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972AS-4R7M=P5 [TOKO]

General Purpose Inductor, 4.7uH, 20%, 1 Element, SMD, CHIP, LEAD FREE;
972AS-4R7M=P5
型号： 972AS-4R7M=P5
厂家： TOKO, INC    TOKO, INC
描述：

General Purpose Inductor, 4.7uH, 20%, 1 Element, SMD, CHIP, LEAD FREE
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中文：  中文翻译
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D412F Series  
SURFACE MOUNT FIXED INDUCTOR  
TYPE D412F  
Inductance Range: 2.2 - 47µH  
Frequency Range: 0.1 - 1MHz  
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.  
Features  
• 4.6mm x 4.6mm footprint ( 0.2mm)  
• 1.2mm maximum height  
• Reflow solderable  
Dimensions & Recommended Patterns:  
4.6  
1.2 Max.  
0.2  
4.6  
1.8  
• Packaged on 2000 piece reels  
• Lead-free terminations  
STANDARD PARTS SELECTION GUIDE  
Resist Zone  
Unit: mm  
(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.  
TYPE D412F  
Inductance (1)  
Tolerance  
( % )  
DC (2)  
Resistance  
( Ω ) max.  
Inductance (3)  
Decrease Current  
Temperature (3)  
Rise Current  
+40°C ∆T  
TOKO  
Part  
Number  
(µH)  
-10%  
-30%  
(A) max.  
(A) max.  
(A) max.  
2.2  
3.3  
4.7  
6.8  
8.2  
10  
12  
15  
18  
22  
27  
33  
39  
47  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
20  
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  
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  
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  
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  
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  
Note: =P5 is added to each part number to indicate tape and reel packaging.  
January 2005  
1
CF-271-D412F  
R-LOG0105A  
© 2005 TOKO America, Inc.  
All Rights Reserved  
Printed in USA  
D412F Series  
SURFACE MOUNT FIXED INDUCTOR  
TYPICAL CHARACTERISTICS  
972AS-2R2M (2.2µH)  
972AS-120M (12µH)  
5
14  
12  
10  
8
4
3
2
1
0
6
4
2
0
0
100  
200  
300  
400  
500  
600  
700  
800  
900  
0
200  
400  
600  
800  
1000  
1200  
1400  
1600  
1800  
DC Current (mA)  
DC Current (mA)  
972AS-150M (15µH)  
972AS-3R3M (3.3µH)  
5
4
3
2
1
0
16  
14  
12  
10  
8
6
4
2
0
0
100  
200  
300  
400  
500  
600  
700  
800  
0
200  
400  
600  
800  
1000  
1200  
1400  
DC Current (mA)  
DC Current (mA)  
972AS-220M (22µH)  
972AS-4R7M (4.7µH)  
25  
20  
15  
10  
5
5
4
3
2
1
0
0
0
100  
200  
300  
400  
500  
600  
0
200  
400  
600  
800  
1000  
1200  
1400  
DC Current (mA)  
DC Current (mA)  
972AS-6R8M (6.8µH)  
972AS-270M (27µH)  
10  
9
8
7
6
5
4
3
2
1
0
30  
25  
20  
15  
10  
5
0
0
200  
400  
600  
800  
1000  
0
100  
200  
300  
400  
500  
600  
DC Current (mA)  
DC Current (mA)  
972AS-8R2M (8.2µH)  
972AS-330M (33µH)  
10  
9
8
7
6
5
4
3
2
1
0
40  
35  
30  
25  
20  
15  
10  
5
0
0
100  
200  
300  
400  
500  
600  
0
200  
400  
600  
800  
1000  
DC Current (mA)  
DC Current (mA)  
972AS-100M (10µH)  
972AS-470M (47µH)  
11  
10  
9
50  
45  
40  
35  
30  
25  
20  
15  
10  
5
8
7
6
5
4
3
2
1
0
0
0
100  
200  
300  
400  
500  
0
100  
200  
300  
400  
500  
600  
700  
800  
900  
DC Current (mA)  
DC Current (mA)  
TheinformationfurnishedbyTOKO,Inc.isbelievedtobeaccurateandreliable. However,TOKOreservestherighttomakechangesorimprovementsinthedesign,specificationormanufacture  
of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents  
or other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.  
TOKO America, Inc.  
1250 Feehanville Drive, Mount Prospect, Illinois 60056  
Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com  
January 2005  
2
CF-271-D412F  
R-LOG0105A  
© 2005 TOKO America, Inc.  
All Rights Reserved  
Printed in USA  

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