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4 mm Sensors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL2104J3950B1F Eaton Electronics 1: $0.36 1,603In Stock	Mfr. Part No. NRL2104J3950B1F Mouser Part No 504-NRL2104J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,603In Stock	$0.36 $0.338 $0.315 $0.299 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL2105F3950B1F Eaton Electronics 1: $0.51 1,858In Stock	Mfr. Part No. NRL2105F3950B1F Mouser Part No 504-NRL2105F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,858In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL2105J3950B1F Eaton Electronics 1: $0.44 1,843In Stock	Mfr. Part No. NRL2105J3950B1F Mouser Part No 504-NRL2105J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,843In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL2504F3950B1F Eaton Electronics 1: $0.51 1,990In Stock	Mfr. Part No. NRL2504F3950B1F Mouser Part No 504-NRL2504F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,990In Stock	$0.51 $0.476 $0.444 $0.422 View $0.367 $0.351 $0.343	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL2504J3950B1F Eaton Electronics 1: $0.36 1,985In Stock	Mfr. Part No. NRL2504J3950B1F Mouser Part No 504-NRL2504J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,985In Stock	$0.36 $0.338 $0.315 $0.299 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B NRL3104F3435B2F Eaton Electronics 1: $0.64 627In Stock	Mfr. Part No. NRL3104F3435B2F Mouser Part No 504-NRL3104F3435B2F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	627In Stock	$0.64 $0.603 $0.564 $0.537 View $0.469 $0.449 $0.439	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL3104F3950B1F Eaton Electronics 1: $0.64 267In Stock	Mfr. Part No. NRL3104F3950B1F Mouser Part No 504-NRL3104F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	267In Stock	$0.64 $0.605 $0.566 $0.564 View $0.45 $0.44	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B NRL3104J3380B1F Eaton Electronics 1: $0.57 1,682In Stock	Mfr. Part No. NRL3104J3380B1F Mouser Part No 504-NRL3104J3380B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3380 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,682In Stock	$0.57 $0.537 $0.478 $0.461 View $0.404 $0.393 $0.341 $0.329 $0.296	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B NRL3104J3435B2F Eaton Electronics 1: $0.63 759In Stock	Mfr. Part No. NRL3104J3435B2F Mouser Part No 504-NRL3104J3435B2F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3435 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	759In Stock	$0.63 $0.592 $0.535 $0.516 View $0.446 $0.44 $0.381 $0.356 $0.328	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL3105J3950B1F Eaton Electronics 1: $0.44 1,943In Stock	Mfr. Part No. NRL3105J3950B1F Mouser Part No 504-NRL3105J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,943In Stock	$0.44 $0.41 $0.382 $0.363 View $0.315 $0.301 $0.294 $0.27	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B NRL3504J3950B1F Eaton Electronics 1: $0.36 1,990In Stock	Mfr. Part No. NRL3504J3950B1F Mouser Part No 504-NRL3504J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 50K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,990In Stock	$0.36 $0.338 $0.315 $0.299 $0.27	Min.: 1 Mult.: 1
Proximity Sensors 1 Form A Cylindrical Term. MK14-1A66B-200W MEDER electronic 1: $6.13 216In Stock 500Expected 11/02/2027	Mfr. Part No. MK14-1A66B-200W Mouser Part No 876-MK14-1A66B-200W	MEDER electronic	Proximity Sensors 1 Form A Cylindrical Term. Learn More about MEDER electronic meder mk reed sensors	Datasheet	216In Stock 500Expected 11/02/2027	$6.13 $6.04 $4.56 $4.18 View $3.76 $3.50 $3.48	Min.: 1 Mult.: 1
