D128C Datasheet, PDF (1/1 Pages) TOKO, Inc – Fixed Inductors for Surface Mounting

Fixed Inductors for Surface Mounting
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D128C
Inductance Range: 1.4~47µH
DIMENSIONSʗੇܗ֎๏ਤ
12.3 Max.
8.0 Max.
8.0
Recommended patterns
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FEATURESʗಛ௕
(Unit: mm)
7.5
13.0
(Unit: mm)
• 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.
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SELECTION GUIDE FOR STANDARD COILS
TYPE D128C (Quantity/reel; 400 PCS)
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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)
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Inductance
DC Resistance⁽²⁾
(mΩ) 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
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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
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