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oH
S
CO
LO & MP
LI
GE
AN
N
T
FR
EE
Features
**
HA
4R7
■ Shielded construction
■ Inductance range: 0.10 to 10 µH
■ Carbonyl powder core
■ AEC-Q200 qualified
■ High saturation current
■ RoHS compliant* and halogen free**
■ Low profile - 1.0 mm
SRP4012TA Series - Shielded Power Inductors
Electrical Specifications @ 25 °C
Inductance
@ 100 KHz
/1V
General Specifications
L (μH)
Tol.
(%)
Q (Min.)
@100 KHz
/1V
SRF
(MHz)
Typ.
DCR
(mΩ)
Typ.
DCR
(mΩ)
Max.
Irms
(A)
Isat
(A)
SRP4012TA-R10Y
0.10
±30
5
400
4.3
5.5
11.5
25
SRP4012TA-R22M
0.22
±20
5
200
6.6
8
8.5
20
SRP4012TA-R36M
0.36
±20
10
143
15.5
18
6.5
8.5
6.5
Bourns
Part Number
SRP4012TA-R47M
0.47
±20
10
120
18
20
6.0
SRP4012TA-R60M
0.60
±20
10
117
22.5
26
5.3
6
SRP4012TA-1R0M
1.0
±20
10
80
41
47
4.0
6
SRP4012TA-1R2M
1.2
±20
10
70
48
56
3.5
5
SRP4012TA-1R5M
1.5
±20
10
62
55
63.3
3.0
4
3.5
SRP4012TA-2R2M
2.2
±20
10
58
69.2
80
2.8
SRP4012TA-3R3M
3.3
±20
10
41
84
97
2.3
3
SRP4012TA-4R7M
4.7
±20
10
35
128
145
2.0
2.5
SRP4012TA-5R6M
5.6
±20
10
30
180
208
1.7
2.3
SRP4012TA-6R8M
6.8
±20
10
28
300
360
1.5
1.7
SRP4012TA-8R2M
8.2
±20
10
25
313
376
1.4
1.6
SRP4012TA-100M
10.0
±20
10
23
410
463
1.3
1.4
How to Order
Terminal
Type
Lead
Frame
Note 1: Circuit design, component, PCB trace size
and thickness, airflow and other cooling provisions all
affect the part temperature. Part temperature should be
verified in the end application.
Materials
Core .............................Carbonyl powder
Wire ............................Enameled copper
Terminal Finish ...................................Sn
Packaging ..... 4000 pcs. per 13-inch reel
Recommended Layout
SRP4012TA - 100M
Test Voltage ....................................1.0 V
Test Frequency ......................... 100 KHz
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature
................................-55 °C to +150 °C
Rated Current
............ Inductance drops 20 % at Isat
Temperature Rise .....40 °C at rated Irms
Moisture Sensitivity Level ..................... 1
ESD Classification (HBM)................. N/A
Product Dimensions
5.2
(.205)
Lead Frame Terminal
Model
Value Code (see table)
4.45 ± 0.25
(.175 ± .010)
2.4
(.094)
Electrical Schematic
2.2
(.087)
4.06 ± 0.25
(.042 ± .010)
2R2
1.0 ± 0.2
(.039 + .008)
0.76 ± 0.3
(.030 ± .012)
2.0 ± 0.2
(.079 ± .008)
Asia-Pacific: Tel: +886-2 2562-4117 • Email: asiacus@bourns.com
EMEA: Tel: +36 88 885 877 • Email: eurocus@bourns.com
The Americas: Tel: +1-951 781-5500 • Email: americus@bourns.com
www.bourns.com
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
DIMENSIONS:
MM
(INCHES)
* 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 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.
