Current Sense Transformers

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Frequency Range	Type	Inductance	ET (Volt-Time)	Turns Ratio - Primary:Secondary	Current Ratio	DC Resistance (DCR)	Ratings	Mounting Type	Size / Dimension	Height - Seated (Max)	Termination Style
FIS115NL CURR SENSE XFMR 1:100 25A T/H Pulse Electronics	994 In Stock	1 : $3.11000 Tube	FIS 1X5	Tube	Active	500kHz Max	Invasive	18 mH	350VµS	1:100	-	2Ohm Max	-	Through Hole	0.693" L x 0.591" W (17.60mm x 15.00mm)	0.492" (12.50mm)	PC Pin
FIS125NL CURR SENSE XFMR 1:200 25A T/H Pulse Electronics	8,025 In Stock	1 : $3.68000 Tube	FIS 1X5	Tube	Active	500kHz Max	Invasive	76 mH	700VµS	1:200	-	4.5Ohm Max	-	Through Hole	0.693" L x 0.591" W (17.60mm x 15.00mm)	0.492" (12.50mm)	PC Pin
FIS155NL CURR SENSE XFMR 1:500 25A T/H Pulse Electronics	566 In Stock	1 : $4.85000 Tube	FIS 1X5	Tube	Active	500kHz Max	Invasive	470 mH	1750VµS	1:500	-	16Ohm Max	-	Through Hole	0.693" L x 0.591" W (17.60mm x 15.00mm)	0.492" (12.50mm)	PC Pin
FIS105NL CURR SENSE XFMR 1:50 25A T/H Pulse Electronics	692 In Stock	1 : $4.08000 Tube	FIS 1X5	Tube	Active	500kHz Max	Invasive	4.7 mH	175VµS	1:50	-	500mOhm Max	-	Through Hole	0.693" L x 0.591" W (17.60mm x 15.00mm)	0.492" (12.50mm)	PC Pin

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Current Sense Transformers are designed to detect and measure current flow in an isolated conductor or a primary winding and produce a proportional alternating current in a secondary winding. The frequency range is 2 Hz to 1 MHz with a current rating of 125 mA to 4000 A. The three types are Invasive, Non-Invasive (Solid Core), and Non-Invasive (Split Core).