Delta Electronics Power Supply SIQ73 User Manual

SMT Power Inductor  
S IQ73 Typ e  
Features  
RoHS complia nt.  
Ma gne tica lly s hie lde d.  
Ide a l for powe r s ource circuits , DC-DC conve rte r, DC-AC inve rte rs  
inductor a pplica tions .  
In a ddition to the s ta nda rd ve rs ions s hown he re , cus tomize d inductors  
a re a va ila ble to me e t your e xa ct re quire me nts .  
Mechanical Dimens ion:  
RECOMMENDED PAD PATTERNS  
C
B
D
2.2  
1.6  
UNIT:mm/inch  
¡ Ó  
¡ Ó  
A = 7.3 0.2 / 0.287 0.008  
B = 7.3¡ Ó0.2 / 0.28¡ Ó7 0.008  
C = 3.4 / 0.134 Ma x.  
D = 5.0¡ Ó0.2 / 0.19¡7Ó 0.008  
4.8  
E
A
¡ Ó  
¡ Ó  
E = 2.0 0.2 / 0.079 0.008  
¡ Ó  
¡ Ó  
F = 1.1 0.2 / 0.043 0.008  
F
o
Electrical Characteris tics :  
25 C , 100KHz, 0.1V for 0.45~6.8uH. 1KHz,1.0V for 10~1000uH.  
3
1
2
DCR  
) MAX  
L
Is at  
Ir  
PART NO.  
(
(uH)  
(Adc)  
(Adc)  
SIQ73A - R45  
SIQ73A - 1R0  
SIQ73 - 1R2  
SIQ73C - 2R0  
SIQ73A - 2R2  
SIQ73C - 3R3  
SIQ73 - 4R7  
SIQ73C - 4R7  
SIQ73C - 5R6  
SIQ73C - 6R8  
SIQ73 - 6R8  
SIQ73 - 100  
SIQ73 - 120  
SIQ73 - 150  
SIQ73 - 180  
SIQ73 - 220  
SIQ73 - 270  
SIQ73 - 330  
SIQ73 - 390  
SIQ73 - 470  
SIQ73 - 560  
SIQ73 - 680  
SIQ73 - 820  
SIQ73 - 101  
SIQ73 - 121  
SIQ73 - 151  
SIQ73 - 181  
SIQ73 - 221  
SIQ73 - 271  
SIQ73 - 331  
SIQ73 - 391  
SIQ73 - 471  
SIQ73 - 561  
SIQ73 - 681  
SIQ73 - 821  
SIQ73 - 102  
0.45  
1.00  
0.0076  
0.012  
0.013  
0.024  
9.00  
6.50  
4.70  
7.30  
5.52  
6.70  
2.30  
5.50  
5.10  
4.40  
2.00  
1.68  
1.52  
1.33  
1.20  
1.07  
0.96  
0.91  
0.77  
0.76  
0.68  
0.61  
0.57  
0.50  
0.49  
0.43  
0.39  
0.35  
0.32  
0.28  
0.26  
0.24  
0.22  
0.19  
0.18  
0.16  
9.00  
5.70  
4.70  
4.00  
4.30  
3.20  
2.30  
2.50  
2.40  
2.10  
2.00  
1.68  
1.52  
1.33  
1.20  
1.07  
0.96  
0.91  
0.77  
0.76  
0.68  
0.61  
0.57  
0.50  
0.49  
0.43  
0.39  
0.35  
0.32  
0.28  
0.26  
0.24  
0.22  
0.19  
0.18  
0.16  
102  
821  
1000.00  
100.00  
10.00  
1.20  
681  
561  
471  
391  
331  
271  
221  
181  
151  
121  
101  
820  
680  
560  
470  
390  
330  
270  
220  
180  
150.  
2.00  
2.10  
0.0152  
0.037  
20%  
3.30  
4.70  
0.045  
0.044  
0.050  
0.062  
0.060  
0.072  
0.098  
0.130  
0.140  
0.190  
0.210  
0.240  
0.320  
0.360  
0.470  
0.520  
0.690  
0.790  
0.890  
1.270  
1.450  
1.650  
2.310  
2.620  
2.940  
4.180  
4.670  
5.730  
6.540  
9.440  
4.70  
5.60  
6.80  
6.80  
10.00  
12.00  
15.00  
18.00  
22.00  
27.00  
33.00  
39.00  
47.00  
56.00  
68.00  
82.00  
100.00  
120.00  
150.00  
180.00  
220.00  
270.00  
330.00  
390.00  
470.00  
560.00  
680.00  
820.00  
1000.00  
120  
100  
0.00  
0.01  
0.10  
1.00  
10.00  
CURRENT (A)  
1. Tolerance of inductance: 20% .  
2. Isat is the DC current which cause the inductance drop less than 25% of its nominal inductance without current. ( 30% Typ. for SIQ73C)  
3. Ir is the DC current which cause the surface temperature of the part increase less than 45oC.  
4. Operating temperature: -20oC to 105oC (including self-temperature rise).  
DELTA ELECTRONICS, INC.  
(TAOYUAN PLANT CPBG)  
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.  
TEL: 886-3-3591968; FAX: 886-3-3591991  
http://www.de lta ww.c om  
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