Board Mount Current Sensors High Power Density 200A, 5V Current Sensor in QFN Package ACS37220LEZATR-200B5 Allegro MicroSystems 1: $3.09 11,944Expected 08/01/2027	Mfr. Part No. ACS37220LEZATR-200B5 Mouser Part No 250-LEZATR-200B5	Allegro MicroSystems	Board Mount Current Sensors High Power Density 200A, 5V Current Sensor in QFN Package Learn More about Allegro MicroSystems allegro acs37220 sensors	Datasheet	11,944Expected 08/01/2027	$3.09 $2.76 $2.49 $2.39 View $2.29 $2.04 $1.91 $1.85 $1.84	Min.: 1 Mult.: 1
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B NRL3105F3950B1F Eaton Electronics 1: $0.64 1,670In Stock	Mfr. Part No. NRL3105F3950B1F Mouser Part No 504-NRL3105F3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 100K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	1,670In Stock	$0.64 $0.603 $0.564 $0.537 View $0.469 $0.449 $0.439	Min.: 1 Mult.: 1
Board Mount Current Sensors 3.3V Hall current sensor. 2.5% accuracy. 3kV Isolation MCS1806GS-3-05-Z Monolithic Power Systems (MPS) 1: $3.88 27,474On Order	Mfr. Part No. MCS1806GS-3-05-Z Mouser Part No 946-MCS1806GS-3-05-Z	Monolithic Power Systems (MPS)	Board Mount Current Sensors 3.3V Hall current sensor. 2.5% accuracy. 3kV Isolation Learn More about Monolithic Power Systems (MPS) mps mcs1806 current sensors	Datasheet	27,474On Order On Order Ship Dates Mfr. No: MCS1806GS-3-05-Z Stock: 0 On Order: 2,474 Expected 06/11/2026 5,000 Expected 13/11/2026 20,000 Expected 27/11/2026 Factory Lead Time: 57 Weeks	Cut Tape $3.88 $3.34 $3.07 $2.73 View Reel $2.09 $2.57 $2.26 $2.18 $2.09	Min.: 1 Mult.: 1 : 2,500
Board Mount Current Sensors High Power Density 150A, 3.3V Current Sensor in QFN Package ACS37220LEZATR-150B3 Allegro MicroSystems 1: $3.27 6,865On Order	Mfr. Part No. ACS37220LEZATR-150B3 Mouser Part No 250-LEZATR-150B3	Allegro MicroSystems	Board Mount Current Sensors High Power Density 150A, 3.3V Current Sensor in QFN Package Learn More about Allegro MicroSystems allegro acs37220 sensors	Datasheet	6,865On Order On Order Ship Dates Mfr. No: ACS37220LEZATR-150B3 Stock: 0 On Order: 865 Expected 04/01/2027 6,000 Expected 08/01/2027 Factory Lead Time: 10 Weeks	$3.27 $2.92 $2.64 $2.53 View $2.43 $2.22 $2.03 $1.93 $1.89	Min.: 1 Mult.: 1
Board Mount Current Sensors Linear Hall-Effect Current Sensor with OCD 3kVRMS Isolation, 580VRMS Working Voltage, AEC-Q100 Qualified MCQ1805GS-310-BAEC-P Monolithic Power Systems (MPS) 1: $4.37 5,020Expected 18/06/2027 New Product	Mfr. Part No. MCQ1805GS-310-BAEC-P Mouser Part No 946-MCQ1805S310BAECP New Product	Monolithic Power Systems (MPS)	Board Mount Current Sensors Linear Hall-Effect Current Sensor with OCD 3kVRMS Isolation, 580VRMS Working Voltage, AEC-Q100 Qualified Learn More about Monolithic Power Systems (MPS) mps mcq1805 current sensors	Datasheet	5,020Expected 18/06/2027	$4.37 $3.92 $3.55 $3.41 View $3.25 $2.85 $2.71 $2.62	Min.: 1 Mult.: 1
Board Mount Current Sensors 3.3V Hall current sensor. 1.5% accuracy. 2.4kV Isolation MCS1802GS-05-P Monolithic Power Systems (MPS) 1: $3.89 4,500On Order	Mfr. Part No. MCS1802GS-05-P Mouser Part No 946-MCS1802GS-05-P	Monolithic Power Systems (MPS)	Board Mount Current Sensors 3.3V Hall current sensor. 1.5% accuracy. 2.4kV Isolation Learn More about Monolithic Power Systems (MPS) mps mcs180x sensors	Datasheet	4,500On Order On Order Ship Dates Mfr. No: MCS1802GS-05-P Stock: 0 On Order: 500 Expected 02/03/2027 1,500 Expected 13/04/2027 2,500 Expected 10/08/2027 Factory Lead Time: 64 Weeks	Cut Tape $3.89 $3.48 $3.27 $2.82 $2.66 Reel $2.29	Min.: 1 Mult.: 1 : 500
