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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

.803

20,40

1

3

For More Information :

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FAX: 852 2776 1055

Performance warranty of products offered on this data sheet is limited to the parameters specified. Data is subject to change without notice. Other brand and product

names mentioned herein may be trademarks or registered trademarks of their respective owners.

Printed on recycled paper. © 2003, Pulse Engineering, Inc.

P524.A (4/03)

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