Inductors for Power Circuits Wound/STD * magnetic shielded LTF series Type: LTF5022 Issue date: September 2011 * 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. (1/4) Inductors for Power Circuits Wound/STD * Magnetic Shielded Conformity to RoHS Directive LTF Series LTF5022 APPLICATIONS DVCs, DSCs, PDAs, HDDs, LCD displays, cellular phones, cordless telephones, etc. 220 5.2 SHAPES AND DIMENSIONS 2.2max. 5.00.1 Dimensions in mm RECOMMENDED PC BOARD PATTERN 1.5 FEATURES * Miniature size Mount area: 5.0x5.2mm 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 soldering. 3.2 6.2 Dimensions in mm ELECTRICAL CHARACTERISTICS Part No. Inductance (H) Inductance tolerance(%) Test frequency (kHz) LTF5022T-1R2N4R2-LC LTF5022T-1R8N3R6-LC LTF5022T-2R2N3R2-LC LTF5022T-3R3N2R5-LC LTF5022T-4R7N2R0-LC LTF5022T-100M1R4-LC LTF5022T-220MR98-LC 1.2 1.8 2.2 3.3 4.7 10.0 22.0 30 30 30 30 30 20 20 100 100 100 100 100 100 100 DC resistance( ) max. typ. 0.025 0.032 0.040 0.060 0.081 0.16 0.32 0.021 0.028 0.036 0.054 0.073 0.14 0.28 Rated current(A) Based on inductance change max. 4.3 3.6 3.2 2.5 2.0 1.4 0.9 Based on temperature rise typ. 4.2 3.8 3.4 2.7 2.3 1.7 1.2 Rated current: Value obtained when current flows and the temperature has risen to 40C or when DC current flows and the nominal value of inductance has fallen by 30%, whichever is smaller. * Operating temperature range: -40 to +105C (Including self-temperature rise) * 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. * All specifications are subject to change without notice. 001-02 / 20110925 / e531_ltf.fm (2/4) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. FREQUENCY CHARACTERISTICS LTF5022T-1R2N4R2 LTF5022T-1R8N3R6 2.5 1.5 2.0 Inductance(H) Inductance(H) 1.3 1.1 0.9 1.5 1.0 0.7 0.5 100 1000 10000 Frequency(kHz) LTF5022T-2R2N3R2 3.0 5 2.5 4 2.0 100000 3 2 1.5 1.0 100 1000 10000 Frequency(kHz) LTF5022T-3R3N2R5 Inductance(H) Inductance(H) 0.5 100 100000 1000 10000 Frequency(kHz) 1 100 100000 LTF5022T-4R7N2R0 1000 10000 Frequency(kHz) 100000 LTF5022T-100M1R4 30 8 Inductance(H) Inductance(H) 25 6 4 20 15 10 2 100 1000 10000 Frequency(kHz) 100000 5 100 1000 10000 Frequency(kHz) 100000 LTF5022T-220MR98 100 Inductance(H) 80 60 40 20 0 100 1000 10000 Frequency(kHz) 100000 * TEST EQUIPMENT: YHP4194A IMPEDANCE/GAIN-PHASE ANALYZER * All specifications are subject to change without notice. 001-02 / 20110925 / e531_ltf.fm (3/4) TYPICAL ELECTRICAL CHARACTERISTICS IMPEDANCE vs. FREQUENCY CHARACTERISTICS LTF5022T-1R2N4R2 LTF5022T-1R8N3R6 10000 10000 Impedance() 100000 Impedance() 100000 1000 1000 100 100 10 10 1 100 1000 10000 Frequency(kHz) 1 100 100000 LTF5022T-2R2N3R2 10000 Impedance() 10000 Impedance() 100000 1000 1000 100 100 10 10 1000 10000 Frequency(kHz) 1 100 100000 LTF5022T-4R7N2R0 10000 10000 Impedance() 100000 Impedance() 1000 10000 Frequency(kHz) 100000 LTF5022T-100M1R4 100000 1000 1000 100 100 10 10 1 100 100000 LTF5022T-3R3N2R5 100000 1 100 1000 10000 Frequency(kHz) 1000 10000 Frequency(kHz) 100000 1000 10000 Frequency(kHz) 100000 1 100 1000 10000 Frequency(kHz) 100000 LTF5022T-220MR98 100000 Impedance() 10000 1000 100 10 1 100 * TEST EQUIPMENT: YHP4194A IMPEDANCE/GAIN-PHASE ANALYZER * All specifications are subject to change without notice. 001-02 / 20110925 / e531_ltf.fm (4/4) TYPICAL ELECTRICAL CHARACTERISTICS INDUCTANCE vs. DC SUPERPOSITION CHARACTERISTICS LTF5022T-1R2N4R2 LTF5022T-1R8N3R6 2.0 1.5 1.8 Inductance(H) Inductance(H) 1.3 1.1 0.9 0.7 1.6 1.4 1.2 1.0 0.8 0.5 0 1 2 3 DC current (A) 4 5 LTF5022T-2R2N3R2 0 1 2 3 DC current (A) 4 5 LTF5022T-3R3N2R5 3.5 2.4 2.2 Inductance(H) Inductance(H) 3.0 2.0 1.8 1.6 2.5 2.0 1.4 1.5 1.2 0 1 2 DC current (A) 3 4 LTF5022T-4R7N2R0 0 1 2 DC current (A) 3 4 LTF5022T-100M1R4 12 5.0 4.5 Inductance(H) Inductance(H) 10 4.0 3.5 3.0 8 6 2.5 2.0 4 0 0.5 1 1.5 2 DC current (A) 2.5 3 0 0.5 1 1.5 DC current (A) 2 2.5 LTF5022T-220MR98 30 Inductance(H) 25 20 15 10 5 0 0.5 1 1.5 DC current (A) * TEST EQUIPMENT: HP4285A LCR METER(f=100kHz) DC CONSTANT CURRENT SOURCE * All specifications are subject to change without notice. 001-02 / 20110925 / e531_ltf.fm