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Magnetic Speed Sensor ICs

Allegro MicroSystems Magnetic Speed Sensor ICs offer a comprehensive portfolio covering the full range of speed and speed with direction sensor ICs. These products include a two- and three-wire interface, a magnetic encoder (ring magnet) and gear tooth sensing, Hall and GMR technology, and ASIL-compliant options for transmission, wheel speed, engine, e-motors, and many more encoder and gear tooth sensing applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Board Mount Hall Effect/Magnetic Sensors HIGHEST ACCURACY PROGRAMMABLE LINEAR HALL EFFECT SENSOR IC WITH REVERSE BATTER PROTECTION ACS70311LKTATN-2P5B5-C Allegro MicroSystems 1: £4.68 6,448In Stock	Mfr. Part No. ACS70311LKTATN-2P5B5-C Mouser Part No 250-70311LKTATN2P5B5	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors HIGHEST ACCURACY PROGRAMMABLE LINEAR HALL EFFECT SENSOR IC WITH REVERSE BATTER PROTECTION Learn More about Allegro MicroSystems allegro acs70310 acs70311 sensor ics	Datasheet	6,448In Stock	Cut Tape £4.68 £3.95 £3.67 £3.09 View Reel £2.52 £2.87 £2.58 £2.52 £2.52 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR ACS724KMATR-30AB-T Allegro MicroSystems 1: £2.85 6,831In Stock	Mfr. Part No. ACS724KMATR-30AB-T Mouser Part No 250-724KMATR30ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR Learn More about Allegro MicroSystems allegro acs724 acs725 current sensors	Datasheet	6,831In Stock	Cut Tape £2.85 £2.61 £2.44 £2.33 Reel £2.04 View £2.23 £2.11 £1.97 £1.92 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Motor/Motion/Ignition Controllers & Drivers DMOS FULL BRIDGE PWM MOTOR DRIVER A4950KLJTR-T Allegro MicroSystems 1: £2.49 10,259In Stock	Mfr. Part No. A4950KLJTR-T Mouser Part No 250-A4950KLJTR-T	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers DMOS FULL BRIDGE PWM MOTOR DRIVER Learn More about Allegro MicroSystems allegro a4950 pwm motor controllers	Datasheet	10,259In Stock	Cut Tape £2.49 £1.87 £1.71 £1.55 Reel £1.32 View £1.47 £1.44 £1.41 £1.22 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURR ACS722LLCTR-10AB-T Allegro MicroSystems 1: £3.61 7,633In Stock	Mfr. Part No. ACS722LLCTR-10AB-T Mouser Part No 250-722LLCTR10ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURR Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	7,633In Stock	Cut Tape £3.61 £3.34 £3.06 £2.85 View Reel £2.40 £2.75 £2.55 £2.50 £2.48 £2.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect/Magnetic Sensors 1D LINEAR HALL SENSOR, 5V,ANALOG OUT, SOT23W-3, 9MV/G, AUTO A1309LLHLX-9-T Allegro MicroSystems 1: £1.25 23,662In Stock	Mfr. Part No. A1309LLHLX-9-T Mouser Part No 250-A1309LLHLX-9-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors 1D LINEAR HALL SENSOR, 5V,ANALOG OUT, SOT23W-3, 9MV/G, AUTO Learn More about Allegro MicroSystems allegro a1308 a1309 hall effect sensor ics	Datasheet	23,662In Stock	Cut Tape £1.25 £1.10 £0.995 £0.943 View Reel £0.625 £0.908 £0.826 £0.796 £0.759 £0.625 £0.625 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR ACS724KMATR-65AB-T Allegro MicroSystems 1: £3.42 6,191In Stock	Mfr. Part No. ACS724KMATR-65AB-T Mouser Part No 250-724KMATR65ABT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR Learn More about Allegro MicroSystems allegro acs724 acs725 current sensors	Datasheet	6,191In Stock	Cut Tape £3.42 £3.07 £2.78 £2.67 Reel £2.30 View £2.58 £2.38 £2.19 £2.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect/Magnetic Sensors MICROPOWER HALL EFFECT SW A3211ELHLT-T Allegro MicroSystems 1: £0.811 33,445In Stock 6,000Expected 12/11/2026	Mfr. Part No. A3211ELHLT-T Mouser Part No 250-A3211ELHLT-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors MICROPOWER HALL EFFECT SW Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	33,445In Stock 6,000Expected 12/11/2026	Cut Tape £0.811 £0.711 £0.633 £0.603 View Reel £0.40 £0.577 £0.523 £0.504 £0.476 £0.40 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Motor/Motion/Ignition Controllers & Drivers 40V 2A MICROSTEPPING MOTOR DRIVER IC A5984GLPTR-T Allegro MicroSystems 1: £1.78 138,020In Stock	Mfr. Part No. A5984GLPTR-T Mouser Part No 250-A5984GLPTR-T	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers 