Board Mount Hall Effect / Magnetic Sensors

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Si720x & Si721x Hall Effect Magnetic Sensors

Silicon Labs Si720x and Si721x Hall Effect Magnetic Position Sensors combine a chopper-stabilized Hall element with a low-noise analog amplifier and 13-bit analog to digital converter. The sensors have proven CMOS design techniques and incorporate digital signal processing for precise temperature and offset drift compensation. The Si720x and Si721x enable use with larger air gaps and smaller magnets and are AEC-Q100 qualified for automotive applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CRC) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Operating Supply Current	Maximum Output Current	Operating Point Min/Max	Release Point Min/Max (Brp)	Operating Supply Voltage	Minimum Operating Temperature	Maximum Operating Temperature	Mounting Style	Package / Case	Series	Packaging
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-40-IVR Silicon Labs 1: ₡577,72 34 823In Stock End of Life	Mfr. Part # SI7201-B-40-IVR Mouser Part # 634-SI7201-B-40-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	34 823In Stock	Cut Tape ₡577,72 ₡452,28 ₡409,61 ₡361,72 Reel ₡301,87 View ₡339,34 ₡325,29 ₡311,24 ₡294,58	Min.: 1 Mult.: 1 : 3 000	Omnipolar	6.5 mA				1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors Linear output Hall effect magnetic sensor with analog output SI7211-B-00-IV Silicon Labs 1: ₡874,38 31 698In Stock End of Life	Mfr. Part # SI7211-B-00-IV Mouser Part # 634-SI7211-B-00-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Linear output Hall effect magnetic sensor with analog output Learn More about Silicon Labs si720x si721x sensors	Datasheet	31 698In Stock	₡874,38 ₡702,63 ₡640,17 ₡567,31 View ₡536,08 ₡512,14 ₡509,54 ₡477,79 ₡467,38	Min.: 1 Mult.: 1	Linear	5.5 mA		20 mT to 200 mT		2.25 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si721x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-32-IVR Silicon Labs 1: ₡577,72 8 866In Stock End of Life	Mfr. Part # SI7201-B-32-IVR Mouser Part # 634-SI7201-B-32-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	8 866In Stock	Cut Tape ₡577,72 ₡452,28 ₡409,61 ₡361,72 Reel ₡301,87 View ₡339,34 ₡325,29 ₡311,24 ₡294,58	Min.: 1 Mult.: 1 : 3 000	Omnipolar	6.5 mA		7 mT	4.1 mT	1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-20-IV Silicon Labs 1: ₡577,72 5 856In Stock End of Life	Mfr. Part # SI7201-B-20-IV Mouser Part # 634-SI7201-B-20-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	5 856In Stock	₡577,72 ₡452,28 ₡409,61 ₡361,72 View ₡339,34 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			4.9 mT	2.3 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with latch SI7202-B-01-IVR Silicon Labs 1: ₡536,08 3 610In Stock End of Life	Mfr. Part # SI7202-B-01-IVR Mouser Part # 634-SI7202-B-01-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with latch Learn More about Silicon Labs si720x si721x sensors	Datasheet	3 610In Stock	Cut Tape ₡536,08 ₡406,48 ₡365,89 ₡321,65 Reel ₡265,96 View ₡300,83 ₡288,34 ₡278,97 ₡259,71	Min.: 1 Mult.: 1 : 3 000	Low Voltage	400 nA	400 nA	0.5 mT to 1.5 mT	- 1.5 mT to - 0.5 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-06-IV Silicon Labs 1: ₡520,47 25 084In Stock End of Life	Mfr. Part # SI7201-B-06-IV Mouser Part # 634-SI7201-B-06-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	25 084In Stock	₡520,47 ₡429,90 ₡380,46 ₡375,78 View ₡375,26 ₡349,23	Min.: 1 Mult.: 1	Omnipolar			2 mT	0.6 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-20-IVR Silicon Labs 1: ₡582,92 6 243In Stock End of Life	Mfr. Part # SI7201-B-20-IVR Mouser Part # 634-SI7201-B-20-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	6 243In Stock	Cut Tape ₡582,92 ₡472,58 ₡425,22 ₡390,35 View Reel ₡301,87 ₡377,86 ₡357,56 ₡301,87	Min.: 1 Mult.: 1 : 3 000	Omnipolar	6.5 mA		4.9 mT	2.3 mT	1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-86-IV Silicon Labs 1: ₡582,92 5 