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| 型号： | SRF1280-220M |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | IND SHIELDED POWER 22UH SMD |
| 标准包装： | 1 |
| 系列： | SRF1280 |
| 每一线圈的电感： | 22µH |
| 线圈数目： | 2 |
| 电流： | 2A |
| 容差： | ±20% |
| 电感 - 串行连接： | 88µH |
| 电感 - 并行连接： | 22µH |
| DC 电阻(DCR)： | 最大 96 毫欧 |
| 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： | SRF1280-220MDKR |
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)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SRF1280-221M | 功能描述:耦合电感 220uH 0.343Ohms 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 |
| SRF1280-2R2M | 功能描述:耦合电感 2.2uH 0.0092Ohms 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 |
| SRF1280-2R2Y | 功能描述:耦合电感 2.2uH 0.0092ohms 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 |
| SRF1280-330M | 功能描述:耦合电感 33uH 0.0664Ohms 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 |
| SRF1280-331M | 功能描述:耦合电感 330uH 0.54Ohms 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 |
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