参数资料
型号: SDR7045-681K
厂商: Bourns Inc.
文件页数: 1/2页
文件大小: 0K
描述: INDUCTOR 680UH 300MA SMD
标准包装: 1,000
系列: SDR7045
电感: 680µH
电流: 300mA
电流 - 饱和: 260mA
类型: 铁氧体芯体
容差: ±10%
屏蔽: 无屏蔽
DC 电阻(DCR): 最大 2.4 欧姆
Q因子@频率: 18 @ 796kHz
频率 - 自谐振: 4MHz
材料 - 芯体: 铁氧体
封装/外壳: 0.276" L x 0.276" W x 0.177" H(7.00mm x 7.00mm x 4.50mm)
安装类型: 表面贴装
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
频率 - 测试: 100kHz
Features
■ Available in E6 values
■ Current rating to 3.8 amps
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
10
0
■ RoHS compliant*
? Portable communication equipment
? Camcorders
? LCD TVs
? Car radios
SDR7045 Series - SMD Power Inductors
Electrical Specifications
General Specifications
Test Voltage.....................................0.1 V
Bourns Part No.
SDR7045-1R2M
Inductance 100 kHz
( μ H) Tol. %
1.2 ± 20
Q
Typ.
25
Test
Frequency
(MHz)
7.96
SRF
Min.
(MHz)
90
RDC
Max.
( ? )
0.022
I rms
Max.
(A)
3.80
I sat
Typ.
(A)
5.00
Reflow Soldering ...230 °C, 50 sec. max.
Operating Temperature ..-40 °C to +125 °C
(Temperature rise included)
Storage Temperature..-40 °C to +125 °C
SDR7045-1R5M
SDR7045-2R2M
SDR7045-3R3M
SDR7045-4R7M
SDR7045-6R8M
SDR7045-100M
SDR7045-150M
SDR7045-220M
SDR7045-330M
SDR7045-470K
SDR7045-680K
SDR7045-101K
SDR7045-151K
SDR7045-221K
SDR7045-331K
SDR7045-471K
SDR7045-681K
SDR7045-102K
1.5
2.2
3.3
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
330.0
470.0
680.0
1000.0
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
±
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
26
24
23
23
22
28
24
26
20
21
17
17
17
22
20
20
18
48
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.252
109
79
47
38
35
23
19
18
18
11
11
10
8
6
6
4
4
3
0.027
0.032
0.036
0.042
0.054
0.070
0.086
0.125
0.150
0.230
0.280
0.430
0.580
0.930
1.240
1.850
2.400
4.000
3.50
3.30
2.80
2.60
2.25
2.00
1.60
1.40
1.22
1.00
0.90
0.75
0.62
0.50
0.42
0.34
0.30
0.22
4.50
4.00
3.70
3.40
2.70
2.30
1.90
1.62
1.32
1.10
0.92
0.72
0.58
0.48
0.40
0.30
0.26
0.20
Resistance to Soldering Heat
................................260 °C for 10 sec.
Materials
Core .......................................Ferrite DR
Wire .............Enameled copper wire 130
Terminal .........................................Cu/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ..................40 °C max.
at rated Irms
Packaging ..................1000 pcs. per reel
Product Dimensions
7.0 ± 0.2
(.276 ± .008)
Electrical Schematic
Recommended Layout
330
7.0 ± 0.2
(.276 ± .008)
REF.
2.4
(.094)
1.8
(.071)
REF.
4.5 ± 0.3
4.2
(.165)
7.8
REF. (.307)
REF.
(.177 ± .012)
TYP.
2.0
(.079)
1.5
1.8
(.071)
REF.
DIMENSIONS:
(.059)
TYP.
4.0
TYP.
(.157)
MM
(INCHES)
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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