Board Mount Hall Effect / Magnetic Sensors

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TMR Switches

Littelfuse TMR Switches are digital magnetic switches that integrate tunneling magnetoresistance (TMR) and CMOS technology. This technology provides a magnetically triggered digital switch with high sensitivity, and ultralow power consumption. This Littelfuse series contains a TMR magnetic sensor and CMOS signal processing circuitry within the same package. An on-chip TMR voltage generator is also included for precise magnetic sensing. A TMR voltage amplifier and comparator plus a Schmitt trigger provide switching hysteresis for noise rejection.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) 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 LF21215TMR STD TMD SENS LF21215TMR Littelfuse 1: S/ 3.62 2,629In Stock	Mfr. Part # LF21215TMR Mouser Part # 576-LF21215TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors LF21215TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	2,629In Stock	Cut Tape S/ 3.62 S/ 3.18 S/ 2.82 S/ 2.69 View Reel S/ 1.74 S/ 2.57 S/ 2.26 S/ 2.13 S/ 1.91 S/ 1.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Magnetic	1.5 uA	9 mA	- 30 G to - 10 G, 10 G to 30 G	- 20 G to - 5 G, 5 G to 20 G	3 V	- 40 C	+ 125 C	SMD/SMT		TMR	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors LF21115TMR STD TMD SENS LF21115TMR Littelfuse 1: S/ 3.62 19,889In Stock	Mfr. Part # LF21115TMR Mouser Part # 576-LF21115TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors LF21115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	19,889In Stock	Cut Tape S/ 3.62 S/ 3.18 S/ 2.82 S/ 2.69 View Reel S/ 1.74 S/ 2.57 S/ 2.26 S/ 2.13 S/ 1.81 S/ 1.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Magnetic	200 nA	9 mA	- 26 G to - 9 G, 9 G to 26 G	- 20 G to - 5 G, 5 G to 20 G	3 V	- 40 C	+ 125 C	SMD/SMT		TMR	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors LF22214TMR STD TMD SENS LF22214TMR Littelfuse 1: S/ 4.36 25,919In Stock	Mfr. Part # LF22214TMR Mouser Part # 576-LF22214TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors LF22214TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	25,919In Stock	Cut Tape S/ 4.36 S/ 3.68 S/ 3.42 S/ 2.88 View Reel S/ 1.94 S/ 2.68 S/ 2.37 S/ 2.28 S/ 2.01 S/ 1.94 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Magnetic	1.5 uA	20 mA	- 25 G to - 8 G, 8 G to 25 G	- 20 G to - 5 G, 5 G to 20 G	3 V	- 40 C	+ 125 C	SMD/SMT		TMR	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors LF32115TMR STD TMD SENS LF32115TMR Littelfuse 1: S/ 3.62 3,976In Stock	Mfr. Part # LF32115TMR Mouser Part # 576-LF32115TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors LF32115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	3,976In Stock	Cut Tape S/ 3.62 S/ 3.18 S/ 2.82 S/ 2.69 View Reel S/ 1.76 S/ 2.57 S/ 2.33 S/ 2.18 S/ 1.81 S/ 1.76 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Magnetic	200 nA	20 mA	9 G to 25 G	5 G to 20 G	3 V	- 40 C	+ 125 C	SMD/SMT		TMR	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors LF11115TMR STD TMD SENS LF11115TMR Littelfuse 1: S/ 3.81 