SRF1260 Series Datasheet by Bourns Inc.

BOURNS' — Elemrical Specificakions @ 25 °c General Specifications Renew So‘denng ESD C‘assmcation (HEM) Vi W @T Q: h—a‘fi
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
SRF1260 Series - Dual-Winding Shielded Power Inductors
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
Bourns
Part No.
Parallel Rating Series Rating
Inductance
@ 100 KHz
L (μH)
Tol.
(%)
DCR
(Ω)
Max.
Irms
(A)
Isat
(A)
Inductance
@ 100 KHz
L (μH)
Tol.
(%)
DCR
(Ω)
Max.
Irms
(A)
Isat
(A)
SRF1260-R47Y 0.47 ±30 0.0053 17.6 33 1.88 ±30 0.0212 8.8 16.5
SRF1260-1R0Y 1.0 ±30 0.0062 15 23.6 4 ±30 0.026 7.51 11.8
SRF1260-1R5Y 1.5 ±30 0.0073 13.8 18.3 6 ±30 0.0302 6.89 9.15
SRF1260-2R2Y 2.2 ±30 0.0085 10.9 15 8.8 ±30 0.0333 5.46 7.5
SRF1260-3R3Y 3.3 ±30 0.0101 9.26 12.7 13.2 ±30 0.0372 4.63 6.35
SRF1260-4R7Y 4.7 ±30 0.0137 7.18 9.71 18.8 ±30 0.0479 3.59 4.86
SRF1260-6R8Y 6.8 ±30 0.0186 6.64 8.68 27.2 ±30 0.0672 3.32 4.34
SRF1260-8R2Y 8.2 ±30 0.0194 5.54 7.86 32.8 ±30 0.0737 2.77 3.93
SRF1260-100M 10 ±20 0.0246 5.35 7.17 40 ±20 0.0934 2.67 3.59
SRF1260-150M 15 ±20 0.0329 4.27 5.69 60 ±20 0.125 2.13 2.85
SRF1260-220M 22 ±20 0.0451 3.7 4.71 88 ±20 0.172 1.84 2.36
SRF1260-330M 33 ±20 0.0618 3.28 3.84 132 ±20 0.256 1.64 1.92
SRF1260-470M 47 ±20 0.086 2.71 3.24 188 ±20 0.34 1.35 1.62
SRF1260-680M 68 ±20 0.117 2.22 2.7 272 ±20 0.444 1.11 1.35
SRF1260-820M 82 ±20 0.15 2.05 2.39 328 ±20 0.568 1.03 1.2
SRF1260-101M 100 ±20 0.171 1.78 2.2 400 ±20 0.656 0.892 1.1
SRF1260-151M 150 ±20 0.254 1.48 1.81 600 ±20 0.972 0.739 0.905
SRF1260-221M 220 ±20 0.354 1.19 1.51 880 ±20 1.416 0.594 0.755
SRF1260-331M 330 ±20 0.574 1.06 1.22 1320 ±20 2.29 0.53 0.61
SRF1260-471M 470 ±20 0.83 0.87 1.02 1880 ±20 3.197 0.434 0.51
SRF1260-681M 680 ±20 1.212 0.7 0.85 2720 ±20 4.635 0.35 0.425
SRF1260-821M 820 ±20 1.46 0.6 0.77 3280 ±20 5.363 0.301 0.385
SRF1260-102M 1000 ±20 1.854 0.57 0.7 4000 ±20 6.782 0.283 0.35
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
Materials
Recommended Layout
Electrical Schematic
*RoHS COMPLIANT
How to Order
SRF1260 - 100M
Model
Value Code (see table)
220
DUAL INDUCTOR MODE SERIES MODE
2.15
(.085)
2.15
(.085)
1.28
(.050)
1.28
(.050)
4.50
(.177)
4.50
(.177)
13.00
(.512)
13.00
(.512)
2
3
1
4
12
43
Product Dimensions
DIMENSIONS: MM
(INCHES)
43
12
12.50
(.492) MAX.
DOT
INDICATES
TERMINAL 1 12.50
(.492)
MAX.
6.00 ± 0.2
(.236 ± .008)
1.80 ± 0.2
(.071 ± .008)
5.00 ± 0.3
(.197 ± .012)
5.00 ± 0.3
(.197 ± .012)
N2
2
4
N1
1
3
N2
2
4
N1
1
3
N2
2
4
N1
1
3
PARALLEL SERIES
*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.
WARNING Cancer and Reproductive Harm
www.P65Warnings.ca.gov
BOURNS' Packaging Specificalions TH‘CKNESS um fifl fl #7 a BOURNS' Asia-Pacific:
USER DIRECTION OF FEED
200
(7.87)
NO COMPONENT NO COMPONENTCOMPONENTS
400
(15.75)
START
4.0
(.157)
16.0
(.630)
END
SRF0504 Series - Line Filter
DIMENSIONS: MM
(INCHES)
QTY: 400 PCS. PER REEL
REV. 03/18
SRF1260 Series - Dual-Winding Shielded Power Inductors
26 +0
(1.024 +0)
30.4
(1.197)
2.0 ± 0.5
(.079 ± .020)
50.0 -0
(1.97 -0)
330
(12.99)DIA.
13.0 ± 0.5
(.512 ± .020) DIA.
13.0 ± 0.5
(.512 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
24.0
(.945)
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
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.
BOURNS'
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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