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001-05 / 20080701 / e531_spm10040.fm
• All specifications are subject to change without notice.
SMD Inductors(Coils)
For Power Line(Wound, Magnetic Shielded)
SPM Series SPM10040
FEATURES
• Low profile design
Mount area: 10.0mm square
Low profile: 4.0mm max. height
• High power handling capability:
Small copper loss
Using large saturation induction of Fe-based metals
• Wide operating temperature range due to high Curie tempera-
ture of around 550°C
• Available for automatic mounting in tape and reel package.
APPLICATIONS
• Note book computers, VRMs, 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 10%
Conformity to RoHS Directive
R56
30530
11.5max.
4.0max.
10±0.3
3.0
Dimensions in mm
Metal core
Terminal
3.53.5 6.3
3.2
3.2
Dimensions in mm
Part No.
Inductance(μH)
Inductance
tolerance
(%)
Test frequency
(kHz)
DC resistance
(mΩ)
Rated current(A)
∗
[at 0Adc]
Based on inductance
change
Based on inductance
change
Based on
temperature rise
SPM10040T-R36M170 0.4typ. 0.36 ±20 300 1.1±7% 17.0 25.0typ.
SPM10040T-R56M150 0.6typ. 0.56 ±20 300 1.7±7% 15.0 23.0typ.
• The cleaning agent can not be used for these parts.
• 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.
