SC73B
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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
SC73B-100 10 2.52MHZ 0.08 1.44 2.40
SC73B-120 12 2.52MHZ 0.09 1.39 2.20
SC73B-150 15 2.52MHZ 0.10 1.24 2.00
SC73B-180 18 2.52MHZ 0.11 1.12 1.80
SC73B-270 27 2.52MHZ 0.17 0.94 1.50
SC73B-330 33 2.52MHZ 0.20 0.85 1.40
SC73B-390 39 2.52MHZ 0.22 0.74 1.30
SC73B-470 47 2.52MHZ 0.29 0.68 1.22
SC73B-560 56 2.52MHZ 0.34 0.64 1.13
SC73B-820 82 2.52MHZ 0.47 0.54 0.96
SC73B-101 100 1KHZ 0.50 0.51 0.88
SC73B-121 120 1KHZ 0.66 0.49 0.80
SC73B-151 150 1KHZ 0.75 0.40 0.72
SC73B-181 180 1KHZ 1.02 0.36 0.62
SC73B-221 220 1KHZ 1.20 0.31 0.54
SC73B-271 270 1KHZ 1.31 0.29 0.48
SC73B-331 330 1KHZ 1.76 0.28 0.44
(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
1
10
100
100
1000
10000
10
BC73B I nduct ance decr ease by cur r ent
I nduct ance( uH)
100000
DC cur r ent ( mA)
1000
10000
331
560
100
Temper at ur e r i se ℃
BC73B Temper at ur e r i se by cur r ent
DC c u r r e n t ( mA)
80
50
70
40
60
30
20
10
2000
3000
500
1000
1500
3500
2500
4000
0
4500
331
560
100
SC73B Inductance decrease by current
SC73B 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
