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Maxnetic® Spring-Loaded Connectors

Mill-Max Maxnetic® Spring-Loaded Connectors feature two to six positions and magnetic inserts to help provide a reliable electrical connection in rigorous environments. These connectors offer self-alignment, self-location, and zero-force mating and have a 4mm pitch, single-row design with solder cup or solder pin terminations. Variants include spring-loaded pogo pin header strips and spring-loaded target connectors with a concave face. The 878 and 879 series incorporate magnet polarization, ensuring proper connections every time. If the magnets are not correctly aligned, the connectors will repel each other and be impossible to connect. Proper connection prevents short circuits or data errors. No aligning or plugging is required to mate the connectors, and no hardware is needed to keep connectors mated.

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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.
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 4 Pin Shrouded Through-Hole Soldertail 879-20-004-10-011000 Mill-Max 1: HK$120.26 294In Stock	Mfr. Part No. 879-20-004-10-011000 Mouser Part No 575-8792000410011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 4 Pin Shrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	294In Stock	HK$120.26 HK$106.61 HK$102.42 HK$97.41 View HK$92.80 HK$84.67 HK$79.16 HK$70.28	Min.: 1 Mult.: 1
Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 6 Pins 879-20-006-00-011000 Mill-Max 1: HK$179.11 132In Stock 585Expected 9/11/2026	Mfr. Part No. 879-20-006-00-011000 Mouser Part No 575-8792000600011	Mill-Max	Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 6 Pins Learn More about Mill-Max mill max 878 connectors	Datasheet	132In Stock 585Expected 9/11/2026	HK$179.11 HK$153.22 HK$145.82 HK$143.19 View HK$136.37 HK$123.96 HK$118.29	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 2 Pin Shrouded Soldercup Wire Term 879-22-002-00-011101 Mill-Max 1: HK$132.84 480In Stock	Mfr. Part No. 879-22-002-00-011101 Mouser Part No 575-8792200200011101	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 2 Pin Shrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	480In Stock	HK$132.84 HK$117.79 HK$113.19 HK$107.60 View HK$102.59 HK$93.54 HK$87.46 HK$77.68	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 4 Pin Shrouded Soldercup Wire Term 879-22-004-00-011101 Mill-Max 1: HK$161.77 297In Stock	Mfr. Part No. 879-22-004-00-011101 Mouser Part No 575-8792200400011101	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 4 Pin Shrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	297In Stock	HK$161.77 HK$133.00 HK$126.59 HK$120.51 View HK$115.90 HK$109.33 HK$104.07	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 2 Pin UnShrouded Soldercup Wire Term 878-20-002-00-012000 Mill-Max 1: HK$98.80 56In Stock	Mfr. Part No. 878-20-002-00-012000 Mouser Part No 575-8782000200012000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 2 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	56In Stock	HK$98.80 HK$87.54 HK$84.17 HK$80.06 View HK$76.36 HK$69.62 HK$65.10 HK$57.79	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 2 Pin UnShrouded Through-Hole Soldertail 878-20-002-10-011000 Mill-Max 1: HK$82.61 54In Stock	Mfr. Part No. 878-20-002-10-011000 Mouser Part No 575-8782000210011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 2 Pin UnShrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	54In Stock	HK$82.61 HK$79.49 HK$75.62 HK$73.49 View HK$59.10 HK$55.90 HK$53.18 HK$50.64	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 3 Pin UnShrouded Soldercup Wire Term 878-20-003-00-012000 Mill-Max 1: HK$124.37 23In Stock	Mfr. Part No. 878-20-003-00-012000 Mouser Part No 575-8782000300012000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 3 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	23In Stock	HK$124.37 HK$110.31 HK$106.04 HK$100.86 View HK$96.09 HK$87.63 