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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Description Datasheet Availability Pricing (PLN) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model 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
Littelfuse Board Mount Hall Effect/Magnetic Sensors LF21215TMR STD TMD SENS
Datasheet
2 900In Stock
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors LF21115TMR STD TMD SENS
Datasheet
28 818In Stock
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors LF11115TMR STD TMD SENS
Datasheet
293In Stock
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors MAGNETIC SWITCH OMNIPOLAR TMR
Datasheet
1 212In Stock
6 000Expected 11/9/2026
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors LF22214TMR STD TMD SENS
Datasheet
26 961On Order
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors 7V 9mA 4kGauss 4 kV, 200nA
Datasheet
2 298In Stock
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors 7V 9mA 4kGauss 4 kV, 1.5uA
Datasheet
1 160In Stock
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
Littelfuse Board Mount Hall Effect/Magnetic Sensors LF32115TMR STD TMD SENS
Datasheet
4 111On Order
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