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DRA127-821-R

更新时间： 2024-11-05 12:27:11
品牌 Logo 应用领域
库柏 - COOPER 电感器DC-DC转换器
页数 文件大小 规格书
8页 396K
描述
High Power Density, High Efficiency, Shielded Inductors

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中文翻译

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DRA127-821-R 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：TransferredReach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8504.50.80.00
风险等级：5.42直流电阻：1.54 Ω
标称电感 (L)：820 µH电感器应用：DC-DC CONVERTER
电感器类型：GENERAL PURPOSE INDUCTOR功能数量：1
端子数量：2最高工作温度：165 °C
最低工作温度：-40 °C形状/尺寸说明：RECTANGULAR PACKAGE
屏蔽：YES表面贴装：YES
端子位置：DUAL ENDED端子形状：WRAPAROUND
Base Number Matches：1

DRA127-821-R 数据手册

 浏览型号DRA127-821-R的Datasheet PDF文件第2页浏览型号DRA127-821-R的Datasheet PDF文件第3页浏览型号DRA127-821-R的Datasheet PDF文件第4页浏览型号DRA127-821-R的Datasheet PDF文件第5页浏览型号DRA127-821-R的Datasheet PDF文件第6页浏览型号DRA127-821-R的Datasheet PDF文件第7页 
DRA Series  
High Power Density,  
High Efficiency, Shielded Inductors  
Magnetics Solutions  
For Automotive Applications  
Description  
RoHS  
2002/95/EC  
• 165°C maximum total temperature operation  
• Five sizes of Automotive grade shielded drum core  
inductors  
• Inductance range from 0.28uH to 1000uH  
• Current range up to 56 Amps  
• Mechanical secure mounting for high shock and vibration  
environments  
• Good thermal dispersion with thermal conductive epoxy  
• Customized dual winding versions available upon request  
for SEPIC or Flyback configurations  
Applications  
• Automotive Electronics (under the hood, interior/exterior)  
• Telematics  
• DC-DC converters  
Packaging  
• Buck, boost, forward, and resonant converters  
• Noise filtering and filter chokes  
• Supplied in tape and reel packaging, 1350 (DRA73),  
1100 (DRA74), 750 (DRA124), 600 (DRA125),  
and 350 (DRA127) per reel  
Environmental Data  
• Storage temperature range: -40°C to +165°C  
• Operating temperature range: -40°C to +165°C  
(range is application specific)  
• Solder reflow temperature: +260°C max. for  
10 seconds max.  
• Complies with AEC-Q200 standard  
Part Number  
Rated  
OCL (1)  
µH  
Irms (2)  
Isat (3)  
Isat (4)  
DCR (5)  
(Ω)  
K-factor (6)  
Inductance  
Amperes  
Amperes  
Amperes  
+/-20%  
0.29  
Typ.  
DRA73-R33-R  
DRA73-1R0-R  
DRA73-1R5-R  
DRA73-2R2-R  
DRA73-3R3-R  
DRA73-4R7-R  
DRA73-6R8-R  
DRA73-8R2-R  
DRA73-100-R  
DRA73-150-R  
DRA73-220-R  
DRA73-330-R  
DRA73-470-R  
DRA73-680-R  
DRA73-820-R  
DRA73-101-R  
DRA73-151-R  
DRA73-221-R  
DRA73-331-R  
DRA73-471-R  
DRA73-681-R  
DRA73-821-R  
DRA73-102-R  
0.33  
1.00  
1.50  
2.20  
3.30  
4.70  
6.80  
8.20  
10.0  
15.0  
22.0  
33.0  
47.0  
68.0  
82.0  
100  
150  
220  
330  
470  
680  
820  
1000  
8.42  
6.50  
5.39  
4.18  
3.59  
2.92  
2.62  
2.30  
2.11  
1.74  
1.42  
1.25  
1.02  
0.845  
0.731  
0.682  
0.551  
0.479  
0.391  
0.326  
0.270  
0.252  
0.235  
14.80  
8.22  
6.73  
4.93  
4.35  
3.52  
2.96  
2.74  
2.39  
2.00  
1.64  
1.35  
1.10  
0.937  
0.851  
0.763  
0.632  
0.510  
0.423  
0.354  
0.297  
0.267  
0.239  
11.84  
6.58  
5.38  
3.95  
3.48  
2.82  
2.37  
2.19  
1.91  
0.0040  
0.0067  
0.0097  
0.016  
0.022  
0.033  
0.041  
0.053  
0.064  
0.094  
0.141  
0.183  
0.275  
0.397  
0.530  
0.609  
0.932  
1.23  
60.6  
33.7  
27.5  
20.2  
17.8  
14.4  
12.1  
11.2  
9.8  
8.2  
6.7  
5.5  
4.5  
3.8  
3.5  
3.1  
2.6  
2.1  
1.7  
1.4  
1.2  
0.91  
1.36  
2.52  
3.18  
4.86  
6.63  
8.06  
10.27  
14.98  
22.39  
31.84  
47.83  
66.89  
83.77  
101.7  
151.1  
218.8  
326.4  
472.6  
682.9  
825.3  
991.9  
1.60  
1.32  
1.08  
0.884  
0.749  
0.680  
0.610  
0.506  
0.408  
0.338  
0.283  
0.238  
0.214  
0.192  
1.85  
2.67  
3.89  
4.46  
1.1  
1.0  
5.15  
(1) Open Circuit Inductance test parameters: 100kHz, 0.25V, 0.0Adc,  
tolerance is 20%  
(2) Irms: DC current for an approximate ∆T of 40°C without core loss. Derating is  
necessary for AC currents. PCB layout, trace thickness and width, air-flow, and  
proximity of other heat generating components will affect the temperature rise. It  
is recommended that the temperature of the part not exceed 165°C under worst  
case operating conditions verified in the end application.  
(5) DCR limits @ 25°C  
(6) K-factor: Used to determine B p-p for core loss (see graph).  
B p-p = K*L*∆I, B p-p(mT), K: (K factor from table), L: (Inductance in µH),  
∆I (Peak to peak ripple current in Amps).  
(7) Part Number Definition: DRAxxx-xxx-R  
DRAxxx = Product code and size; -xxx = Inductance value in uH;  
R = decimal point; If no R is present, third character = # of zeros.  
-R suffix = RoHS compliant  
(3) Isat Amperes peak for approximately 30% rolloff (@25°C)  
(4) Isat Amperes peak for approximately 40% rolloff (@125°C)  
12345678

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