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7NCD29K1E PDF预览

7NCD29K1E

更新时间： 2024-10-29 10:38:31
品牌 Logo 应用领域
OHMITE /
页数 文件大小 规格书
1页 103K
描述
Fixed Resistor, Wire Wound, 7W, 29100ohm, 875V, 0.5% +/-Tol, -30,30ppm/Cel,

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中文翻译

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7NCD29K1E 数据手册

  
Ohmite’s Axiohm resistors are  
Centohm coated for maximum  
reliability. These all-welded  
units are characterized by their  
low temperature coefficients  
and resistance to thermal  
shock, making them ideal for  
a wide range of electrical and  
electronic applications.  
F ꢀ A T ꢁ ꢂ ꢀ s  
• Welded construction  
Axiohm Series  
• Inorganic and non-hygroscopic,  
Centohm coating seals and pro-  
tects the resistance wire.  
• Exceeds MIL-R-26 moisture  
requirements  
• Centohm Resistors are designed  
to meet and exceed performance  
characteristics of vitreous enam-  
el resistors.  
Centohm Coated  
Axial Terminal Wirewound  
1.5 in. / 38.1mm  
A
B
C
• Centohm is more cost effective  
than vitreous enamel.  
D
• ±5% resistance tolerance  
ꢂeꢅiꢅtance  
ꢂange  
(Ω)  
Dielectric  
standard With- Maximum  
ꢂeꢅiꢅtance ꢅtanding Voltage  
C
D max.  
clean term.  
to clean  
Watt  
Wire  
Gauge  
(dia.)  
O p T ꢃ O ꢄ s  
Noninductive: This specially  
designed version is wound using  
the Ayrton-Perry method.  
Resistance Tolerances: Options  
include 5%, 1%, 0.5%, 0.25%,  
and 0.1% resistors.  
Terminal Sizes: Alternate terminal  
diameters available.  
Tape and Reel: Resistors taped  
for automatic insertion. Contact  
Ohmite for size, quantity and  
ordering information  
ꢂating  
A
B
Form Min. Max. Tolerance Voltage ꢂating .ꢆ063”±±1.600  
1C  
2C  
3C  
4C  
5C  
7C  
10C  
.ꢆ6ꢇ3”617900  
term. in.”00  
0.1  
4K  
5ꢀ  
5ꢀ  
5ꢀ  
5ꢀ  
5ꢀ  
5ꢀ  
5ꢀ  
500  
500  
500  
500  
500  
500  
500  
100 0.313 .031 / 7.95 .79 0.094 / 2.39 #24 (.020”) 0.406 / 10.31  
300  
450  
600  
800  
0.1 10K  
0.1 20K  
0.1 30K  
0.1 40K  
0.1 50K  
0.1 90K  
0.375  
0.5  
0.688  
0.938  
1
/
9.53  
12.7  
17.48  
23.83  
25.4  
0.219 / 5.56 #20 (.032”) 0.469 / 11.91  
0.219 / 5.56 #20 (.032”) 0.594 / 15.09  
0.219 / 5.56 #20 (.032”) 0.813 / 20.65  
0.219 / 5.56 #20 (.032”) 1.063 / 27.00  
0.313 / 7.95 #20 (.032”) 1.125 / 28.58  
0.313 / 7.95 #20 (.032”) 1.688 / 42.67  
/
/
/
/
875  
1600  
1.563  
/
39.7  
Terminals: Tinned Copper weld.  
RoHS solder composition is  
96% Sn, 3.5% Ag, 0.5% Cu  
Derating  
Linearly from  
100% @ +25°C to  
0% @ +350°C.  
Electrical  
Tolerance: ±5% (Std) down to  
0.1% available.  
Power rating: Based on 25°C  
free air rating (other wattages  
available).  
Overload: Under 5 watts: 5 times  
rated wattage for 5 seconds. 5  
watts and over: 10 times rated  
wattage for 5 seconds.  
Temperature coefficient:  
0 ±30ppm /°C above 10Ω  
0 ±100ppm/°C 1 to 10Ω  
0 ±200ppm/°C below 1Ω  
s p ꢀ C ꢃ F ꢃ C A T ꢃ O ꢄ s  
Material  
Coating: Flameproof proprietary  
Centohm  
Core: Ceramic  
Element: Copper-nickel alloy or  
nickel-chrome alloy depending  
on resistance value  
End Cap: Stainless steel  
P e r f O r m a n c e d ata  
O r d e r i n g i n f O r m at i O n  
Test  
Maximum  
±30ppm/°C above 10Ω  
±100ppm/°C 1 to 10Ω  
±200ppm/°C below 1Ω  
Non-Inductive  
Temperature Coefficient  
Option (Add N)  
E = RoHS compliant  
Example:  
Std 3 watt,  
10K ± 5% = 3CJ10K  
Thermal Shock  
Short Time Overload  
Dielectric  
± (2% + .05Ω)∆R  
± (2% + .05Ω)∆R  
± (0.1% + .05Ω)∆R  
± (2% + .05Ω)∆R  
± (2% + .05Ω)∆R  
± (2% + .05Ω)∆R  
± (2% + .05Ω)∆R  
± (2% + .05Ω)∆R  
± (3% + .05Ω)∆R  
± (1% + .05Ω)∆R  
� ꢀ ꢁ ꢂ ꢃ ꢄ ꢅ ꢆ  
Low Temperature Storage  
High Temperature Exposure  
Moisture Resistance  
Shock  
Wattage  
Tolerance  
J = 5% (standard) use "K" for 1000  
H = 3%  
F = 1%  
D = .5%  
Q = .25%  
B = .1%  
Resistance (Ω)  
Coating  
"C" for  
Centohm  
multiplier; use "R"  
for decimal point  
Vibration  
Load Life  
Terminal Strength  
∆R values are maximums based on MIL-R-26 testing requirements at 350°C.  
Ohmite Mfg. Co.  
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com  
25  
1

中文翻译

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