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 (IDR) 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: Rp18.529 34.823In Stock End of Life	Mfr. Part No. SI7201-B-40-IVR Mouser Part No 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 Rp18.529 Rp14.328 Rp12.897 Rp11.338 Reel Rp9.375 View Rp10.604 Rp10.164 Rp9.833 Rp9.155	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: Rp28.069 31.698In Stock End of Life	Mfr. Part No. SI7211-B-00-IV Mouser Part No 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	Rp28.069 Rp22.015 Rp19.997 Rp17.631 View Rp16.566 Rp15.906 Rp15.704 Rp14.713 Rp14.383	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-20-IVR Silicon Labs 1: Rp19.263 21.493In Stock End of Life	Mfr. Part No. SI7201-B-20-IVR Mouser Part No 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	21.493In Stock	Cut Tape Rp19.263 Rp14.328 Rp12.897 Rp11.338 Reel Rp9.375 View Rp10.604 Rp10.164 Rp9.833 Rp9.155	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-20-IV Silicon Labs 1: Rp19.263 5.856In Stock End of Life	Mfr. Part No. SI7201-B-20-IV Mouser Part No 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	Rp19.263 Rp14.328 Rp12.897 Rp11.338 View Rp10.017 Rp9.815 Rp9.375 Rp9.155	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: Rp19.263 3.610In Stock End of Life	Mfr. Part No. SI7202-B-01-IVR Mouser Part No 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 Rp19.263 Rp14.328 Rp12.897 Rp11.338 Reel Rp9.375 View Rp10.604 Rp10.164 Rp9.833 Rp9.155	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 Magnetic Hall Sensor Omnipolar switch SI7201-B-32-IVR Silicon Labs 1: Rp19.263 8.866In Stock End of Life	Mfr. Part No. SI7201-B-32-IVR Mouser Part No 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 Rp19.263 Rp14.328 Rp12.897 Rp11.338 Reel Rp9.375 View Rp10.604 Rp10.164 Rp9.833 Rp9.155	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-86-IV Silicon Labs 1: Rp19.263 5.849In Stock End of Life	Mfr. Part No. SI7201-B-86-IV Mouser Part No 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	5.849In Stock	Rp19.263 Rp14.328 Rp12.897 Rp11.338 View Rp10.604 Rp10.145 Rp9.815 Rp9.375 Rp9.155	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 Hall effect magnetic sensor with omnipolar switch SI7201-B-06-IV Silicon Labs 1: Rp18.346 25.094In Stock End of Life	Mfr. Part No. SI7201-B-06-IV Mouser Part No 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	25.094In Stock	Rp18.346 Rp15.154 Rp13.411 Rp13.246 View Rp13.227 Rp12.310	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 IC Hall Sensor I2C Low Push Pull (0x31) SI7210-B-12-IM2 Silicon Labs 1: Rp24.767 8.417In Stock End of Life	Mfr. Part No. SI7210-B-12-IM2 Mouser Part No 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	Rp24.767 Rp22.015 Rp19.997 Rp17.631 View Rp16.566 Rp15.906 Rp15.704 Rp14.713 Rp14.383	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: Rp26.235 275In Stock End of Life	Mfr. Part No. SI7201-B-02-FV Mouser Part No 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	Rp26.235 Rp22.015 Rp19.814 Rp16.328 View Rp16.126 Rp15.117 Rp14.787	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: Rp25.501 21.628In Stock 3.000Expected 23/10/2026 End of Life	Mfr. Part No. SI7201-B-04-IVR Mouser Part No 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	21.628In Stock 3.000Expected 23/10/2026	Cut Tape Rp25.501 Rp17.777 Rp16.108 Rp15.301 View Reel Rp12.035 Rp15.007 Rp14.383 Rp12.035 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: Rp18.529 415In Stock End of Life	Mfr. Part No. SI7201-B-05-IV Mouser Part No 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	Rp18.529 Rp16.548 Rp14.970 Rp13.227 View Rp12.384 Rp11.852 Rp11.338 Rp11.026 Rp10.769	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: Rp19.997 297In Stock End of Life	Mfr. Part No. SI7201-B-30-IV Mouser Part No 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	Rp19.997 Rp17.906 Rp16.016 Rp14.310 View Rp11.668 