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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 (USD) 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: $6.23 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 $6.23 $5.25 $4.88 $4.12 View Reel $3.36 $3.83 $3.43 $3.36 $3.36 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR ACS724KMATR-30AB-T Allegro MicroSystems 1: $3.79 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 $3.79 $3.48 $3.25 $3.11 Reel $2.72 View $2.98 $2.81 $2.63 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Motor/Motion/Ignition Controllers & Drivers DMOS FULL BRIDGE PWM MOTOR DRIVER A4950KLJTR-T Allegro MicroSystems 1: $3.31 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 $3.31 $2.49 $2.28 $2.06 Reel $1.75 View $1.95 $1.92 $1.87 $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT ACS72981LLRATR-100U5 Allegro MicroSystems 1: $6.07 6,815In Stock	Mfr. Part No. ACS72981LLRATR-100U5 Mouser Part No 250-72981LLRATR100U5	Allegro MicroSystems	Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT Learn More about Allegro MicroSystems allegro current sensors	Datasheet	6,815In Stock	Cut Tape $6.07 $5.45 $4.95 $4.77 View Reel $3.46 $4.60 $4.26 $4.14 $3.96 $3.46 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: $1.66 23,642In 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	23,642In Stock	Cut Tape $1.66 $1.47 $1.32 $1.26 View Reel $0.832 $1.21 $1.10 $1.06 $1.01 $0.832 $0.832 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Board Mount Current Sensors HIGH ACCURACY GALVANICALLY ISOLATED CURR ACS722LLCTR-10AB-T Allegro MicroSystems 1: $4.81 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 $4.81 $4.45 $4.07 $3.79 View Reel $3.20 $3.66 $3.39 $3.33 $3.30 $3.20 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors 20A BI-DIRECTIONAL CURRENT SENSOR ACS712ELCTR-20A-T Allegro MicroSystems 1: $4.75 7,064In Stock 66,000On Order	Mfr. Part No. ACS712ELCTR-20A-T Mouser Part No 250-712ELCTR20AT	Allegro MicroSystems	Board Mount Current Sensors 20A BI-DIRECTIONAL CURRENT SENSOR Learn More about Allegro MicroSystems allegro 0a 50a sensor ics	Datasheet	7,064In Stock 66,000On Order On Order Ship Dates Mfr. No: ACS712ELCTR-20A-T Stock: 7,064 Can Dispatch Immediately On Order: 3,000 Expected 31/12/2026 27,000 Expected 04/02/2027 36,000 Expected 04/03/2027 Factory Lead Time: 36 Weeks	Cut Tape $4.75 $4.00 $3.72 $3.15 View Reel $2.51 $2.96 $2.71 $2.62 $2.57 $2.51 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Current Sensors HIGH ACCURACY, 3.3V CURRENT SENSOR ACS724KMATR-65AB-T Allegro MicroSystems 1: $4.56 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 $4.56 $4.09 $3.70 $3.56 Reel $3.06 View $3.43 $3.17 $2.92 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Hall Effect/Magnetic Sensors MICROPOWER HALL EFFECT SW A3211ELHLT-T Allegro MicroSystems 1: $1.08 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 $1.08 $0.948 $0.843 $0.804 View Reel $0.532 $0.769 $0.697 $0.671 $0.634 $0.532 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Motor/Motion/Ignition Controllers & Drivers 40V 2A MICROSTEPPING MOTOR DRIVER IC A5984GLPTR-T Allegro MicroSystems 1: $2.37 138,020In 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 $2.37 $1.88 $1.64 $1.54 View Reel $1.40 $1.50 $1.48 $1.47 $1.40 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: $1.63 13,443In 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	13,443In Stock	Cut Tape $1.63 $1.45 $1.30 $1.24 View Reel $0.759 $1.19 $1.08 $1.05 $1.04 $0.759 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: $6.69 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 $6.69 $6.03 $5.49 $5.29 Reel $3.97 View $5.10 $4.73 $3.85 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Board Mount Current Sensors PROGRAMMABLE THERMALLY ENHANCED CURRENT SENSOR ACS781LLRTR-100U-T Allegro MicroSystems 1: $7.18 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 $7.18 $6.48 $5.90 $5.68 View Reel $4.15 $5.48 $5.08 $5.00 $4.36 $4.15 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: $2.24 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	$2.24 $1.99 $1.79 $1.72 View $1.65 $1.51 $1.48 $1.42 $1.27	Min.: 1 Mult.: 1
