收藏本站
参数资料
型号： SRF1280-821M
厂商： Bourns Inc.
文件页数： 1/2页
文件大小： 0K
描述： IND SHIELDED POWER 820UH SMD
标准包装： 1
系列： SRF1280
每一线圈的电感： 820µH
线圈数目： 2
电流： 325mA
容差： ±20%
电感 - 串行连接： 3.28mH
电感 - 并行连接： 820µH
DC 电阻(DCR)： 最大 2.948 欧姆
安装类型： 表面贴装
尺寸/尺寸： 0.492" L x 0.492" W（12.50mm x 12.50mm）
高度： 0.315"（8.00mm）
包装： 标准包装
其它名称： SRF1280-821MDKR
Features
■ Multiple applications: parallel, series,
Applications
■ SEPIC topology
101
■
■
■
■
dual-inductor and transformer
Magnetically shielded, low radiation
Inductance range: 0.47 to 4000 μ H
Rated current up to 17.9 A
RoHS compliant*
■ Power supplies for:
- Communication equipment
- Notebooks, desktop computers,
servers
- LCDs, ?at panels, backlights
- Camcorders, HDTVs, car audio
systems
SRF1280 Series - Dual-Winding Shielded Power Inductors
Electrical Speci?cations @ 25 °C
General Speci?cations
Bourns
Part No.
Inductance
@ 100 KHz
L ( μ H)
Parallel Rating
DCR
Tol. ( Ω )
(%) Max.
Irms
(A)
Isat
(A)
Inductance
@ 100 KHz
L ( μ H)
Series Rating
DCR
Tol. ( Ω )
(%) Max.
Irms
(A)
Isat
(A)
Test Voltage ..................................0.25 V
Hi-pot .................500 Vrms, 3 mA, 3 sec.
Re?ow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
SRF1280-R47Y
SRF1280-1R0Y
SRF1280-1R5Y
SRF1280-2R2Y
SRF1280-3R3Y
SRF1280-4R7Y
SRF1280-6R8Y
SRF1280-8R2Y
SRF1280-100M
SRF1280-150M
SRF1280-220M
SRF1280-330M
SRF1280-470M
SRF1280-680M
SRF1280-820M
SRF1280-101M
SRF1280-151M
SRF1280-221M
SRF1280-331M
SRF1280-471M
SRF1280-681M
SRF1280-821M
SRF1280-102M
0.47
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
15
22
33
47
68
82
100
150
220
330
470
680
820
1000
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
0.0055
0.0067
0.0076
0.0092
0.011
0.0135
0.0183
0.0191
0.0241
0.0333
0.0503
0.0664
0.0898
0.123
0.153
0.175
0.261
0.343
0.54
0.865
1.296
1.632
1.992
17.9
15.5
13.5
12.5
10.4
8.25
7.34
6.32
6.04
5.03
4
3.23
2.95
2.44
2.09
1.96
1.59
1.29
1.04
0.85
0.76
0.65
0.61
56
40
31.1
25.5
21.5
16.5
13.3
12.2
11.2
9.66
7.57
6.22
5.28
4.44
4.06
3.64
3.01
2.43
2.01
1.68
1.39
1.27
1.14
1.88
4
6
8.8
13.2
18.8
27.2
32.8
40
60
88
132
188
272
328
400
600
880
1320
1880
2720
3280
4000
±30
±30
±30
±30
±30
±30
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
0.0216
0.026
0.0306
0.0338
0.04
0.05
0.0656
0.0714
0.0921
0.129
0.192
0.265
0.353
0.469
0.578
0.701
1.013
1.38
2.172
3.3
4.888
5.896
7.202
8.94
7.74
6.77
6.23
5.23
4.13
3.67
3.16
3.02
2.51
2
1.61
1.47
1.22
1.04
0.98
0.796
0.645
0.522
0.427
0.38
0.325
0.307
28
20
15.6
12.7
10.8
8.24
6.67
6.09
5.6
4.83
3.78
3.11
2.64
2.22
2.03
1.82
1.51
1.22
1.01
0.838
0.697
0.633
0.571
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
...............................+260 °C for 10 sec.
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Base ................................................ LCP
Adhesive .............................. Epoxy resin
Terminal ..............................................Sn
Rated Current
............ Inductance drops 30 % at Isat
Temperature Rise .....40 °C at rated Irms
Packaging ....... 400 pcs. per 13-inch reel
How to Order
SRF1280 - 100M
Model
Value Code (see table)
Electrical Schematic
Product Dimensions
1
N1
N2
2
1
N1
N2
2
1
N1
N2
2
12.50
(.492)
MAX.
12.50
(.492)
3
4
3
4
3
4
MAX.
Recommended Layout
PARALLEL
SERIES
2.15
(.085)
4.50
(.204)
2.15
(.085)
4.50
(.204)
8.00
(.315)
MAX.
2
1
13.00
(.512)
2
1
13.00
(.512)
DIMENSIONS:
MM
(INCHES)
5.00 ± 0.3
5.00 ± 0.3
(.197 ± .012)
(.197 ± .012)
1
2
1.28
(.050)
3
4
1.28
(.050)
3
4
DUAL INDUCTOR MODE
SERIES MODE
4
3
1.80 ± 0.2
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Speci?cations are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their speci?c applications.
(.071 ± .008)
相关PDF资料
PDF描述
SCPH73-271 INDUCTOR SMD 270UH 0.28A 1KHZ
35NW54.7MEFC5X5 CAP ALUM 4.7UF 35V 20% BI-P RAD
SCPH73-270 INDUCTOR SMD 27UH 0.88A 1KHZ
SCPH73-221 INDUCTOR SMD 220UH 0.30A 1KHZ
SCPH73-220 INDUCTOR SMD 22UH 1.00A 1KHZ
相关代理商/技术参数
参数描述
SRF1280-8R2M 功能描述:耦合电感 8.2uH 0.0191Ohms 20% SMD Shielded RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
SRF1280-8R2Y 功能描述:耦合电感 8.2uH 0.0191ohms 30% SMD Shielded RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
SRF1280-R47M 功能描述:耦合电感 0.47uH 0.0055Ohms 20% SMD Shielded RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
SRF1280-R47Y 功能描述:耦合电感 0.47uH 0.0055ohms 30% SMD Shielded RoHS:否 制造商:Bourns 电感 - 并联:10 uH 电感 - 串联:40 uH 容差:20 % 最大直流电流:2.08 A 最大直流电阻:0.0826 Ohms 端接类型:SMD/SMT 工作温度范围:- 40 C to + 105 C 系列:SRF0703 类型:Dual-Winding Shielded Power Inductors
SRF1306-101Y 功能描述:电源线滤波器 Line Filters RoHS:否 制造商:EPCOS 电压额定值:277 VAC 电流额定值:100 A 安装风格:Chassis 端接类型:Screw
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*