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74477728

产品描述General Purpose Inductor, 820uH, 20%, 1 Element, Ferrite-Core, SMD, ROHS AND REACH COMPLIANT
产品类别电感器    固定电感器   
文件大小517KB,共6页
制造商Wurth Elektronik
标准
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74477728概述

General Purpose Inductor, 820uH, 20%, 1 Element, Ferrite-Core, SMD, ROHS AND REACH COMPLIANT

74477728规格参数

参数名称属性值
Brand NameWurth Electronik
是否Rohs认证符合
厂商名称Wurth Elektronik
Reach Compliance Codecompliant
ECCN代码EAR99
型芯材料FERRITE
直流电阻5.2 Ω
标称电感 (L)820 µH
电感器应用POWER INDUCTOR
电感器类型GENERAL PURPOSE INDUCTOR
JESD-609代码e1
功能数量1
端子数量2
最高工作温度125 °C
最低工作温度-40 °C
最大额定电流0.21 A
自谐振频率2.8 MHz
形状/尺寸说明RECTANGULAR PACKAGE
屏蔽NO
表面贴装YES
端子面层Tin/Silver/Copper (Sn/Ag/Cu)
端子位置DUAL ENDED
端子形状WRAPAROUND
测试频率0.001 MHz
容差20%
Base Number Matches1

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Dimensions: [mm]
2,0 ±0,1
Recommended Land Pattern: [mm]
Electrical Properties:
Properties
Inductance
Rated Current
L
I
R
I
SAT
Test conditions
1 kHz/ 250 mV
ΔT = 40 K
|ΔL/L| < 10 %
Value
820
0.21
0.26
3000
5200
2.5
120
Unit
µH
A
A
MHz
V
Tol.
±20%
max.
typ.
typ.
max.
typ.
max.
2,2
1,6
Saturation Current
DC Resistance
DC Resistance
R
DC
@ 20 °C
R
DC
@ 20 °C
f
res
V
4,8
8
Self Resonant Frequency
Operating Voltage
Certification:
7,3 ±0,2
no vias and sensitive traces underneath the component
RoHS Approval
REACh Approval
Halogen Free
Compliant [ 2011/65/EU&2015/863 ]
Conform or declared [ (EC)1907/2006 ]
Conform [ JEDEC 709B ]
4,5 max.
Scale - 2:1
Schematic:
General Information:
It is recommended that the temperature of the component does not exceed +125 °C under worst
case conditions
7,3 ±0,2
Ambient Temperature (refering to
I
R
)
Operating Temperature
Storage Conditions (in original
packaging)
Moisture Sensitivity Level (MSL)
Scale - 4:1
-40 up to +85 °C
-40 up to +125 °C
< 40 °C ; < 75 % RH
1
Test conditions of Electrical Properties: +20 °C, 33 % RH if not specified differently
Product Marking:
Start of Winding
Marking
CHECKED
REVISION
DATE (YYYY-MM-DD)
GENERAL TOLERANCE
821 (Inductance Code)
PROJECTION
METHOD
ALa
DESCRIPTION
002.006
2018-12-01
DIN ISO 2768-1m
Würth Elektronik eiSos GmbH & Co. KG
EMC & Inductive Solutions
Max-Eyth-Str. 1
74638 Waldenburg
Germany
Tel. +49 (0) 79 42 945 - 0
www.we-online.com
eiSos@we-online.com
WE-PD SMT Shielded Power
Inductor
SIZE/TYPE
BUSINESS UNIT
ORDER CODE
74477728
STATUS
PAGE
7345
eiSos
Valid
1/6
This electronic component has been designed and developed for usage in general electronic equipment only. This product is not authorized for use in equipment where a higher safety standard and reliability standard is especially required or where a failure of the product is reasonably expected to cause severe personal injury or death, unless the parties have executed an agreement specifically governing such use. Moreover Würth Elektronik eiSos GmbH
& Co KG products are neither designed nor intended for use in areas such as military, aerospace, aviation, nuclear control, submarine, transportation (automotive control, train control, ship control), transportation signal, disaster prevention, medical, public information network etc.. Würth Elektronik eiSos GmbH & Co KG must be informed about the intent of such usage before the design-in stage. In addition, sufficient reliability evaluation checks for safety
must be performed on every electronic component which is used in electrical circuits that require high safety and reliability functions or performance.

 
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