION  
Global Part Numbering example: CW02B10R00JE12HE (preferred part number format)  
C
W
0
2
B
1
0
R
0
0
J
E
1
2
H
E
GLOBAL  
MODEL  
(5 digits)  
VALUE  
(5 digits)  
TOLERANCE  
(1 digit)  
PACKAGING  
(3 digits)  
SPECIAL  
(2 to 3 digits)  
CW02B  
CW005  
CW010  
R = Decimal  
10R00 = 10   
E70 = Lead (Pb)-free, tape/reel, 1K pcs. (CW02B only)  
E73 = Lead (Pb)-free, tape/reel, 500 pcs.  
E12 = Lead (Pb)-free, bulk  
HE =  
High energy  
J = 5.0 ꢀ  
K = 10.0 ꢀ  
S70 = Tin/lead, tape/reel, 1K pcs. (CW02B only)  
S73 = Tin/lead, tape/reel, 500 pcs.  
B12 = Tin/lead, bulk  
Revision: 07-Apr-16  
Document Number: 30286  
1
For technical questions, contact: ww2aresistors@vishay.com  
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT  
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000  
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