Document
Shielded Drum Core Inductor
PA4321 Series
Height: 5.1 Max Footprint: 10.5mm x 10.3mm Max Current Rating: up to 7.8A Inductance Range: 1.5uH to 470uH
PART NUMBER
PA4321.152NLT PA4321.332NLT PA4321.103NLT PA4321.333NLT PA4321.683NLT PA4321.104NLT PA4321.334NLT PA4321.474NLT
Inductance 100 KHz, 100 mV
(uH ±20%) 1.5 3.3 10 33 68 100 330 470
Electrical Specifications @ 25°C — Operating Temperature -40°C to 125°C
Rated Current
(A)
DCR (mOHMS MAX)
Saturation Current (Typical) A 10% Drop 20% Drop 30% Drop
7.80 5.1 5.44 7.80 10.5
6.32 10 4.62 6.32 7.38
3.84 23 3.08 3.84 4.32
2.14 68 1.66 2.14 2.42
1.60 176
1.28 1.60
1.70
1.20 224 0.99 1.20 1.36
0.69 748 0.57 0.69 0.76
0.52 886 0.43 0.52 0.62
Heating Current 20°C Rise 40°C Rise
7.41 10.80 5.04 7.22 3.99 4.79 2.12 2.80 1.39 1.88 1.09 1.48 0.57 0.82 0.50 0.72
NOTES:
1. Actual temperature of the component during system operation (ambient plus temperature rise) 3. The Rated Current the value shown is the DC current required to raise the component tempera-
must be within the standard operating range.
ture by the value shown. Take note that the component’s performance varies depending on the
2. The Saturation Current is the current at which the initial inductance drops approximately by the value shown at the stated ambient temperature. This current is determined by placing the
system condition. It is suggested that the component be tested at the system level, to verify the temperature rise of the component during system operation.
component in the specified ambient environment and applying a short duration pulse current 4. The inductance tolerance of the .152NLT and .332NLT is ± 30% all other values are ±20%.
(to eliminate self-heating effect) to the component.
PA4321.XXXNLT
Mechanical
Schematic
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Shielded Drum Core Inductor
PA4321 Series
TAPE & REEL INFO
WA
K0 P1
TYPE PA4321.XXXNLT
SURFACE MOUNTING TYPE, REEL/TAPE LIST
REEL SIZE (mm)
TAPE SIZE (mm)
A G P1 W K0
Ø330 24.5 16 24 5.4
QTY PCS/REEL
750
Typical Performance Curves
G
1.400 1.200 1.000 0.800 0.600 0.400 0.200 0.000
0
PA4321.152NLT
Inductance curve (uH)
The temperature △T(℃) 40.0
30.0
20.0
10.0
5 10 15 Current value (A)
0.0 20
3.00 2.50 2.00 1.50 1.00 0.50 0.00
0.00
PA4321.332NLT
Inductance curve (uH)
The temperature △T(℃) 30.00
25.00
20.00
15.00
10.00
5.00
0.00 2.00 4.00 6.00 8.00 10.00 12.00 14.00
Current value (A)
Inductance curve (uH) The temperature △T(℃)
Inductance curve (uH) The temperature △T(℃)
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The temperature △T(℃)
Shielded Drum Core Inductor
PA4321 Series
Current value (A)
Inductance curve (uH)
PA4321.103NLT
12.00
Inductance curve (uH)
The temperature △T(℃) 30.00
10.00
25.00
8.00 20.00
6.00 15.00
4.00 10.00
2.00 5.00
0.00 0.00 0.00 1.00 2.00 3.00 4.00 5.00 6.00 7.00 8.00
Current value (A)
Inductance curve (uH)
70.00 60.00 50.00 40.00 30.00 20.00 10.00
0.00 0.0
PA4321.683NLT
Inductance curve (uH)
The temperature △T(℃) 30.00
25.00
20.00
15.00
10.00
5.00
0.00 0.5 1.0 1.5 2.0 2.5 3.0 3.5
Current value (A)
Inductance curve (uH)
400.0
PA4321.334NLT
Inductance curve (uH)
The temperature △T(℃) 40.0
300.0
30.0
200.0
20.0
100.0
10.0
0.0 0.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
Current value (A)
The temperature △T(℃) Inductance curve (uH)
The temperature △T(℃) Inductance curve (uH)
The temperature △T(℃) Inductance curve (uH)
Current value (A)
35.0 30.0 25.0 20.0 15.0 10.0
5.0 0.0
0.000
PA4321.333NLT
Inductance curve (uH)
The temperature △T(℃) 30.0
25.0
20.0
15.0
10.0
5.0
1.000
2.000
3.000
Current value (A)
4.000
0.0 5.000
100.0 80.0 60.0 40.0 20.0 0.0 0.00
PA4321.104NLT
Inductance curve (uH)
The temperature △T(℃) 35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0 0.50 1.00 1.50 2.00 2.50
Current value (A)
500 400 300 200 100
0 0.0
PA4321.474NLT
Inductance curve (uH)
The temperature △T(℃) 40.0
30.0
20.0
10.0
0.0 0.2 0.4 0.6 0.8 1.0 1.2
Current value (A)
The temperature △T(℃)
The temperature △T(℃)
3 power.pulseelectronics.com P788.D (04/19) http://www.power.pulseelectronics.com/contact
Shielded Drum Core Inductor
PA4321 Series
For More Information
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