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参数资料
| 型号： | 984FB-820M=P3 |
| 厂商： | TOKO INC |
| 元件分类： | 通用定值电感 |
| 英文描述： | 1 ELEMENT, 82 uH, FERRITE-CORE, GENERAL PURPOSE INDUCTOR, SMD |
| 文件页数： | 1/2页 |
| 文件大小： | 710K |
| 代理商： | 984FB-820M=P3 |
D31FB Series
SURFACE MOUNT FIXED INDUCTOR
January 2005
1
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-267-D31FB
R-LOG0105A
TYPE D31FB
TYPE D31FB
Inductance Range: 4.7 - 82
H
Frequency Range: 0.1 - 1MHz
Features
3.3mm x 3.3mm footprint (
±0.2mm)
1.7mm maximum height
Reflow solderable
Packaged on 3000 piece reels
Lead-free terminations
TOKO
Part
Number
984FB-4R7M=P3
984FB-6R8M=P3
984FB-8R2M=P3
984FB-100M=P3
984FB-150M=P3
984FB-220M=P3
984FB-270M=P3
984FB-330M=P3
984FB-470M=P3
984FB-560M=P3
984FB-680M=P3
984FB-820M=P3
Inductance (1)
(
H)
4.7
6.8
8.2
10
15
22
27
33
47
56
68
82
0.54
0.66
0.75
0.83
1.12
1.42
1.68
1.86
3.08
3.49
4.44
5.11
±20
Tolerance
( % )
DC (2)
Resistance
(
) max.
Temperature (3)
Rise Current
+40
°C T
(A) max.
Dimensions & Recommended Patterns:
Note: =P3 is added to each part number to indicate tape and reel packaging.
Description
The TOKO D31FB Series is a low profile surface mount fixed
inductor with a maximum height of 1.7mm. A wide drum diameter
and robust ferrite composition provide outstanding impact
resistance characteristics. The product is specifically designed for
space constrained DC-DC converter applications including white
LED backlighting of miniature color displays in portable platforms
such as wireless handsets, PDA's, and consumer electronics.
1.7 Max.
3.3 ±0.2
3.3
±
0.2
STANDARD PARTS SELECTION GUIDE
(1) Inductance is measured by LCR-meter 4284A (Agilent) or equivalent.
(2) DC resistance is measured by 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).
Rated DC current for a 10% inductance reduction is provided as well.
Unit: mm
0.93
0.81
0.71
0.61
0.53
0.45
0.42
0.38
0.32
0.29
0.26
0.24
-10%
(A) max.
1.06
0.90
0.83
0.73
0.58
0.50
0.47
0.45
0.37
0.34
0.31
0.28
Inductance (3)
Decrease Current
-30%
(A) max.
0.47
0.42
0.41
0.38
0.37
0.33
0.28
0.27
0.23
0.25
0.19
0.18
5.3
0.8
0.5
3.3
2.0
No Paste
1.1
3.3
Solder
Pad
Solder
Pad
No Paste
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