40V 2A MICROSTEPPING MOTOR DRIVER IC Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	138,020In Stock	Cut Tape £1.78 £1.41 £1.23 £1.15 View Reel £1.05 £1.13 £1.11 £1.10 £1.05 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Hall Effect/Magnetic Sensors 3D LINEAR HALL EFFECT SENSOR IM DFN 2000G ALS31300EEJASR-2000 Allegro MicroSystems 1: £1.22 20,843In Stock	Mfr. Part No. ALS31300EEJASR-2000 Mouser Part No 250-31300EEJASR2000	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors 3D LINEAR HALL EFFECT SENSOR IM DFN 2000G Learn More about Allegro MicroSystems allegro als31300 sensors	Datasheet	20,843In Stock	Cut Tape £1.22 £1.09 £0.978 £0.934 View Reel £0.593 £0.89 £0.811 £0.788 £0.78 £0.593 MouseReel Available	Min.: 1 Mult.: 1 : 6,000
Board Mount Current Sensors For New Designs Use ACS725KMA or ACS37002 ACS718KMATR-20B-T Allegro MicroSystems 1: £5.02 5,933In Stock	Mfr. Part No. ACS718KMATR-20B-T Mouser Part No 250-718KMATR20BT	Allegro MicroSystems	Board Mount Current Sensors For New Designs Use ACS725KMA or ACS37002 Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	5,933In Stock	Cut Tape £5.02 £4.53 £4.12 £3.97 Reel £2.98 View £3.83 £3.55 £2.95 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR ACS781LLRTR-100U-T Allegro MicroSystems 1: £5.39 11,121In Stock	Mfr. Part No. ACS781LLRTR-100U-T Mouser Part No 250-781LLRTR100UT	Allegro MicroSystems	Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	11,121In Stock	Cut Tape £5.39 £4.86 £4.43 £4.26 View Reel £3.20 £4.11 £3.82 £3.75 £3.27 £3.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect/Magnetic Sensors ULTRA SENSITIVE DUEL CHANNEL BIPOLAR SWITCH A1230LK-T Allegro MicroSystems 1: £1.68 14,846In Stock	Mfr. Part No. A1230LK-T Mouser Part No 250-A1230LK-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors ULTRA SENSITIVE DUEL CHANNEL BIPOLAR SWITCH Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	14,846In Stock	£1.68 £1.49 £1.34 £1.29 View £1.24 £1.13 £1.11 £1.07 £0.952	Min.: 1 Mult.: 1
Board Mount Motion & Position Sensors ROTARY ON & OFF-AXIS ANGLE SENSOR IC W/I2C, SPI, SENT OUT A1335LLETR-T Allegro MicroSystems 1: £3.03 9,567In Stock	Mfr. Part No. A1335LLETR-T Mouser Part No 250-A1335LLETR-T	Allegro MicroSystems	Board Mount Motion & Position Sensors ROTARY ON & OFF-AXIS ANGLE SENSOR IC W/I2C, SPI, SENT OUT Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	9,567In Stock	Cut Tape £3.03 £2.80 £2.58 £2.51 View Reel £2.04 £2.43 £2.26 £2.20 £2.12 £2.04 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Gate Drivers BRUSHED DC GATE DRIVER A4955GESTR-T Allegro MicroSystems 1: £1.28 28,460In Stock	Mfr. Part No. A4955GESTR-T Mouser Part No 250-A4955GESTR-T	Allegro MicroSystems	Gate Drivers BRUSHED DC GATE DRIVER Learn More about Allegro MicroSystems allegro a4955 gate drivers	Datasheet	28,460In Stock	Cut Tape £1.28 £0.943 £0.856 £0.766 Reel £0.636 View £0.714 £0.687 £0.654 £0.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Motor/Motion/Ignition Controllers & Drivers COMMERCIAL VERSION OF 3930 AMT49413GEVATR Allegro MicroSystems 1: £3.68 21,085In Stock	Mfr. Part No. AMT49413GEVATR Mouser Part No 250-AMT49413GEVATR	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers COMMERCIAL VERSION OF 3930 Learn More about Allegro MicroSystems allegro brushless dc drivers	Datasheet	21,085In Stock	Cut Tape £3.68 £2.79 £2.58 £2.33 Reel £2.09 View £2.23 £2.02 £1.89 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect/Magnetic Sensors LOW NOISE VERY HIGH PRECISION PROGRAMMABLE IC ACS70310LKTATN-001B5-C Allegro MicroSystems 1: £3.69 6,929In Stock	Mfr. Part No. ACS70310LKTATN-001B5-C Mouser Part No 250-70310LKTATN1B5C	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors LOW NOISE VERY HIGH PRECISION PROGRAMMABLE IC Learn More about Allegro MicroSystems allegro acs70310 acs70311 sensor ics	Datasheet	6,929In Stock	Cut Tape £3.69 £3.32 £2.83 £2.46 £2.12 Reel £2.09 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT ACS72981LLRATR-050B5 Allegro MicroSystems 1: £4.56 6,709In Stock	Mfr. Part No. ACS72981LLRATR-050B5 Mouser Part No 250-72981LLRATR050B5	Allegro MicroSystems	Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT Learn More