SC73B
SMD POWER INDUCTORS
XXX
MARKING
●
Features
1. Open frame construction
2 Excellent Power Density
3 Engineered to Provide High Efficiency
ELECTRICAL C
HARACTERISTICS
Part Number
Inductance
Test
(uH)
Frequency
(1)
DC Resistance
(Ω
MAX)
(2)
Saturation
Current
(A)
Temperature
(3)
(4)
Current
(A)
SC73B
I
Inductance decrease by current
BC73B nduct ance decr ease by cur r ent
10000
SC73B-120
SC73B-150
SC73B-180
SC73B-220
SC73B-270
SC73B-330
SC73B-390
SC73B-470
SC73B-560
SC73B-680
SC73B-820
SC73B-101
SC73B-121
SC73B-151
SC73B-181
SC73B-221
SC73B-271
SC73B-331
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
2.52MHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
0.09
0.10
0.11
0.13
0.17
0.20
0.22
0.29
0.34
0.40
0.47
0.50
0.66
0.75
1.02
1.20
1.31
1.76
1.39
1.24
1.12
1.07
0.94
0.85
0.74
0.68
0.64
0.59
0.54
0.51
0.49
0.40
0.36
0.31
0.29
0.28
2.20
2.00
1.80
1.65
1.50
1.40
1.30
1.22
1.13
1.05
0.96
0.88
0.80
0.72
0.62
0.54
0.48
0.44
Inductance (µH)
)
I nduct ance( uH
SC73B-100
10
2.52MHZ
0.08
1.44
2.40
1000
331
100
560
100
10
1
10
100
DC
DC cur r ent ( m
current (mA)
A)
1000
10000
100000
BC
73B Tem
SC73B
per at ur e r i se
rise
cur r ent
Temperature
by
by current
Temperature rise
se
Tem at ur e r i
°C
℃
per
80
70
60
50
40
30
20
10
0
500
1000
1500
2000
2500
3000
3500
4000
4500
331
560
100
D
DC current (mA)
C cur r ent ( m
A)
(1). Inductance tolerance±20% tested at 0.25V, 0ADC and 25℃.
(2). DCR measured at 25℃.
(3). The DC current at which the inductance decreases by 10% from its initial value.
(4). The DC current that results in a 40℃ temperature rise from 25℃ ambient.
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