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D128C Datasheet

Fixed Inductors

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D128C pdf
Fixed Inductors for Surface Mounting
D128C
Inductance Range: 1.4~47µH
DIMENSIONS
12.3 Max.
8.0 Max.
8.0
Recommended patterns
(Unit: mm)
FEATURES
12.3mm Max. square and 8.0mm Max. height.
Magnetically shielded construction low DC resistance.
Suitable for large current.
Ideal for DC-DC converter inductor applications
in hand held personal computer, etc.
RoHS compliant.
www.DataSheet4U.com
SELECTION GUIDE FOR STANDARD COILS
TYPE D128C (Quantity/reel; 400 PCS)
7.5
13.0
(Unit: mm)
TOKO
Part
Number
Inductance (1)
(µH)
Tolerance
(%)
#931AS-1R4N
#931AS-2R3N
#931AS-3R4M
#931AS-4R7M
#931AS-6R3M
1.4 ± 30
2.3 ± 30
3.4 ± 20
4.7 ± 20
6.3 ± 20
#931AS-8R0M
8.0 ± 20
#931BS-100M 10.0 ± 20
#931BS-120M 12.0 ± 20
#931BS-150M 15.0 ± 20
#931BS-180M 18.0 ± 20
#931BS-220M 22.0 ± 20
#931BS-270M 27.0 ± 20
#931BS-330M 33.0 ± 20
#931BS-420M 42.0 ± 20
#931BS-470M 47.0 ± 20
(1) Inductance is measured with a LCR meter 4284A (Agilent
Technologies) or equivalent.
Test frequency at 100kHz
(2) DC resistance is measured with a Digital Multimeter TR6871
(Advantest) or equivalent.
(3) Maximum allowable DC current is that which causes a 10%
inductance reduction from the initial value, or coil temperature to
rise by 40°C, whichever is smaller.(Reference ambient
temperature: 20°C)
Inductance
DC Resistance(2)
(m) Max.
Decrease Current(3)
(A) Max.
L
L
=10%
4.1 15.0
6.5 12.6
6.8 10.6
9.6 8.7
11.0 7.9
12.1 6.4
12.7 5.8
14.0 5.3
15.8 4.6
24.0 4.4
28.3 3.9
32.7 3.5
44.0 3.1
52.6 3.0
55.6 2.8
Temperature
Rise Current(3)
T=40°C
(A) Max.
12.8
11.9
10.9
8.5
8.0
7.7
7.4
6.8
6.4
5.1
4.5
4.3
3.7
3.3
3.1
TOKO
TOKO



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