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CKSR Board Mount Current Transducers

LEM CKSR Board Mount Current Transducers are designed for precise electronic measurement of DC, AC, and pulsed currents, ranging from 1.5A to 75A RMS, while ensuring galvanic isolation between the primary and secondary circuits. These compact, Fluxgate-based transducers operate on a single +5V supply, offering low offset and gain drift, with a measuring range extending up to three times the nominal primary current (Ipn). Additionally, the LEM CKSR sensors are designed for PCB mounting, making them convenient for integration into various systems.

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CAD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	ECAD Model	Current Rating	Sensor Type	Response Time	Accuracy	Frequency Range	Operating Supply Voltage	Output Type	Maximum Operating Temperature	Minimum Operating Temperature	Supply Voltage - Max	Supply Voltage - Min	Type
	Board Mount Current Sensors Current transducer CKSR xx-NP CKSR 50-NP LEM 1: $24.52 607In Stock New Product	Mfr. Part # CKSR 50-NP Mouser Part # 61-CKSR50-NP New Product	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	607In Stock	$24.52 $22.19 $20.62 $18.72 View $17.40 $16.17 $16.14 $14.99 $14.39	Min.: 1 Mult.: 1			50 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current transducer CKSR xx-NP CKSR 25-NP LEM 1: $22.55 113In Stock 400Expected 2026-10-07 New Product	Mfr. Part # CKSR 25-NP Mouser Part # 61-CKSR25-NP New Product	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	113In Stock 400Expected 2026-10-07	$22.55 $20.17 $18.75 $17.02 View $15.81 $14.70 $14.67 $13.29 $12.96	Min.: 1 Mult.: 1			25 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current transducer CKSR xx-NP CKSR 15-NP LEM 1: $18.49 3,665On Order New Product	Mfr. Part # CKSR 15-NP Mouser Part # 61-CKSR15-NP New Product	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	3,665On Order On Order Ship Dates Mfr. #: CKSR 15-NP Stock: 0 On Order: 1,265 Expected 2026-10-06 600 Expected 2026-10-26 1,800 Expected 2026-10-27 Factory Lead-Time: 11 Weeks	$18.49 $16.73 $16.08 $15.31 View $14.79 $13.85 $13.84 $13.22 $12.95	Min.: 1 Mult.: 1			15 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current transducer CKSR xx-NP CKSR 6-NP LEM 1: $19.96 580On Order New Product	Mfr. Part # CKSR 6-NP Mouser Part # 61-CKSR6-NP New Product	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	580On Order On Order Ship Dates Mfr. #: CKSR 6-NP Stock: 0 On Order: 380 Expected 2026-10-27 200 Expected 2026-10-29 Factory Lead-Time: 11 Weeks	$19.96 $18.07 $17.38 $16.55 View $15.88 $14.82 $14.80 $13.88	Min.: 1 Mult.: 1			6 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current Transducer CKSR 75-NP. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation betweenthe primary and the secondary circuit. CKSR 75-NP LEM 1: $26.81 364Expected 2026-10-06 New Product	Mfr. Part # CKSR 75-NP Mouser Part # 61-CKSR75-NP New Product	LEM	Board Mount Current Sensors Current Transducer CKSR 75-NP. For the electronic measurement of current: DC, AC, pulsed, with galvanic separation betweenthe primary and the secondary circuit. Learn More about LEM cksr transducers	Datasheet	364Expected 2026-10-06	$26.81 $24.36 $23.46 $22.03 View $20.85 $19.74 $19.73 $18.72 Quote	Min.: 1 Mult.: 1			75 A	Closed Loop	300 ps	1 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors CKSR 25-NP/SP3 LEM 200: $13.49 Non-Stocked New Product	Mfr. Part # CKSR 25-NP/SP3 Mouser Part # 61-CKSR25-NP/SP3 New Product	LEM	Board Mount Current Sensors Learn More about LEM cksr transducers	Datasheet	Non-Stocked	$13.49 $13.31 $13.19	Min.: 200 Mult.: 200			25 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors CKSR 50-NP/SP1 LEM 200: $14.75 Non-Stocked New Product	Mfr. Part # CKSR 50-NP/SP1 Mouser Part # 61-CKSR50-NP/SP1 New Product	LEM	Board Mount Current Sensors Learn More about LEM cksr transducers	Datasheet	Non-Stocked	$14.75 $14.59 $14.52	Min.: 200 Mult.: 200			50 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 105 C	- 40 C	5.25 V	4.75 V	Current Transducer