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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 (PEN) Filter the results in the table by unit price based on your quantity.	Qty.
Proximity Sensors 59145-1-S-02-A SENS 59145-1-S-02-A Littelfuse 1: S/14.75 2,905In Stock	Mfr. Part # 59145-1-S-02-A Mouser Part # 934-59145-1-S-02-A	Littelfuse	Proximity Sensors 59145-1-S-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	2,905In Stock	S/14.75 S/13.23 S/11.99 S/11.52 View S/11.05 S/10.20 S/9.93	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59165-1-T-00-D SENS 59165-1-T-00-D Littelfuse 1: S/5.92 8,015In Stock	Mfr. Part # 59165-1-T-00-D Mouser Part # 934-59165-1-T-00-D	Littelfuse	Magnetic / Reed Switches 59165-1-T-00-D SENS Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	8,015In Stock	Cut Tape S/5.92 S/5.10 S/4.75 S/4.24 View Reel S/3.05 S/3.93 S/3.69 S/3.05 S/3.05	Min.: 1 Mult.: 1 : 1,500
Magnetic / Reed Switches HA15-2 17-23 HA15-2-17-23 Littelfuse 1: S/9.07 1,036In Stock	Mfr. Part # HA15-2-17-23 Mouser Part # 934-HA15-217-23	Littelfuse	Magnetic / Reed Switches HA15-2 17-23 Learn More about Littelfuse reed switches	Datasheet	1,036In Stock	S/9.07 S/7.67 S/7.08 S/6.34 View S/5.88 S/5.57 S/5.53 S/4.87 S/4.71	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10R 5431 10-25 MDSM-10R-10-25 Littelfuse 1: S/6.46 2,145In Stock	Mfr. Part # MDSM-10R-10-25 Mouser Part # 934-MDSM-10R10-25	Littelfuse	Magnetic / Reed Switches MDSM-10R 5431 10-25 Learn More about Littelfuse reed switches	Datasheet	2,145In Stock	Cut Tape S/6.46 S/5.68 S/5.29 S/4.75 View Reel S/3.53 S/4.40 S/4.16 S/3.97 S/3.53	Min.: 1 Mult.: 1 : 3,000
Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN 55140-3M-03-A Littelfuse 1: S/35.50 500In Stock	Mfr. Part # 55140-3M-03-A Mouser Part # 934-55140-3M-03-A	Littelfuse	Hall Effect / Magnetic Sensors - Industrial 3 Wire SW 500mm TIN Learn More about Littelfuse sensors	Datasheet	500In Stock	S/35.50 S/32.11 S/29.39 S/28.34 View S/27.36 S/26.51	Min.: 1 Mult.: 1
Proximity Sensors 59140 030 PROX SENSOR 59140-030 Littelfuse 1: S/23.43 649In Stock	Mfr. Part # 59140-030 Mouser Part # 934-59140-030	Littelfuse	Proximity Sensors 59140 030 PROX SENSOR Learn More about Littelfuse sensors	Datasheet	649In Stock	S/23.43 S/21.60 S/19.03 S/17.71 View S/16.04 S/15.10 S/14.75 S/14.13	Min.: 1 Mult.: 1
Proximity Sensors 59140-1-T-02-A SENS 59140-1-T-02-A Littelfuse 1: S/13.82 641In Stock	Mfr. Part # 59140-1-T-02-A Mouser Part # 934-59140-1-T-02-A	Littelfuse	Proximity Sensors 59140-1-T-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	641In Stock	S/13.82 S/12.38 S/11.21 S/10.78 View S/10.32 S/10.12 S/9.23	Min.: 1 Mult.: 1
Proximity Sensors 300V 1000mm TINNED LEADS 59145-2-T-05-F Littelfuse 1: S/23.63 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	S/23.63 S/21.29 S/19.38 S/18.68 View S/17.98 S/16.70 S/16.19	Min.: 1 Mult.: 1
