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参数资料
| 型号： | SRF0703-6R8M |
| 厂商： | Bourns Inc. |
| 文件页数： | 1/2页 |
| 文件大小： | 0K |
| 描述： | IND SHIELDED POWER 6.8UH SMD |
| 标准包装： | 1 |
| 系列： | SRF0703 |
| 每一线圈的电感： | 6.8µH |
| 线圈数目： | 2 |
| 电流： | 1.28A |
| 容差： | ±20% |
| 电感 - 串行连接： | 27.2µH |
| 电感 - 并行连接： | 6.8µH |
| DC 电阻(DCR)： | 最大 142.5 毫欧 |
| 安装类型： | 表面贴装 |
| 尺寸/尺寸： | 0.299" L x 0.299" W（7.60mm x 7.60mm） |
| 高度： | 0.142"（3.60mm） |
| 包装： | 标准包装 |
| 其它名称： | SRF0703-6R8MDKR |
Features
■ Multiple applications: parallel, series,
Applications
■ SEPIC topology
471
■
■
■
■
dual-inductor and transformer
Magnetically shielded, low radiation
Inductance range: 0.33 to 4000 μ H
Rated current up to 6.19 A
RoHS compliant*
■ Power supplies for:
- Communication equipment
- Notebooks, desktop computers,
servers
- LCDs, ?at panels, backlights
- Camcorders, HDTVs, car audio
systems
SRF0703 Series - Dual-Winding Shielded Power Inductors
Electrical Speci?cations @ 25 °C
General Speci?cations
Bourns Part No.
Parallel Rating
Inductance DCR
@ 100 KHz ( Ω ) Irms
L ( μ H) ±20 % Max. (A)
Isat
(A)
Series Rating
Inductance DCR
@ 100 KHz ( Ω ) Irms
L ( μ H) ±20 % Max. (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
SRF0703-R33M
SRF0703-1R0M
SRF0703-1R5M
SRF0703-2R2M
SRF0703-3R3M
SRF0703-4R7M
SRF0703-6R8M
SRF0703-8R2M
SRF0703-100M
SRF0703-150M
SRF0703-220M
SRF0703-330M
SRF0703-470M
SRF0703-680M
SRF0703-820M
SRF0703-101M
SRF0703-151M
SRF0703-221M
SRF0703-331M
SRF0703-471M
SRF0703-681M
SRF0703-821M
SRF0703-102M
0.33
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
0.0092
0.0135
0.0191
0.0217
0.0316
0.0406
0.0658
0.0772
0.0826
0.119
0.15
0.24
0.338
0.507
0.61
0.715
0.986
1.48
2.16
2.82
3.96
5.01
6.11
6.19
5.25
4.64
4.11
3.31
3.09
2.55
2.19
2.08
1.83
1.62
1.31
1.08
0.89
0.86
0.73
0.58
0.52
0.42
0.35
0.29
0.27
0.26
14.4
7.97
6.52
5.52
4.22
3.78
3.12
2.66
2.47
2.05
1.67
1.35
1.14
0.96
0.89
0.79
0.65
0.53
0.44
0.37
0.31
0.28
0.25
1.32
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
0.04
0.072
0.11
0.132
0.182
0.242
0.285
0.306
0.342
0.47
0.62
1.0
1.28
1.92
2.28
2.64
3.63
5.5
8.25
11.22
16.17
20.07
24.42
3.1
2.63
2.32
2.06
1.66
1.55
1.28
1.1
1.04
0.916
0.811
0.653
0.542
0.444
0.43
0.367
0.289
0.26
0.211
0.173
0.143
0.134
0.128
7.18
3.99
3.26
2.76
2.11
1.89
1.56
1.33
1.24
1.03
0.83
0.68
0.57
0.48
0.44
0.39
0.32
0.27
0.22
0.18
0.15
0.14
0.13
................................. -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 ..... 1500 pcs. per 13-inch reel
How to Order
SRF0703 - 100M
Model
Value Code (see table)
Product Dimensions
Electrical Schematic
7.6
(.299)
MAX.
1
2
1
2
1
2
7.6
(.299)
N1
3
N2
4
N1
3
N2
4
N1
3
N2
4
MAX.
Recommended Layout
PARALLEL
SERIES
3.4 ± 0.2
(.134 ± .008)
0.4
(.016)
3.0
(.118)
0.4
(.016)
3.0
(.118)
2.9
(.114)
TYP.
2
1
2
1
1
2
7.9
(.311)
7.9
(.311)
2.7
(.106)
1.4
(.055)
3
4
1.4
(.055)
3
4
TYP.
4
3
DUAL INDUCTOR MODE SERIES MODE
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
1.0
(.039)
TYP.
Speci?cations are subject to change without notice.
Customers should verify actual device performance in their speci?c applications.
DIMENSIONS:
MM
(INCHES)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SRF0703-820M | 功能描述:耦合电感 82uH 0.61Ohms 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 |
| SRF0703-821M | 功能描述:耦合电感 820uH 5.01Ohms 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 |
| SRF0703-8R2M | 功能描述:耦合电感 8.2uH 0.0772Ohms 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 |
| SRF0703-R33M | 功能描述:耦合电感 0.33uH 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 |
| SRF0905-100Y | 功能描述:共模滤波器/扼流器 8uH 1.6A 200ohms 20-300MHz RoHS:否 制造商:TDK 电感: 阻抗:35 Ohms 容差: 最大直流电流:0.1 A 最大直流电阻:1.5 Ohms 自谐振频率: Q 最小值: 工作温度范围:- 25 C to + 85 C 端接类型:SMD/SMT 封装 / 箱体:0302 (0806 metric) 系列:TCE |
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