Features
■ Semi-shielded construction
■ Inductance range: 0.47 to 22 µH
■ Rated current up to 3.2 A
■ AEC-Q200 qualified
■ RoHS compliant* and halogen free**
SRN4012TA Series - Semi-shielded Power Inductors
Operating Temperature
................................. -40 °C to +125 °C
(Temperature rise included)
Storage Temperature .. -40 °C to +125 °C
Temperature Rise.....40 °C at rated Irms
Rated Current
............ Inductance drops 30 % at Isat
Failure In Time (FIT)........24.7/109 hours
Mean Time Between Failures (MTBF)
..................................40.4 x 106 hours
Inductance
Q
SRF
DCR
(Ω)
@ 100 kHz / 1 V
(Min.)
(MHz)
Irms
(A)
Isat
(A)
Bourns Part No.
L (μH) Tol. % @ 100 kHz Typ.
±20 %
SRN4012TA-R47M
SRN4012TA-1R0M
SRN4012TA-1R5M
SRN4012TA-2R2M
SRN4012TA-3R3M
SRN4012TA-4R7M
SRN4012TA-5R6M
SRN4012TA-6R8M
SRN4012TA-100M
SRN4012TA-150M
SRN4012TA-220M
0.47
1.0
1.5
2.2
3.3
4.7
5.6
6.8
10
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
6
6
140
100
90
70
60
45
40
35
30
24
18
0.025
0.042
0.05
0.06
0.07
0.095
0.12
0.125
0.18
0.26
0.4
3.2
2.2
2
4
2.8
2.2
1.65
1.4
1.2
1.1
0.9
0.8
0.65
0.5
6
6
1.9
1.7
1.5
1.4
1.3
1.1
0.75
0.62
6
6
Materials
6
Core..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating.................Magnetic epoxy resin
Packaging..... 4500 pcs. per 13-inch reel
6
10
10
10
15
22
Product Dimensions
4.0 0.2
(.157 .008)
Preheating
Soldering
Natural Cooling
T
(260 °C, 10 Sec. Max.)
P
4.0 0.2
(.157 .008)
t
(245 °C, 20~40 Sec.)
p
217 °C
200 °C
150°C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
REF.
1.2
REF.
1.2
25
(.047)
(.047)
Time (Seconds)
1.6
(.063)
REF.
1.2
(.047)
MAX.
Electrical Schematic
How to Order
SRN4012TA - 100M
Model
Value Code (see table)
Recommended Layout
4.2
REF.
(.165)
4.2
(.165)
REF.
WARNING Cancer and Reproductive Harm - www.P65Warnings.ca.gov
*
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
MM
(INCHES)
1.2
(.047)
DIMENSIONS:
REF.
the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf