22.9
(0.900)
30.5 ± 0.5
(1.200 ± .0200)
5.1
(0.200)
17.8
(0.700)
25.4
(1.000)
MAX.
A
Features
■ Formerly model
■ Current rating up to 25.4 A
■ Toroidal core
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Industrial electronics
■ Power supplies for:
• Portable communications equipment
• Camcorders
• LCD TVs
• Car radios
PM2120 Series - High Current SMD Power Inductors
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
Specifi cations are subject to change without notice.
Customers should verify actual device performance in their specifi c applications.
Electrical Specifi cations General Specifi cations
Test Voltage ....................................0.1 V
Refl ow Soldering .......245 °C; 5 seconds
Operating Temperature
................................-55 °C to +105 °C
(Temperature rise included)
Storage Temperature ...-55 °C to +105 °C
Resistance to Soldering Heat
...........................260 °C, 10 sec. max.
Materials
Core .................................................. Iron
Wire ............................ Enameled copper
Adhesive ...............................Epoxy resin
Terminal ................................... Sn/Ag/Cu
Rated Current
......See “Inductance vs. Current” table
Temperature Rise
.............................. 30 °C typical at Idc
Packaging .......................77 pcs. per box
Bourns Part No.
Inductance 1 kHz
DCR
Max.
(mΩ)
Idc
(A)
Dim. A
Max.
mm/(in.)(μH) Tol. (%)
PM2120-1R0M-RC 1.0 ±20 2 25.4 20.83 / (0.82)
PM2120-1R2M-RC 1.2 ±20 2 25.4 20.83 / (0.82)
PM2120-1R5M-RC 1.5 ±20 3 22.0 20.83 / (0.82)
PM2120-1R8M-RC 1.8 ±20 3 22.0 20.83 / (0.82)
PM2120-2R2M-RC 2.2 ±20 3 19.7 20.83 / (0.82)
PM2120-2R7M-RC 2.7 ±20 3 19.7 20.83 / (0.82)
PM2120-3R3M-RC 3.3 ±20 4 18.0 20.83 / (0.82)
PM2120-3R9M-RC 3.9 ±20 4 18.0 20.83 / (0.82)
PM2120-4R7M-RC 4.7 ±20 5 16.6 20.83 / (0.82)
PM2120-5R6M-RC 5.6 ±20 5 15.6 20.83 / (0.82)
PM2120-6R8M-RC 6.8 ±20 6 14.7 20.83 / (0.82)
PM2120-8R2M-RC 8.2 ±20 6 14.7 20.83 / (0.82)
PM2120-100K-RC 10 ±10 7 13.9 20.83 / (0.82)
PM2120-120K-RC 12 ±10 8 12.7 20.83 / (0.82)
PM2120-150K-RC 15 ±10 9 12.2 20.83 / (0.82)
PM2120-180K-RC 18 ±10 9 11.8 20.83 / (0.82)
PM2120-220K-RC 22 ±10 11 11.0 20.83 / (0.82)
PM2120-270K-RC 27 ±10 12 10.4 20.83 / (0.82)
PM2120-330K-RC 33 ±10 13 10.1 20.83 / (0.82)
PM2120-390K-RC 39 ±10 14 9.6 20.83 / (0.82)
PM2120-470K-RC 47 ±10 19 8.2 20.07 / (0.79)
PM2120-560K-RC 56 ±10 21 7.9 20.07 / (0.79)
PM2120-680K-RC 68 ±10 29 6.7 19.56 / (0.77)
PM2120-820K-RC 82 ±10 32 6.4 22.10 / (0.87)
PM2120-101K-RC 100 ±10 35 6.1 22.10 / (0.87)
PM2120-121K-RC 120 ±10 39 5.8 22.10 / (0.87)
PM2120-151K-RC 150 ±10 43 5.5 22.10 / (0.87)
PM2120-181K-RC 180 ±10 47 5.3 21.08 / (0.83)
PM2120-221K-RC 220 ±10 52 5.0 21.08 / (0.83)
PM2120-271K-RC 270 ±10 72 4.2 20.32 / (0.80)
PM2120-331K-RC 330 ±10 100 3.6 19.81 / (0.78)
PM2120-391K-RC 390 ±10 108 3.5 19.81 / (0.78)
PM2120-471K-RC 470 ±10 119 3.3 21.59 / (0.85)
PM2120-561K-RC 560 ±10 130 3.2 21.59 / (0.85)
PM2120-681K-RC 680 ±10 142 3.0 21.59 / (0.85)
PM2120-821K-RC 820 ±10 157 2.9 21.59 / (0.85)
PM2120-102K-RC 1000 ±10 215 2.5 20.83 / (0.82)
Product Dimensions
Recommended Pad Layout
DIMENSIONS:
MM
(INCHES)
Electrical Schematic Typical Part Marking
PM2120-xxxx-RC
*RoHS COMPLIANT
