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 (HKD) 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: HK$7.64 2,629In Stock	Mfr. Part No. LF21215TMR Mouser Part No 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 HK$7.64 HK$6.71 HK$5.95 HK$5.67 View Reel HK$3.68 HK$5.43 HK$4.78 HK$4.50 HK$4.04 HK$3.68 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: HK$7.64 7,889In Stock 15,000Expected 28/10/2026	Mfr. Part No. LF21115TMR Mouser Part No 576-LF21115TMR	Littelfuse	Board Mount Hall Effect/Magnetic Sensors LF21115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	7,889In Stock 15,000Expected 28/10/2026	Cut Tape HK$7.64 HK$6.71 HK$5.95 HK$5.67 View Reel HK$3.68 HK$5.43 HK$4.78 HK$4.50 HK$3.82 HK$3.68 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: HK$8.63 7,061In Stock	Mfr. Part No. LF21235TMR Mouser Part No 576-LF21235TMR	Littelfuse	Board Mount Hall Effect/Magnetic Sensors MAGNETIC SWITCH OMNIPOLAR TMR Learn More about Littelfuse tmr switch	Datasheet	7,061In Stock	Cut Tape HK$8.63 HK$7.65 HK$6.74 HK$5.93 View Reel HK$3.81 HK$5.50 HK$4.86 HK$4.62 HK$3.82 HK$3.81 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 LF22214TMR STD TMD SENS LF22214TMR Littelfuse 1: HK$9.21 25,919In Stock	Mfr. Part No. LF22214TMR Mouser Part No 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 HK$9.21 HK$7.77 HK$7.23 HK$6.09 View Reel HK$4.09 HK$5.66 HK$5.01 HK$4.83 HK$4.25 HK$4.09 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: HK$7.64 3,976In Stock	Mfr. Part No. LF32115TMR Mouser Part No 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 HK$7.64 HK$6.71 HK$5.96 HK$5.68 View Reel HK$3.72 HK$5.43 HK$4.92 HK$4.60 HK$3.82 HK$3.72 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: HK$8.06 283In Stock 3,000Expected 21/12/2026	Mfr. Part No. LF11115TMR Mouser Part No 576-LF11115TMR	Littelfuse	Board Mount Hall Effect/Magnetic Sensors LF11115TMR STD TMD SENS Learn More about Littelfuse tmr switch	Datasheet	283In Stock 3,000Expected 21/12/2026	Cut Tape HK$8.06 HK$7.12 HK$6.32 HK$6.03 View Reel HK$3.90 HK$5.88 HK$5.06 HK$4.84 HK$4.05 HK$3.90 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 7V 9mA 4kGauss 4 kV, 1.5uA LF11215TMR Littelfuse 1: HK$21.45 1,420In Stock Factory Special Order	Mfr. Part No. LF11215TMR Mouser Part No 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 HK$21.45 HK$18.08 HK$16.85 HK$14.14 View Reel HK$9.70 HK$13.15 HK$11.10 HK$10.60 HK$10.03 HK$9.70	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: HK$16.36 1,729In Stock Factory Special Order	Mfr. Part No. LF21112TMR Mouser Part No 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 HK$16.36 HK$13.81 HK$12.82 HK$10.85 View Reel HK$7.20 HK$10.03 HK$8.47 HK$7.87 HK$7.45 HK$7.20	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: HK$14.22 6,000Expected 30/12/2026 New Product	Mfr. Part No. TX00AT314AMA Mouser Part No 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 30/12/2026	Cut Tape HK$14.22 HK$12.00 HK$11.18 HK$9.37 View Reel HK$6.30 HK$8.71 HK$7.39 HK$6.87 HK$6.51 HK$6.30 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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