SRF0703A-8R2M Datasheet, PDF (1/3 Pages) Bourns Electronic Solutions – Dual-Winding Shielded Power Inductors

*&RoAHESC-CQO2M00PLQIUAANLTIFIED
470
Features
■ Multiple configurations: parallel, series,
dual-inductor and transformer
■ Magnetically shielded, low radiation
■ Inductance range: 8.2 to 600 μH
■ Heating current up to 2.19 A
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
Applications
■ Automotive systems:
- Driver assistant
- Information
- Entertainment
- Lighting
■ DC/DC converters
■ Power supplies
■ SEPIC - DC/DC converters
SRF0703A Series - Dual-Winding Shielded Power Inductors
Electrical Specifications @ 25 °C
Bourns Part No.
SRF0703A-8R2M
SRF0703A-100M
SRF0703A-150M
SRF0703A-220M
SRF0703A-330M
SRF0703A-470M
SRF0703A-680M
SRF0703A-820M
SRF0703A-101M
SRF0703A-151M
SRF0703A-221M
SRF0703A-331M
Parallel Rating
Inductance
@ 100 kHz /
0.25 V
L (μH) ±20 %
DCR
(Ω)
Max.
Irms
(A)
8.2
0.0772 2.19
10
0.0826 2.08
15
0.119 1.83
22
0.15 1.62
33
0.24 1.31
47
0.338 1.08
68
0.507 0.89
82
0.61 0.86
100
0.715 0.73
150
0.986 0.58
220
1.48 0.52
330
2.16 0.42
Series Rating
Inductance
@ 100 kHz /
Isat
0.25 V
(A) L (μH) ±20 %
DCR
(Ω)
Max.
Irms
(A)
2.66
34.1
0.306 1.1
2.47
39.6
0.342 1.04
2.05
59.6
0.47 0.916
1.67
89.5
0.62 0.811
1.35 140.5
1.0 0.653
1.14 194.2
1.28 0.542
0.96 289.3
1.92 0.444
0.89 324.7
2.28 0.43
0.79 397.6
2.64 0.367
0.65 608.2
3.63 0.289
0.53 922.6
5.5 0.26
0.44
1335
8.25 0.211
Isat
(A)
1.33
1.24
1.03
0.83
0.68
0.57
0.48
0.44
0.39
0.32
0.27
0.22
Electrical Schematics
1
2
1
2
1
2
N1
N2
N1
N2
N1
N2
General Specifications
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Solder Heat
............................. +250 °C for 10 sec.
Temperature Rise
.......................40 °C typ. at rated Irms
Inductance Drop ........... 30 % typ. at Isat
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging.................. 1500 pcs. per reel
Product Dimensions
7.6
(.299)
MAX.
8R2
7.6
(.299)
MAX.
3
4
3
4
3
4
PARALLEL
SERIES
3.4 ± 0.2
(.134 ± .008)
Recommended Layout
0.4
(.016)
2
3.0
(.118)
1
0.4
(.016)
2
3.0
(.118)
1
7.9
(.311)
3
4
1.4
(.055)
DUAL INDUCTOR MODE
3
1.4
(.055)
7.9
(.311)
4
SERIES MODE
DIMENSIONS:
MM
(INCHES)
2.7
(.106)
TYP.
2.9
(.114)
TYP.
12
43
1.0
(.039)
TYP.
DIMENSIONS:
MM
(INCHES)
How to Order
SRF0703A - 100M
Model
Value Code (see table)
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
** Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br)
and Chlorine (Cl) content is 1500 ppm or less.Specifications 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 specific applications.