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.
20210512
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inductor_commercial_power_spm10040_en.fm
INDUCTORS
Inductors for power circuits
Wound metal
SPM series
SPM10040 type
FEATURES
Magnetic shield type wound inductor for power circuits using a metallic magnetic material.
Compared to ferrite wound type inductors, it is possible to achieve large current, low Rdc, and compactness.
Low inductance variance in high-temperature environments with good DC superimposition characteristics.
Metallic magnetic material is used, and the structure has an integrated molded coil, so hum noise is lower than with core adhesive coils.
Operating temperature range: –40 to +125 °C (including self-temperature rise)
APPLICATION
Note PCs, HDDs, servers, VRMs, compact power supply modules, other
PART NUMBER CONSTRUCTION
CHARACTERISTICS SPECIFICATION TABLE
Rated current: smaller value of either Isat or Itemp.
Isat: When based on the inductance change rate (20% below the initial value)
Itemp: When based on the temperature increase (temperature increase of 40°C by self heating)
・The cleaning agent can not be used for these products.
Measurement equipment
＊ Equivalent measurement equipment may be used.
SPM 10040 T - 1R0 M
Series name
L×W×H dimensions
Packaging style
Inductance
Inductance
tolerance
10.7×10.0×4.0 mm (µH)
L Measuring
frequency
DC resistance
Rated current
Part No.
Isat Itemp
(µH) Tole rance (kHz) (m )max. (m )typ. (A)typ. (A)typ.
1.0 ±20% 100 4.29 3.90 18.0 15.0 SPM10040T-1R0M
2.2 ±20% 100 7.48 6.80 12.2 12.0 SPM10040T-2R2M
3.3 ±20% 100 11.0 10.0 11.0 9.8 SPM10040T-3R3M
4.7 ±20% 100 15.6 14.1 8.0 7.9 SPM10040T-4R7M
6.8 ±20% 100 23.3 21.1 7.1 6.9 SPM10040T-6R8M
10.0 ±20% 100 29.4 26.7 6.0 5.8 SPM10040T-100M
22.0 ±20% 100 79.0 71.8 4.6 3.6 SPM10040T-220M
Measurement item Product No. Manufacturer
L 4284A Keysight Technologies
DC resistance AX-111A ADEX
Rated current Isat 4284A+42841A+42842C Keysight Technologies
REACH
SVHC-Free
Lead
Free
RoHS
Pb
Halogen
Free
Br
Cl
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.
20210512
(2/4)
inductor_commercial_power_spm10040_en.fm
INDUCTORS
SPM10040 type
L FREQUENCY CHARACTERISTICS
Measurement equipment
＊ Equivalent measurement equipment may be used.
INDUCTANCE VS. DC BIAS CHARACTERISTICS
Measurement equipment
＊ Equivalent measurement equipment may be used.
Product No. Manufacturer
4294A Keysight Technologies
0
1
10
100
0 1 10 100
Inductance
(
µH
)
Frequency
(
MHz
)
1R0M
2R2M
3R3M
4R7M
6R8M
100M
220M
Product No. Manufacturer
4284A+42841A+42842C Keysight Technologies
0.0
0
Inductance
(
µH
)
DC current (A)
5.0
10.0
15.0
20.0
25.0
5 101520
1R0M
2R2M
3R3M
4R7M
6R8M
100M
220M