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
RoHS Compliant
Part No.
Prim/Sec
Ratio
Sec L
(mH MIN)
Sec DCR
(Ω MAX)
V x τ
Part No.
(MAX)
FIS105
FIS115
FIS125
FIS155
FIS1105
FIS105NL
FIS115NL
FIS125NL
FIS155NL
_
1:50
1:100
1:200
1:500
1:1000
4.7
18
0.5
175 μVS
350 μVS
700 μVS
1750 μVS
3500 μVS
2.0
76
4.5
470
1900
16.0
50.0
NOTES:
L: Inductance: (2-1) tested at 10kHz & 10mV
Rt (Ω): Recommended Terminating Resistance
Is (A): Sec. Current F(Hz): Frequency
1
2F
V x τ: V = Rt x Is
τ =
Schematic
Mechanical
.591
15,00
1
2
4*
.197
5,00
5
2
1
3
5
.492
12,50
.591
15,00
3
.295
7,50
.118
3,00
.693
17,60
MAX
FIS105/15/25/55
Weight ......................7.0 grams .............8.0 grams
Tray ...............................30/tray..................34/tray
FIS1105
Pins 3 & 5 ∅ 1,2 mm
.472
12,00
Part Number
Date Code
Country of Origin
Pins 1 & 2
Stand off
0,5 mm
MAX
Inches
mm
Dimensions:
.020
0,50
Unless otherwise specified, all tolerances are
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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
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P537.A (8/06)