SRF1260_13 Datasheet, PDF (1/2 Pages) Bourns Electronic Solutions – Dual-Winding Shielded Power Inductors

*RoHS ^COMPLIANT
220
Features
■ Multiple applications: parallel, series,
dual-inductor and transformer
■ Magnetically shielded, low radiation
■ Inductance range: 0.47 to 4000 μH
■ Rated current up to 17.6 A
■ RoHS compliant*
Applications
■ SEPIC topology
■ Power supplies for:
- Communication equipment
- Notebooks, desktop computers,
servers
- LCDs, flat panels, backlights
- Camcorders, HDTVs, car audio
systems
SRF1260 Series - Dual-Winding Shielded Power Inductors
Electrical Specifications @ 25 °C
Parallel Rating
Bourns
Part No.
Inductance
@ 100 KHz Tol.
L (μH) (%)
DCR
(Ω)
Max.
Irms
(A)
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 0.0053 17.6
±30 0.0062 15
±30 0.0073 13.8
±30 0.0085 10.9
±30 0.0101 9.26
±30 0.0137 7.18
±30 0.0186 6.64
±30 0.0194 5.54
±20 0.0246 5.35
±20 0.0329 4.27
±20 0.0451 3.7
±20 0.0618 3.28
±20 0.086 2.71
±20 0.117 2.22
±20 0.15 2.05
±20 0.171 1.78
±20 0.254 1.48
±20 0.354 1.19
±20 0.574 1.06
±20 0.83 0.87
±20 1.212 0.7
±20 1.46 0.6
±20 1.854 0.57
Series Rating
Inductance
Isat @ 100 KHz Tol.
(A) L (μH) (%)
DCR
(Ω)
Max.
Irms
(A)
33
1.88 ±30 0.0212 8.8
23.6
4
±30 0.026 7.51
18.3
6
±30 0.0302 6.89
15
8.8 ±30 0.0333 5.46
12.7 13.2 ±30 0.0372 4.63
9.71 18.8 ±30 0.0479 3.59
8.68 27.2 ±30 0.0672 3.32
7.86 32.8 ±30 0.0737 2.77
7.17
40
±20 0.0934 2.67
5.69
60
±20 0.125 2.13
4.71
88
±20 0.172 1.84
3.84 132 ±20 0.256 1.64
3.24 188 ±20 0.34 1.35
2.7
272 ±20 0.444 1.11
2.39 328 ±20 0.568 1.03
2.2
400 ±20 0.656 0.892
1.81 600 ±20 0.972 0.739
1.51 880 ±20 1.416 0.594
1.22 1320 ±20 2.29 0.53
1.02 1880 ±20 3.197 0.434
0.85 2720 ±20 4.635 0.35
0.77 3280 ±20 5.363 0.301
0.7 4000 ±20 6.782 0.283
Isat
(A)
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
Electrical Schematic
1
2
1
2
1
2
General Specifications
Test Voltage ..................................0.25 V
Hi-pot .................500 Vrms, 3 mA, 3 sec.
Reflow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
................................. -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)
Product Dimensions
12.50
(.492)
MAX.
N1
N2
N1
N2
3
4
3
4
N1
N2
3
4
12.50
(.492)
MAX.
Recommended Layout
2.15
(.085)
4.50
(.204)
21
13.00
(.512)
PARALLEL
SERIES
2.15
(.085)
2
1
4.50
(.204)
DIMENSIONS:
MM
(INCHES)
13.00
(.512)
5.00 ± 0.3
(.197 ± .012)
6.00 ± 0.2
(.236 ± .008)
5.00 ± 0.3
(.197 ± .012)
12
34
34
1.28
1.28
(.050)
(.050)
4
DUAL INDUCTOR MODE
SERIES MODE
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
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.
3
1.80 ± 0.2
(.071 ± .008)