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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 (EUR) 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 50-NP LEM 1: 13,20 € 165In Stock New At Mouser	Mfr. Part No. CAS 50-NP Mouser Part No 61-CAS50-NP New At Mouser	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	13,20 € 11,98 € 11,52 € 10,83 € View 10,47 € 10,11 € 9,81 € 9,62 €	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 6-NP LEM 1: 13,02 € 136In Stock 200Expected 12/8/2026 New At Mouser	Mfr. Part No. CAS 6-NP Mouser Part No 61-CAS6-NP New At Mouser	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	136In Stock 200Expected 12/8/2026	13,02 € 11,81 € 11,35 € 10,82 € View 10,45 € 9,76 € 9,74 € 8,99 € 8,84 €	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 25-NP LEM 1: 12,82 € 1.021Expected 12/16/2026 New At Mouser	Mfr. Part No. CAS 25-NP Mouser Part No 61-CAS25-NP New At Mouser	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	1.021Expected 12/16/2026	12,82 € 11,62 € 11,17 € 10,65 € View 10,28 € 9,64 € 9,63 € 8,93 € 8,69 €	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 15-NP LEM 1: 13,05 € 952On Order New At Mouser	Mfr. Part No. CAS 15-NP Mouser Part No 61-CAS15-NP New At Mouser	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	952On Order On Order Ship Dates Mfr. No: CAS 15-NP Stock: 0 On Order: 152 Expected 12/15/2026 400 Expected 4/6/2027 400 Expected 5/17/2027 Factory Lead Time: 31 Weeks	13,05 € 11,83 € 11,38 € 10,84 € View 10,47 € 9,77 € 9,75 € 9,37 € 9,31 €	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: 8,86 € Non-Stocked New Product	Mfr. Part No. CAS 15-NP/SP1 Mouser Part No 61-CAS15-NP/SP1 New Product	LEM	Board Mount Current Sensors Learn More about LEM cas current transducers	Datasheet	Non-Stocked	8,86 € 8,77 € 8,73 €	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: 8,86 € Non-Stocked New Product	Mfr. Part No. CAS 25-NP/SP1 Mouser Part No 61-CAS25-NP/SP1 New Product	LEM	Board Mount Current Sensors Learn More about LEM cas current transducers	Datasheet	Non-Stocked	8,86 € 8,77 € 8,73 €	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