*R
& oHS
AE C
C OM
AP P
PR LI
OV AN
ED T
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) ........24.7/10
9
hours
Mean Time Between Failures (MTBF)
.................................. 40.4 x 10
6
hours
Materials
Core ..............................................Ferrite
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Coating .................Magnetic epoxy resin
Packaging ..... 4500 pcs. per 13-inch reel
Product Dimensions
4.0 ± 0.2
(.157 ± .008)
Inductance
@ 100 kHz / 1 V
Bourns Part No.
SRN4012TA-R47M
SRN4012TA-1R0M
SRN4012TA-1R5M
SRN4012TA-2R2M
SRN4012TA-3R3M
SRN4012TA-4R7M
SRN4012TA-5R6M
SRN4012TA-6R8M
SRN4012TA-100M
SRN4012TA-150M
SRN4012TA-220M
L (μH)
0.47
1.0
1.5
2.2
3.3
4.7
5.6
6.8
10
15
22
Tol. %
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
Q
(Min.)
@ 100 kHz
6
6
6
6
6
6
6
6
10
10
10
SRF
(MHz)
Typ.
140
100
90
70
60
45
40
35
30
24
18
DCR
(Ω)
±20 %
0.025
0.042
0.05
0.06
0.07
0.095
0.12
0.125
0.18
0.26
0.4
Irms
(A)
3.2
2.2
2
1.9
1.7
1.5
1.4
1.3
1.1
0.75
0.62
Isat
(A)
4
2.8
2.2
1.65
1.4
1.2
1.1
0.9
0.8
0.65
0.5
Preheating
Soldering
Natural Cooling
TP (260 °C, 10 Sec. Max.)
Temperature (°C)
tp (245 °C, 20~40 Sec.)
4.0 ± 0.2
(.157 ± .008)
200 °C
150°C
217 °C
60~150 Sec.
60~180
Sec.
480 Sec. Max.
REF.
1.2
(.047)
REF.
1.6
(.063)
REF.
1.2
(.047)
1.2
(.047)
MAX.
25
Time (Seconds)
Electrical Schematic
How to Order
SRN4012TA - 100M
Model
Value Code (see table)
4.2
REF.
(.165)
Recommended Layout
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
the last page of this document, and at
www.bourns.com/docs/legal/disclaimer.pdf
4.2
(.165)
REF.
REF.
1.2
(.047)
DIMENSIONS:
MM
(INCHES)
SRF0504 Series - Line Filter
SRN4012TA Series - Semi-shielded Power Inductors
Inductance vs. Current
SRN4012TA-R47M
0.8
2.0
SRN4012TA-1R0M
2.5
SRN4012TA-1R5M
Inductance (μH)
Inductance (μH)
1.5
1.0
0.5
0
Inductance (μH)
0
0.6
0.4
0.2
0
0
1
2
3
4
5
DC Current(A)
2.0
1.5
1.0
0.5
0
0
1
2
3
4
5
1
2
DC Current(A)
3
4
DC Current(A)
SRN4012TA-2R2M
4
6.0
SRN4012TA-3R3M
8
SRN4012TA-4R7M
Inductance (μH)
2
Inductance (μH)
Inductance (μH)
3
4.5
3.0
6
4
2
0
1
0
0
0.7
1.4
DC Current(A)
2.1
2.8
1.5
0
0
0.5
1.0
DC Current(A)
1.5
2.0
0
0.5
1.0
DC Current(A)
1.5
2.0
SRN4012TA-5R6M
8
12
SRN4012TA-6R8M
20
SRN4012TA-100M
Inductance (μH)
Inductance (μH)
6
4
2
0
0
0.4
0.8
DC Current(A)
1.2
1.6
6
Inductance (μH)
0
0.4
0.8
DC Current(A)
1.2
1.6
9
15
10
5
0
0
0.3
0.6
DC Current(A)
0.9
1.2
3
0
SRN4012TA-150M
25
40
SRN4012TA-220M
Inductance (μH)
Inductance (μH)
20
15
10
5
0
0
0.2
0.4
0.6
0.8
1.0
DC Current(A)
30
20
10
0
0
0.2
0.4
0.6
0.8
1.0
DC Current(A)
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.
SRP4012TA Series - Shielded Power Inductors
L vs. I Charts
12
SRP4012TA-6R8M
80
70
16
SRP4012TA-8R2M
80
70
20
SRP4012TA-100M
80
70
Temperature Rise (°C)
Temperature Rise (°C)
Inductance (μH)
Inductance (μH)
50
6
40
30
3
20
10
0
0
0.475
0.950
1.425
0
1.900
50
8
40
30
4
20
10
0
0
0.45
0.90
1.35
0
1.80
Inductance (μH)
9
60
12
60
60
50
40
12
8
4
0
0
0.3
0.6
0.9
1.2
30
20
10
0
1.5
DC Current (A)
DC Current (A)
DC Current (A)
Electrical Schematic
330
DIA.
(12.99)
2.0 ± 0.5
(.079 ± .020)
13.5 ± 0.5
(.531 ± .020)
DIA.
100.0 ± 2.0
(3.937 ± .079)
13.5 ± 0.5
DIA.
(.531 ± .020)
12.0 ± 0.5
(.472 ± .020)
1.75
(.069)
4.0
(.157)
2.0
(.079)
1.5
DIA.
(.059)
0.35 ± 0.05
(.014 ± .002)
5.0 ± 0.1
(.197 ± .004)
5.5 ± 0.1
(.217 ± .004)
Marking
Marking
Marking
Marking
Marking
Marking
12.0 ± 0.3
(.472 ± .012)
8.0 ± 0.1
(.315 ± .004)
3°
1.5 ± 0.1
(.059 ± .004)
USER DIRECTION OF FEED
4.5 ± 0.1
(.177 ± .004)
DIMENSIONS:
MM
(INCHES)
QTY: 4000 PCS. PER REEL
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.
Temperature Rise (°C)
16
SRP4012TA Series - Shielded Power Inductors
Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA:
Tel: +36 88 520 390 • Email: eurocus@bourns.com
The Americas:
Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
REV. 09/17
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns
®
products manufactured by or on behalf of Bourns, Inc. and
Unless otherwise expressly indicated in writing, Bourns
®
products and data sheets relating thereto are subject to change
and complete before placing orders for Bourns
®
products.
The characteristics and parameters of a Bourns
®
product set forth in its data sheet are based on laboratory conditions, and
statements regarding the suitability of products for certain types of applications are based on Bourns’ knowledge of typical
requirements in generic applications. The characteristics and parameters of a Bourns
®
®
product with other components
the actual performance of the Bourns
®
®
®
product as meeting the requirements of a particular industry
®
of Bourns products are responsible for ensuring compliance with safety-related requirements and standards applicable to
®
Bourns
®
on a case-by-case basis, use of any Bourns
®
®
®
®
®
Bourns
®
®
standard products that are suitable for use in aircraft
®
standard
the user’s sole risk.
®
and the user for which such Bourns
®
®
custom products shall be negotiated on a case-by-case basis by Bourns
®
also apply to such Bourns custom products.
Users shall not sell, transfer, export or re-export any Bourns
®
Bourns
®
standard products shall
products and Bourns technology and technical data may not under any circumstance be
exported or re-exported to countries subject to international sanctions or embargoes. Bourns
®
products may not, without
®
bilingual versions are available at:
Web Page:
http://www.bourns.com/legal/disclaimers-terms-and-policies
PDF:
http://www.bourns.com/docs/Legal/disclaimer.pdf
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