P537.C (12/13)1 pulseelectronics.com
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
Mechanical Schematic
Part No. RoHS Compliant Prim/Sec Sec L Sec DCR V x t
Part No. Ratio (mH MIN) (Ω MAX) (MAX)
FIS105 FIS105NL 1:50 4.7 0.5 175 µVS
FIS115 FIS115NL 1:100 18 2.0 350 µVS
FIS125 FIS125NL 1:200 76 4.5 700 µVS
FIS155 FIS155NL 1:500 470 16.0 1750 µVS
FIS1105 _ 1:1000 1900 50.0 3500 µVS
Electrical Specifications @ 25°C- Operating Temperature -40°C to +125°C
NOTES:
L: Inductance: (2-1) tested at 10kHz & 10mV
V x t: V = Rt x Is t =
Rt (Ω): Recommended Terminating Resistance
Is (A): Sec. Current F(Hz): Frequency
1
2F
Bottom View
Side View
Pins 3 & 5 Æ 1,2 mm
Pins 1 & 2 0,5 mm
Stand off
Dimensions: Inches
mm
Unless otherwise specified, all tolerances are ± .020
0,50
FIS105/15/25/55 FIS1105
Weight ..........................................7.0 grams ........................ 8.0 grams
Tray ................................................. 30/tray ............................34/tray
For More Information
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Performance warranty of products oered 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, 2013. Pulse Electronics, Inc. All rights reserved.
