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參數資料
| 型號： | 972AS-8R2M=P5 |
| 廠商： | TOKO INC |
| 元件分類： | 通用定值電感 |
| 英文描述： | 1 ELEMENT, 8.2 uH, GENERAL PURPOSE INDUCTOR, SMD |
| 封裝： | CHIP, LEAD FREE |
| 文件頁數： | 1/2頁 |
| 文件大小： | 0K |
| 代理商： | 972AS-8R2M=P5 |
D412F Series
SURFACE MOUNT FIXED INDUCTOR
January 2005
1
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-271-D412F
R-LOG0105A
TYPE D412F
Inductance Range: 2.2 - 47
H
Frequency Range: 0.1 - 1MHz
Features
4.6mm x 4.6mm footprint (
±0.2mm)
1.2mm maximum height
Reflow solderable
Packaged on 2000 piece reels
Lead-free terminations
Dimensions & Recommended Patterns:
Unit: mm
Note: =P5 is added to each part number to indicate tape and reel packaging.
Description
The TOKO D412F Series is an extremely low profile surface mount
fixed inductor with a maximum height of 1.2mm. The product is
specifically designed for space constrained DC-DC converter
applications in portable platforms including wireless handsets,
PDA's, and consumer electronics.
1.2 Max.
4.6 ±0.2
4.6
±
0.2
Resist Zone
0.5
4.6
5.2
2.8
1.8
4.6
TYPE D412F
TOKO
Part
Number
972AS-2R2M=P5
972AS-3R3M=P5
972AS-4R7M=P5
972AS-6R8M=P5
972AS-8R2M=P5
972AS-100M=P5
972AS-120M=P5
972AS-150M=P5
972AS-180M=P5
972AS-220M=P5
972AS-270M=P5
972AS-330M=P5
972AS-390M=P5
972AS-470M=P5
Inductance (1)
(
H)
2.2
3.3
4.7
6.8
8.2
10
12
15
18
22
27
33
39
47
0.14
0.20
0.22
0.35
0.38
0.48
0.62
0.70
0.85
0.96
1.26
1.50
1.68
1.88
±20
Tolerance
( % )
DC (2)
Resistance
(
) max.
Temperature (3)
Rise Current
+40
°C T
(A) max.
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.
1.14
0.90
0.80
0.66
0.61
0.53
0.52
0.44
0.39
0.36
0.32
0.29
0.26
0.24
-10%
(A) max.
1.33
1.02
0.96
0.77
0.73
0.65
0.61
0.54
0.50
0.45
0.40
0.36
0.35
0.31
Inductance (3)
Decrease Current
-30%
(A) max.
1.24
1.03
0.95
0.72
0.71
0.67
0.59
0.55
0.53
0.48
0.40
0.38
0.37
0.35
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