• All specifications are subject to change without notice.
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
Inductors for Power Circuits
Wound/STD • magnetic shielded
LTF series
Type:
Issue date:
LTF5022
September 2011
(1/4)
001-02 / 20110925 / e531_ltf.fm
• All specifications are subject to change without notice.
Inductors for Power Circuits
Wound/STD • Magnetic Shielded
LTF Series LTF5022
FEATURES
• Miniature size
Mount area: 5.0×5.2mm
Low profile: 2.2mm max. height
• Large DC current products.
• Magnetic shielding type with ferrite core.
• Available for automatic mounting in tape and real package.
• The products do not contain lead and support lead-free solder-
ing.
APPLICATIONS
DVCs, DSCs, PDAs, HDDs, LCD displays, cellular phones, cord-
less telephones, etc.
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERN
ELECTRICAL CHARACTERISTICS
∗Rated current: Value obtained when current flows and the temperature has risen to 40°C or when DC current flows and the nominal value of inductance
has fallen by 30%, whichever is smaller.
• Operating temperature range: –40 to +105°C (Including self-temperature rise)
Conformity to RoHS Directive
220
5.0±0.1
5.2
2.2max.
Dimensions in mm
6.2
3.2
1.5
Dimensions in mm
Part No. Inductance
(µH)
Inductance
tolerance(%)
Test frequency
(kHz)
DC resistance(Ω) Rated current(A)∗
max. typ. Based on inductance
change max.
Based on temperature
rise typ.
LTF5022T-1R2N4R2-LC 1.2 ±30 100 0.025 0.021 4.3 4.2
LTF5022T-1R8N3R6-LC 1.8 ±30 100 0.032 0.028 3.6 3.8
LTF5022T-2R2N3R2-LC 2.2 ±30 100 0.040 0.036 3.2 3.4
LTF5022T-3R3N2R5-LC 3.3 ±30 100 0.060 0.054 2.5 2.7
LTF5022T-4R7N2R0-LC 4.7 ±30 100 0.081 0.073 2.0 2.3
LTF5022T-100M1R4-LC 10.0 ±20 100 0.16 0.14 1.4 1.7
LTF5022T-220MR98-LC 22.0 ±20 100 0.32 0.28 0.9 1.2
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and specific
bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
(2/4)
001-02 / 20110925 / e531_ltf.fm
• All specifications are subject to change without notice.
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. FREQUENCY CHARACTERISTICS
LTF5022T-1R2N4R2 LTF5022T-1R8N3R6
LTF5022T-2R2N3R2 LTF5022T-3R3N2R5
LTF5022T-4R7N2R0 LTF5022T-100M1R4
LTF5022T-220MR98
100 1000 10000 100000
0.5
0.7
0.9
1.1
1.5
1.3
Frequency(kHz)
Inductance(µH)
100 1000 10000 100000
0.5
1.0
1.5
2.5
2.0
Inductance(µH)
Frequency(kHz)
100 1000 10000 100000
1.0
1.5
2.0
2.5
3.0
Inductance(µH)
Frequency(kHz)
100 1000 10000 100000
1
2
3
5
4
Inductance(µH)
Frequency(kHz)
100 1000 10000 100000
2
4
6
8
Inductance(µH)
Frequency(kHz)
100 1000 10000 100000
5
15
10
20
30
25
Inductance(µH)
Frequency(kHz)
100 1000 10000 100000
0
60
40
20
80
100
Inductance(µH)
Frequency(kHz)
• TEST EQUIPMENT: YHP4194A IMPEDANCE/GAIN-PHASE ANALYZER
(3/4)
001-02 / 20110925 / e531_ltf.fm
• All specifications are subject to change without notice.
TYPICAL ELECTRICAL CHARACTERISTICS
IMPEDANCE vs. FREQUENCY CHARACTERISTICS
LTF5022T-1R2N4R2 LTF5022T-1R8N3R6
LTF5022T-2R2N3R2 LTF5022T-3R3N2R5
LTF5022T-4R7N2R0 LTF5022T-100M1R4
LTF5022T-220MR98
100 1000 10000 100000
1
10
100
1000
100000
10000
Frequency(kHz)
Impedance(Ω)
100 1000 10000 100000
1
10
100
1000
100000
10000
Impedance(Ω)
Frequency(kHz)
100 1000 10000 100000
1
10
100
1000
100000
10000
Impedance(Ω)
Frequency(kHz)
100 1000 10000 100000
1
10
100
1000
100000
10000
Impedance(Ω)
Frequency(kHz)
100 1000 10000 100000
1
10
100
1000
100000
10000
Impedance(Ω)
Frequency(kHz)
100 1000 10000 100000
1
10
100
1000
100000
10000
Impedance(Ω)
Frequency(kHz)
100 1000 10000 100000
1
10
100
1000
100000
10000
Impedance(Ω)
Frequency(kHz)
• TEST EQUIPMENT: YHP4194A IMPEDANCE/GAIN-PHASE ANALYZER
(4/4)
001-02 / 20110925 / e531_ltf.fm
• All specifications are subject to change without notice.
TYPICAL ELECTRICAL CHARACTERISTICS
INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS
LTF5022T-1R2N4R2 LTF5022T-1R8N3R6
LTF5022T-2R2N3R2 LTF5022T-3R3N2R5
LTF5022T-4R7N2R0 LTF5022T-100M1R4
LTF5022T-220MR98
0.5
0.7
0.9
1.1
1.3
1.5
012345
Inductance(µH)
DC current(A)
0.8
1.0
1.2
1.4
1.6
1.8
2.0
012345
Inductance(µH)
DC current(A)
1.2
1.4
1.6
1.8
2.0
2.2
2.4
01234
Inductance(µH)
DC current(A)
1.5
2.5
2.0
3.0
3.5
01234
Inductance(µH)
DC current(A)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0 1.5 20.5 1 2.5 3
Inductance(µH)
DC current(A)
4
6
8
10
12
0 0.5 1 1.5 2 2.5
Inductance(µH)
DC current(A)
5
10
15
20
25
30
0 0.5 1 1.5
Inductance(µH)
DC current(A)
• TEST EQUIPMENT: HP4285A LCR METER(f=100kHz) DC CONSTANT CURRENT SOURCE
