Delta SILM315L - Manual
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SMT Power Inductor
S I L M 3 1 5 L Ty p e
25
: 100KHz, 0.1V
o
C
4 5
Features
R o H S c o m p l i a n t .
L o w p r o f i l e ( 1 . 5 m m ma x . h e i g h t ) 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 or h i gh d en s i t y m o u n t i n g .
S e l f - l e a d s , s u i t a b l e f or h i gh d en 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 nd l o w D C R .
P r o v i d e d wi t h em b o s s e d ca r r i e r t a p e p a c k i n g .
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 , DC - 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 pp l i c a t i o n s .
I n ad d i t i o n t o th e st a n d a r d v er 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 .
Electrical Characteristics:
1. Tolerance of inductance: 30% for 2.2~8.2uH; 20% for 10~22uH.
2. Isat is the DC current which cause the inductance drop 35% typical of its nominal inductance without current.
3. Ir is the DC current which cause the surface temperature of the part increase less than
4.Operating temperature : -20
to 105
(including self-temperature rise).
o
45 C.
o
o
C
C
(uH)
1
L
PART NO.
m
DCR
( ) MAX
(Adc)
Isat
2
(Adc)
Ir
3
SILM315L - 2R2
2.2
108
0.90
1.00
SILM315L - 3R3
3.3
168
0.70
0.90
SILM315L - 4R7
4.7
240
0.60
0.85
SILM315L - 5R6
5.6
264
0.55
0.80
SILM315L - 6R8
6.8
288
0.52
0.77
SILM315L - 8R2
8.2
420
0.48
0.72
SILM315L - 100
10.0
480
0.45
0.70
SILM315L - 120
12.0
540
0.40
0.65
SILM315L - 150
15.0
720
0.35
0.50
SILM315L - 180
18.0
816
0.30
0.40
SILM315L - 220
22.0
960
0.25
0.30
Mechanical Dimension:
U N I T : m m / i n c h
A = 3 . 2 / 0 . 1 2 6 M a x .
B = 3 . 2 / 0 . 1 2 6 M a x .
C = 1 . 5 / 0 . 0 5 9 M a x .
D = 4 . 0 / 0 . 1 5 7 M a x .
E = 2 . 2 / 0 . 0 8 7
F = 1 . 0 / 0 . 0 3 9
1.5
1.7
4.7
B
D
A
F
C
E
RECOMMENDED PAD PATTERNS
Mechanical Dimension:
U N I T : m m / i n c h
A = 3 . 2 / 0 . 1 2 6 M a x .
B = 3 . 2 / 0 . 1 2 6 M a x .
C = 1 . 5 / 0 . 0 5 9 M a x .
D = 4 . 0 / 0 . 1 5 7 M a x .
E = 2 . 2 / 0 . 0 8 7
F = 1 . 0 / 0 . 0 3 9
1.5
1.7
4.7
B
D
A
F
C
E
RECOMMENDED PAD PATTERNS
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
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