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參數(shù)資料
| 型號： | DB318C |
| 廠商： | TOKO Inc. |
| 英文描述： | Fixed Inductors for Surface Mounting |
| 中文描述： | 表面安裝固定電感器 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 107K |
| 代理商： | DB318C |
Fixed Inductors for Surface Mounting
(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
DB318C
DIMENSIONS
Recommended patterns
1.8 Max.
10
26
4.0 Max.
Direction indication
2.2
1
5.1
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.
(Unit: mm)
(Unit: mm)
TYPE DB318C
(Quantity/reel; 2,000 PCS)
TOKO
Part
Number
Inductance
(1)
(μH)
Tolerance
(%)
DC
Resistance
(2)
(
) Max. (Typ.)
Inductance Decrease Current
(3)
(A) Max. (Typ.)
L
L
=10%
=30%
L
L
Temperature
Rise Current
(3)
T=40°C
(A) Max. (Typ.)
A997AS-1R0N
A997AS-2R2N
A997AS-3R3M
A997AS-3R9M
A997AS-4R7M
1.0
2.2
3.3
3.9
4.7
±30
±30
±20
±20
±20
0.04 (0.032)
0.06 (0.048)
0.07 (0.06)
0.09 (0.08)
0.10 (0.09)
1.80 (2.40)
1.30 (1.70)
0.94 (1.26)
0.86 (1.15)
0.85 (1.14)
2.30 (3.10)
1.60 (2.10)
1.20 (1.61)
1.10 (1.46)
1.07 (1.43)
2.40 (2.80)
1.90 (2.20)
1.64 (1.93)
1.37 (1.61)
1.29 (1.52)
A997AS-5R6M
A997AS-6R8M
A997AS-8R2M
A997AS-100M
A997AS-120M
5.6
6.8
8.2
10.0
12.0
±20
±20
±20
±20
±20
0.12 (0.10)
0.13 (0.11)
0.16 (0.14)
0.18 (0.15)
0.23 (0.19)
0.81 (1.09)
0.69 (0.92)
0.59 (0.78)
0.58 (0.77)
0.55 (0.73)
1.02 (1.36)
0.89 (1.19)
0.75 (1.00)
0.74 (0.99)
0.70 (0.94)
1.23 (1.45)
1.10 (1.29)
1.05 (1.23)
0.99 (1.16)
0.78 (0.92)
A997AS-150M
A997AS-180M
A997AS-220M
15.0
18.0
22.0
±20
±20
±20
0.26 (0.21)
0.33 (0.27)
0.44 (0.37)
0.48 (0.64)
0.42 (0.56)
0.39 (0.52)
0.61 (0.81)
0.53 (0.70)
0.51 (0.67)
0.74 (0.87)
0.63 (0.74)
0.53 (0.63)
Inductance Range:
1.0~22μH
SELECTION GUIDE FOR STANDARD COILS
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