1.5
(.059)
4.5 ± 0.3
(.177 ± .012)
MAX.
MAX.
MAX.
TYP.
4.5
(.177)
4.0 ± 0.3
(.157 ± .012)
3.2 ± 0.3
(.126 ± .012)
1.5
(.059)
1.8
(.071)
1.8
(.071)
Features
■ Formerly model
■ Available in E12 series
■ Low profi le of only 3.2 mm
■ Low inductance values
■ RoHS compliant*
Applications
■ Input/output of DC/DC converters
■ Power supplies for:
• Portable communication equipment
• Camcorders
• LCD TVs
• Car radios
PM43 Series - SMD Power Inductor
*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 I rms I sat
Q Frequency Min. RDC
Max. Typ.
Bourns Part No. (µH) Tol. % Ref. (MHz) (MHz) (Ω) (A) (A)
PM43-1R0M-RC 1.0 ± 20 28 7.96 150 0.033 3.80 5.50
PM43-1R4M-RC 1.4 ± 20 28 7.96 110 0.038 3.30 5.10
PM43-1R8M-RC 1.8 ± 20 28 7.96 90 0.042 2.91 4.40
PM43-2R2M-RC 2.2 ± 20 28 7.96 80 0.047 2.60 3.90
PM43-2R7M-RC 2.7 ± 20 28 7.96 75 0.052 2.43 3.50
PM43-3R3M-RC 3.3 ± 20 28 7.96 65 0.058 2.15 3.00
PM43-3R9M-RC 3.9 ± 20 28 7.96 55 0.076 1.98 2.70
PM43-4R7M-RC 4.7 ± 20 28 7.96 50 0.094 1.70 2.60
PM43-5R6M-RC 5.6 ± 20 28 7.96 45 0.10 1.60 2.40
PM43-6R8M-RC 6.8 ± 20 28 7.96 40 0.12 1.41 2.10
PM43-8R2M-RC 8.2 ± 20 28 7.96 36 0.13 1.26 1.90
PM43-100M-RC 10 ± 20 28 2.52 33 0.18 1.15 1.70
PM43-120M-RC 12 ± 20 28 2.52 30 0.21 1.05 1.60
PM43-150M-RC 15 ± 20 28 2.52 28 0.24 0.92 1.40
PM43-180M-RC 18 ± 20 25 2.52 23 0.34 0.84 1.30
PM43-220M-RC 22 ± 20 25 2.52 20 0.38 0.76 1.20
PM43-270K-RC 27 ± 10 23 2.52 17 0.52 0.71 1.00
PM43-330K-RC 33 ± 10 23 2.52 15 0.54 0.64 0.99
PM43-390K-RC 39 ± 10 20 2.52 14 0.59 0.59 0.92
PM43-470K-RC 47 ± 10 20 2.52 13 0.84 0.54 0.78
PM43-560K-RC 56 ± 10 20 2.52 12 0.94 0.50 0.74
PM43-680K-RC 68 ± 10 20 2.52 11 1.12 0.46 0.68
Typical Part Marking Electrical Schematic
100
