Current Sense Transformers
FIS 1X5 Series
Current sense transformers provide output feedback to the pulse
control circuitry allowing low-cost regulation of switch-mode power
supplies
Fully encapsulated construction
Isolation primary to secondary: 4000V AC
25A maximum primary current, 500kHz maximum frequency
Applications: switch-mode power supplies, lighting, switch controls
Electrical Specifications @ 25°C - Operating Temperature -40°C to +125°C
Part No.
FIS105NL
FIS115NL
FIS125NL
FIS155NL
FIS1105NL
Notes:
L:
Inductance: (1-3) tested at 10 KHz & 10 mV
1
V x
τ:
V = Rt x ls
τ =
2F
Prim/Sec
Ratio
1:50
1:100
1:200
1:500
1:1000
Sec L
(mH MIN)
4.7
18
76
470
1900
Rt (Ω): Recommended Terminating Resistance
Is (A): sec. current
F(Hz): Frequency
Sec DCR
(Ω MAX)
0.5
2.0
4.5
16.0
50.0
Vx
τ
(MAX)
175
µVS
350
µVS
700
µVS
1750
µVS
3500
µVS
* Contact Pulse for availability
Mechanicals
FISXXX
1
.197
5,00
.492
12,50
Sec.
.591
15,00
Schematics
3
2
1
4*
5
Pr
im
.
.591
15,00
2
.295
7,50
.693
MAX
17,60
3
.118
3,00
5
Pins 3 & 5
Part Number
Date Code
Country of Origin
1,2 mm
0,5 mm
FIS105NL/15NL/25NL/55NL FIS1105NL
Weight
.......................7.0 grams ....................8.0 grams
Tray
................................30/tray ........................34/tray
Inches
mm
.020
Unless otherwise specified, all tolerances are
±
0,50
Dimension:
.472
12,00
Pins 1 & 2
Stand off
For More Information
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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, 2016. Pulse Electronics, Inc. All rights reserved.
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