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Littelfuse is a global leader in magnetic sensing solutions with a portfolio covering reed switches, reed sensors, hall effect sensors, reed relays, and magnetic actuators. Littelfuse also offers a broad range of thermistors, resistance temperature detectors (RTDs), digital temperature indicators, and probes and assemblies for temperature sensing applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CLP) Filter the results in the table by unit price based on your quantity.	Qty.
Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE 55075-00-02-A Littelfuse 1: $33.817 1.203In Stock 183Expected 11/23/2026	Mfr. Part # 55075-00-02-A Mouser Part # 934-55075-00-02-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial GEARTOOTH SPEED SEN SS 3WIRE Learn More about Littelfuse sensors	Datasheet	1.203In Stock 183Expected 11/23/2026	$33.817 $33.224 $32.324 $31.698 View $30.402 $30.391 Quote	Min.: 1 Mult.: 1
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55100-3H-04-A Littelfuse 1: $9.245 4.760In Stock	Mfr. Part # 55100-3H-04-A Mouser Part # 934-55100-3H-04-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN Learn More about Littelfuse Hamlin 55100 Sensor	Datasheet	4.760In Stock	$9.245 $8.366 $8.037 $7.642 View $7.378 $7.137 $6.588 $6.401	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-U-00-A SENS 59165-1-U-00-A Littelfuse 1: $2.229 13.186In Stock	Mfr. Part # 59165-1-U-00-A Mouser Part # 934-59165-1-U-00-A	Littelfuse	Magnetic / Reed Switches 59165-1-U-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	13.186In Stock	$2.229 $1.878 $1.504 $1.383 View $1.307 $1.241 $1.219 $1.186	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN VANE SPST-NO W/WIRE 59085-010 Littelfuse 1: $10.431 5.964In Stock	Mfr. Part # 59085-010 Mouser Part # 934-59085-010	Littelfuse	Proximity Sensors PROX SEN VANE SPST-NO W/WIRE Learn More about Littelfuse sensors	Datasheet	5.964In Stock	$10.431 $9.453 $9.091 $9.003 View $8.729 $8.641 $8.158 $8.092	Min.: 1 Mult.: 1
Reed Relays REED RELAY HE722A1210 Littelfuse 1: $4.150 5.870In Stock Factory Special Order	Mfr. Part # HE722A1210 Mouser Part # 934-HE722A1210 Factory Special Order	Littelfuse	Reed Relays REED RELAY Learn More about Littelfuse he700	Datasheet	5.870In Stock	$4.150 $3.700 $3.535 $3.415 View $3.294 $3.151 $3.030 $2.921	Min.: 1 Mult.: 1
Proximity Sensors 59140-4-U-02-A SENS 59140-4-U-02-A Littelfuse 1: $5.435 480In Stock	Mfr. Part # 59140-4-U-02-A Mouser Part # 934-59140-4-U-02-A	Littelfuse	Proximity Sensors 59140-4-U-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	480In Stock	$5.435 $4.897 $4.688 $4.447 View $4.282 $4.117 $4.019	Min.: 1 Mult.: 1
Proximity Sensors PROX SENS CHANGE OVER UNTINNED 59025-3-T-02-F Littelfuse 1: $5.984 495In Stock	Mfr. Part # 59025-3-T-02-F Mouser Part # 934-59025-3-T-02-F	Littelfuse	Proximity Sensors PROX SENS CHANGE OVER UNTINNED Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	495In Stock	$5.984 $5.391 $5.171 $4.897 View $4.721 $4.546 $4.205 $4.084	Min.: 1 Mult.: 1
