srf1260 Bourns, Inc., srf1260 Datasheet
srf1260
Manufacturer Part Number
srf1260
Description
Srf1260 Series - Dual-winding Shielded Power Inductors
Manufacturer
Bourns, Inc.
Datasheet
1.SRF1260.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
srf1260-101M
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Part Number:
srf1260-102M
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Part Number:
srf1260-150M
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Part Number:
srf1260-1R0Y
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
Part Number:
srf1260-1R5Y
Manufacturer:
BOURNS/伯恩斯
Quantity:
20 000
*RoHS Directive 2002/95/EC Jan 27, 2003 including Annex.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Bourns
Part No.
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
1
3
Electrical Specifi cations @ 25 °C
Recommended Layout
Electrical Schematic
N1
(.098)
REF.
2.50
REF.
(.020)
DUAL INDUCTOR MODE
0.50
Inductance
@ 100 KHz
N2
L (μH)
1000
4
2
0.47
100
150
220
330
470
680
820
1.0
1.5
2.2
3.3
4.7
6.8
8.2
10
15
22
33
47
68
82
3
2
1
4
Parallel Rating
±30 0.0053 17.6
±30 0.0062
±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
±20 0.0618 3.28
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Tol.
(%)
1
3
N1
(.543)
(.152)
13.80
0.086
0.117
0.171
0.254
0.354
0.574
1.212
1.854
REF.
3.85
Max.
DCR
0.15
0.83
1.46
(Ω)
PARALLEL
REF.
Irms
2.71
2.22
2.05
1.78
1.48
1.19
1.06
0.87
0.57
3.7
0.7
0.6
(A)
15
Features
■
■
■
■
■
SRF1260 Series - Dual-Winding Shielded Power Inductors
N2
23.6
18.3
12.7
9.71
8.68
7.86
7.17
5.69
4.71
3.84
3.24
2.39
1.81
1.51
1.22
1.02
0.85
0.77
Isat
2.7
2.2
0.7
(A)
33
15
REF.
4
2
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*
(.098)
(.020)
2.50
REF.
0.50
Inductance
@ 100 KHz
L (μH)
1320
1880
2720
3280
4000
1.88
13.2
18.8
27.2
32.8
132
188
272
328
400
600
880
8.8
40
60
88
SERIES MODE
4
6
3
2
1
4
1
3
±30 0.0212
±30
±30 0.0302
±30 0.0333
±30 0.0372
±30 0.0479
±30 0.0672
±30 0.0737
±20 0.0934
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Tol.
(%)
N1
Series Rating
(.152)
(.543)
3.85
13.80
REF.
0.026
0.125
0.172
0.256
0.444
0.568
0.656
0.972
1.416
3.197
4.635
5.363
6.782
DCR
Max.
0.34
2.29
(Ω)
SERIES
REF.
0.892
0.739 0.905
0.594 0.755
0.434
0.301 0.385
0.283
Irms
7.51
6.89
5.46
4.63
3.59
3.32
2.77
2.67
2.13
1.84
1.64
1.35
1.11
1.03
0.53
0.35
8.8
(A)
N2
2
0.425
16.5
11.8
9.15
6.35
4.86
4.34
3.93
3.59
2.85
2.36
1.92
1.62
1.35
0.61
0.51
0.35
Isat
7.5
1.2
1.1
(A)
4
Applications
■
■
Test Voltage ..................................0.25 V
Hi-pot ................500 Vrms, 3 mA, 3 sec.
Refl ow Soldering .. 230 °C; 50 sec. max.
Operating Temperature
Storage Temperature .. -40 °C to +125 °C
Resistance to Solder Heat
Core ..............................................Ferrite
Wire ........................... Enameled copper
Base ................................................ LCP
Adhesive .............................. Epoxy resin
Terminal ................................... Cu/Ni/Sn
Rated Current
Temperature Rise .... 40 °C at rated Irms
Packaging .......400 pcs. per 13-inch reel
Model
Value Code (see table)
SEPIC topology
Power supplies for:
(.299 ± .008)
General Specifi cations
Materials
Product Dimensions
How to Order
................................. -40 °C to +105 °C
...............................+260 °C for 10 sec.
........... Inductance drops 30 % at Isat
7.60 ± 0.2
- Communication equipment
- Notebooks, desktop computers,
- LCDs, fl at panels, backlights
- Camcorders, HDTVs, car audio
servers
systems
DIMENSIONS:
(Temperature rise included)
(.492)
12.50
1
4
MAX.
2
3
SRF1260 - 100M
(INCHES)
(.071 ± .008)
(.197 ± .012)
1.80 ± 0.2
5.00 ± 0.3
MM
(.236 ± .008)
12.50
(.492)
MAX.
6.00 ± 0.2
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