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 - Operating Temperature -40°C to +125°C
Part Number
FIS 101NL
FIS 111NL
FIS 121NL
Notes:
L:
Inductance: (1-3) tested at 10 KHz & 10 mV
1
τ =
2F
V x
τ:
V = Rt x ls
Prim/Sec
Ratio
1/50
1/100
1/200
Sec L
(mH MIN)
5.0
22.0
94.5
Rt (Ω): Recommended Terminating Resistance
Is (A): sec. current
F(Hz): Frequency
Sec DCR
(Ω MAX)
0.65
1.30
4.50
Vx
τ
(MAX)
175 VµS
350 VµS
700 VµS
Mechanical
FIS 1XXNL
.677
17,20
Ø .196
Ø5
.375
9,53
MAX
Schematic
1
*
1
4 mm ± 1
XXX
2
3
.803
20,40
3
.500
12,70
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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. © Copyright, 2015. Pulse Electronics, Inc. All rights reserved.
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