about Allegro MicroSystems allegro current sensors	Datasheet	6,709In Stock	Cut Tape £4.56 £4.09 £3.73 £3.58 View Reel £2.97 £3.46 £3.20 £3.11 £2.98 £2.97 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect/Magnetic Sensors CONTINUOUS TIME HALL EFFECT UNIPOLAR SWITCH A1103LLHLX-T Allegro MicroSystems 1: £1.41 19,465In Stock	Mfr. Part No. A1103LLHLX-T Mouser Part No 250-A1103LLHLX-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors CONTINUOUS TIME HALL EFFECT UNIPOLAR SWITCH Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	19,465In Stock	Cut Tape £1.41 £1.25 £1.00 £0.856 View Reel £0.732 £0.849 £0.732 £0.732 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Board Mount Motion & Position Sensors PROGRAMMABLE ROTARY ANGLE SENSOR W/ANALOG AND PWM OUTPUT A1330LLETR-T Allegro MicroSystems 1: £1.77 21,926In Stock	Mfr. Part No. A1330LLETR-T Mouser Part No 250-A1330LLETR-T	Allegro MicroSystems	Board Mount Motion & Position Sensors PROGRAMMABLE ROTARY ANGLE SENSOR W/ANALOG AND PWM OUTPUT Learn More about Allegro MicroSystems allegro 2d angle position sensor ics	Datasheet	21,926In Stock	Cut Tape £1.77 £1.74 £1.70 £1.57 View Reel £1.41 £1.52 £1.42 £1.41 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Motor/Motion/Ignition Controllers & Drivers 3 PHASE BRUSHLESS DC MOTOR PRE-DRIVER A4931METTR-T Allegro MicroSystems 1: £1.97 13,352In Stock	Mfr. Part No. A4931METTR-T Mouser Part No 250-A4931METTR-T	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers 3 PHASE BRUSHLESS DC MOTOR PRE-DRIVER Learn More about Allegro MicroSystems allegro a4931 dc motor predriver	Datasheet	13,352In Stock	Cut Tape £1.97 £1.47 £1.34 £1.20 Reel £1.04 View £1.13 £1.09 £1.05 £0.995 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 1,500
Motor/Motion/Ignition Controllers & Drivers A4979SLPTR-T A4979GLPTR-T Allegro MicroSystems 1: £2.78 16,784In Stock	Mfr. Part No. A4979GLPTR-T Mouser Part No 250-A4979GLPTR-T	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers A4979SLPTR-T Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	16,784In Stock	Cut Tape £2.78 £2.24 £2.10 £1.99 View Reel £1.80 £1.93 £1.92 £1.90 £1.80 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CS ACS723LLCTR-20AU-T Allegro MicroSystems 1: £4.13 5,697In Stock	Mfr. Part No. ACS723LLCTR-20AU-T Mouser Part No 250-723LLCTR20AUT	Allegro MicroSystems	Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CS Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	5,697In Stock	Cut Tape £4.13 £3.72 £3.37 £3.25 View Reel £2.60 £3.09 £2.89 £2.80 £2.65 £2.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Motor/Motion/Ignition Controllers & Drivers 8 INCH 3930 A3930KJPTR-T Allegro MicroSystems 1: £5.53 3,702In Stock	Mfr. Part No. A3930KJPTR-T Mouser Part No 250-A3930KJPTR-T	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers 8 INCH 3930 Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	3,702In Stock	Cut Tape £5.53 £4.27 £3.95 £3.61 Reel £3.17 View £3.46 £3.35 £2.98 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Board Mount Hall Effect/Magnetic Sensors CHOPPER STABILIZED PRECISION HALL EFFECT A1126LLHLX-T Allegro MicroSystems 1: £0.743 26,080In Stock	Mfr. Part No. A1126LLHLX-T Mouser Part No 250-A1126LLHLX-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors CHOPPER STABILIZED PRECISION HALL EFFECT Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	26,080In Stock	Cut Tape £0.743 £0.633 £0.576 £0.546 View Reel £0.418 £0.485 £0.443 £0.431 £0.418 £0.418 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Board Mount Hall Effect/Magnetic Sensors HALL EFFECT BI-POLAR SWITCH A1250LLHLX-T Allegro MicroSystems 1: £1.16 35,235In Stock	Mfr. Part No. A1250LLHLX-T Mouser Part No 250-A1250LLHLX-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors HALL EFFECT BI-POLAR SWITCH Learn More about Allegro MicroSystems allegro magnetic switch latch ics	Datasheet	35,235In Stock	Cut Tape £1.16 £1.03 £0.925 £0.882 View Reel £0.633 £0.841 £0.766 £0.738 £0.722 £0.633 £0.633 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

Magnetic Speed Sensor ICs

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Magnetic Speed Sensor ICs

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