SCRH74B
SMD POWER INDUCTORS
XXX
MARKING
● Features
1. Magnetically shielded construction
2. Excellent Power Density
3. Engineered to Provide High Efficiency
ELECTRICAL CHARACTERISTICS
(2)
(1)
SCRH74B-100
SCRH74B-120
SCRH74B-150
SCRH74B-180
SCRH74B-220
SCRH74B-270
SCRH74B-330
SCRH74B-390
SCRH74B-470
SCRH74B-560
SCRH74B-680
SCRH74B-820
SCRH74B-101
SCRH74B-121
SCRH74B-151
SCRH74B-181
SCRH74B-221
SCRH74B-271
SCRH74B-331
SCRH74B-391
SCRH74B-471
SCRH74B-561
SCRH74B-681
SCRH74B-821
SCRH74B-102
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1000
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
1KHZ
65m
67m
81m
0.11
0.13
0.15
0.17
0.23
0.26
0.35
0.38
0.43
0.61
0.66
0.88
0.98
1.17
1.64
1.86
2.85
3.01
3.62
4.63
5.20
6.00
BCRH74B I nduct
ance decr
ease bybycur
r ent
SCRH74B
Inductance
decrease
current
Saturation(3) Temperature
(4)
Current
Current
(A)
(A)
1.84
1.71
1.47
1.31
1.23
1.12
0.96
0.91
0.88
0.75
0.69
0.61
0.60
0.52
0.46
0.42
0.36
0.34
0.32
0.29
0.26
0.23
0.22
0.20
0.18
2.40
2.21
2.09
1.81
1.73
1.60
1.36
1.26
1.18
1.05
1.04
0.91
0.75
0.70
0.65
0.60
0.55
0.55
0.47
0.42
0.38
0.32
0.30
0.25
0.25
10000
(µH)
IInductance
nduct ance(
uH)
Inductance
Test
DC Resistance
(uH)
Frequency
(Ω MAX)
1000
102
100
101
10
100
1
10
100
1000
DC
r ent ((mA)
mA)
DCcur
current
100000
10000
BCRH74B Tem
per at ur e r i serise
by by
cur current
r ent
SCRH74B
Temperature
Temperature
°C ℃
Tem
per at ur e rise
r i se
Part Number
80
70
60
102
100
101
50
40
30
20
10
0
500
1000
1500
2000
2500
3000
3500
4000
4500
DC DC
curcurrent
r ent ((mA)
mA)
(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 25% from its initial value.
(4). The DC current that results in a 40℃ temperature rise from 25℃ambient.
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