SCRH74
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
(A)
Temperature
Current
(A)
SCRH74-120 12 1KHZ 58m 1.71 2.21
SCRH74-180 18 1KHZ 91m 1.31 1.81
SCRH74-270 27 1KHZ 0.15 1.12 1.60
SCRH74-390 39 1KHZ 0.23 0.91 1.26
SCRH74-560 56 1KHZ 0.35 0.75 1.05
SCRH74-820 82 1KHZ 0.43 0.61 0.91
SCRH74-121 120 1KHZ 0.66 0.52 0.70
SCRH74-181 180 1KHZ 0.98 0.42 0.60
SCRH74-271 270 1KHZ 1.64 0.34 0.55
SCRH74-391 390 1KHZ 2.85 0.29 0.42
SCRH74-561 560 1KHZ 3.62 0.23 0.32
SCRH74-821 820 1KHZ 5.20 0.20 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.
(3)
(4)
XXX
MARKING
1
10
100
1000
100
1000
10000
10
BCRH74 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
BCRH74 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
SCRH74 Inductance decrease by current
Inductance (µH)
DC current (mA)
SCRH74 Temperature rise by current
Custom versions available upon request.
©2011 Signal Transformer –Specification subject to change without notice. 07.11
