Power Inductors - Shielded
www.ctparts.com
From 1.4 µH to 1,000 µH
CTMSS1278F
Series
Part
Number
CTMSS1278F-1R4M
CTMSS1278F-4R7M
CTMSS1278F-6R0M
CTMSS1278F-8R2M
CTMSS1278F-100M
CTMSS1278F-120M
CTMSS1278F-150M
CTMSS1278F-180M
CTMSS1278F-220M
CTMSS1278F-270M
CTMSS1278F-330M
CTMSS1278F-390M
CTMSS1278F-470M
CTMSS1278F-560M
CTMSS1278F-680M
CTMSS1278F-820M
CTMSS1278F-101M
CTMSS1278F-121K
CTMSS1278F-151K
CTMSS1278F-181K
CTMSS1278F-221K
CTMSS1278F-271K
CTMSS1278F-331K
CTMSS1278F-391K
CTMSS1278F-471K
CTMSS1278F-561K
CTMSS1278F-681K
CTMSS1278F-821K
CTMSS1278F-102K
Part numbers indicate inductance tolerance available.
M = ±20%, K = ±10%
Irms based on temp. rise 40°C Typ.
Isat based on
DL/L0A=20%
Max.
Inductance
SRF
DCR
at 100kHz
Typ.
Max.
(µH)
(MHz)
(mW)
1.4
80.0
11
4.7
30.0
20
6.0
21.0
24
8.2
20.0
28
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
17.0
15.0
13.0
12.0
11.0
10.0
9.5
8.5
7.5
7.0
6.5
5.0
4.5
4.3
4.1
4.0
3.4
3.1
2.9
2.7
2.2
2.0
1.7
1.4
1.3
30
32
38
43
50
60
80
85
100
110
120
150
180
230
270
300
400
530
600
680
880
960
1300
1500
1700
SPECIFICATIONS
Irms
(A)
10.00
6.20
6.00
5.90
5.70
5.20
4.90
4.50
4.00
3.60
3.10
3.00
2.90
2.70
2.60
2.30
2.00
1.90
1.80
1.70
1.60
1.20
1.00
1.00
0.90
0.80
0.75
0.70
0.68
Isat
(A)
18.00
11.00
10.00
8.50
8.00
7.50
6.80
6.30
5.70
5.00
4.70
4.60
3.80
3.50
3.20
3.00
2.60
2.50
2.20
2.00
1.80
1.60
1.50
1.30
1.20
1.10
1.00
0.95
0.85
Not Shown at Actual Size
CHARACTERISTICS
Description:
SMD (shielded) power inductor.
Applications:
LCD panels, PC notebooks, portable
communication equipment, DC/DC converters, etc.
Temp. Rise:
40°C Typ.
Operating Temperature:
-40°C to +125°C (temp. rise included)
Storage Temperature:
-40°C to +125°C
Inductance Tolerance:
±10%, ±20%
Testing:
Inductance tested at 100KHz, 0.1V.
Resistance to solder heat:
245°C, 10 seconds.
Packaging:
Tape & Reel.
Marking:
Parts are marked with inductance code.
Miscellaneous:
RoHS Compliant.
Magnetically shielded.
Additional Information:
Additional electrical & physical
information available upon request.
Samples available. See website for ordering information.
PHYSICAL DIMENSIONS
Size
mm
inches
A
12.0±0.3
0.472±0.012
B
12.0±0.3
0.472±0.12
Max.
8.0
0.315
C
Typ.
5.0
0.197
D
Typ.
5.7
0.224
E
A
C
D
100
B
PAD LAYOUT
Marking
Unit: mm
5.5Ref.
4.0Ref.
4.5Ref.
4.0Ref.
Copyright © 2012 by CT Magnetics, DBA Central Technologies. All rights reserved.
CT Magnetics reserves the right to make improvements or change specifications without notice
Manufacturer of Passive Components
800-684-5322 Inside US
949-453-1811 Outside US
E
REV 05.21.12
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