624In Stock End of Life	Mfr. Part # SI7201-B-86-IV Mouser Part # 634-SI7201-B-86-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	5 624In Stock	₡582,92 ₡472,58 ₡425,22 ₡399,20 View ₡365,37 ₡350,27 ₡348,71	Min.: 1 Mult.: 1	Omnipolar			3.7 mT	1.4 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors IC Hall Sensor I2C Low Push Pull (0x31) SI7210-B-12-IM2 Silicon Labs 1: ₡848,36 8 417In Stock End of Life	Mfr. Part # SI7210-B-12-IM2 Mouser Part # 634-SI7210-B-12-IM2 End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors IC Hall Sensor I2C Low Push Pull (0x31) Learn More about Silicon Labs si720x si721x sensors	Datasheet	8 417In Stock	₡848,36 ₡619,35 ₡562,10 ₡499,65 View ₡469,46 ₡451,24 ₡445,52 ₡417,41 ₡408,04	Min.: 1 Mult.: 1	Magnetic	6.8 mA		+/- 7 mT	+/- 4 mT	1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	DFN-8	Si7210	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-02-FV Silicon Labs 1: ₡879,59 275In Stock End of Life	Mfr. Part # SI7201-B-02-FV Mouser Part # 634-SI7201-B-02-FV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	275In Stock	₡879,59 ₡640,17 ₡582,92 ₡517,86 View ₡486,11 ₡467,38 ₡461,65 ₡432,51 ₡423,14	Min.: 1 Mult.: 1	Omnipolar			0.9 mT	0.2 mT	1.7 V to 3.6 V	0 C	+ 70 C	SMD/SMT	SOT-23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-04-IVR Silicon Labs 1: ₡619,35 20 035In Stock 3 000Expected 11/10/2026 End of Life	Mfr. Part # SI7201-B-04-IVR Mouser Part # 634-SI7201-B-04-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	20 035In Stock 3 000Expected 11/10/2026	Cut Tape ₡619,35 ₡452,28 ₡409,09 ₡361,20 Reel ₡301,87 View ₡338,82 ₡324,77 ₡310,72 ₡294,58 MouseReel Available	Min.: 1 Mult.: 1 : 3 000	Omnipolar			1.4 mT	0.2 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-05-IV Silicon Labs 1: ₡525,67 415In Stock End of Life	Mfr. Part # SI7201-B-05-IV Mouser Part # 634-SI7201-B-05-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	415In Stock	₡525,67 ₡469,46 ₡424,70 ₡375,26 View ₡351,31 ₡336,22 ₡321,65 ₡312,80 ₡305,51	Min.: 1 Mult.: 1	Omnipolar			2 mT	0.6 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-30-IV Silicon Labs 1: ₡619,35 297In Stock End of Life	Mfr. Part # SI7201-B-30-IV Mouser Part # 634-SI7201-B-30-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	297In Stock	₡619,35 ₡452,28 ₡409,09 ₡361,20 View ₡338,82 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			7 mT	4.1 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-30-IVR Silicon Labs 1: ₡546,49 4 278In Stock 3 000Expected 11/27/2026 End of Life	Mfr. Part # SI7201-B-30-IVR Mouser Part # 634-SI7201-B-30-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	4 278In Stock 3 000Expected 11/27/2026	Cut Tape ₡546,49 ₡447,08 ₡434,59 ₡421,58 Reel ₡358,60 ₡295,10	Min.: 1 Mult.: 1 : 3 000	Omnipolar	6.5 mA		7 mT	4.1 mT	1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Si7201-B-84-IVR Silicon Labs 1: ₡619,35 613In Stock End of Life	Mfr. Part # Si7201-B-84-IVR Mouser Part # 634-SI7201-B-84-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	613In Stock	Cut Tape ₡619,35 ₡452,28 ₡409,09 ₡361,20 Reel ₡301,87 View ₡338,82 ₡324,77 ₡310,72 ₡294,58	Min.: 1 Mult.: 1 : 3 000	Omnipolar	6.5 mA				1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors IC Hall Sensor I2C Low Push Pull (0x33) SI7210-B-14-IM2 Silicon Labs 1: ₡650,58 344In Stock End of Life	Mfr. Part # SI7210-B-14-IM2 Mouser Part # 634-SI7210-B-14-IM2 End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors IC Hall Sensor I2C Low Push Pull (0x33) Learn More about Silicon Labs si720x si721x sensors	Datasheet	344In Stock	₡650,58 ₡608,94 ₡536,08 ₡520,47 View ₡486,11 ₡463,21 ₡458,01	Min.: 1 Mult.: 1	Magnetic	6.8 mA		+/- 7 mT	+/- 4 mT	1.71 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	DFN-8	Si7210	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Linear output magnetic sensor with 250 Hz PWM output SI7212-B-00-IV Silicon Labs 1: ₡801,52 266In Stock End of Life	Mfr. Part # SI7212-B-00-IV Mouser Part # 