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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 (USD) 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: $14.19 475In Stock New At Mouser	Mfr. Part # CKSR 50-NP Mouser Part # 61-CKSR50-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	475In Stock	$14.19 $12.86 $11.78 $11.38 View $10.68 $10.19 $9.99	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 6-NP LEM 1: $13.86 A tariff of 15% may be applied if shipping to the United States. 194In Stock 1,200On Order New At Mouser	Mfr. Part # CKSR 6-NP Mouser Part # 61-CKSR6-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	194In Stock 1,200On Order On Order Ship Dates Mfr. #: CKSR 6-NP Stock: 194 Can Ship Immediately On Order: 400 Pending 800 Expected 12/29/2026 Factory Lead-Time: 12 Weeks	$13.86 $12.55 $11.49 $11.03 View $10.33 $9.85 $9.72 A tariff of 15% may be applied if shipping to the United States.	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 xx-NP CKSR 15-NP LEM 1: $12.84 A tariff of 15% may be applied if shipping to the United States. 4,815On Order New At Mouser	Mfr. Part # CKSR 15-NP Mouser Part # 61-CKSR15-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	4,815On Order On Order Ship Dates Mfr. #: CKSR 15-NP Stock: 0 On Order: 3,615 Expected 1/5/2027 1,200 Expected 3/23/2027 Factory Lead-Time: 18 Weeks	$12.84 $11.62 $10.63 $10.27 View $9.62 $9.18 $9.16 A tariff of 15% may be applied if shipping to the United States.	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 25-NP LEM 1: $13.84 1,513On Order New At Mouser	Mfr. Part # CKSR 25-NP Mouser Part # 61-CKSR25-NP New At Mouser	LEM	Board Mount Current Sensors Current transducer CKSR xx-NP Learn More about LEM cksr transducers	Datasheet	1,513On Order On Order Ship Dates Mfr. #: CKSR 25-NP Stock: 0 On Order: 313 Pending 200 Expected 11/23/2026 1,000 Expected 1/1/2027 Factory Lead-Time: 12 Weeks	$13.84 $12.53 $11.47 $11.02 View $10.32 $9.84 $9.47 Quote	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 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: $18.62 A tariff of 15% may be applied if shipping to the United States. 364On Order New At Mouser	Mfr. Part # CKSR 75-NP Mouser Part # 61-CKSR75-NP New At Mouser	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	364On Order	$18.62 $16.92 $15.54 $14.48 View $13.93 $13.28 Quote A tariff of 15% may be applied if shipping to the United States.	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: $10.27 A tariff of 15% may be applied if shipping to the United States. 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	$10.27 $9.79 $9.29 View Quote A tariff of 15% may be applied if shipping to the United States.	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: $11.30 A tariff of 15% may be applied if shipping to the United States. 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	$11.30 $10.77 $10.22 View Quote A tariff of 15% may be applied if shipping to the United States.	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