SC1704
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SMD POWER INDUCTORS
● Features
1. Non-magnetically shielded construction – Low EMI
2 Excellent Power Density
3 Engineered to Provide High Efficiency
ELECTRICAL CHARACTERISTICS
Part Number
Inductance
(uH)
(1)
Test
Frequency
DC Resistance
(Ω MAX)
(2)
Saturation
Current
(A)
Temperature
Current
(A)
SC1704-1R2 1.2 100KHZ 0.12 1.50 1.70
SC1704-1R5 1.5 100KHZ 0.14 1.05 1.50
SC1704-2R2 2.2 100KHZ 0.15 0.90 1.35
SC1704-3R3 3.3 100KHZ 0.19 0.80 1.25
SC1704-4R7 4.7 100KHZ 0.25 0.68 1.00
SC1704-6R8 6.8 100KHZ 0.32 0.60 0.88
SC1704-100 10 100KHZ 0.41 0.50 0.68
SC1704-150 15 100KHZ 0.66 0.40 0.60
SC1704-220 22 100KHZ 0.96 0.32 0.48
SC1704-330 33 100KHZ 1.50 0.25 0.40
SC1704-470 47 100KHZ 2.16 0.20 0.35
SC1704-680 68 100KHZ 3.40 0.18 0.27
SC1704-101 100 100KHZ 4.60 0.16 0.23
SC1704-151 150 100KHZ 6.40 0.13 0.19
SC1704-221 220 100KHZ 8.30 0.10 0.16
SC1704-331 330 100KHZ 15.0 0.09 0.13
(1). Inductance tolerance for 1.2uH~1.5uH: ±30%, for 2.2uH~330uH: ±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.
(3)
(4)
XXX
MARKING
10
100
1000
10
100 1000
BC1704 I nduct ance decr ease by cur r ent
I nduct ance( uH)
10000
DC cur r ent ( mA)
1
0. 1
100000
331
150
1R2
Temper at ur e r i se ℃
BC1704 Temper at ur e r i se by cur r ent
DC current(mA)
80
50
70
40
60
30
20
10
1200
1800
300
600
900
2100
1500
2400
0 2700
3000
331
150
1R2
SC1704 Inductance decrease by current
Inductance (µH)
DC current (mA)
DC current (mA)
Temperature rise °C
SC1704 Temperature rise
y current
Custom versions available u
on re
uest. ©2011 Signal Transformer –Specification subject to change without notice. 07.11
