Features
Applications
nꢀ DC/DCꢀconverters
nꢀ Notebookꢀcomputers
nꢀ Digitalꢀvideoꢀcameras
nꢀ HDDs
nꢀ Semi-shieldedꢀconstruction
nꢀ Miniatureꢀsize
nꢀ Lowꢀprofile,ꢀ1ꢀmm
nꢀ Flatꢀwire
nꢀ LowꢀDCR
nꢀ Cellꢀphones
nꢀ RoHSꢀcompliant*ꢀandꢀhalogenꢀfree**
nꢀ TV,ꢀLCDꢀdisplays
ꢀ
SRN2510FꢀSeriesꢀ–ꢀSemi-ShieldedꢀPowerꢀInductors
Electrical Specifications @ 25 °C
General Specifications
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Rated Current
............ Inductance drops 30 % at Isat
Temperature Rise.....40 °C at rated Irms
MSL......................................................1
ESD Classification (HBM)................. N/A
Inductance
@ 1 MHz / 1 V
I sat
(A)
Typ.
SRF
(MHz)
Ref.
DCR
(Ω)
Typ.
DCR
(Ω)
Max.
I rms
(A)
Typ.
Bourns
Part Number
L (µH)
0.24
0.33
0.47
0.68
1.00
1.50
2.20
3.30
4.70
Tol. %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 20 %
± 30 %
± 20 %
SRN2510F-R24M
SRN2510F-R33M
SRN2510F-R47M
SRN2510F-R68M
SRN2510F-1R0M
SRN2510F-1R5M
SRN2510F-2R2M
SRN2510F-3R3M
SRN2510F-4R7M
180
150
120
90
0.018
0.023
0.027
0.032
0.044
0.062
0.078
0.125
0.180
0.022
0.028
0.035
0.040
0.053
0.074
0.093
0.150
0.216
5.5
5.3
4.6
4.2
3.5
3.2
2.6
2.0
1.7
9.5
8.0
7.0
5.5
4.9
3.8
2.8
2.1
1.7
60
55
Materials
40
30
Core.......................................Metal alloy
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating.................Magnetic epoxy resin
Packaging....... 2000 pcs. per 7-inch reel
20
Product Dimensions
2.5ꢀꢀ+0.2/-0.1
(.098ꢀ+.008./-.004)
How to Order
SRN2510F - R33M
2.0ꢀ+0.2/-0.1ꢀ
(.079ꢀ+.008/-.004)
Model
Value Code (see table)
Schematic
MAX.
1.0
(.039)
ꢀ
MM
(INCHES)
0.75
(.030)
REF.
0.75
(.030)
REF.
DIMENSIONS:
ꢀ
1.0
(.039)
REF.
Recommended Layout
2.9
(.114)
Asia-Pacific:
Tel: +886-2 2562-4117
Email: asiacus@bourns.com
ꢀ
MM
(INCHES)
2.4
(.094)
DIMENSIONS:
ꢀ
Europe:
Tel: +36 88 520 390
Email: eurocus@bourns.com
1.0
(.039)
The Americas:
Tel: +1-951 781-5500
Email: americus@bourns.com
www.bourns.com
*ꢀꢀRoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
**Bournsꢀconsidersꢀaꢀproductꢀtoꢀbeꢀ“halogenꢀfree”ꢀifꢀ(a)ꢀtheꢀBromineꢀ(Br)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀ(b)ꢀtheꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ900ꢀppmꢀorꢀless;ꢀandꢀ(c)ꢀtheꢀtotalꢀBromineꢀ(Br)ꢀꢀ
ꢀꢀꢀꢀandꢀChlorineꢀ(Cl)ꢀcontentꢀisꢀ1500ꢀppmꢀorꢀless.
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.ꢀ
Theꢀproductsꢀdescribedꢀhereinꢀandꢀthisꢀdocumentꢀareꢀsubjectꢀtoꢀspecificꢀlegalꢀdisclaimersꢀasꢀsetꢀforthꢀonꢀtheꢀlastꢀpageꢀofꢀthisꢀdocument,ꢀandꢀatꢀwww.bourns.com/docs/legal/disclaimer.pdf.