Power Inductor. SRF1260 Datasheet

SRF1260 Inductor. Datasheet pdf. Equivalent

Part SRF1260
Description Dual-Winding Shielded Power Inductor
Feature *RoHS COMPLIANT Features Applications ■ Multiple applications: parallel, series, ■ SEPIC topolog.
Manufacture BOURNS
Datasheet
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*RoHS COMPLIANT Features Applications ■ Multiple applicat SRF1260 Datasheet
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SRF1260
Features
Applications
Multiple applications: parallel, series,
SEPIC topology
dual-inductor and transformer
Power supplies for:
Magnetically shielded, low radiation
- Communication equipment
220 Inductance range: 0.47 to 4000 μH
Rated current up to 17.6 A
- Notebooks, desktop computers,
servers
- LCDs, flat panels, backlights
RoHS compliant*
- Camcorders, HDTVs
SRF1260 Series - Dual-Winding Shielded Power Inductors
Parallel Rating
Series Rating
Inductance
DCR
Bourns
@ 100 KHz Tol. (Ω)
Part No.
L (μH) (%) Max.
SRF1260-R47Y 0.47 ±30 0.0053
SRF1260-1R0Y
1.0 ±30 0.0062
SRF1260-1R5Y
1.5 ±30 0.0073
SRF1260-2R2Y
2.2 ±30 0.0085
SRF1260-3R3Y
3.3 ±30 0.0101
SRF1260-4R7Y
4.7 ±30 0.0137
SRF1260-6R8Y
6.8 ±30 0.0186
SRF1260-8R2Y
8.2 ±30 0.0194
SRF1260-100M 10 ±20 0.0246
SRF1260-150M 15 ±20 0.0329
SRF1260-220M 22 ±20 0.0451
SRF1260-330M 33 ±20 0.0618
SRF1260-470M 47 ±20 0.086
SRF1260-680M 68 ±20 0.117
SRF1260-820M 82 ±20 0.15
SRF1260-101M 100 ±20 0.171
SRF1260-151M 150 ±20 0.254
SRF1260-221M 220 ±20 0.354
SRF1260-331M 330 ±20 0.574
SRF1260-471M 470 ±20 0.83
SRF1260-681M 680 ±20 1.212
SRF1260-821M 820 ±20 1.46
SRF1260-102M 1000 ±20 1.854
Irms
(A)
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
Inductance
DCR
Isat @ 100 KHz Tol. (Ω) Irms Isat
(A) L (μH) (%) Max. (A) (A)
33 1.88 ±30 0.0212 8.8 16.5
23.6 4 ±30 0.026 7.51 11.8
18.3 6 ±30 0.0302 6.89 9.15
15 8.8 ±30 0.0333 5.46 7.5
12.7 13.2 ±30 0.0372 4.63 6.35
9.71 18.8 ±30 0.0479 3.59 4.86
8.68 27.2 ±30 0.0672 3.32 4.34
7.86 32.8 ±30 0.0737 2.77 3.93
7.17 40 ±20 0.0934 2.67 3.59
5.69 60 ±20 0.125 2.13 2.85
4.71 88 ±20 0.172 1.84 2.36
3.84 132 ±20 0.256 1.64 1.92
3.24 188 ±20 0.34 1.35 1.62
2.7 272 ±20 0.444 1.11 1.35
2.39 328 ±20 0.568 1.03 1.2
2.2 400 ±20 0.656 0.892 1.1
1.81 600 ±20 0.972 0.739 0.905
1.51 880 ±20 1.416 0.594 0.755
1.22 1320 ±20 2.29 0.53 0.61
1.02 1880 ±20 3.197 0.434 0.51
0.85 2720 ±20 4.635 0.35 0.425
0.77 3280 ±20 5.363 0.301 0.385
0.7 4000 ±20 6.782 0.283 0.35
Electrical Schematic
1 21 2 1 2
N1 N2 N1 N2
N1 N2
Test Voltage ..................................0.25 V
Hi-pot ................500 Vrms, 3 mA, 3 sec.
.. 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.
Moisture Sensitivity Level ...................... 1
.................. N/A
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
DOT
INDICATES
TERMINAL 1
12.50
(.492)
MAX.
12.50
(.492)
MAX.
3 43
Recommended Layout
2.15
(.085)
1
4.50
(.177)
2
13.00
(.512)
PARALLEL
4
2.15
(.085)
1
3
4.50
(.177)
2
13.00
(.512)
SERIES
4
5.00 ± 0.3
(.197 ± .012)
6.00 ± 0.2
(.236 ± .008)
5.00 ± 0.3
4 3 (.197 ± .012)
4
1.28
(.050)
3
DUAL INDUCTOR MODE
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
4
1.28
(.050)
3
SERIES MODE
DIMENSIONS:
MM
(INCHES)
1 2 1.80 ± 0.2
(.071 ± .008)
*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. Users should verify actual device performance in their specific
applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the
last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.



SRF1260
SRFF10256004SSeerireises- D- uLainl-eWFinidltienrg Shielded Power Inductors
(1323.909) DIA.
2.0 ± 0.5
(.079 ± .020)
21.0 ± 0.8
(.827 ± .031)
13.0 ± 0.5
(.512 ± .020)
DIA.
30.4
(1.197)
13.0 ± 0.5
(.512 ± .020)
DIA.
50.0 -0
(1.97 -0)
26 +0
(1.024 +0)
16.0 4.0
END
(.630)
(.157)
24.0
(.945)
START
NO COMPONENT
200
(7.87)
COMPONENTS
USER DIRECTION OF FEED
QTY: 400 PCS. PER REEL
DIMENSIONS:
MM
(INCHES)
NO COMPONENT
400
(15.75)
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. 03/18
Specifications are subject to change without notice.
Users should verify actual device performance in their specific applications.
The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf.





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