SCR74B
SMD POWER INDUCTORS
XXX
MARKING
● Features
Inductance
Test
(uH)
Frequency
DC Resistance
(Ω MAX)
(2)
(1)
Saturation(3) Temperature
(4)
Current
Current
(A)
(A)
10
2.52KHZ
0.07
1.65
3.30
SCR74B-120
12
2.52KHZ
0.07
1.57
3.00
SCR74B-150
15
2.52KHZ
0.08
1.39
2.70
SCR74B-180
18
2.52KHZ
0.10
1.29
2.43
SCR74B-220
22
2.52KHZ
0.13
1.12
2.18
SCR74B-270
27
2.52KHZ
0.16
1.06
1.96
SCR74B-330
33
2.52KHZ
0.18
0.97
1.74
SCR74B-390
39
2.52KHZ
0.18
0.91
1.64
SCR74B-470
47
2.52KHZ
0.27
0.80
SCR74B-560
56
SCR74B-680
68
SCR74B-820
82
SCR74B-121
120
SCR74B-151
150
SCR74B-181
BS
100
0.29
0.76
1.47
2.52KHZ
0.33
0.68
1.32
2.52KHZ
0.43
0.62
1.20
1KHZ
0.49
0.55
1.14
1KHZ
0.68
0.49
1.08
1KHZ
0.94
0.44
0.97
180
1KHZ
1.00
0.40
0.87
SCR74B-221
220
1KHZ
1.18
0.36
0.78
SCR74B-271
270
1KHZ
1.30
0.33
0.70
470
10
100
1
0. 1
10
10000
1000
100
current
(mA)
DDC
C cur
r ent
( mA)
1.55
2.52KHZ
O
SCR74B-101
271
100
O
SCR74B-100
BCR
74B I nduct
ance decr
easeby
bycurrent
cur r ent
SCR74B
Inductance
decrease
1000
Temperature
Tem
per at ur erise
r i °C
se ℃
Part Number
(µH)uH)
I Inductance
nduct ance(
ELECTRICAL CHARACTERISTICS
LE
TE
1. Magnetically shielded construction
2 Excellent Power Density
3 Engineered to Provide High Efficiency
SCR74B
Temperature
current
BC
R74B Tem
per at ur e rise
r i sebyby
cur r ent
80
70
60
271
50
100
470
40
30
20
10
0
500
1000 1500
2000
2500
3000
3500
4000
4500
5000
D
C cur
r ent(mA)
( mA)
DC
current
(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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