D78C Datasheet, PDF (1/1 Pages) TOKO, Inc – Fixed Inductors for Surface Mounting

Fixed Inductors for Surface Mounting
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D78C
Inductance Range: 1.5~330µH
DIMENSIONSʗੇܗ֎๏ਤ
Recommended patterns
ਪ঑ύλʔϯਤ
7.6Max.
8.1Max.
6.0
2.0
3.3
FEATURESʗಛɹ௕
• 7.6mm Max. square, and 8.1mm Max. height.
• Magnetically shielded construction.
• Suitable for large current.
• Ideal for a variety of DC-DC converter inductor applications.
• RoHS compliant.
(Unit: mm)
4.4
8.4
(Unit: mm)
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SELECTION GUIDE FOR STANDARD COILS
TYPE D78C (Quantity/reel; 500 PCS)
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TOKO
Part
Number
#648CY-1R5M
#648CY-2R2M
#648CY-3R3M
#648CY-4R7M
#648CY-6R8M
#648CY-100M
#648CY-120M
#648CY-150M
#648CY-180M
#648CY-220M
#648CY-270M
#648CY-330M
#648CY-390M
#648CY-470M
#648CY-560M
#648CY-680M
#648CY-820M
#648CY-101M
#648CY-121M
#648CY-151M
#648CY-181M
#648CY-221M
#648CY-271M
#648CY-331M
Inductance ⁽¹⁾
L (µH)
1.5
2.2
3.3
4.7
6.8
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
Tolerance
(%)
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
± 20
DC Resistance⁽²⁾
(Ω) Max.
0.023
0.026
0.031
0.037
0.044
0.053
0.056
0.065
0.071
0.079
0.082
0.099
0.134
0.150
0.201
0.300
0.320
0.350
0.581
0.646
0.725
0.811
1.148
1.273
Rated
DC Current⁽³⁾
(A) Max.
4.00
3.60
3.10
2.50
2.10
1.75
1.70
1.45
1.32
1.20
1.08
1.00
0.90
0.86
0.83
0.80
0.70
0.60
0.53
0.48
0.45
0.40
0.36
0.32
(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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