Rp11.283 Rp10.787 Rp10.531	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: Rp22.199 4.278In Stock 3.000Expected 30/10/2026 End of Life	Mfr. Part No. SI7201-B-30-IVR Mouser Part No 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 30/10/2026	Cut Tape Rp22.199 Rp17.906 Rp16.016 Rp15.319 Reel Rp12.640 View Rp13.906 Rp13.374 Rp9.632	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: Rp22.199 613In Stock End of Life	Mfr. Part No. Si7201-B-84-IVR Mouser Part No 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 Rp22.199 Rp16.053 Rp14.530 Rp12.842 View Reel Rp9.632 Rp12.035 Rp11.540 Rp11.026 Rp9.632	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: Rp22.933 344In Stock End of Life	Mfr. Part No. SI7210-B-14-IM2 Mouser Part No 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	Rp22.933 Rp21.465 Rp18.896 Rp18.346 View Rp17.135 Rp16.328 Rp16.144	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 Hall effect magnetic sensor with analog output SI7211-B-00-IVR Silicon Labs 1: Rp28.069 6.864In Stock End of Life	Mfr. Part No. SI7211-B-00-IVR Mouser Part No 634-SI7211-B-00-IVR 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	6.864In Stock	Cut Tape Rp28.069 Rp22.015 Rp19.997 Rp17.631 Reel Rp14.713 View Rp16.566 Rp15.924 Rp15.723 Rp14.383	Min.: 1 Mult.: 1 : 3.000	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	Reel, Cut Tape
Board Mount Hall Effect/Magnetic Sensors Linear output magnetic sensor with 250 Hz PWM output SI7212-B-00-IV Silicon Labs 1: Rp23.483 266In Stock End of Life	Mfr. Part No. SI7212-B-00-IV Mouser Part No 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	Rp23.483 Rp18.713 Rp17.098 Rp15.099 View Rp14.126 Rp13.558 Rp12.952 Rp12.604 Rp12.292	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-00-FV Silicon Labs 1: Rp25.501 290Expected 26/03/2027 End of Life	Mfr. Part No. SI7201-B-00-FV Mouser Part No 634-SI7201-B-00-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	290Expected 26/03/2027	Rp25.501 Rp17.777 Rp16.108 Rp13.631 View Rp11.668 Rp11.283 Rp10.787 Rp10.531	Min.: 1 Mult.: 1	Omnipolar			1.1 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-02-FVR Silicon Labs 1: Rp25.501 934In Stock End of Life	Mfr. Part No. SI7201-B-02-FVR Mouser Part No 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 Rp25.501 Rp21.648 Rp19.630 Rp18.016 Reel Rp14.989 View Rp17.007 Rp16.328 Rp15.943 Rp14.787 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: Rp21.465 144In Stock End of Life	Mfr. Part No. SI7201-B-03-IV Mouser Part No 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	Rp21.465 Rp17.447 Rp15.667 Rp14.530 View Rp13.448 Rp12.989 Rp12.585 Rp12.017 Rp11.723	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: Rp19.814 389In Stock End of Life	Mfr. Part No. SI7201-B-04-IV Mouser Part No 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	389In Stock	Rp19.814 Rp16.218 Rp14.567 Rp13.044 View Rp12.200 Rp11.668 Rp11.283 Rp10.787 Rp10.531	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: Rp18.529 60In Stock 6.000Expected 20/11/2026 End of Life	Mfr. Part No. SI7201-B-05-IVR Mouser Part No 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 20/11/2026	Cut Tape Rp18.529 Rp15.759 Rp14.145 Rp12.971 Reel Rp10.714 View Rp12.200 Rp11.686 Rp11.283 Rp10.402 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: Rp19.263 118In Stock End of Life	Mfr. Part No. SI7201-B-32-IV Mouser Part No 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	Rp19.263 Rp15.759 Rp14.145 Rp13.044 View Rp12.127 Rp11.668 Rp11.283 Rp10.787 Rp10.531	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: Rp19.263 151In Stock End of Life	Mfr. Part No. SI7201-B-40-IV Mouser Part No 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	Rp19.263 Rp15.759 Rp14.145 Rp13.044 View Rp12.200 Rp11.668 Rp11.283 Rp10.787 Rp10.531	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

Si720x & Si721x Hall Effect Magnetic Sensors

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