SMT Power Inductors
High Current Molded Power Inductor - PA4547 & PM4547 Series
Height: 1.5mm Max
Footprint: 3.8mm x 3.4mm Max
Current Rating: up to 7.0A
Inductance Range: 0.22uH to 10.0uH
High current, low DCR, and high efficiency
Minimized acoustic noise and minimized
leakage flux noise
Electrical Specifications @ 25°C - Operating Temperature -55°C to +125°C
A mΩ mΩ
0.22 7.00 14 17
5.50 23.3 28
5.00 28 33
4.50 34 42
3.60 41 50
3.40 64 77
3.20 82 98
2.50 170 205
1.90 220 264
1.70 265 318
1.50 290 348
1.30 390 468
1.20 435 522
1. Actual temperature of the component during system operation (ambient plus
case operating conditions. Circuit design, PCB trace size and thickness, airflow and
temperature rise) must be within the standard operating range.
other cooling provisions all affect the part temperature. Part temperature should be
2. The saturation current is the current at which the initial inductance drops approxi-
verified in the end application.
mately 30% at the stated ambient temperature. This current is determined by placing 5. Parts shown in bold are standard catalog parts and are available through sample
the compnent in the specified ambient environment and applying a short duration
stock and distribution. Parts in lighter font are available but are not necessarily held
pulse current (to eliminate self-heating effect) to the component.
in sample stock or distribution and lead times may be longer. Please contact Pulse
3. The rated current is the DC current required to raise the component temperature by
approximately 40˚C. Take note that the components’ performanc varies depending 6. The PA4547.XXXNLT and PM4547.XXXNLT are both AEC-Q200 qualified. The PM4547.
on the system condition. It is suggested that the component be tested at the system
XXXNLT part numbers are also IATF16949 certified. The mechanical dimensions are
level, to verify the temperature rise of the component during system operation.
100% tested in production but do not necessarily meet a product capability index
4. The part temperature (ambient+temp rise) should not exceed 125�C under worst
(Cpk) 1.33 and therefore the PM4547.XXXNLT may not strictly conform to PPAP.
P824. F (06/19) http://www.power.pulseelectronics.com/contact