SCH4312
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● Features
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
SCH4312-2R2 2.2 100KHZ 104m 1.30 1.38
SCH4312-3R3 3.3 100KHZ 145m 1.00 1.20
SCH4312-4R7 4.7 100KHZ 200m 0.84 1.00
SCH4312-6R8 6.8 100KHZ 270m 0.74 0.88
SCH4312-100 10 100KHZ 403m 0.56 0.74
SCH4312-120 12 100KHZ 456m 0.53 0.64
SCH4312-150 15 100KHZ 570m 0.50 0.62
SCH4312-180 18 100KHZ 690m 0.45 0.56
SCH4312-220 22 100KHZ 930m 0.37 0.50
SCH4312-270 27 100KHZ 1.00 0.35 0.45
SCH4312-330 33 100KHZ 1.32 0.33 0.40
SCH4312-390 39 100KHZ 1.55 0.28 0.38
SCH4312-470 47 100KHZ 1.72 0.26 0.34
SCH4312-560 56 100KHZ 1.95 0.25 0.32
SCH4312-680 68 100KHZ 2.60 0.23 0.30
SCH4312-820 82 100KHZ 2.95 0.21 0.28
SCH4312-101 100 100KHZ 3.36 0.18 0.26
(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.
MARKING
10
100
1000
10
100
1000
BCH4312 I nduct ance decr ease by cur r ent
I nduct ance( uH)
10000
DC c u r r e n t ( mA)
1
0. 1
100000
101
220
2 R2
(3)
(4)
Temper at ur e r i se ℃
BCH4312 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
800
1200
200
400
600
1400
1000
1600
0
1800
2000
101
220
2 R2
SCH4312 Inductance decrease by current
DC current (mA)
DC current (mA)
SCH4312 Temperature rise by current
Custom versions available upon request.
©2011 Signal Transformer –Specification subject to change without notice. 07.11
