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CURRENT SENSE INDUCTORS
FIS Series
Current sense inductors, as feedback elements linking the output and pulse control circuitry, allow low-cost regulation of switch-mode power supplies
Fully encapsulated with a frequency of 200 kHz maximum
Isolation Pri to Sec: 2500 VAC
Pri. current: 15 A maximum
Electrical Specifications @ 25°C
Part No.
FIS 101 FIS 111 FIS 121
Prim/Sec Ratio 1/50 1/100 1/200
Notes:
L: Inductance: (1-3) tested at 10 KHz & 10 mV
V x τ: V = Rt x Is
τ
=
1 2F
Sec L (mH MIN)
5.0 22.0 94.5
Sec DCR (Ω MAX)
0.65
1.30
4.50
Rt (Ω): Recommended Terminating Resistance Is (A): sec. current F(Hz): Frequency
Mechanical
Vxτ
(MAX) 175 VµS 350 VµS 700 VµS
Schematic
.677 17,20
Ø .196 Ø5
*
1
4 mm ± 1
XXX
23
.500 12,70
.375 9,53 MAX
.