Features
Applications
nꢀ Formerlyꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀmodel
nꢀ Currentꢀratingꢀupꢀtoꢀ25.4ꢀA
nꢀ Toroidalꢀcore
nꢀ Input/outputꢀofꢀDC/DCꢀconverters
nꢀ Industrialꢀelectronics
nꢀ Powerꢀsuppliesꢀfor:ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
•ꢀPortableꢀcommunicationsꢀequipmentꢀ
•ꢀCamcordersꢀ
nꢀ RoHSꢀcompliant*
•ꢀLCDꢀTVsꢀ
•ꢀCarꢀradios
ꢀ
ꢀꢀPM2120ꢀSeriesꢀ-ꢀHighꢀCurrentꢀSMDꢀPowerꢀInductors
Electrical Specifications
General Specifications
Test Voltage....................................0.1 V
Operating Temperature
................................-55 °C to +105 °C
(Temperature rise included)
Storage Temperature ...-55 °C to +105 °C
Moisture Sensitivity Level .......................1
ESD Classification (HBM)...................N/A
Inductance 1 kHz
DCR
Max.
(mΩ)
Dim. A
Max.
mm/(in.)
Idc
(A)
Bourns Part No.
(μH)
Tol. (%)
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
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)
3
Materials
3
3
Core.................................................. Iron
Wire ............................ Enameled copper
Adhesive...............................Epoxy resin
Terminal...................................Sn/Ag/Cu
Rated Current
......See “Inductance vs. Current” table
Temperature Rise
3
4
4
5
5
6
.............................. 30 °C typical at Idc
Packaging.......................77 pcs. per box
6
7
12
8
Product Dimensions
15
9
18
9
30.5 0.5
(1.200 .0200)
22
11
12
13
14
19
21
29
32
35
39
43
47
52
72
100
108
119
130
142
157
215
27
33
39
25.4
(1.000)
MAX.
47
8.2
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
A
5.0
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
(INCHES)
DIMENSIONS:
ꢀ
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.