283In Stock 3,000Expected 11/5/2026	Mfr. Part # LF11115TMR Mouser Part # 576-LF11115TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors LF11115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	283In Stock 3,000Expected 11/5/2026	Cut Tape S/ 3.81 S/ 3.37 S/ 2.99 S/ 2.85 View Reel S/ 1.85 S/ 2.78 S/ 2.40 S/ 2.29 S/ 1.92 S/ 1.85 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Magnetic	200 nA	9 mA	- 26 G to - 9 G, 9 G to 26 G	- 20 G to - 5 G, 5 G to 20 G	3 V	- 40 C	+ 125 C	SMD/SMT		TMR	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors MAGNETIC SWITCH OMNIPOLAR TMR LF21235TMR Littelfuse 1: S/ 4.09 31In Stock	Mfr. Part # LF21235TMR Mouser Part # 576-LF21235TMR	Littelfuse	Board Mount Hall Effect / Magnetic Sensors MAGNETIC SWITCH OMNIPOLAR TMR Learn More about Littelfuse tmr switch	Datasheet	31In Stock	Cut Tape S/ 4.09 S/ 3.62 S/ 3.19 S/ 2.81 View Reel S/ 1.81 S/ 2.60 S/ 2.30 S/ 2.19 S/ 1.81 S/ 1.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	Magnetic	1.5 uA	9 mA	- 35 G to - 4 G, 4 G to 35 G	- 30 G to - 4 G, 4 G to 30 G	3 V	- 40 C	+ 125 C	SMD/SMT		TMR	Reel, Cut Tape, MouseReel
Board Mount Hall Effect / Magnetic Sensors 7V 9mA 4kGauss 4 kV, 1.5uA LF11215TMR Littelfuse 1: S/ 10.16 1,420In Stock Factory Special Order	Mfr. Part # LF11215TMR Mouser Part # 576-LF11215TMR Factory Special Order	Littelfuse	Board Mount Hall Effect / Magnetic Sensors 7V 9mA 4kGauss 4 kV, 1.5uA Learn More about Littelfuse tmr digital magnetic switches	Datasheet	1,420In Stock	Cut Tape S/ 10.16 S/ 8.56 S/ 7.98 S/ 6.70 View Reel S/ 4.59 S/ 6.23 S/ 5.25 S/ 5.02 S/ 4.75 S/ 4.59	Min.: 1 Mult.: 1 : 3,000	Sensor	1.5 uA		25 Guass	- 10 Gauss	1.8 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT-23-3	TMR	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors 7V 9mA 4kGauss 4 kV, 200nA LF21112TMR Littelfuse 1: S/ 7.75 1,729In Stock Factory Special Order	Mfr. Part # LF21112TMR Mouser Part # 576-LF21112TMR Factory Special Order	Littelfuse	Board Mount Hall Effect / Magnetic Sensors 7V 9mA 4kGauss 4 kV, 200nA Learn More about Littelfuse tmr digital magnetic switches	Datasheet	1,729In Stock	Cut Tape S/ 7.75 S/ 6.54 S/ 6.07 S/ 5.14 View Reel S/ 3.41 S/ 4.75 S/ 4.01 S/ 3.73 S/ 3.53 S/ 3.41	Min.: 1 Mult.: 1 : 3,000	Sensor	200 nA		7 Gauss	5 Gauss	1.8 V to 5.5 V	- 40 C	+ 125 C	SMD/SMT	SOT23-3	TMR	Reel, Cut Tape
Board Mount Hall Effect / Magnetic Sensors 2.8-5.5V, 14G BOP, 10G BRP, Push-Pull Output, TO-92 Package TX00AT314AMA Littelfuse 1: S/ 6.73 6,000Expected 12/30/2026 New Product	Mfr. Part # TX00AT314AMA Mouser Part # 576-TX00AT314AMA New Product	Littelfuse	Board Mount Hall Effect / Magnetic Sensors 2.8-5.5V, 14G BOP, 10G BRP, Push-Pull Output, TO-92 Package	Datasheet	6,000Expected 12/30/2026	Cut Tape S/ 6.73 S/ 5.68 S/ 5.29 S/ 4.44 View Reel S/ 2.99 S/ 4.13 S/ 3.50 S/ 3.25 S/ 3.08 S/ 2.99 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	TMR Omnipolar Push Pull Switch Sensor	1.5 uA	9 mA	10.5 G to 17.5 G	8.4 G to 14 G	2.8 V to 5.5 V	- 40 C	+ 125 C	Through Hole	TO-92-3		Reel, Cut Tape, MouseReel

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