Board Mount Current Sensors 5V Hall current sensor. 1.5% accuracy. 2.4kV Isolation MCS1803GS-10-Z Monolithic Power Systems (MPS) 1: $3.21 5,000Expected 02/12/2026	Mfr. Part No. MCS1803GS-10-Z Mouser Part No 946-MCS1803GS-10-Z	Monolithic Power Systems (MPS)	Board Mount Current Sensors 5V Hall current sensor. 1.5% accuracy. 2.4kV Isolation Learn More about Monolithic Power Systems (MPS) mps mcs180x sensors	Datasheet	5,000Expected 02/12/2026	Cut Tape $3.21 $2.86 $2.58 $2.48 View Reel $1.88 $2.38 $2.12 $2.05 $1.88	Min.: 1 Mult.: 1 : 2,500
Board Mount Current Sensors 3.3V Hall current sensor. 2.5% accuracy. 3kV Isolation MCS1806GS-3-10-P Monolithic Power Systems (MPS) 1: $3.82 1,500On Order	Mfr. Part No. MCS1806GS-3-10-P Mouser Part No 946-MCS1806GS-3-10-P	Monolithic Power Systems (MPS)	Board Mount Current Sensors 3.3V Hall current sensor. 2.5% accuracy. 3kV Isolation Learn More about Monolithic Power Systems (MPS) mps mcs1806 current sensors	Datasheet	1,500On Order	Cut Tape $3.82 $3.42 $3.09 $2.96 $2.80 Reel $2.48	Min.: 1 Mult.: 1 : 500
NTC (Negative Temperature Coefficient) Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A Vishay / BC Components NTCLE203E3103SB0A NTCLE203E3103SB0A Vishay / BC Components 1: $1.77 800Expected 10/11/2026 New Product	Mfr. Part No. NTCLE203E3103SB0A Mouser Part No 594-NTCLE23E313SB New Product	Vishay / BC Components	NTC (Negative Temperature Coefficient) Thermistors NTC NI 0.5 LEAD 10K SPECIAL TOL blk E3 A	Datasheet	800Expected 10/11/2026	$1.77 $1.33 $1.07 $1.00 View $0.975 $0.819 $0.754 $0.695	Min.: 1 Mult.: 1
Board Mount Current Sensors 3kVRMS Isolated Hall-Effect Current Sensor with 500VRMS Working Voltage and 2.5% Accuracy, AEC-Q100 Qualified MCQ1806GS-3-05-AEC1-P Monolithic Power Systems (MPS) 1: $5.22 500Expected 31/03/2027	Mfr. Part No. MCQ1806GS-3-05-AEC1-P Mouser Part No 946-MCQ1806GS-3-05-P	Monolithic Power Systems (MPS)	Board Mount Current Sensors 3kVRMS Isolated Hall-Effect Current Sensor with 500VRMS Working Voltage and 2.5% Accuracy, AEC-Q100 Qualified Learn More about Monolithic Power Systems (MPS) mps mcq1806 sensors	Datasheet	500Expected 31/03/2027	Cut Tape $5.22 $4.41 $4.09 $3.45 $3.21 Reel $2.74	Min.: 1 Mult.: 1 : 500
Board Mount Current Sensors 3.3V Hall current sensor. 2.5% accuracy. 3kV Isolation MCS1806GS-3-50-P Monolithic Power Systems (MPS) 1: $3.82 498Expected 08/12/2026	Mfr. Part No. MCS1806GS-3-50-P Mouser Part No 946-MCS1806GS-3-50-P	Monolithic Power Systems (MPS)	Board Mount Current Sensors 3.3V Hall current sensor. 2.5% accuracy. 3kV Isolation Learn More about Monolithic Power Systems (MPS) mps mcs1806 current sensors	Datasheet	498Expected 08/12/2026	Cut Tape $3.82 $3.42 $3.09 $2.96 $2.80 Reel $2.48	Min.: 1 Mult.: 1 : 500
NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B NRL3104J3950B1F Eaton Electronics 1: $0.46 2,000On Order	Mfr. Part No. NRL3104J3950B1F Mouser Part No 504-NRL3104J3950B1F	Eaton Electronics	NTC (Negative Temperature Coefficient) Thermistors Single ended, Epoxy NTC, 10K ohm, 3950 B Learn More about Eaton Electronics eaton nrl ntc thermistors	Datasheet	2,000On Order	$0.46 $0.435 $0.405 $0.385 View $0.334 $0.319 $0.311 $0.287	Min.: 1 Mult.: 1
Photoelectric Sensors 530mm DIFFUSE D/ON PNP M3 MTG E3T-FD14M Omron Automation and Safety 1: $185.85 Non-Stocked	Mfr. Part No. E3T-FD14M Mouser Part No 653-E3T-FD14M	Omron Automation and Safety	Photoelectric Sensors 530mm DIFFUSE D/ON PNP M3 MTG	Datasheet	Non-Stocked	$185.85 $152.32 $149.27 $147.61 View $146.45 Quote	Min.: 1 Mult.: 1

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