Proximity Sensors 59085-1-T-02-F SENS 59085-1-T-02-F Littelfuse 1: $8.795 970In Stock	Mfr. Part # 59085-1-T-02-F Mouser Part # 934-59085-1-T-02-F	Littelfuse	Proximity Sensors 59085-1-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	970In Stock	$8.795 $7.949 $7.642 $7.257 View $7.005 $6.478 $6.456 $6.116	Min.: 1 Mult.: 1
Magnetic / Reed Switches 175V 5WATTS MDRR-DT-30-35-F Littelfuse 1: $5.633 847In Stock 1.000Expected 10/12/2026	Mfr. Part # MDRR-DT-30-35-F Mouser Part # 934-MDRR-DT-30-35-F	Littelfuse	Magnetic / Reed Switches 175V 5WATTS Learn More about Littelfuse Hamlin MDRR DT	Datasheet	847In Stock 1.000Expected 10/12/2026	$5.633 $4.897 $4.535 $4.040 View $3.766 $3.579 $3.404 $3.217	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10R 5431 15-20 MDSM-10R-15-20 Littelfuse 1: $1.691 2.858In Stock	Mfr. Part # MDSM-10R-15-20 Mouser Part # 934-MDSM-10R15-20	Littelfuse	Magnetic / Reed Switches MDSM-10R 5431 15-20 Learn More about Littelfuse reed switches	Datasheet	2.858In Stock	Cut Tape $1.691 $1.460 $1.383 $1.263 View Reel $1.001 $1.186 $1.131 $1.109 $1.001	Min.: 1 Mult.: 1 : 3.000
Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker 59025-4-S-05-A Littelfuse 1: $7.916 685In Stock	Mfr. Part # 59025-4-S-05-A Mouser Part # 934-59025-4-S-05-A	Littelfuse	Proximity Sensors NC 15-20AT 1m TIN 59025 Firecracker Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	685In Stock	$7.916 $7.148 $6.862 $6.522 View $6.291 $6.061 $5.962 $5.479	Min.: 1 Mult.: 1
Proximity Sensors PROX SEN THREAD BARREL SPST-NO 59065-1-S-02-A Littelfuse 1: $6.533 1.300In Stock	Mfr. Part # 59065-1-S-02-A Mouser Part # 934-59065-1-S-02-A	Littelfuse	Proximity Sensors PROX SEN THREAD BARREL SPST-NO Learn More about Littelfuse reed sensors	Datasheet	1.300In Stock	$6.533 $5.446 $5.040 $4.128 View $3.975 $3.788 $3.612	Min.: 1 Mult.: 1
Proximity Sensors 59085 030 PROX SENSOR 59085-030 Littelfuse 1: $10.639 263In Stock	Mfr. Part # 59085-030 Mouser Part # 934-59085-030	Littelfuse	Proximity Sensors 59085 030 PROX SENSOR Learn More about Littelfuse sensors	Datasheet	263In Stock	$10.639 $8.828 $8.180 $7.301 View $6.489 $6.203	Min.: 1 Mult.: 1
Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET H-33-MAGNET Littelfuse 1: $2.943 2.433In Stock	Mfr. Part # H-33-MAGNET Mouser Part # 934-H-33	Littelfuse	Sensor Hardware & Accessories HARDWARE ACTUATOR MAGNET Learn More about Littelfuse magnetic actuators	Datasheet	2.433In Stock	$2.943 $2.481 $1.867 $1.702 View $1.614 $1.449 $1.405 $1.361	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT-30-35-U MDRR-DT-30-35-U Littelfuse 1: $5.775 745In Stock	Mfr. Part # MDRR-DT-30-35-U Mouser Part # 934-MDRR-DT30-35U	Littelfuse	Magnetic / Reed Switches MDRR-DT-30-35-U Learn More about Littelfuse sensors	Datasheet	745In Stock	$5.775 $4.809 $4.458 $3.975 View $3.909 $3.898 Quote	Min.: 1 Mult.: 1
Proximity Sensors 59025-3-S-02-A 59025-3-S-02-A Littelfuse 1: $6.072 422In Stock	Mfr. Part # 59025-3-S-02-A Mouser Part # 934-59025-3-S-02-A	Littelfuse	Proximity Sensors 59025-3-S-02-A Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	422In Stock	$6.072 $5.468 $5.237 $4.974 View $4.787 $4.611 $4.271 $4.139	Min.: 1 Mult.: 1
