Delta SIQ1048 Series - Manual
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1. Tolerance of inductance: 1.0~1.8uH 30% , 2.8~470uH 20%.
2. Irated is the DC current which cause the inductance drop 20% typical of its nominal inductance without current
and the surface temperature of the part increase less than 45
o
C.
o
3. Operating temperature: -20 C to 105 (including self-temperature rise).
SMT Power Inductor
S I Q 1 0 4 8 Ty p e
R o H S c o m p l i a n t .
L o w p r o f i l e ( 4 . 8 m m m a x . h e g i h t ) , h i g h c u r r e n t ( 1 3 . 6 A ) S M D t y p e .
M a g n e t i c a l l y s h i e l d e d , s u i t a b l e f o r h i g h t d e n s i t y m o u n t i n g .
H i g h e n e r g y s t o r a g e a n d l o w D C R .
P r o v i d e d w i t h e m b o s s e d c a r r i e r t a p e p a c k i n g .
I d e a 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 .
Features
Electrical Characteristics:
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG)
25
: 100KHz, 0.1V
o
C
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
2 4
SIQ1048 - 1R0
1.0
0.0070
13.6
9.7
SIQ1048 - 1R8
1.8
0.0110
10.4
9.5
SIQ1048 - 2R8
2.8
0.0120
8.3
6.1
SIQ1048 - 3R7
3.7
0.0160
7.0
5.3
SIQ1048 - 3R9
3.9
0.0160
7.0
7.0
SIQ1048 - 4R7
4.7
0.0185
6.1
5.2
SIQ1048 - 6R4
6.4
0.0280
5.2
4.8
SIQ1048 - 100
10.0
0.0360
4.3
4.5
SIQ1048 - 220
22.0
0.0780
3.0
3.0
SIQ1048 - 270
27.0
0.0920
2.7
2.7
SIQ1048 - 330
33.0
0.1050
2.4
2.4
SIQ1048 - 470
47.0
0.1550
1.8
1.8
0.00
0.01
0.10
1.00
10.00
CURRENT (A)
0.10
1.00
10.00
IN
D
U
C
T
A
N
C
E
(u
H
)
3R9
4R7
6R4
100
220
270
330
470
3R7
2R8
1R8
1R0
DCR
( ) TYP.
Irms
(Adc)
3
Isat
(Adc)
2
PART NO.
L
(uH)
1
D
A
E
F
B
I
H
J
G
Mechanical Dimension:
U N I T : m m / i n c h
A = 1 0 . 0 0 . 3 / 0 . 3 9 4 0 . 0 1 2
B = 4 . 8 / 0 . 1 8 9 M A X .
D = 6 . 4 0 . 3 / 0 . 2 5 2 0 . 0 1 2
E = 4 . 6 0 . 2 / 0 . 1 8 1 0 . 0 0 8
C = 1 0 . 0 0 . 3 / 0 . 3 9 4 0 . 0 1 2
F = 1 . 7 0 . 2 / 0 . 0 6 7 0 . 0 0 8
G = 5 . 4 / 0 . 2 1 3
H = 1 0 . 8 / 0 . 4 2 5
I = 2 . 9 / 0 . 1 1 4
J = 5 . 0 / 0 . 1 9 7
C
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