Proximity Sensors 59145-3-S-02-A SENS 59145-3-S-02-A Littelfuse 1: S/28.38 492In 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	492In Stock	S/28.38 S/25.26 S/23.24 S/20.79 View S/19.62 S/16.70 S/16.19	Min.: 1 Mult.: 1
Proximity Sensors PROX SENSOR FLANGE MT 59150-030 Littelfuse 1: S/26.35 703In Stock	Mfr. Part # 59150-030 Mouser Part # 934-59150-030	Littelfuse	Proximity Sensors PROX SENSOR FLANGE MT Learn More about Littelfuse sensors	Datasheet	703In Stock	S/26.35 S/20.32 S/16.62 S/16.58 View S/15.30 S/14.71	Min.: 1 Mult.: 1
Magnetic / Reed Switches Sub-Mini NO Switch MDCG-4-7-13 Littelfuse 1: S/4.79 7,006In 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	7,006In Stock	S/4.79 S/4.09 S/3.78 S/3.37 View S/3.13 S/2.95 S/2.91 S/2.79 S/2.74	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT 1156 20-25 U MDRR-DT-20-25-U Littelfuse 1: S/22.23 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	S/22.23 S/19.00 S/17.79 S/16.08 View S/14.83 S/14.44 S/11.87 S/11.21	Min.: 1 Mult.: 1
Proximity Sensors PROXIMITY SENSORS 59020-1-S-02-F Littelfuse 1: S/28.84 495In Stock	Mfr. Part # 59020-1-S-02-F Mouser Part # 934-59020-1-S-02-F	Littelfuse	Proximity Sensors PROXIMITY SENSORS Learn More about Littelfuse hamlin 59020 mini firecracker sensor	Datasheet	495In Stock	S/28.84 S/26.04 S/23.78 S/22.93 View S/22.11 S/20.51 S/19.93	Min.: 1 Mult.: 1
Proximity Sensors 59025-4-T-02-F SENS 59025-4-T-02-F Littelfuse 1: S/19.93 552In Stock	Mfr. Part # 59025-4-T-02-F Mouser Part # 934-59025-4-T-02-F	Littelfuse	Proximity Sensors 59025-4-T-02-F SENS Learn More about Littelfuse hamlin 59025 firecracker sensors	Datasheet	552In Stock	S/19.93 S/17.91 S/16.27 S/15.65 View S/15.06 S/13.82 S/13.51	Min.: 1 Mult.: 1
Proximity Sensors 59140-1-U-02-A SENS 59140-1-U-02-A Littelfuse 1: S/15.88 5,203In Stock	Mfr. Part # 59140-1-U-02-A Mouser Part # 934-59140-1-U-02-A	Littelfuse	Proximity Sensors 59140-1-U-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	5,203In Stock	S/15.88 S/12.30 S/10.00 S/9.65 S/9.19	Min.: 1 Mult.: 1
Magnetic / Reed Switches 59170-1-S-00-C SENSOR 59170-1-S-00-C Littelfuse 1: S/9.93 5,630In Stock	Mfr. Part # 59170-1-S-00-C Mouser Part # 934-59170-1-S-00-C	Littelfuse	Magnetic / Reed Switches 59170-1-S-00-C SENSOR Learn More about Littelfuse hamlin mdsr reed sensors	Datasheet	5,630In Stock	S/9.93 S/8.37 S/7.75 S/6.93 View S/6.42 S/6.07 S/5.61 S/5.57	Min.: 1 Mult.: 1
Level Sensors 59630 4T02A FLOAT SENSOR 59630-4-T-02-A Littelfuse 1: S/33.09 248In Stock	Mfr. Part # 59630-4-T-02-A Mouser Part # 934-59630-4-T-02-A	Littelfuse	Level Sensors 59630 4T02A FLOAT SENSOR Learn More about Littelfuse reed sensors	Datasheet	248In Stock	S/33.09 S/29.93 S/27.36 S/26.43 View S/25.50 S/23.74 S/23.08	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDRR-DT 1156 15-30 U MDRR-DT-15-30-U Littelfuse 1: S/20.79 2,296In Stock	Mfr. Part # MDRR-DT-15-30-U Mouser Part # 934-MDRR-DT15-30U	Littelfuse	Magnetic / Reed Switches MDRR-DT 1156 15-30 U Learn More about Littelfuse Hamlin MDRR DT	Datasheet	2,296In Stock	S/20.79 S/17.36 S/16.08 S/14.36 View S/13.35 S/12.69 S/12.65 Quote	Min.: 1 Mult.: 1
