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INDUC

T

O

RS

001-01 / 20130527 / e531_spm.fm

• All specifications are subject to change without notice.

SPM4012Type

ELECTRICAL CHARACTERISTICS

CHARACTERISTICS SPECIFICATION TABLE

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

＊ Equivalent measurement equipment may be used.

L

Measuring

frequency

(kHz)

DC resistance

(m

 )

Part No.

max.

typ.

(µH)

Tolerance

max.

typ.

Idc1

Idc1

Idc2

0.47

±20%

100

25

23

8.3

10.9

4.8

SPM4012T-R47M

1.00

±20%

100

45

38

4.8

6.0

4.1

SPM4012T-1R0M

1.50

±20%

100

70

59

3.5

4.8

3.1

SPM4012T-1R5M

2.20

±20%

100

95

82

3.3

4.4

2.7

SPM4012T-2R2M

3.30

±20%

100

145

123

2.8

3.5

2.2

SPM4012T-3R3M

4.70

±20%

100

205

178

2.0

2.5

1.7

SPM4012T-4R7M

Measurement item

Product No.

Manufacturer

L

4284A

Agilent Technologies

DC resistance

AX-111A

ADEX

Rated current Idc1

4284A+42841A+42842C

Agilent Technologies