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INDUCTORS
20160411 / inductor_commercial_power_spm4020-lr_en.fm
Please be sure to request delivery specifications that provide further details on the features and specifications of the products for proper and safe use.
Please note that the contents may change without any prior notice due to reasons such as upgrading.
SPM4020-LR Type
ELECTRICAL CHARACTERISTICS
CHARACTERISTICS SPECIFICATION TABLE
Rated current: smaller value of either Isat or Itemp.
Isat: When based on the inductance change rate (30% below the initial value)
Itemp: When based on the temperature increase (Temperature increase of 40°C by self heating)
○ Measurement equipment
＊ Equivalent measurement equipment may be used.
L L measuring
frequency
DC resistance
Rated current
Part No.
Isat Itemp
(μH) Tolerance (kHz) (m )max. (m )typ. (A)typ. (A)typ.
0.47 ±20% 100 11.8 10.7 14.1 8.7 SPM4020T-R47M-LR
1.0 ±20% 100 28.1 25.5 9 5.6 SPM4020T-1R0M-LR
1.5 ±20% 100 39.9 36.3 6.3 4.7 SPM4020T-1R5M-LR
2.2 ±20% 100 61.6 56.0 5.3 4.4 SPM4020T-2R2M-LR
3.3 ±20% 100 74.3 67.5 5 3.5 SPM4020T-3R3M-LR
4.7 ±20% 100 147.2 128.0 3.5 2.5 SPM4020T-4R7M-LR
6.8 ±20% 100 193.2 168.0 2.7 2.2 SPM4020T-6R8M-LR
10.0 ±20% 100 284.1 247.0 2.3 1.8 SPM4020T-100M-LR
Measurement item Product No. Manufacturer
L 4284A Keysight Technologies
DC resistance AX-111A ADEX
Rated current Isat 4284A+42841A+42842C Keysight Technologies