Reed Relays HE3621A6012 REED RELAY HE3621A6012 Littelfuse 1: S/8.33 2,226In Stock Factory Special Order	Mfr. Part # HE3621A6012 Mouser Part # 934-HE3621A6012 Factory Special Order	Littelfuse	Reed Relays HE3621A6012 REED RELAY Learn More about Littelfuse he3600	Datasheet	2,226In Stock	S/8.33 S/7.43 S/7.08 S/6.85 View S/6.62 S/6.31 S/6.11 S/5.84 S/5.41	Min.: 1 Mult.: 1
Proximity Sensors 200V 500mm TINNED LEADS 59085-4-T-03-A Littelfuse 1: S/33.24 7In Stock 1,100On Order	Mfr. Part # 59085-4-T-03-A Mouser Part # 934-59085-4-T-03-A	Littelfuse	Proximity Sensors 200V 500mm TINNED LEADS Learn More about Littelfuse reed sensors	Datasheet	7In Stock 1,100On Order On Order Ship Dates Mfr. #: 59085-4-T-03-A Stock: 7 Can Ship Immediately On Order: 400 Expected 11/26/2026 700 Expected 3/18/2027 Factory Lead-Time: 31 Weeks	S/33.24 S/28.03 S/26.04 S/21.99 View S/20.40 S/18.53	Min.: 1 Mult.: 1
Proximity Sensors 59065-1-T-02-A SENS 59065-1-T-02-A Littelfuse 1: S/20.20 112In Stock 500Expected 2/23/2027	Mfr. Part # 59065-1-T-02-A Mouser Part # 934-59065-1-T-02-A	Littelfuse	Proximity Sensors 59065-1-T-02-A SENS Learn More about Littelfuse reed sensors	Datasheet	112In Stock 500Expected 2/23/2027	S/20.20 S/18.14 S/16.43 S/15.80 View S/15.18 S/12.22	Min.: 1 Mult.: 1
Magnetic / Reed Switches MDSM-10B 5430 10-15 MDSM-10B-10-15 Littelfuse 1: S/6.46 247In Stock	Mfr. Part # MDSM-10B-10-15 Mouser Part # 934-MDSM-10B10-15	Littelfuse	Magnetic / Reed Switches MDSM-10B 5430 10-15 Learn More about Littelfuse reed switches	Datasheet	247In Stock	S/6.46 S/5.61 S/5.37 S/4.87 View S/4.52 S/3.62 S/3.44 S/3.41	Min.: 1 Mult.: 1
Proximity Sensors 59140-4-U-02-A SENS 59140-4-U-02-A Littelfuse 1: S/23.12 350In 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	350In Stock	S/23.12 S/20.82 S/18.92 S/18.18 View S/17.17 S/14.25	Min.: 1 Mult.: 1
Magnetic / Reed Switches SWITCH MAGNETIC REED MLRR-4-32-38 Littelfuse 1: S/5.92 738In Stock	Mfr. Part # MLRR-4-32-38 Mouser Part # 934-MLRR-432-38	Littelfuse	Magnetic / Reed Switches SWITCH MAGNETIC REED Learn More about Littelfuse reed switches	Datasheet	738In Stock	S/5.92 S/5.37 S/4.90 S/4.48 View S/4.24 S/4.05 S/3.35 S/3.30 S/3.26	Min.: 1 Mult.: 1
Proximity Sensors 59021-1-S-02-F SENS 59021-1-S-02-F Littelfuse 1: S/72.09 323In Stock	Mfr. Part # 59021-1-S-02-F Mouser Part # 934-59021-1-S-02-F	Littelfuse	Proximity Sensors 59021-1-S-02-F SENS Learn More about Littelfuse hamlin 59021 aluminum mini firecracker sensor	Datasheet	323In Stock	S/72.09 S/55.27 S/45.89 S/44.41	Min.: 1 Mult.: 1

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