Features
n Semi-shielded construction
n Inductance range: 0.33 to 10 µH
n Rated current up to 2.1 A
n Low profile: 0.95 mm max.
n RoHS compliant* and halogen free**
SRN2009T Series - Semi-shielded Power Inductors
* RoHS Directive 2015/863, Mar 31, 2015 and Annex.
**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 in this document are subject to specific legal disclaimers 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 (Component)
................................. -40 °C to +125 °C
Temperature Rise .....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Moisture Sensitivity Level ..................... 1
ESD Classication (HBM)................. N/A
Electrical Specications @ 25 °C
Bourns Part No.
Inductance
@ 1 MHz / 0.1 V
Q
(Typ.)
@ 1 MHz
SRF
(MHz)
Typ.
DCR
(W)
±20 %
Irms
(A)
Typ.
Isat
(A)
Typ.L (mH) Tol. %
SRN2009T-R33M 0.33 ±20 30 400 0.028 2.1 2.1
SRN2009T-R47M 0.47 ±20 25 300 0.038 2 2
SRN2009T-R68M 0.68 ±20 22 250 0.055 1.5 1.5
SRN2009T-1R0M 1.0 ±20 20 200 0.065 1.4 1.4
SRN2009T-1R5M 1.5 ±20 18 170 0.11 1.2 1.2
SRN2009T-2R2M 2.2 ±20 16 150 0.16 0.9 0.9
SRN2009T-3R3M 3.3 ±20 15 120 0.25 0.85 0.85
SRN2009T-4R7M 4.7 ±20 15 90 0.4 0.75 0.75
SRN2009T-6R8M 6.8 ±20 15 80 0.55 0.65 0.65
SRN2009T-100M 10 ±20 15 60 1 0.55 0.6
General Specications
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating .................Magnetic epoxy resin
Packaging ....... 2000 pcs. per 7-inch reel
Materials
Product Dimensions
Recommended Layout
DIMENSIONS:
MM
(INCHES)
Electrical Schematic
How to Order
SRN2009T - R68M
Model
Value Code (see table)
Applications
n DC/DC converters
n Power supplies
n Wearable devices
n HDDs, SSDs
n Smartphones
n LCD displays
*RoHS COMPLIANT
LEAD FREE
*RoHS COMPLIANT
&
**HALOGEN FREE
LEAD FREE
VERSIONS ARE
RoHS COMPLIANT*
2.0 +0.2/-0.1
(.079 +.008/-.004)
1.6 +0.2/-0.1
(.063 +.008/-.004)
REF.
0.6
(.024)
REF.
0.8
(.031)
REF.
0.6
(.024)
MAX.
0.95
(.037)
1.7
(.067)
REF.
2.0 +0.2/-0.1
(.079 +.008/-.004)
1.6 +0.2/-0.1
(.063 +.008/-.004)
0.7
(.028)
REF.
REF.
0.6
(.024)
REF.
0.8
(.031)
REF.
0.6
(.024)
MAX.
0.95
(.037)
2.3
(.091)
REF.
DIMENSIONS:
MM
(INCHES)
