FDH1040 Datasheet, PDF (1/1 Pages) TOKO, Inc – Fixed Inductors for Surface Mounting

Fixed Inductors for Surface Mounting
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FDH1040/FDH1040B
Inductance Range: 0.36~0.56µH
DIMENSIONSʗੇܗ֎๏ਤ
FDH1040
11.2
4.0 Max.
2.55 (6.0) 2.55
FDH1040B
11.3
4.0 Max.
2.35 (6.6) 2.35
Recommended patterns
ਪ঑ύλʔϯਤ
FDH1040
FDH1040B
Tolerance : ±0.3 _{(Unit: mm)}
4.1 5.4 4.1
3.8 6.0 3.8
(Unit: mm)
FEATURESʗಛ௕
(Unit: mm)
• 11.3×10.2mm square and 4.0mm Max. height.
• Magnetically shielded construction low DC resistance.
• Suitable for large current
• The use of magnetic metal alloy powder ensure capability
For large current and compact size.
• Low audible core noise.
• Ideal for DC-DC converter applications in hand held
personal computer and etc.
• RoHS compliant.
• ×NN
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SELECTION GUIDE FOR STANDARD COILS
TYPE FDH1040(B) (Quantity/reel; 500 PCS)
λΠϓ
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Type
TOKO
Part
Number
Inductance ⁽¹⁾
(µH)
Tolerance
(%)
DC
Inductance
Decrease Current⁽³⁾
Resistance⁽²⁾ (A) Max. (Typ.)
(mΩ) Max. (Typ.)
∆L
L
=20%
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Temperature
Rise Current⁽⁴⁾
∆ T=40°C
(A) Max. (Typ.)
FDH1040(B) FDH1040(B)-R36M
0.36
FDH1040(B)-R56M
0.56
±20
1.4 (1.22)
28 (38.4)
±20
1.9 (1.66)
22 (30.2)
24 (29.7)
20 (25.4)
(1) Inductance is measured with a LCR meter 4284A (Agilent
Technologies) or equivalent.
Test frequency at 100KHz
(2) DC resistance is measured with 34420A (Agilent Technologies) or
3541(HIOKI). (environment temp. of 25°C)
(3) Inductance Decrease Current based upon 20% inductance reduction
from the initial value
(4) Temperature Rise Current based upon 40°C temperature rise.
(Reference ambient temperature 25°C)
(5) Absolute maximum voltage 30VDC
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NOTICE: Please be sure that you carefully discuss your planned
purchase with our sales division if you intend to use the
product for business use etc. is severe.
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