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
Part No.
RoHS Compliant
Part No.
FIS105NL
FIS115NL
FIS125NL
FIS155NL
_
Prim/Sec
Ratio
1:50
1:100
1:200
1:500
1:1000
Sec L
(mH MIN)
4.7
18
76
470
1900
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
FIS105
FIS115
FIS125
FIS155
FIS1105
NOTES:
L: Inductance: (2-1) tested at 10kHz & 10mV
V x
τ
: V = Rt x Is
1
τ
=
2F
Rt (Ω): Recommended Terminating Resistance
Is (A): Sec. Current
F(Hz): Frequency
Mechanical
.591
15,00
Schematic
1
.197
5,00
4*
5
Pr
im
.
.591
15,00
.492
12,50
3
5
2
1
Sec.
2
.295
7,50
.693 MAX
17,60
3
.118
3,00
Pins 3 & 5
∅
1,2 mm
Date Code
Country of Origin
Part Number
.472 MAX
12,00
Pins 1 & 2
Stand off
0,5 mm
FIS105/15/25/55
FIS1105
Weight
......................7.0 grams .............8.0 grams
Tray
...............................30/tray ..................34/tray
Dimensions:
Inches
mm
Unless otherwise specified, all tolerances are ± .020
0,50
For More Information:
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Headquarters
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U.S.A.
www.pulseeng.com
TEL: 858 674 8100
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Germany
Tel: 49 7032 7806 116
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Headquarters
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China
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China
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KA Centre
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Taiwan, R. O. C.
Tel: 886 3 4641811
Fax: 886 3 4641911
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.
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