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CAS Board Mount Current Transducers

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

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Select	Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) 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 CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CAS 25-NP LEM 1: $16.370 426In Stock New Product	Mfr. Part # CAS 25-NP Mouser Part # 61-CAS25-NP New Product	LEM	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. Learn More about LEM cas current transducers	Datasheet	426In Stock	$16.370 $14.833 $14.262 $13.593 View $13.121 $12.308 $12.297 $11.397 $11.100	Min.: 1 Mult.: 1			25 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 85 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CAS 6-NP LEM 1: $16.623 187In Stock 200Expected 11/13/2026 New Product	Mfr. Part # CAS 6-NP Mouser Part # 61-CAS6-NP New Product	LEM	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. Learn More about LEM cas current transducers	Datasheet	187In Stock 200Expected 11/13/2026	$16.623 $15.075 $14.493 $13.812 View $13.340 $12.462 $12.440 $11.474 $11.287	Min.: 1 Mult.: 1			6 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 85 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CAS 50-NP LEM 1: $16.854 165In Stock New Product	Mfr. Part # CAS 50-NP Mouser Part # 61-CAS50-NP New Product	LEM	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. Learn More about LEM cas current transducers	Datasheet	165In Stock	$16.854 $15.294 $14.713 $13.823 View $13.362 $12.912 $12.528 $12.286	Min.: 1 Mult.: 1			50 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 85 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. CAS 15-NP LEM 1: $16.656 552On Order New Product	Mfr. Part # CAS 15-NP Mouser Part # 61-CAS15-NP New Product	LEM	Board Mount Current Sensors Current Transducer CAS series. For the electronic measurement of current: DC, AC, pulsed..., with galvanic seperation between the primary and the secondary circuit. Learn More about LEM cas current transducers	Datasheet	552On Order On Order Ship Dates Mfr. #: CAS 15-NP Stock: 0 On Order: 152 Pending 400 Expected 4/6/2027 Factory Lead-Time: 22 Weeks	$16.656 $15.097 $14.526 $13.834 View $13.362 $12.473 $12.451 $11.968 $11.891	Min.: 1 Mult.: 1			15 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 85 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors CAS 15-NP/SP1 LEM 200: $11.309 Non-Stocked New Product	Mfr. Part # CAS 15-NP/SP1 Mouser Part # 61-CAS15-NP/SP1 New Product	LEM	Board Mount Current Sensors Learn More about LEM cas current transducers	Datasheet	Non-Stocked	$11.309 $11.199 $11.144	Min.: 200 Mult.: 200			15 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 85 C	- 40 C	5.25 V	4.75 V	Current Transducer
	Board Mount Current Sensors CAS 25-NP/SP1 LEM 200: $11.309 Non-Stocked New Product	Mfr. Part # CAS 25-NP/SP1 Mouser Part # 61-CAS25-NP/SP1 New Product	LEM	Board Mount Current Sensors Learn More about LEM cas current transducers	Datasheet	Non-Stocked	$11.309 $11.199 $11.144	Min.: 200 Mult.: 200			25 A	Closed Loop	300 ps	0.8 %	300 kHz	5 V	Digital, Analog	+ 85 C	- 40 C	5.25 V	4.75 V	Current Transducer