SC75B
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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
Temperature
Current
SC75B-100 10 2.52MHZ 0.07 2.30 3.20
SC75B-120 12 2.52MHZ 0.08 2.00 3.00
SC75B-150 15 2.52MHZ 0.09 1.80 2.75
SC75B-180 18 2.52MHZ 0.10 1.60 2.40
SC75B-220 22 2.52MHZ 0.11 1.50 2.10
SC75B-270 27 2.52MHZ 0.12 1.30 1.85
SC75B-330 33 2.52MHZ 0.13 1.20 1.70
SC75B-390 39 2.52MHZ 0.16 1.10 1.55
SC75B-470 47 2.52MHZ 0.18 1.10 1.47
SC75B-560 56 2.52MHZ 0.24 0.94 1.30
SC75B-680 68 2.52MHZ 0.28 0.85 1.12
SC75B-820 82 2.52MHZ 0.37 0.78 1.03
SC75B-101 100 1KHZ 0.43 0.72 0.90
SC75B-121 120 1KHZ 0.47 0.66 0.86
SC75B-151 150 1KHZ 0.64 0.58 0.80
SC75B-181 180 1KHZ 0.71 0.51 0.76
SC75B-221 220 1KHZ 0.96 0.49 0.68
SC75B-271 270 1KHZ 1.11 0.42 0.60
SC75B-331 330 1KHZ 1.26 0.40 0.52
SC75B-391 390 1KHZ 1.77 0.36 0.50
SC75B-471 470 1KHZ 1.96 0.34 0.46
(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.
(3)
(4)
MARKING
XXX
0. 1
1
10
100
1000
100
1000
10000
10
BC75B I nduct ance decr ease by cur r ent
I nduct ance( uH)
DC cur r ent ( mA)
470
68
10
500
1000
1500
2000
2500
3000
3500
0
4000
BC75B 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
100
680
471
SC75B Inductance decrease by current
SC75B Temperature rise by current
DC current (mA)
DC current (mA)
Custom versions available upon request.
©2011 Signal Transformer –Specification subject to change without notice. 07.11
