Delta SIQ74 - Manual
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o
25 C, 100KHz, 0.1V for 1.2~6.8uH. 1KHz,1V for 10~1000uH.
S I Q 7 4 Ty p e
M a g n e t i c a l l y s h i e l d e d .
I d e l f o r p o w e r s o u r c e c i r c u i t s , D C - D C c o n v e r t e r , D C - A C i n v e r t e r s
i n d u c t o r a p p l i c a t i o n s .
I n a d d i t i o n t o t h e s t a n d a r d v e r s i o n s s h o w n h e r e , c u s t o m i z e d i n d u c t o r s
a r e a v a i l a b l e t o m e e t y o u r e x a c t r e q u i r e m e n t s .
R o H S c o m p l i a n t .
Features
2 2
SMT Power Inductor
Electrical Characteristics:
0.00
0.01
0.10
1.00
10.00
CURRENT (A)
10.00
100.00
1000.00
IN
D
U
C
T
A
N
C
E
(u
H
)
100
120
150.
180
220
270
330
470
560
680
820
101
390
121
151
181
221
271
331
391
471
561
681
821
102
PART NO.
DCR
( ) MAX
2
Irated
(Adc)
1
L
(uH)
Mechanical Dimension:
U N I T : m m / i n c h
U N I T : m m / i n c h
A = 7 . 3 0 . 2 / 0 . 2 8 7 0 . 0 0 8
B = 7 . 3 0 . 2 / 0 . 2 8 7 0 . 0 0 8
C = 4 . 5 / 0 . 1 7 7 M a x .
D = 5 . 0 0 . 2 / 0 . 1 9 7 0 . 0 0 8
E = 2 . 0 0 . 2 / 0 . 0 7 9 0 . 0 0 8
F = 1 . 1 0 . 2 / 0 . 0 4 3 0 . 0 0 8
E
C
A
B
D
4.8
2.2
1.6
F
RECOMMENDED PAD PATTERNS
1. Tolerance of inductance : 20
%.
2. Irated is the DC current which cause the inductance drop less than 25% of its nominal inductance without current
o
and the surface temperature of the part increase less than 45
C
.
o
o
3. Operating temperature: -20
C
to 105
C
(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.deltaww.com
SIQ74 - 1R2
1.2
0.0084
6.40
SIQ74B - 1R5
1.5
0.0160
7.00
SIQ74 - 2R2
2.2
0.0250
4.30
SIQ74B - 2R2
2.2
0.0190
6.50
SIQ74 - 3R3
3.3
0.0270
4.00
SIQ74B - 3R3
3.3
0.0290
5.20
SIQ74 - 3R9
3.9
0.0360
3.50
SIQ74A - 3R9
3.9
0.0360
3.50
SIQ74 - 4R7
4.7
0.0400
2.40
SIQ74A - 4R7
4.7
0.0400
3.50
SIQ74B - 5R0
5.0
0.0450
4.00
SIQ74B - 6R8
6.8
0.0620
3.60
SIQ74 - 6R8
6.8
0.0450
2.20
SIQ74B - 8R2
8.2
0.0810
3.30
SIQ74 - 100
10.0
0.0490
1.84
SIQ74B - 100
10.0
0.0660
2.50
SIQ74 - 120
12.0
0.0580
1.71
SIQ74 - 150
15.0
0.0810
1.47
SIQ74 - 180
18.0
0.0910
1.31
SIQ74 - 220
22.0
0.1100
1.23
SIQ74 - 270
27.0
0.1500
1.12
SIQ74 - 330
33.0
0.1700
0.96
SIQ74B - 330
33.0
0.2200
1.30
SIQ74 - 390
39.0
0.2300
0.91
SIQ74 - 470
47.0
0.2600
0.88
SIQ74 - 560
56.0
0.3500
0.75
SIQ74 - 680
68.0
0.3800
0.69
SIQ74 - 820
82.0
0.4300
0.61
SIQ74 - 101
100.0
0.6100
0.60
SIQ74 - 121
120.0
0.6600
0.52
SIQ74 - 151
150.0
0.8800
0.46
SIQ74 - 181
180.0
0.9800
0.42
SIQ74 - 221
220.0
1.1700
0.36
SIQ74 - 271
270.0
1.6400
0.34
SIQ74 - 331
330.0
1.8600
0.32
SIQ74 - 391
390.0
2.8500
0.29
SIQ74 - 471
470.0
3.0100
0.26
SIQ74 - 561
560.0
3.6200
0.23
SIQ74 - 681
680.0
4.6300
0.22
SIQ74 - 821
820.0
5.2000
0.20
SIQ74 - 102
1000.0
6.0000
0.18
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