Document 490-1
SMT Power Inductors - SER2800 Series
• Perfect for high current, low voltage power supply applications
• Extremely low DCR; Current handling to >100 Amps
• Higher inductance values than other SER series – up to 33 µH
Core material
Ferrite
Core and winding loss
See www.coilcraft.com/coreloss
Terminations
RoHS compliant tin-silver over copper. Other
terminations available at additional cost.
Weight
SER2814L – 27.5 g; SER2814H – 28.7 g;
SER2817H – 34.7 g
Ambient temperature
–40°C to +85°C with
Irms
current, +85°C
to +125°C with derated current
Storage temperature
Component: –40°C to +125°C.
Packaging: –40°C to +80°C
Resistance to soldering heat
Max three 40 second reflows at
+260°C, parts cooled to room temperature between cycles
Moisture Sensitivity Level (MSL)
1 (unlimited floor life at <30°C
/ 85% relative humidity)
Mean Time Between Failures (MTBF)
26,315,789 hours
Packaging
25 pieces per tray
PCB washing
Only pure water or alcohol recommended
DCR
2
Inductance
1
SRF
(mOhms)
±10%
typ
3
Part number
(µH)
nom max (MHz)
SER2814L-152KL
1.5
1.47 1.62
60
SER2814H-222KL
2.2
1.83 2.01
40
SER2814L-222KL
2.2
1.47 1.62
50
SER2817H-332KL
3.3
2.56 2.82
40
SER2814H-332KL
3.3
1.83 2.01
30
SER2814L-332KL
3.3
1.47 1.62
40
SER2817H-472KL
4.7
2.56 2.82
30
SER2814H-472KL
4.7
1.83 2.01
25
SER2814L-472KL
4.7
1.47 1.62
30
SER2817H-682KL
6.8
2.56 2.82
25
SER2814H-682KL
6.8
1.83 2.01
20
SER2814L-682KL
6.8
1.47 1.62
25
SER2817H-103KL
10
2.56 2.82
20
SER2814H-103KL
10
1.83 2.01
15
SER2814L-103KL
10
1.47 1.62
20
SER2817H-153KL
15
2.56 2.82
16
SER2814H-153KL
15
1.83 2.01
12
SER2814L-153KL
15
1.47 1.62
15
SER2817H-223KL
22
2.56 2.82
15
SER2814H-223KL
22
1.83 2.01
10
SER2814L-223KL
22
1.47 1.62
10
SER2817H-333KL
33
2.56 2.82
10
SER2814H-333KL
33
1.83 2.01
8
SER2814L-333KL
33
1.47 1.62
7
Isat
(A)
4
Irms
(A)
5
10% 20%
30% 20°C 40°C
drop drop
drop rise rise
100 >100 >100
20
30
100 >100 >100
20
30
82.0
84.0
84.8
20
30
91.0
92.5
93.6
20
28
62.0
66.9
68.4
20
30
48.0
54.0
57.0
20
30
59.0
61.2
62.4
20
28
42.0
48.0
50.1
20
30
33.0
36.9
39.0
20
30
42.0
45.0
45.9
20
28
30.0
34.5
36.2
20
30
22.0
26.0
27.8
20
30
28.0
31.2
32.1
20
28
18.0
21.5
23.4
20
30
13.0
16.2
17.6
20
30
18.0
21.2
21.9
20
28
11.5
14.0
15.2
20
30
7.5
9.8
11.0
20
30
12.0
14.0
15.0
20
28
7.0
8.6
9.6
20
30
4.5
6.0
6.8
20
30
7.0
8.7
9.6
20
28
4.0
5.1
5.9
20
30
2.0
2.6
3.3
20
30
1. Inductance measured at 500 kHz, 0.1 Vrms,
0 Adc on an Agilent/HP 4284A LCR meter or
equivalent.
2. DCR measured on a Keithley 580 micro-
ohmmeter or equivalent.
3. SRF measured using an Agilent/HP 8753D
network analyzer and a Coilcraft SMD-D
test fixture.
4. DC current at which the inductance drops
the specified amount from its value without
current.
5. Current that causes a the specified
temperature rise from 25°C ambient.
6. Electrical specifications at 25°C.
Refer to Doc 362 “Soldering Surface Mount
Components” before soldering.
Caution:
This series is not intended for use
in high vibration or mechanical
shock environments. We advise
using additional means of secur-
ing the part to the circuit board to
ensure its adhesion. Consider our
SER2900 series, which offers
nearly identical electrical charac-
teristics and incorporates a third
mount pad for better stability and
board adhesion.
Specifications subject to change without notice.
Please check our website for latest information. Document 490-1
Revised 08/22/08
© Coilcraft, Inc. 2008
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