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SPM series ? SPM4012Type
ELECTRICAL CHARACTERISTICS
CHARACTERISTICS SPECIFICATION TABLE
L
Measuring
frequency
DC resistance
(m : )
Rated current(A)  
max. typ.
Part No.
(μH)
Tolerance
(kHz)
max.
typ.
Idc1
Idc1
Idc2
0.47
±20%
100
25
23
6.0 8.0
5.6
SPM4012T-R47M
1.00
±20%
100
45
38
4.8
6.0
4.3
SPM4012T-1R0M
1.50
±20%
100
70
59
3.5 4.8
3.5
SPM4012T-1R5M
2.20
±20%
100
95
82
3.3
4.4
2.9
SPM4012T-2R2M
3.30
±20%
100
145 123
2.8 3.5
2.4
SPM4012T-3R3M
4.70
±20%
100
205
178
2.0
2.5
2.0
SPM4012T-4R7M
 
Rated current: smaller value of either Idc1 or Idc2.
Idc1: When based on the inductance change rate (30% below the initial value)
Idc2: When based on the temperature increase (Temperature increase of 40°C by self heating)
○ Measurement equipment
Measurement item
L
DC resistance
Rated current Idc1
Product No.
4284A
AX-111A
4284A+42841A+42842C
Manufacturer
Agilent Technologies
ADEX
Agilent Technologies
＊ Equivalent measurement equipment may be used.
? All specifications are subject to change without notice.
001-01 / 20131226 / inductor_commercial_power_spm_en.fm
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