www.murata-ps.com
2800 Series
Bobbin Wound Surface Mount Inductors
SELECTION GUIDE
Inductance Range
Inductance
DC Current
2
DC Resistance
(10kHz, 100mV
AC
) (10kHz, 100mV
AC
)
Order Code
Nom.
Min.-Max.
Max.
Max.
μH
μH
A
mΩ
28102C
28152C
28222C
28332C
28472C
28682C
28103C
28153C
28223C
28333C
28473C
28683C
28104C
28154C
28224C
28334C
28474C
28684C
28105C
28155C
28225C
28335C
1.0
1.5
2.2
3.3
4.7
6.8
10
15
22
33
47
68
100
150
220
330
470
680
1000
1500
2200
3300
0.68
1.12
1.56
2.84
3.68
5.52
7.84
12.0
17.7
26.2
39.0
55.4
80.8
121
178
266
383
548
940
1390
1960
3030
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.02
1.68
2.34
4.26
5.52
8.28
11.76
18.0
26.5
39.4
58.4
83.0
121.2
181
266
398
575
822
1150
1700
2400
3700
15.5
12.5
11.2
9.3
8.3
6.8
5.9
4.77
3.85
3.22
2.66
2.16
1.80
1.40
1.20
0.95
0.78
0.64
0.51
0.41
0.35
0.29
2.6
3.6
4.4
7.5
10
14
18
28
42
63
86
122
174
276
381
575
816
1170
1820
2620
3720
5760
Q@f MHz
Nom.
Q
45.6
43.9
36.9
34.6
33.3
31.2
31.1
31.0
43.5
42.8
31.5
33.9
21.4
20.9
18.0
30.8
31.7
20.4
21.0
19.8
15.8
12.8
SRF
Typical
MHz
104
72
58
42
37
29
22.5
17.8
14.4
11.8
10.4
8.6
7.7
6.7
5.8
5.0
4.3
4.2
3.8
3.4
3.3
3.2
F
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
0.8
FEATURES
RoHS compliant
Compact size, low profile
Surface mount design
Inductance range from 1.0μH to 3.3mH
Tape & reel packaging
UL 94V-0
J-STD-020C reflow
Custom solutions available
PRODUCT OVERVIEW
The 2800 series is a range of bobbin-wound,
surface-mount inductors designed for use in
switching power supply, and power line filter
circuits. The parts are suitable for any application
requiring a high saturation current in a miniature
surface-mount footprint.
ABSOLUTE MAXIMUM RATINGS
Operating temperature range
Storage temperature range
SOLDERING INFORMATION
1
Peak reflow solder temperature
Pin finish
-40°C to 125°C
-40°C to 150°C
245°C
Tin
PACKAGE SPECIFICATIONS
Mechanical Dimensions
Recommended Footprint Details
28102C
XYYWW
15.2
(0.598)
Max.
1.9
(0.075)
14.0 (0.551)
6.35
(0.25)
7.6
(0.299)
Max.
18.5 (0.728)
Max.
Specifications typical at T
A
= 25°C
1 For further information, please visit
www.murata-ps.com/rohs
2 The maximum DC current is the value at which the
inductance falls to 75% of its nominal value or when its
temperature rise reaches 40°C, whichever is sooner.
For full details go to
www.murata-ps.com/rohs
Package weight: 3.9g Typ.
All dimensions in mm (inches)
Dot signifies the innermost turn of the winding
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KMP_2800C_A05
Page 1 of 3
2800 Series
Bobbin Wound Surface Mount Inductors
INDUCTANCE Vs CURRENT
10000
3.3mH
1000
Inductance, L (μH)
100μH
100
10μH
10
1
1μH
0.1
0.1
1
10
100
Current, I
DC
(A)
TEMPERATURE Vs CURRENT
70
3.3mH
Temperature rise above ambient, t (ºC)
100μH
10μH
1μH
60
50
40
30
20
10
0
0
5
10
15
20
25
Current, I
DC
(A)
INDUCTANCE Vs FREQUENCY
100000
10000
3.3mH
Inductance, L (μH)
1000
100
100μH
10μH
10
1μH
1
0.1
10
100
1000
10000
Frequency, (kHz)
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KMP_2800C_A05
Page 2 of 3
2800 Series
Bobbin Wound Surface Mount Inductors
PACKAGE SPECIFICATIONS
Mechanical Dimensions
Ø331 (13.03) Max.
49.75 (1.96) Min.
13.50 (0.531)
12.80 (0.504)
Leader Section
400 (15.748) Min.
100 (3.937)
Min.
Ø
1.5 (0.059) Min.
37.8
(1.49)
Max.
†
Goods
Enclosure
Section
32.5 (1.28) ±0.2 (0.008)†
Trailer Section
160 (6.299) Min.
Ø20.20 (Ø0.795) Min.
All dimension in mm (inches)
† Measured at hub
Tape Outline Dimensions
1.75
(0.069)
1.50
(0.059)
4.0 (0.157)
0.5 (0.020)
14.2
(0.559)
XYYWW
32.0
(1.260)
28102C
24.0 (0.945)
Reel quantity: 350
All dimensions in mm (inches)
7.5 (0.295)
Direction of unreeling
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2013 Murata Power Solutions, Inc.
www.murata-ps.com/support
KMP_2800C_A05
Page 3 of 3
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