This series is currently available, but
not recommended for new designs.
Newer Model SRP7028A is
recommended.
PL
IA
N
T
Features
M
■ Formerly
model
*R
oH
S
CO
■ Shielded construction
■ Unit height of 3.2 mm
■ Inductance range: 0.1 µH to 1.5 µH
■ Current up to 32.5 A
■ RoHS compliant*
PM7232S Series - Shielded Power Inductors
Bourns Part No.
PM7232S-R10M-RC
PM7232S-R22M-RC
PM7232S-R47M-RC
PM7232S-R72M-RC
PM7232S-1R0M-RC
PM7232S-1R5M-RC
Inductance
L (μH)
0.10
0.22
0.47
0.72
1.0
1.5
I rms
(A)
32.5
23.0
17.5
15.5
11.0
9.0
I sat
(A)
42
36
26
20
15
14
DCR
(mΩ) max.
1.7
2.8
4.2
5.5
10.0
15.0
Materials
275
Temperature (°C)
Test Voltage ..................................0.25 V
Test Frequency ......................... 100 KHz
....230 ˚C; 50 sec max.
Operating Temperature
................................-55 °C to +150 °C
(Temperature rise included)
Storage Temperature .. -55 °C to +150 °C
Resistance to Soldering Heat
............................. +260 °C for 10 sec.
Moisture Sensitivity Level ..................... 1
................. N/A
Maximum of 10 seconds
between +255 °C and +260 °C
225
Core ..................................................Iron
Wire ............................Enameled copper
Terminal ........................................Cu/Sn
Rated Current ....Ind. drops 20 % at I sat
Temperature Rise ....40 ˚C at rated I rms
Packaging ..... 1000 pcs. per 13-inch reel
260 °C peak
255 °C
220 °C
190°C
60 seconds
maximum
175
Ramp Down
5 °C/second
150 °C
125
120 -150 seconds
10 seconds minimum
75
Product Dimensions
Ramp Up
4 °C/second maximum
0
50
100
150
200
250
300
Time (Seconds)
Electrical Schematic
3.2
(.126)
MAX.
3.0
(.118)
MAX.
7.8
MAX.
(0.307)
6.86 ± 0.5
(0.270 ± 0.020)
25
7.0
(0.276)
MAX.
R68
6.47 ± 0.5
(0.255 ± 0.020)
2.1 ± 0.5
(0.083 ± 0.020)
1.6 ± 0.5
(0.063 ± 0.020)
Recommended Layout
EMEA:
The Americas:
www.bourns.com
3.7
(.146)
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.
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
3.5
(.138)
8.7
(0.343)
DIMENSIONS:
MM
(INCHES)
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
PM7232S Series - Shielded Power Inductors
6
9
12 15 18 21 24 27 30 33 36 39
30
20
10
0
36
0
4
8
PM7232S-R72M-RC
80
0.72
60
0.48
40
0.24
20
0
4.6
9.2
13.8
Inductance (μH)
0.96
0
20
24
28
32
0.3
30
0.2
0.1
0
20
10
0
4
8
12
0
23
18.4
16
20
24
28
32
0
36
DC Current (A)
PM7232S-1R0M-RC
PM7232S-1R5M-RC
100
100
3.0
90
2.7
90
1.6
1.4
1.2
1.0
0.8
0.6
80
70
60
50
40
30
2.4
2.1
80
70
1.8
1.5
1.2
60
50
40
0.4
0.2
20
10
0.9
0.6
0.3
0
20
10
0
0
2
4
DC Current (A)
330.0
(13.00)
DIA.
16
80
70
60
50
40
1.8
2.0
100
Temperature Rise (°C)
Inductance (μH)
1.2
12
90
0.8
0.7
0.6
0.5
0.4
DC Current (A)
DC Current (A)
6
8
10
12
14
16
Inductance (μH)
3
0.12
0.08
0.04
0
Temperature Rise (°C)
0
20
10
0
42
0.24
0.20
0.16
100
Temperature Rise (°C)
0.04
0.02
0
80
70
60
50
40
PM7232S-R47M-RC
1.0
0.9
100
90
0
18
30
0
2
4
DC Current (A)
6
8
10
12
Temperature Rise (°C)
0.12
0.10
0.08
0.06
Inductance (μH)
80
70
60
50
40
30
0.14
PM7232S-R22M-RC
0.40
0.36
0.32
0.28
Inductance (μH)
100
90
Temperature Rise (°C)
PM7232S-R10M-RC
0.20
0.18
0.16
Temperature Rise (°C)
Inductance (μH)
L vs. I Charts
0
14
DC Current (A)
2.0 ± 0.5
(.079 ± .020)
THICKNESS
0.10
(.004)
MAX.
13.5 ± 0.5
(0.53 ± .020)
DIA.
EMBOSSED
CAVITY
75.0 ± 2.0
(2.96 ± 0.08)
13.5 ± 0.5
DIA.
(.53 ± .020)
EMBOSSED
CARRIER
16.0 ± 0.5
(0.63 ± 0.020)
DIMENSIONS:
0.35 ± 0.05
(0.014 ± 0.020)
4.0 ± 0.1
(0.157 ± 0.004)
2.0 ± 0.1
(0.079 ± 0.004)
1.5 ± 0.1
(0.059 ± 0.004)
DIA.
7.8 ± 0.1
(0.307 ± 0.004)
4.5 ± 0.1
(0.177 ± 0.004)
MM
(INCHES)
1.75 ± 0.1
(.069 ± 0.004)
1.55 ± 0.3
(.061 ± 0.012)
0.15
DIA.
(0.0006)
7.0 ± 0.1
(0.276 ± 0.004)
16.0 ± 0.3
(0.630 ± 0.012)
12.0 ± 0.1
(0.472 ± 0.004)
REV. 03/18
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
P[ZHɉSPH[LZJVSSLJ[P]LS`¸)V\YUZ¹
Unless otherwise expressly indicated in writing, Bourns® products and data sheets relating thereto are subject to change
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