Gate Drivers BRUSHED DC GATE DRIVER A4955GESTR-T Allegro MicroSystems 1: $1.71 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 $1.71 $1.26 $1.14 $1.02 Reel $0.848 View $0.951 $0.915 $0.871 $0.769 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Motor/Motion/Ignition Controllers & Drivers COMMERCIAL VERSION OF 3930 AMT49413GEVATR Allegro MicroSystems 1: $4.90 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 $4.90 $3.72 $3.43 $3.11 Reel $2.78 View $2.97 $2.96 $2.69 Quote 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: $4.92 6,789In 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	6,789In Stock	Cut Tape $4.92 $4.42 $3.77 $3.28 $2.82 Reel $2.57 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Current Sensors HIGH PRECISION LINEAR HALL EFFECT ACS72981LLRATR-050B5 Allegro MicroSystems 1: $6.07 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 $6.07 $5.45 $4.96 $4.77 View Reel $3.95 $4.60 $4.26 $4.14 $3.96 $3.95 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: $1.87 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 $1.87 $1.66 $1.34 $1.14 View Reel $0.974 $1.13 $0.974 $0.974 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: $2.36 21,881In 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	21,881In Stock	Cut Tape $2.36 $2.31 $2.27 $2.09 View Reel $1.88 $2.02 $1.90 $1.88 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Motor/Motion/Ignition Controllers & Drivers FULL BRIDGE MOSFET DRIVER A3950SLPTR-T Allegro MicroSystems 1: $4.25 11,716In Stock	Mfr. Part No. A3950SLPTR-T Mouser Part No 250-A3950SLPTR-T	Allegro MicroSystems	Motor/Motion/Ignition Controllers & Drivers FULL BRIDGE MOSFET DRIVER Learn More about Allegro MicroSystems allegro magnetic speed sensors ics	Datasheet	11,716In Stock	Cut Tape $4.25 $3.21 $2.96 $2.68 View Reel $2.30 $2.55 $2.53 $2.38 $2.35 $2.30 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 4,000
Motor/Motion/Ignition Controllers & Drivers 3 PHASE BRUSHLESS DC MOTOR PRE-DRIVER A4931METTR-T Allegro MicroSystems 1: $2.63 13,057In 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	13,057In Stock	Cut Tape $2.63 $1.95 $1.78 $1.60 Reel $1.38 View $1.51 $1.45 $1.40 $1.33 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 1,500
Motor/Motion/Ignition Controllers & Drivers A4979SLPTR-T A4979GLPTR-T Allegro MicroSystems 1: $3.71 16,774In 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	16,774In Stock	Cut Tape $3.71 $2.99 $2.80 $2.65 View Reel $2.40 $2.57 $2.56 $2.53 $2.40 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Board Mount Hall Effect/Magnetic Sensors CHOPPER STABILIZED PRECISION HALL EFFECT A1126LLHLT-T Allegro MicroSystems 1: $1.35 107,552In Stock	Mfr. Part No. A1126LLHLT-T Mouser Part No 250-A1126LLHLT-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	107,552In Stock	Cut Tape $1.35 $1.19 $1.07 $1.02 View Reel $0.702 $0.97 $0.882 $0.85 $0.805 $0.702 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Hall Effect/Magnetic Sensors GENERAL PURPOSE HALL EFFECT LATCH A1221LLHLX-T Allegro MicroSystems 1: $1.19 24,768In Stock	Mfr. Part No. A1221LLHLX-T Mouser Part No 250-A1221LLHLX-T	Allegro MicroSystems	Board Mount Hall Effect/Magnetic Sensors GENERAL PURPOSE HALL EFFECT LATCH Learn More about Allegro MicroSystems allegro a1220 a1221 a1222 a1223 sensor ics	Datasheet	24,768In Stock	Cut Tape $1.19 $1.06 $0.938 $0.894 View Reel $0.579 $0.856 $0.778 $0.748 $0.721 $0.579 $0.579 MouseReel Available	Min.: 1 Mult.: 1 : 10,000

Magnetic Speed Sensor ICs

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Magnetic Speed Sensor ICs

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