SCH4312
SMD POWER INDUCTORS
XXX
MARKING
●
Features
1.
2
3
4
Open frame construction
Excellent Power Density
Engineered to Provide High Efficiency
Low Profile
ELECTRICAL C
HARACTERISTICS
Part Number
Inductance
Test
(uH)
Frequency
(1)
DC Resistance
(Ω
MAX)
(2)
SCH4312-2R2
SCH4312-3R3
SCH4312-4R7
SCH4312-6R8
SCH4312-100
SCH4312-120
SCH4312-150
SCH4312-180
SCH4312-220
SCH4312-270
SCH4312-330
SCH4312-390
SCH4312-470
SCH4312-560
SCH4312-680
SCH4312-820
SCH4312-101
2.2
3.3
4.7
6.8
10
12
15
18
22
27
33
39
47
56
68
82
100
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
100KHZ
104m
145m
200m
270m
403m
456m
570m
690m
930m
1.00
1.32
1.55
1.72
1.95
2.60
2.95
3.36
1.30
1.00
0.84
0.74
0.56
0.53
0.50
0.45
0.37
0.35
0.33
0.28
0.26
0.25
0.23
0.21
0.18
1.38
1.20
1.00
0.88
0.74
0.64
0.62
0.56
0.50
I
Inductance (µH)
)
nduct ance( uH
Saturation Temperature
(3)
(4)
Current
Current
(A)
(A)
1000
SCH4312
I
Inductance
decr ease by cur r ent
BCH4312 nduct ance
decrease by current
100
101
220
10
1
2R2
0. 1
10
100
DC current (mA)
DC cur r ent ( m
A)
1000
10000
100000
SCH4312 Temperature rise
cur r
current
BC 4312 Tem at ur e r i se by
by
ent
H
per
80
Temperature rise
se
Tem at ur e r i
°C
℃
per
0.45
0.40
0.38
0.34
0.32
0.30
0.28
0.26
70
60
50
40
30
20
10
0
200
400
600
800
1000
1200
1400
1600
1800
2000
101
220
2R
2
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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