SCRH74B
500 Bayview Avenue, Inwood, NY 11096
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1. Magnetically shielded 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
SCRH74B-150 15 1KHZ 81m 1.47 2.09
SCRH74B-270 27 1KHZ 0.15 1.12 1.60
SCRH74B-680 68 1KHZ 0.38 0.69
1.04
SCRH74B-101 100 1KHZ 0.61 0.60 0.75
SCRH74B-331 330 1KHZ 1.86 0.32 0.47
SCRH74B-391 390 1KHZ 2.85 0.29 0.42
SCRH74B-102 1000 1KHZ 6.00 0.18 0.25
(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 25% from its initial value.
(4). The DC current that results in a 40℃ temperature rise from 25℃ambient.
XXX
(3)
(4)
MARKING
1
10
100
1000
100
1000
10000
10
BCRH74B I nduct ance decr ease by cur r ent
I nduct ance( uH)
100000
DC cur r ent ( mA)
10000
102
101
100
500
1000
1500
2000
2500
3000
3500
0
4000
BCRH74B Temper at ur e r i se by cur r ent
Temper at ur e r i se ℃
DC c u r r e n t ( mA)
80
70
60
50
40
30
20
10
4500
100
101
102
SCRH74B Inductance decrease by current
Inductance (µH)
DC current (mA)
SCRH74B Temperature rise by current
Custom versions available upon request.
©2011 Signal Transformer –Specification subject to change without notice. 07.11
