0.9
(.035)
3.0 ± 0.3
(.118 ± .012)
MAX.
MAX.
MAX.
TYP.
3.0
(.118)
2.8 ± 0.3
(.110 ± .012)
2.5 ± 0.3
(.098 ± .012)
0.8
(.031)
1.4
(.055)
1.4
(.055)
Features
■ Formerly model
■ Available in E12 series
■ Low profi le of only 2.5 mm
■ Low inductance values
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
PM32 Series - 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.
General Specifi cations
Test Voltage .......................................1 V
Refl ow Soldering .. 230 °C, 50 sec. max.
Operating Temperature
................................-40 °C to +125 °C
(Temperature rise included)
Storage Temperature
................................-40 °C to +125 °C
Resistance to Soldering Heat
................................. 260 °C for 5 sec.
Materials
Core ...................................... Ferrite DR
Wire ............ Enameled copper wire 130
Terminal ....................................Ag/Ni/Sn
Rated Current
...................Ind. drop 10 % typ. at Isat
Temperature Rise ................. 40 °C max.
at rated Irms
Packaging .................. 1500 pcs. per reel
DIMENSIONS:
MM
(INCHES)
Product Dimensions
Electrical Specifi cations
Recommended Layout
Inductance 1 kHz Test SRF RDC I rms I sat
Q Frequency Min. Max.
Max. Typ.
Bourns Part No. (µH) Tol. % Ref. (MHz) (MHz) (Ω) (A) (A)
PM32-1R0M-RC 1.0 ± 20 20 7.96 125.0 0.06 2.100 2.700
PM32-1R4M-RC 1.4 ± 20 22 7.96 95.0 0.07 1.500 2.300
PM32-1R8M-RC 1.8 ± 20 23 7.96 85.0 0.08 1.800 2.000
PM32-2R2M-RC 2.2 ± 20 22 7.96 75.0 0.09 1.650 1.850
PM32-2R7M-RC 2.7 ± 20 22 7.96 72.0 0.10 1.500 1.700
PM32-3R3M-RC 3.3 ± 20 23 7.96 68.0 0.11 1.400 1.600
PM32-3R9M-RC 3.9 ± 20 24 7.96 50.0 0.12 1.300 1.500
PM32-4R7M-RC 4.7 ± 20 18 7.96 45.0 0.15 1.200 1.350
PM32-5R6M-RC 5.6 ± 20 18 7.96 42.0 0.16 1.100 1.300
PM32-6R8M-RC 6.8 ± 20 18 7.96 40.0 0.18 1.000 1.200
PM32-8R2M-RC 8.2 ± 20 16 7.96 35.0 0.20 0.900 1.050
PM32-100M-RC 10.0 ± 20 18 2.52 34.0 0.25 0.800 0.900
PM32-120M-RC 12.0 ± 20 15 2.52 33.0 0.28 0.750 0.850
PM32-150M-RC 15.0 ± 20 20 2.52 32.0 0.40 0.650 0.800
PM32-180M-RC 18.0 ± 20 18 2.52 28.0 0.46 0.580 0.750
PM32-220M-RC 22.0 ± 20 23 2.52 22.0 0.66 0.520 0.650
PM32-270M-RC 27.0 ± 20 23 2.52 20.0 0.75 0.480 0.550
PM32-330M-RC 33.0 ± 20 20 2.52 18.0 0.85 0.420 0.500
PM32-390M-RC 39.0 ± 20 24 2.52 18.0 1.12 0.380 0.450
PM32-470M-RC 47.0 ± 20 23 2.52 17.0 1.27 0.360 0.400
PM32-560M-RC 56.0 ± 20 18 2.52 16.0 1.45 0.340 0.350
PM32-680M-RC 68.0 ± 20 24 2.52 14.0 1.85 0.300 0.320
PM32-820M-RC 82.0 ± 20 24 2.52 12.0 2.10 0.280 0.300
PM32-101M-RC 100.0 ± 20 40 0.796 10.0 2.85 0.260 0.280
PM32-121M-RC 120.0 ± 20 40 0.796 10.0 3.20 0.220 0.250
PM32-151M-RC 150.0 ± 20 38 0.796 9.0 4.60 0.200 0.230
PM32-181M-RC 180.0 ± 20 45 0.796 8.5 5.00 0.185 0.210
PM32-221M-RC 220.0 ± 20 40 0.796 8.0 5.70 0.170 0.190
PM32-271M-RC 270.0 ± 20 45 0.796 7.0 8.60 0.150 0.170
PM32-331M-RC 330.0 ± 20 40 0.796 6.0 10.00 0.130 0.150
PM32-391M-RC 390.0 ± 20 40 0.796 5.5 10.80 0.120 0.140
PM32-471M-RC 470.0 ± 20 42 0.796 5.0 14.30 0.105 0.130
Typical Part Marking Electrical Schematic
100
