SC43B
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1. Open frame construction
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)
SC43B-1R0 1.0 7.96MHZ 48m 2.56 3.10
SC43B-1R4 1.4 7.96MHZ 56m 2.20 3.00
SC43B-1R8 1.8 7.96MHZ 63m 2.00 2.80
SC43B-2R2 2.2 7.96MHZ 71m 1.75 2.70
SC43B-2R7 2.7 7.96MHZ 78m 1.58 2.60
SC43B-3R3 3.3 7.96MHZ 86m 1.44 2.30
SC43B-3R9 3.9 7.96MHZ 93m 1.33 2.00
SC43B-4R7 4.7 7.96MHZ 108m 1.22 1.80
SC43B-5R6 5.6 7.96MHZ 125m 1.15 1.60
SC43B-6R8 6.8 7.96MHZ 131m 1.00 1.55
SC43B-8R2 8.2 7.96MHZ 146m 0.92 1.45
SC43B-100 10 2.52MHZ 182m 0.84 1.30
SC43B-120 12 2.52MHZ 210m 0.77 1.23
SC43B-150 15 2.52MHZ 235m 0.69 1.13
SC43B-180 18 2.52MHZ 338m 0.65 1.00
SC43B-220 22 2.52MHZ 378m 0.58 0.92
SC43B-270 27 2.52MHZ 522m 0.52 0.83
SC43B-330 33 2.52MHZ 540m 0.48 0.74
SC43B-390 39 2.52MHZ 587m 0.42 0.66
SC43B-470 47 2.52MHZ 844m 0.39 0.57
SC43B-560 56 2.52MHZ 937m 0.35 0.50
SC43B-680 68 2.52MHZ 1.117 0.33 0.45
(1). Inductance tolerance for 1.0uH: ±30%, for 1.4uH~68uH: ±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)
MARKING
0. 1
1
10
100
1000
100
1000
10000
10
BC43B I nduct ance decr ease by cur r ent
I nduct ance( uH)
DC cur r ent ( mA)
1 R0
100
680
500
1000
1500 2000
2500
3000
3500
0
4000
BC43B Temper at ur e r i se by cur r ent
Temper at ur e r i se ℃
DC cur r ent ( mA)
80
70
60
50
40
30
20
10
4500 5000
1 R0
100680
SC43B Inductance decrease by current
DC current (mA)
SC43B Temperature rise by current
DC current (mA)
Custom versions available upon request.
©2011 Signal Transformer –Specification subject to change without notice. 07.11
