PM12639S

PL
IA
N
T
Features
M
■ Formerly
model
*R
oH
S
CO
■ Shielded construction
This series is currently available,
but not recommended for new
designs. The newer SRP1238A
series is recommended.
■ Unit height of 3.7 mm
■ Inductance range: 0.67 µH to 1.2 µH
■ Current up to 28 A
■ RoHS compliant*
PM12639S Series - Shielded Power Inductors
Electrical Specifications
Bourns Part No.
PM12639S-R67M-RC
PM12639S-1R2M-RC
General Specifications
Inductance
L (µH)
0.67
1.20
I rms
(A)
28.0
21.0
I sat
(A)
32
29
DCR
(mΩ) max.
2.5
4.5
SRF
(MHz) typ.
72
37
Soldering Profile
Temperature (°C)
275
<1> Maximum of 10 seconds
between +255 °C and +260 °C
225
260 °C peak
<1> 255 °C
Materials
220 °C
190°C
60 seconds
maximum
175
Ramp Down
5 °C/second
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 ....... 600 pcs. per 13-inch reel
150 °C
125
120-150 seconds
10 seconds minimum
75
Ramp Up
4 °C/second maximum
25
0
50
100
Test Voltage ..................................0.25 V
Test Frequency ......................... 100 KHz
Reflow Soldering ....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.
150
200
250
300
Product Dimensions
Time (Seconds)
3.7
(.146)
MAX.
13.9
MAX.
(0.547)
12.7 ± 0.3
(0.500 ± 0.012)
Electrical Schematic
13.5
(0.531)
MAX.
3.5
(.138)
MAX.
R68
12.7 ± 0.3
(0.500 ± 0.012)
3.0 ± 0.5
(0.118 ± 0.020)
2.5 ± 0.5
(0.098 ± 0.020)
Recommended Layout
4.5
(.177)
15.0
(0.591)
7.0
(.276)
DIMENSIONS:
*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.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
MM
(INCHES)
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
•
•
•
•
Portable communications equipment
Camcorders
LCD TVs
Car audio systems
PM12639S Series - Shielded Power Inductors
0.96
80
0.72
60
0.48
40
20
0.24
0
8
16
24
32
100
1.6
80
1.2
60
0.8
40
0.4
20
0
0
40
0
PM12639S-1R2M-RC
2.0
Inductance (µH)
Inductance (µH)
100
Temperature Rise (°C)
PM12639S-R67M-RC
1.2
0
5.8
DC Current (A)
11.6
17.4
23.2
Temperature Rise (°C)
L vs. I Charts
0
29
DC Current (A)
Packaging Specifications
2.0 ± 0.5
(.079 ± .020)
330.0
(13.00)
DIA.
THICKNESS
0.10
(.004)
MAX.
13.5 ± 0.5
(0.53 ± .020)
DIA.
21.0 ± 0.8
(.827 ± .031)
EMBOSSED
CAVITY
75.0 ± 2.0
(2.96 ± 0.08)
13.5 ± 0.5
DIA.
(.53 ± .020)
EMBOSSED
CARRIER
24.0 ± 0.5
(0.95 ± 0.020)
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.
13.9 ± 0.1
(0.547 ± 0.004)
4.5 ± 0.1
(0.177 ± 0.004)
1.75 ± 0.1
(.069 ± 0.004)
2.7 ± 0.3
(.106 ± 0.012)
13.5 ± 0.1
(0.520 ± 0.004)
0.15
DIA.
(0.0006)
DIMENSIONS:
16.0 ± 0.1
(0.629 ± 0.004)
MM
(INCHES)
REV. 06/14
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.
24.0 ± 0.3
(0.95 ± 0.012)