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PDF DB318C Data sheet ( Hoja de datos )
| Número de pieza | DB318C | |
| Descripción | Fixed Inductors | |
| Fabricantes | TOKO | |
| Logotipo |  |
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Fixed Inductors for Surface Mounting
DB318C
Inductance Range: 1.0~22µH
DIMENSIONS
Recommended patterns
4.0 Max.
1.8 Max.
1.0
Direction indication
2.6
(Unit: mm)
2.2
5.1
(Unit: mm)
FEATURES
• Low profile (4.0mm Max. square and 1.8mm Max. height).
• Magnetically shielded construction and low DC resistance.
• Ideal for DC-DC converter choke coil for portable
equipments (DVD, DSC, Cellular phone, PDA ).
• RoHS compliant.
•
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•www.DataSheet4U.com
SELECTION GUIDE FOR STANDARD COILS
TYPE DB318C (Quantity/reel; 2,000 PCS)
TOKO
Part
Number
A997AS-1R0N
A997AS-2R2N
A997AS-3R3M
A997AS-3R9M
A997AS-4R7M
A997AS-5R6M
A997AS-6R8M
A997AS-8R2M
A997AS-100M
A997AS-120M
A997AS-150M
A997AS-180M
A997AS-220M
Inductance (1)
(µH)
1.0
2.2
3.3
3.9
4.7
5.6
6.8
8.2
10.0
12.0
15.0
18.0
22.0
Tolerance
(%)
±30
±30
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
±20
DC
Resistance (2)
(Ω) Max. (Typ.)
Inductance Decrease Current(3)
(A) Max. (Typ.)
∆L
L
=10%
∆L
L
=30%
Temperature
Rise Current(3)
∆ T=40°C
(A) Max. (Typ.)
0.04 (0.032)
0.06 (0.048)
0.07 (0.06)
0.09 (0.08)
0.10 (0.09)
0.12 (0.10)
0.13 (0.11)
0.16 (0.14)
0.18 (0.15)
0.23 (0.19)
0.26 (0.21)
0.33 (0.27)
0.44 (0.37)
1.80 (2.40)
1.30 (1.70)
0.94 (1.26)
0.86 (1.15)
0.85 (1.14)
0.81 (1.09)
0.69 (0.92)
0.59 (0.78)
0.58 (0.77)
0.55 (0.73)
0.48 (0.64)
0.42 (0.56)
0.39 (0.52)
2.30 (3.10)
1.60 (2.10)
1.20 (1.61)
1.10 (1.46)
1.07 (1.43)
1.02 (1.36)
0.89 (1.19)
0.75 (1.00)
0.74 (0.99)
0.70 (0.94)
0.61 (0.81)
0.53 (0.70)
0.51 (0.67)
2.40 (2.80)
1.90 (2.20)
1.64 (1.93)
1.37 (1.61)
1.29 (1.52)
1.23 (1.45)
1.10 (1.29)
1.05 (1.23)
0.99 (1.16)
0.78 (0.92)
0.74 (0.87)
0.63 (0.74)
0.53 (0.63)
(1) Inductance is measured with a LCR meter 4284A * or equivalent.
(2) DC resistance is measured with a Digital Multimeter TR6871
(Advantest) or equivalent.
(3) Maximum allowable DC current is that which causes a 30%
inductance reduction from the initial value, or coil temperature to rise
by 40°C, whichever is smaller.
(Reference ambient temperature 20°C)
* Agilent Technologies
* Agilent Technologies
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| Páginas | Total 1 Páginas | |
| PDF Descargar | [ Datasheet DB318C.PDF ] | |
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