HK$81.95 HK$72.83	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 3 Pin UnShrouded Through-Hole Soldertail 878-20-003-10-011000 Mill-Max 1: HK$98.15 44In Stock	Mfr. Part No. 878-20-003-10-011000 Mouser Part No 575-8782000310011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 3 Pin UnShrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	44In Stock	HK$98.15 HK$79.73 HK$75.87 HK$73.73 View HK$70.20 HK$66.09 HK$63.13 HK$60.17	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 4 Pin UnShrouded Soldercup Wire Term 878-20-004-00-012000 Mill-Max 1: HK$130.94 129In Stock 80Expected 10/11/2026	Mfr. Part No. 878-20-004-00-012000 Mouser Part No 575-8782000400012000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 4 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	129In Stock 80Expected 10/11/2026	HK$130.94 HK$116.15 HK$111.63 HK$106.20 View HK$101.19 HK$92.31 HK$86.31 HK$76.69	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 4 Pin UnShrouded Through-Hole Soldertail 878-20-004-10-011000 Mill-Max 1: HK$110.39 94In Stock	Mfr. Part No. 878-20-004-10-011000 Mouser Part No 575-8782000410011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 4 Pin UnShrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	94In Stock	HK$110.39 HK$97.82 HK$94.12 HK$89.43 View HK$85.32 HK$77.76 HK$72.75 HK$64.61	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 5 Pin UnShrouded Soldercup Wire Term 878-20-005-00-012000 Mill-Max 1: HK$156.51 13In Stock	Mfr. Part No. 878-20-005-00-012000 Mouser Part No 575-8782000500012000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 5 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	13In Stock	HK$156.51 HK$135.63 HK$128.56 HK$126.67 View HK$111.79 HK$104.31 HK$102.09 HK$95.85	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 5 Pin UnShrouded Through-Hole Soldertail 878-20-005-10-011000 Mill-Max 1: HK$136.21 30In Stock	Mfr. Part No. 878-20-005-10-011000 Mouser Part No 575-8782000510011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 5 Pin UnShrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	30In Stock	HK$136.21 HK$120.75 HK$116.07 HK$110.39 View HK$105.22 HK$95.93 HK$89.76 HK$79.73	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 6 Pin UnShrouded Soldercup Wire Term 878-20-006-00-012000 Mill-Max 1: HK$171.80 52In Stock	Mfr. Part No. 878-20-006-00-012000 Mouser Part No 575-8782000600012000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 6 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	52In Stock	HK$171.80 HK$148.95 HK$141.06 HK$139.00 View HK$122.64 HK$114.50 HK$112.04 Quote	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 6 Pin UnShrouded Through-Hole Soldertail 878-20-006-10-011000 Mill-Max 1: HK$140.07 50In Stock	Mfr. Part No. 878-20-006-10-011000 Mouser Part No 575-8782000610011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 6 Pin UnShrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	50In Stock	HK$140.07 HK$121.41 HK$115.00 HK$113.35 View HK$99.96 HK$93.30 HK$91.32 HK$85.73 Quote	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 2 Pin UnShrouded Soldercup Wire Term 878-22-002-00-011101 Mill-Max 1: HK$117.87 116In Stock	Mfr. Part No. 878-22-002-00-011101 Mouser Part No 575-8782200200011101	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 2 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	116In Stock	HK$117.87 HK$104.48 HK$100.37 HK$95.52 View HK$91.00 HK$83.02 HK$77.60 HK$68.97	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 3 Pin UnShrouded Soldercup Wire Term 878-22-003-00-011101 Mill-Max 1: HK$148.04 57In Stock	Mfr. Part No. 878-22-003-00-011101 Mouser Part No 575-8782200300011101	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 3 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	57In Stock	HK$148.04 HK$128.31 HK$121.57 HK$119.77 View HK$105.71 HK$98.64 HK$96.50 HK$90.67 Quote	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 4 Pin UnShrouded Soldercup Wire Term 878-22-004-00-011101 Mill-Max 1: HK$145.17 18In Stock	Mfr. Part No. 878-22-004-00-011101 Mouser Part No 575-8782200400011101	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 4 Pin UnShrouded Soldercup Wire Term Learn More about Mill-Max mill max 878 connectors	Datasheet	18In Stock	HK$145.17 HK$119.35 HK$113.60 HK$108.18 View HK$103.98 HK$98.06 HK$93.46	Min.: 1 Mult.: 1
Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 2 Pins 879-20-002-00-011000 Mill-Max 1: HK$85.65 52In Stock	Mfr. Part No. 879-20-002-00-011000 Mouser Part No 575-8792000200011	Mill-Max	Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 2 Pins Learn More about Mill-Max mill max 878 connectors	Datasheet	52In Stock	HK$85.65 HK$73.82 HK$70.20 HK$68.80 View HK$64.12 HK$59.60 HK$57.46 HK$55.98	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 2 Pin Shrouded Through-Hole Soldertail 879-20-002-10-011000 Mill-Max 1: HK$99.05 81In Stock	Mfr. Part No. 879-20-002-10-011000 Mouser Part No 575-8792000210011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 2 Pin Shrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	81In Stock	HK$99.05 HK$87.87 HK$84.50 HK$80.31 View HK$76.61 HK$69.79 HK$65.27 HK$57.95	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 3 Pin Shrouded Through-Hole Soldertail 879-20-003-10-011000 Mill-Max 1: HK$118.45 75In Stock	Mfr. Part No. 879-20-003-10-011000 Mouser Part No 575-8792000310011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 3 Pin Shrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	75In Stock	HK$118.45 HK$105.05 HK$100.94 HK$96.01 View HK$91.57 HK$83.43 HK$78.09 HK$69.29	Min.: 1 Mult.: 1
Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 4 Pins 879-20-004-00-011000 Mill-Max 1: HK$131.36 94In Stock	Mfr. Part No. 879-20-004-00-011000 Mouser Part No 575-8792000400011	Mill-Max	Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 4 Pins Learn More about Mill-Max mill max 878 connectors	Datasheet	94In Stock	HK$131.36 HK$108.01 HK$102.75 HK$97.90 View HK$96.01 HK$88.78 HK$84.50 HK$80.56	Min.: 1 Mult.: 1
Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 5 Pins 879-20-005-00-011000 Mill-Max 1: HK$155.11 35In Stock	Mfr. Part No. 879-20-005-00-011000 Mouser Part No 575-8792000500011	Mill-Max	Headers & Wire Housings Magnetic Spring-Loaded Target Connector Vert Mt. w Concave Face 5 Pins Learn More about Mill-Max mill max 878 connectors	Datasheet	35In Stock	HK$155.11 HK$134.73 HK$127.41 HK$122.89 View HK$111.79 HK$107.85 HK$105.05	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 5 Pin Shrouded Through-Hole Soldertail 879-20-005-10-011000 Mill-Max 1: HK$140.15 56In Stock	Mfr. Part No. 879-20-005-10-011000 Mouser Part No 575-8792000510011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 5 Pin Shrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	56In Stock	HK$140.15 HK$121.49 HK$115.16 HK$113.44 View HK$100.12 HK$93.46 HK$91.41 HK$85.82	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 6 Pin Shrouded Through-Hole Soldertail 879-20-006-10-011000 Mill-Max 1: HK$145.25 56In Stock	Mfr. Part No. 879-20-006-10-011000 Mouser Part No 575-8792000610011000	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Target Conn 6 Pin Shrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	56In Stock	HK$145.25 HK$125.93 HK$119.27 HK$117.55 View HK$103.74 HK$96.83 HK$94.69 HK$88.94 Quote	Min.: 1 Mult.: 1
Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 2 Pin Shrouded Through-Hole Soldertail 879-22-002-10-011101 Mill-Max 1: HK$113.52 40In Stock	Mfr. Part No. 879-22-002-10-011101 Mouser Part No 575-8792200210011101	Mill-Max	Rectangular Mil Spec Connectors 4mm Magnetic Spring-Loaded Pogo Conn 2 Pin Shrouded Through-Hole Soldertail Learn More about Mill-Max mill max 878 connectors	Datasheet	40In Stock	HK$113.52 HK$91.00 HK$86.56 HK$84.09 View HK$81.13 HK$76.77 HK$73.08 HK$69.62	Min.: 1 Mult.: 1

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Maxnetic® Spring-Loaded Connectors

Types of Connectors