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 Prim/Sec Ratio 1/50 1/100 1/200 Part No. FIS 101 FIS 111 FIS 121 Notes: L: Inductance: (1-3) tested at 10 KHz & 10 mV V x τ: V = Rt x Is 1 τ = 2F Sec L (mH MIN) 5.0 22.0 94.5 .677 17,20 1 2 Schematic .375 9,53 MAX Ø .196 Ø5 XXX Vxτ (MAX) 175 VµS 350 VµS 700 VµS Rt (Ω): Recommended Terminating Resistance Is (A): sec. current F(Hz): Frequency Mechanical * Sec DCR (Ω MAX) 0.65 1.30 4.50 1 3 3 .803 20,40 4 mm ± 1 .500 12,70 US 858 674 8100 • UK 44 1483 401 700 • France 33 3 84 35 04 04 • Singapore 65 287 8998 • Taiwan 886 2 2698 0228 • Hong Kong 852 2788 6588 • http://www.pulseeng.com PC500.B (5/02) 48