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参数资料
| 型号： | SRF1260-4R7Y |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | IND SHIELDED POWER 4.7UH SMD |
| 产品变化通告： | SRF1260, 1280 Series Tolerance Change Jan 2011 |
| 标准包装： | 1 |
| 系列： | SRF1260 |
| 每一线圈的电感： | 4.7µH |
| 线圈数目： | 2 |
| 电流： | 3.59A |
| 容差： | ±30% |
| 电感 - 串行连接： | 18.8µH |
| 电感 - 并行连接： | 4.7µH |
| DC 电阻(DCR)： | 最大 23.95 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： | 0.244"（6.20mm） |
| 包装： | 标准包装 |
| 其它名称： | SRF1260-4R7YDKR |
Features
■ Multiple applications: parallel, series,
Applications
■ SEPIC topology
220
■
■
■
■
dual-inductor and transformer
Magnetically shielded, low radiation
Inductance range: 0.47 to 4000 μ H
Rated current up to 17.6 A
RoHS compliant*
■ Power supplies for:
- Communication equipment
- Notebooks, desktop computers,
servers
- LCDs, ?at panels, backlights
- Camcorders, HDTVs, car audio
systems
SRF1260 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)
L ( μ H) (%) Max.
Series Rating
Inductance DCR
@ 100 KHz Tol. ( Ω )
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
SRF1260-R47Y
SRF1260-1R0Y
SRF1260-1R5Y
SRF1260-2R2Y
SRF1260-3R3Y
SRF1260-4R7Y
SRF1260-6R8Y
SRF1260-8R2Y
SRF1260-100M
SRF1260-150M
SRF1260-220M
SRF1260-330M
SRF1260-470M
SRF1260-680M
SRF1260-820M
SRF1260-101M
SRF1260-151M
SRF1260-221M
SRF1260-331M
SRF1260-471M
SRF1260-681M
SRF1260-821M
SRF1260-102M
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
0.0053
0.0062
0.0073
0.0085
0.0101
0.0137
0.0186
0.0194
0.0246
0.0329
0.0451
0.0618
0.086
0.117
0.15
0.171
0.254
0.354
0.574
0.83
1.212
1.46
1.854
17.6
15
13.8
10.9
9.26
7.18
6.64
5.54
5.35
4.27
3.7
3.28
2.71
2.22
2.05
1.78
1.48
1.19
1.06
0.87
0.7
0.6
0.57
33
23.6
18.3
15
12.7
9.71
8.68
7.86
7.17
5.69
4.71
3.84
3.24
2.7
2.39
2.2
1.81
1.51
1.22
1.02
0.85
0.77
0.7
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
0.0212
0.026
0.0302
0.0333
0.0372
0.0479
0.0672
0.0737
0.0934
0.125
0.172
0.256
0.34
0.444
0.568
0.656
0.972
1.416
2.29
3.197
4.635
5.363
6.782
8.8
7.51
6.89
5.46
4.63
3.59
3.32
2.77
2.67
2.13
1.84
1.64
1.35
1.11
1.03
0.892
0.739
0.594
0.53
0.434
0.35
0.301
0.283
16.5
11.8
9.15
7.5
6.35
4.86
4.34
3.93
3.59
2.85
2.36
1.92
1.62
1.35
1.2
1.1
0.905
0.755
0.61
0.51
0.425
0.385
0.35
................................. -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
SRF1260 - 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)
MAX.
3
4
3
4
3
4
PARALLEL
SERIES
Recommended Layout
6.00 ± 0.2
2.15
(.085)
2
1
4.50
(.204)
13.00
2.15
(.085)
2
1
4.50
(.204)
13.00
DIMENSIONS:
MM
(INCHES)
5.00 ± 0.3
(.236 ± .008)
5.00 ± 0.3
(.197 ± .012)
3
4
(.512)
3
4
(.512)
(.197 ± .012)
1
2
1.28
1.28
(.050)
DUAL INDUCTOR MODE
(.050)
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 |
|---|---|
| SRF1260-680M | 功能描述:耦合电感 68uH 0.117Ohms 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 |
| SRF1260-681M | 功能描述:耦合电感 680uH 1.212Ohms 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 |
| SRF1260-6R8M | 功能描述:耦合电感 6.8uH 0.0186Ohms 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 |
| SRF1260-6R8Y | 功能描述:耦合电感 6.8uH 0.0186ohms 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 |
| SRF1260-820M | 功能描述:耦合电感 82uH 0.15Ohms 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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