634-SI7212-B-00-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Linear output magnetic sensor with 250 Hz PWM output Learn More about Silicon Labs si720x si721x sensors	Datasheet	266In Stock	₡801,52 ₡588,13 ₡530,87 ₡473,10 View ₡444,48 ₡426,78 ₡421,58 ₡395,03 ₡386,19	Min.: 1 Mult.: 1	Linear	560 uA	6 mA	20 mT to 200 mT		1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si721x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-02-FVR Silicon Labs 1: ₡879,59 934In Stock End of Life	Mfr. Part # SI7201-B-02-FVR Mouser Part # 634-SI7201-B-02-FVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	934In Stock	Cut Tape ₡879,59 ₡640,17 ₡582,92 ₡517,86 Reel ₡432,51 View ₡486,11 ₡467,38 ₡461,65 ₡423,14 MouseReel Available	Min.: 1 Mult.: 1 : 3 000	Omnipolar			0.9 mT	0.2 mT	1.7 V to 3.6 V	0 C	+ 70 C	SMD/SMT	SOT-23-3	Si720x	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-03-IV Silicon Labs 1: ₡608,94 144In Stock End of Life	Mfr. Part # SI7201-B-03-IV Mouser Part # 634-SI7201-B-03-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	144In Stock	₡608,94 ₡494,96 ₡444,48 ₡412,21 View ₡381,50 ₡368,49 ₡357,04 ₡340,90 ₡332,58	Min.: 1 Mult.: 1	Omnipolar			2.8 mT	1.1 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-04-IV Silicon Labs 1: ₡619,35 Lead-Time 21 Weeks End of Life	Mfr. Part # SI7201-B-04-IV Mouser Part # 634-SI7201-B-04-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	Lead-Time 21 Weeks	₡619,35 ₡452,28 ₡409,09 ₡361,20 View ₡338,82 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			1.4 mT	0.2 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch SI7201-B-05-IVR Silicon Labs 1: ₡562,10 60In Stock 6 000Expected 11/20/2026 End of Life	Mfr. Part # SI7201-B-05-IVR Mouser Part # 634-SI7201-B-05-IVR End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Hall effect magnetic sensor with omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	60In Stock 6 000Expected 11/20/2026	Cut Tape ₡562,10 ₡406,48 ₡365,89 ₡321,65 ₡318,52 Reel ₡270,12 MouseReel Available	Min.: 1 Mult.: 1 : 3 000	Omnipolar			2 mT	0.6 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	Si720x	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-32-IV Silicon Labs 1: ₡619,35 118In Stock End of Life	Mfr. Part # SI7201-B-32-IV Mouser Part # 634-SI7201-B-32-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	118In Stock	₡619,35 ₡452,28 ₡409,09 ₡361,20 View ₡338,82 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			7 mT	4.1 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch SI7201-B-40-IV Silicon Labs 1: ₡619,35 151In Stock End of Life	Mfr. Part # SI7201-B-40-IV Mouser Part # 634-SI7201-B-40-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	151In Stock	₡619,35 ₡452,28 ₡409,09 ₡361,20 View ₡338,82 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			15 mT	9.6 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Si7201-B-80-FV Silicon Labs 1: ₡619,35 65In Stock End of Life	Mfr. Part # Si7201-B-80-FV Mouser Part # 634-SI7201-B-80-FV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	65In Stock	₡619,35 ₡452,28 ₡409,09 ₡361,20 View ₡338,82 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			3.4 mT	1.7 mT	1.7 V to 3.6 V	0 C	+ 70 C	SMD/SMT	SOT23-3	Si720x	Cut Tape
Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Si7201-B-84-IV Silicon Labs 1: ₡619,35 178In Stock End of Life	Mfr. Part # Si7201-B-84-IV Mouser Part # 634-SI7201-B-84-IV End of Life	Silicon Labs	Board Mount Hall Effect / Magnetic Sensors Magnetic Hall Sensor Omnipolar switch Learn More about Silicon Labs si720x si721x sensors	Datasheet	178In Stock	₡619,35 ₡452,28 ₡409,09 ₡361,20 View ₡338,82 ₡324,77 ₡310,72 ₡301,87 ₡294,58	Min.: 1 Mult.: 1	Omnipolar			3.7 mT	1.4 mT	1.7 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	Si720x	Cut Tape

Si720x & Si721x Hall Effect Magnetic Sensors

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Si720x & Si721x Hall Effect Magnetic Sensors

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