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SRR4028-1R2Y [BOURNS]

SRR4028 Series - Shielded SMD Power Inductors; SRR4028系列 - 屏蔽贴片功率电感
SRR4028-1R2Y
型号： SRR4028-1R2Y
厂家： BOURNS ELECTRONIC SOLUTIONS    BOURNS ELECTRONIC SOLUTIONS
描述：

SRR4028 Series - Shielded SMD Power Inductors
SRR4028系列 - 屏蔽贴片功率电感
文件： 总2页 (文件大小：402K)
中文：  中文翻译
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Features  
Applications  
■ Height of 3.0 mm max.  
■ Current rating up to 3.1 A  
■ RoHS compliant*  
■ Input/output of DC/DC converters  
■ Power supplies for:  
• Portable communication equipment  
• Camcorders  
• LCD TVs  
• Car radios  
SRR4028 Series - Shielded SMD Power Inductors  
General Specifications  
Electrical Specifications  
Test Voltage .....................0.1 V, 100 KHz  
Reflow Soldering.....230 ˚C; 50 sec max.  
Operating Temperature ..-40 °C to +125 °C  
(Temperature rise included)  
Storage Temperature..-40 °C to +125 °C  
Resistance to Soldering Heat  
................................260 °C for 10 sec.  
Inductance 100 kHz  
Test  
Frequency  
(MHz)  
SRF  
Typ.  
(MHz)  
DCR  
Max.  
(mΩ)  
20  
25  
28  
30  
35  
60  
70  
85  
Q
Ref.  
Bourns Part No.  
Irms  
(A)  
Isat  
(A)  
(µH)  
1.2  
1.8  
2.2  
2.7  
3.3  
3.9  
4.7  
5.6  
6.8  
8.2  
10  
Tol. %  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
30  
SRR4028-1R2Y  
SRR4028-1R8Y  
SRR4028-2R2Y  
SRR4028-2R7Y  
SRR4028-3R3Y  
SRR4028-3R9Y  
SRR4028-4R7Y  
SRR4028-5R6Y  
SRR4028-6R8Y  
SRR4028-8R2Y  
SRR4028-100Y  
SRR4028-120Y  
SRR4028-150Y  
SRR4028-180Y  
SRR4028-220Y  
SRR4028-270Y  
SRR4028-330Y  
SRR4028-390Y  
SRR4028-470Y  
SRR4028-560Y  
SRR4028-680Y  
SRR4028-820Y  
SRR4028-101Y  
SRR4028-121Y  
SRR4028-151Y  
SRR4028-181Y  
SRR4028-221Y  
SRR4028-271Y  
SRR4028-331Y  
SRR4028-391Y  
SRR4028-471Y  
SRR4028-561Y  
9.34  
9.18  
9.24  
8.64  
7.72  
8.58  
8.12  
9.56  
9.624  
8.24  
11.26  
11.26  
9.66  
11.64  
8.26  
10.76  
9.7  
9.74  
10.88  
9
8.42  
8.6  
8.78  
13.32  
11.72  
13.86  
11.3  
17.46  
16.48  
13.18  
13.26  
16.46  
7.96  
7.96  
7.96  
7.96  
7.96  
7.96  
7.96  
7.96  
7.96  
7.96  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
2.52  
0.796  
0.796  
0.796  
0.796  
0.796  
0.796  
0.796  
0.796  
0.796  
0.796  
176  
146  
111  
92  
76  
56  
55  
69  
77  
45  
34  
25  
27  
25  
23  
18  
16  
14  
13  
13  
11  
8
3.10 2.560  
2.70 2.200  
2.50 2.050  
2.35 1.800  
2.15 1.650  
1.72 1.500  
1.55 1.300  
1.38 1.200  
1.30 1.150  
1.25 1.050  
1.19 1.000  
1.12 0.850  
1.03 0.780  
0.98 0.750  
0.93 0.720  
0.89 0.600  
0.82 0.580  
0.80 0.500  
0.75 0.480  
