
Features
n Semi-shielded construction
n Miniature size
n Low profile, 1 mm
n Flat wire
n Low DCR
n RoHS compliant* and halogen free**
Applications
n DC/DC converters
n Notebook computers
n Digital video cameras
n HDDs
n Cell phones
n TV, LCD displays
SRN2510F Series – Semi-Shielded Power Inductors
* RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
**Bourns considers a product to be “halogen free” if (a) the Bromine (Br) content is 900 ppm or less; (b) the Chlorine (Cl) content is 900 ppm or less; and (c) the total Bromine (Br)
and Chlorine (Cl) content is 1500 ppm or less.
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.
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 Classication (HBM)................. N/A
Electrical Specications @ 25 °C
Bourns
Part Number
Inductance
@ 1 MHz / 1 V
SRF
(MHz)
Ref.
DCR
(Ω)
Typ.
DCR
(Ω)
Max.
I rms
(A)
Typ.
I sat
(A)
Typ.L (µH) Tol. %
SRN2510F-R24M 0.24 ± 20 % 180 0.018 0.022 5.5 9.5
SRN2510F-R33M 0.33 ± 20 % 150 0.023 0.028 5.3 8.0
SRN2510F-R47M 0.47 ± 20 % 120 0.027 0.035 4.6 7.0
SRN2510F-R68M 0.68 ± 20 % 90 0.032 0.040 4.2 5.5
SRN2510F-1R0M 1.00 ± 20 % 60 0.044 0.053 3.5 4.9
SRN2510F-1R5M 1.50 ± 20 % 55 0.062 0.074 3.2 3.8
SRN2510F-2R2M 2.20 ± 20 % 40 0.078 0.093 2.6 2.8
SRN2510F-3R3M 3.30 ± 30 % 30 0.125 0.150 2.0 2.1
SRN2510F-4R7M 4.70 ± 20 % 20 0.180 0.216 1.7 1.7
General Specications
Core ....................................... Metal alloy
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating .................Magnetic epoxy resin
Packaging ....... 2000 pcs. per 7-inch reel
Materials
Schematic
How to Order
SRN2510F - R33M
Model
Value Code (see table)
Product Dimensions
2.9
(.114)
2.4
(.094)
1.0
(.039)
DIMENSIONS:
MM
(INCHES)
DIMENSIONS:
MM
(INCHES)
Recommended Layout
*RoHS COMPLIANT
*RoHS COMPLIANT
& AEC APPROVED
*RoHS COMPLIANT, **HALOGEN FREE
& AEC COMPLIANT
*RoHS COMPLIANT and
**HALOGEN FREE
*RoHS and
AEC-Q200 COMPLIANT
LEAD FREE
*RoHS COMPLIANT
VERSIONS
AVAILABLE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
2.5 +0.2/-0.1
(.098 +.008./-.004)
1.0
(.039)
MAX.
1.0
(.039)
REF.
0.75
(.030)
REF.
0.75
(.030)
REF.
2.0 +0.2/-0.1
(.079 +.008/-.004)
Asia-Pacic:
Tel: +886-2 2562-4117
Email: asiacus@bourns.com
Europe:
Tel: +36 88 520 390
Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500
Email: americus@bourns.com
www.bourns.com