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参数资料
型号： SRF0703-471M
厂商： BOURNS INC
元件分类： 通用定值电感
英文描述： 2 ELEMENT, 470 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
封装： ROHS COMPLIANT
文件页数： 1/2页
文件大小： 361K
代理商： SRF0703-471M
3
DUAL INDUCTOR MODE
4
2
1
0.4
(.016)
1.0
(.039)
1.73
(.068)
7.9
(.311)
2
1
3
4
7.6
(.299)
MAX.
7.6
(.299)
MAX.
TYP.
2.9
(.114)
1.0
(.039)
3.4 ± 0.2
(.134 ± .008)
2.7
(.106)
TYP.
Features
■ Multiple applications: parallel, series,
dual-inductor and transformer
■ Magnetically shielded, low radiation
■ Inductance range: 0.33 to 4000
μH
■ Rated current up to 6.19 A
■ RoHS compliant*
Applications
■ SEPIC topology
■ 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
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specications are subject to change without notice.
Customers should verify actual device performance in their specic applications.
Test Voltage ..................................0.25 V
Hi-pot ................500 Vrms, 3 mA, 3 sec.
Reow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................. -40 °C to +105 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
...............................+260 °C for 10 sec.
Electrical Specications @ 25 °C
Bourns Part No.
Parallel Rating
Series Rating
Inductance
@ 100 KHz
L (
μH) ±20 %
DCR
(
Ω)
Max.
Irms
(A)
Isat
(A)
Inductance
@ 100 KHz
L (
μH) ±20 %
DCR
(
Ω)
Max.
Irms
(A)
Isat
(A)
SRF0703-R33M
0.33
0.0092
6.19
14.4
1.32
0.04
3.1
7.18
SRF0703-1R0M
1.0
0.0135
5.25
7.97
4
0.072
2.63
3.99
SRF0703-1R5M
1.5
0.0191
4.64
6.52
6
0.11
2.32
3.26
SRF0703-2R2M
2.2
0.0217
4.11
5.52
8.8
0.132
2.06
2.76
SRF0703-3R3M
3.3
0.0316
3.31
4.22
13.2
0.182
1.66
2.11
SRF0703-4R7M
4.7
0.0406
3.09
3.78
18.8
0.242
1.55
1.89
SRF0703-6R8M
6.8
0.0658
2.55
3.12
27.2
0.285
1.28
1.56
SRF0703-8R2M
8.2
0.0772
2.19
2.66
32.8
0.306
1.1
1.33
SRF0703-100M
10
0.0826
2.08
2.47
40
0.342
1.04
1.24
SRF0703-150M
15
0.119
1.83
2.05
60
0.47
0.916
1.03
SRF0703-220M
22
0.15
1.62
1.67
88
0.62
0.811
0.83
SRF0703-330M
33
0.24
1.31
1.35
132
1.0
0.653
0.68
SRF0703-470M
47
0.338
1.08
1.14
188
1.28
0.542
0.57
SRF0703-680M
68
0.507
0.89
0.96
272
1.92
0.444
0.48
SRF0703-820M
82
0.61
0.86
0.89
328
2.28
0.43
0.44
SRF0703-101M
100
0.715
0.73
0.79
400
2.64
0.367
0.39
SRF0703-151M
150
0.986
0.58
0.65
600
3.63
0.289
0.32
SRF0703-221M
220
1.48
0.52
0.53
880
5.5
0.26
0.27
SRF0703-331M
330
2.16
0.42
0.44
1320
8.25
0.211
0.22
SRF0703-471M
470
2.82
0.35
0.37
1880
11.22
0.173
0.18
SRF0703-681M
680
3.96
0.29
0.31
2720
16.17
0.143
0.15
SRF0703-821M
820
5.01
0.27
0.28
3280
20.07
0.134
0.14
SRF0703-102M
1000
6.11
0.26
0.25
4000
24.42
0.128
0.13
General Specications
Core..............................................Ferrite
Wire ........................... Enameled copper
Base ................................................ LCP
Adhesive.............................. Epoxy resin
Terminal ................................... Cu/Ni/Sn
Rated Current
........... Inductance drops 30 % at Isat
Temperature Rise .... 40 °C at rated Irms
Packaging.....1500 pcs. per 13-inch reel
Materials
Product Dimensions
Recommended Layout
Electrical Schematic
DIMENSIONS:
MM
(INCHES)
N2
2
4
N1
1
3
N2
2
4
N1
1
3
N2
2
4
N1
1
3
PARALLEL
SERIES
*RoHS
COMPLIANT
How to Order
SRF0703 - 100M
Model
Value Code (see table)
1
2
3
4
SERIES MODE
0.4
(.016)
1.0
(.039)
1.73
(.068)
7.9
(.311)
471
相关PDF资料
PDF描述
SRF0703-R33M 2 ELEMENT, 0.33 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
SRF1260-1R0M 2 ELEMENT, 1 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
SRF1260-1R5M 2 ELEMENT, 1.5 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD
SRMP49DL-14-70.0M-IN Crystal
SRMP49DL-14-70.0M-TR Crystal
相关代理商/技术参数
参数描述
SRF0703-4R7M 功能描述:耦合电感 4.7uH 0.0406Ohms 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
SRF0703-680M 功能描述:耦合电感 68uH 0.507Ohms 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
SRF0703-681M 功能描述:耦合电感 680uH 3.96Ohms 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
SRF0703-6R8M 功能描述:耦合电感 6.8uH 0.0658Ohms 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
SRF0703-820M 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
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