Features
Applications
■ Formerly
model
■ Input/output of DC/DC converters
■ Industrial electronics
■ Current rating up to 25.4 A
■ Toroidal core
■ RoHS compliant*
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
PM2120 Series - High Current SMD Power Inductors
Electrical Specifications
General Specifications
Test Voltage....................................0.1 V
Reflow Soldering .......245 °C; 5 seconds
Operating Temperature
Inductance 1 kHz
DCR
Max.
(mΩ)
Dim. A
Max.
................................-55 °C to +105 °C
(Temperature rise included)
Idc
(A)
Bourns Part No.
(μH)
Tol. (%)
mm/(in.)
Storage Temperature ...-55 °C to +105 °C
Resistance to Soldering Heat
PM2120-1R0M-RC
PM2120-1R2M-RC
PM2120-1R5M-RC
PM2120-1R8M-RC
PM2120-2R2M-RC
PM2120-2R7M-RC
PM2120-3R3M-RC
PM2120-3R9M-RC
PM2120-4R7M-RC
PM2120-5R6M-RC
PM2120-6R8M-RC
PM2120-8R2M-RC
PM2120-100K-RC
PM2120-120K-RC
PM2120-150K-RC
PM2120-180K-RC
PM2120-220K-RC
PM2120-270K-RC
PM2120-330K-RC
PM2120-390K-RC
PM2120-470K-RC
PM2120-560K-RC
PM2120-680K-RC
PM2120-820K-RC
PM2120-101K-RC
PM2120-121K-RC
PM2120-151K-RC
PM2120-181K-RC
PM2120-221K-RC
PM2120-271K-RC
PM2120-331K-RC
PM2120-391K-RC
PM2120-471K-RC
PM2120-561K-RC
PM2120-681K-RC
PM2120-821K-RC
PM2120-102K-RC
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
20
20
20
20
20
20
20
20
20
20
20
20
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
2
25.4
25.4
22.0
22.0
19.7
19.7
18.0
18.0
16.6
15.6
14.7
14.7
13.9
12.7
12.2
11.8
11.0
10.4
10.1
9.6
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.83 / (0.82)
20.07 / (0.79)
20.07 / (0.79)
19.56 / (0.77)
22.10 / (0.87)
22.10 / (0.87)
22.10 / (0.87)
22.10 / (0.87)
21.08 / (0.83)
21.08 / (0.83)
20.32 / (0.80)
19.81 / (0.78)
19.81 / (0.78)
21.59 / (0.85)
21.59 / (0.85)
21.59 / (0.85)
21.59 / (0.85)
20.83 / (0.82)
2
...........................260 °C, 10 sec. max.
3
Materials
3
3
Core.................................................. Iron
Wire ............................ Enameled copper
Adhesive...............................Epoxy resin
Terminal...................................Sn/Ag/Cu
Rated Current
3
4
4
5
......See “Inductance vs. Current” table
Temperature Rise
5
6
.............................. 30 °C typical at Idc
Packaging.......................77 pcs. per box
6
7
12
8
15
9
Product Dimensions
18
9
22
11
12
13
14
19
21
29
32
35
39
43
47
52
72
100
108
119
130
142
157
215
30.5 0.5
(1.200 .0200)
27
33
39
47
8.2
25.4
(1.000)
MAX.
56
7.9
68
6.7
82
6.4
100
120
150
180
220
270
330
390
470
560
680
820
1000
6.1
5.8
5.5
5.3
5.0
A
4.2
3.6
3.5
3.3
Recommended Pad Layout
3.2
3.0
22.9
(0.900)
2.9
2.5
17.8
(0.700)
Electrical Schematic
Typical Part Marking
5.1
(0.200)
PM2120-xxxx-RC
MM
DIMENSIONS:
(INCHES)
*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.
Customers should verify actual device performance in their specific applications.