Proximity Sensors PROX SENSOR MINI FLANGE MOUNT 59140-020 Littelfuse 1: $4.754 1.439In Stock	Mfr. Part # 59140-020 Mouser Part # 934-59140-020	Littelfuse	Proximity Sensors PROX SENSOR MINI FLANGE MOUNT Learn More about Littelfuse sensors	Datasheet	1.439In Stock	$4.754 $4.732 $3.975 $3.678 View $2.997 $2.888 $2.591	Min.: 1 Mult.: 1
Proximity Sensors 59140-3-S-02-F SENS 59140-3-S-02-F Littelfuse 1: $6.072 435In Stock	Mfr. Part # 59140-3-S-02-F Mouser Part # 934-59140-3-S-02-F	Littelfuse	Proximity Sensors 59140-3-S-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	435In Stock	$6.072 $5.468 $5.347 $5.040 View $4.271 $4.139	Min.: 1 Mult.: 1
Proximity Sensors 59150-3-T-02-F SENS 59150-3-T-02-F Littelfuse 1: $6.478 485In Stock	Mfr. Part # 59150-3-T-02-F Mouser Part # 934-59150-3-T-02-F	Littelfuse	Proximity Sensors 59150-3-T-02-F SENS Learn More about Littelfuse reed sensors	Datasheet	485In Stock	$6.478 $5.830 $5.600 $5.314 View $5.116 $5.105 $4.567 $4.436	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-T-00-A SENS 59165-1-T-00-A Littelfuse 1: $2.229 2.822In Stock	Mfr. Part # 59165-1-T-00-A Mouser Part # 934-59165-1-T-00-A	Littelfuse	Magnetic / Reed Switches 59165-1-T-00-A SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	2.822In Stock	$2.229 $1.878 $1.746 $1.559 View $1.438 $1.416 $1.372 $1.329 $1.142	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT 1156 15-20 U MDRR-DT-15-20-U Littelfuse 1: $5.775 611In Stock	Mfr. Part # MDRR-DT-15-20-U Mouser Part # 934-MDRR-DT15-20U	Littelfuse	Magnetic / Reed Switches MDRR-DT 1156 15-20 U Learn More about Littelfuse reed switches	Datasheet	611In Stock	$5.775 $4.809 $4.458 $3.975 View $3.700 $3.524 $3.349 $3.162	Min.: 1 Mult.: 1
Proximity Sensors 300V 1000mm TINNED LEADS 59145-2-T-05-F Littelfuse 1: $6.665 500In Stock	Mfr. Part # 59145-2-T-05-F Mouser Part # 934-59145-2-T-05-F	Littelfuse	Proximity Sensors 300V 1000mm TINNED LEADS Learn More about Littelfuse reed sensors	Datasheet	500In Stock	$6.665 $6.006 $5.764 $5.468 View $5.270 $5.073 $4.710 $4.567	Min.: 1 Mult.: 1
Proximity Sensors 59145-3-S-02-A SENS 59145-3-S-02-A Littelfuse 1: $8.004 498In Stock	Mfr. Part # 59145-3-S-02-A Mouser Part # 934-59145-3-S-02-A	Littelfuse	Proximity Sensors 59145-3-S-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	498In Stock	$8.004 $7.126 $6.708 $6.214 View $5.863 $5.534 $4.710 $4.567	Min.: 1 Mult.: 1
Magnetic / Reed Switches Sub-Mini NO Switch MDCG-4-7-13 Littelfuse 1: $1.350 7.026In Stock	Mfr. Part # MDCG-4-7-13 Mouser Part # 934-MDCG-4-7-13	Littelfuse	Magnetic / Reed Switches Sub-Mini NO Switch Learn More about Littelfuse Hamlin MDCG 4	Datasheet	7.026In Stock	$1.350 $1.153 $1.067 $951 View $882 $833 $820 $787 $773	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT 1156 20-25 U MDRR-DT-20-25-U Littelfuse 1: $6.269 712In Stock	Mfr. Part # MDRR-DT-20-25-U Mouser Part # 934-MDRR-DT20-25U	Littelfuse	Magnetic / Reed Switches MDRR-DT 1156 20-25 U Learn More about Littelfuse reed switches	Datasheet	712In Stock	$6.269 $5.358 $5.018 $4.535 View $4.183 $4.073 $3.349 $3.162	Min.: 1 Mult.: 1

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