0.70 0.410  
0.63 0.360  
0.56 0.320  
0.51 0.300  
0.47 0.280  
0.42 0.260  
0.39 0.230  
0.34 0.200  
0.32 0.180  
0.30 0.170  
0.26 0.160  
0.24 0.155  
0.22 0.150  
Materials  
Core Material.................................Ferrite  
Wire ............................Enameled Copper  
Adhesive..............................Epoxy Resin  
Terminal.....................................Ag/Ni/Sn  
Rated Current .........Ind. drop of 35 % typ.  
at Isat  
90  
100  
110  
125  
150  
160  
185  
200  
230  
250  
280  
320  
400  
520  
600  
700  
860  
1000  
1250  
1500  
1700  
2200  
2600  
3000  
Temperature Rise.............30 ˚C typ. at Irms  
Packaging.....................500 pcs. per reel  
12  
15  
18  
22  
27  
33  
39  
47  
Product Dimensions  
4.80 0.ꢀ0  
(.189 .008ꢁ  
4.80 0.ꢀ0  
(.189 .008ꢁ  
6R8  
56  
68  
82  
100  
120  
150  
180  
220  
270  
330  
390  
470  
560  
9
8
6
7
5
5
5
4
ꢀ.80 0.ꢀ0  
(.110 .008ꢁ  
1.60  
(.063ꢁ  
TYP.  
3
3
TYP.  
1.60  
(.063ꢁ  
1.60  
(.063ꢁ  
TYP.  
Soldering Profile  
275  
<1> Maximum of 10 seconds between  
+255°C and +260°C  
260°C peak  
<1> 255°C  
220°C  
Recommended Layout  
225  
175  
125  
75  
5.30  
(.ꢀ09ꢁ  
ꢀ.00  
(.079ꢁ  
REF.  
REF.  
Ramp Down  
6°C/second  
maximum  
190°C  
60 - 90  
seconds  
150°C  
1.80  
(.071ꢁ  
REF.  
R
REF.  
1.50  
(.059ꢁ  
120 - 150 seconds  
10 seconds minimum  
ꢀ.00  
(.079ꢁ  
REF.  
Ramp Up  
3°C/second maximum  
MM  
(INCHES)  
DIMENSIONS:  
25  
0
50  
100  
150  
200  
250  
300  
Rev. 02/22/05  
Time (seconds)  
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex  
Specifications are subject to change without notice.  
Customers should verify actual device performance in their specific applications.  
SRR4028 Series - Shielded SMD Power Inductors  
Inductance vs. Current  
Electrical Schematic  
7
5
561  
3
ꢀ
ꢀ
151  
10  
7
5
3
330  
ꢀ
1
10  
7
100  
5
4R7  
LCR METER  
3
ꢀ
0
10  
1Rꢀ  
7
1
ꢀ
3
4
10  
10  
ꢀ
3
5
7
10  
ꢀ
3
5
7
10  
ꢀ
3
5
7
DC Current (mAꢁ  
Packaging Specifications  
ꢀ.0 0.5  
(.079 .0ꢀ0ꢁ  
178.0  
(7.00ꢁ  
DIA.  
MM  
(INCHES)  
16.5  
(.650ꢁ  
DIMENSIONS:  
DIA.  
13.0  
(.511ꢁ  
ꢀ1.0 0.8  
(.8ꢀ7 .03ꢀꢁ  
50.0 - 0  
(1.969 - 0ꢁ  
13.0  
(.511ꢁ  
DIA.  
14.0 + 0  
(.551 + 0ꢁ  
8.0  
(.315ꢁ  
4.0  
(.157ꢁ  
START  
END  
6R8  
6R8  
6R8  
6R8  
NO COMPONENT  
ꢀ00  
(7.87ꢁ  
NO COMPONENT  
400  
(15.75ꢁ  
COMPONENTS  
USER DIRECTION OF FEED  
QTY: 500 PCS. PER REEL  
08/07  
Specifications are subject to change without notice.  
Customers should verify actual device performance in their specific applications.  

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