SRP4012TA Series - Shielded Power Inductors
L vs. I Charts
20
15
20
20
0
0
5
40
0.16
20
0.08
6
7
8
60
0.28
40
20
0
9
2
0
4
DC Current (A)
60
0.56
40
0.28
20
0
Inductance (μH)
0.84
Temperature Rise (°C)
Inductance (μH)
80
2
3
4
5
80
1.08
60
0.72
40
0.36
0
1
20
1
0
6
2
60
1.4
40
0.7
20
0.5
1.0
1.5
2.0
2.5
3.0
Inductance (μH)
2.1
Temperature Rise (°C)
Inductance (μH)
80
0
3.2
40
1.6
20
1.5
0
2.0
Inductance (μH)
60
1.0
0
1
40
1
20
1.0
1.5
2.0
2.5
5.4
60
3.6
40
1.8
20
1.0
DC Current (A)
7
100
2.00
80
1.50
60
1.00
40
20
0
1
2
3
4
5
SRP4012TA-5R6M
6.0
100
4.8
80
3.6
60
2.4
40
1.2
20
0
0
0.5
1.0
1.5
2.0
2.5
1.5
0
2.0
SRP4012TA-100M
10
100
80
0.5
6
SRP4012TA-2R2M
0
0
3.0
7.2
0
5
0
3.0
DC Current (A)
SRP4012TA-8R2M
0
4
0.50
100
60
0.5
3
2
DC Current (A)
2
9.0
Temperature Rise (°C)
Inductance (μH)
4.8
DC Current (A)
20
0
3
0
100
80
0.5
40
2.50
5
80
0
0
3.5
6.4
0
0.48
DC Current (A)
SRP4012TA-6R8M
0
4
4
DC Current (A)
8.0
3
SRP4012TA-4R7M
5
100
2.8
0
60
DC Current (A)
SRP4012TA-3R3M
3.5
80
0.72
0
0
DC Current (A)
100
0.96
0
100
1.44
0
12
DC Current (A)
SRP4012TA-1R5M
1.80
100
1.12
0
8
10
SRP4012TA-1R0M
DC Current (A)
SRP4012TA-1R2M
1.40
6
8
0.24
0
10
Inductance (μH)
5
80
0.42
Inductance (μH)
4
0.56
6
4
1.20
Inductance (μH)
3
100
0.14
0
2
2
0
14
DC Current (A)
Inductance (μH)
0.24
1
20
0
Temperature Rise (°C)
60
0.32
Inductance (μH)
0.40
Temperature Rise (°C)
Inductance (μH)
80
0
0.10
0.05
0
25
SRP4012TA-R60Y
0.70
100
0.48
0
20
40
0.15
DC Current (A)
SRP4012TA-R47M
0.56
15
10
DC Current (A)
60
0.20
0
Temperature Rise (°C)
10
0.05
Temperature Rise (°C)
5
0
0
25
40
Temperature Rise (°C)
0
0.10
0.25
Temperature Rise (°C)
0.024
60
Temperature Rise (°C)
40
0.15
80
0.30
Temperature Rise (°C)
0.048
80
Temperature Rise (°C)
60
100
0.35
0.20
100
8
80
6
60
4
40
2
20
0
0
0.5
1.0
1.5
Temperature Rise (°C)
0.072
SRP4012TA-R36M
0.40
100
Inductance (μH)
80
Inductance (μH)
0.096
SRP4012TA-R22M
0.25
Temperature Rise (°C)
Inductance (μH)
100
Temperature Rise (°C)
SRP4012TA-R10Y
0.120
0
2.0
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 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.
SRP4012TA Series - Shielded Power Inductors
Soldering Profile
PRE-HEATING
NATURAL
COOLING
SOLDERING
TP (260 °C / 10 seconds max.)
Temperature (°C)
tp (245 °C / 20~40 seconds)
217
200
60 ~ 150 seconds
150
60 ~ 180 seconds
480 seconds max.
25
Time (Seconds)
REFLOW TIMES: 3 MAX.
Packaging Specifications
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)
0.35 ± 0.05
(.014 ± .002)
1.5
DIA.
(.059)
5.0 ± 0.1
(.197 ± .004)
5.5 ± 0.1
(.217 ± .004)
QTY: 4000 PCS. PER REEL
Marking
USER DIRECTION OF FEED
Marking
8.0 ± 0.1
(.315 ± .004)
Marking
Marking
Marking
Marking
12.0 ± 0.3
(.472 ± .012)
3°
4.5 ± 0.1
(.177 ± .004)
1.5 ± 0.1
(.059 ± .004)
DIMENSIONS:
MM
(INCHES)
REV. 11/19
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.
Legal Disclaimer Notice
This legal disclaimer applies to purchasers and users of Bourns® products manufactured by or on behalf of Bourns, Inc. and
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Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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