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399 Series Spring-Loaded Target Connectors

Mill-Max 399 Series Spring-Loaded Target Connectors come in single-row strips with a concave face, offering an improved interface for misaligned connectors. The concave face also provides more surface area for mating with Mill-Max standard 0.042" diameter plungers. The target connectors utilize a gold-plated conductive path back to the board-mounted spring pin connector. Mill-Max 399 Series Spring-Loaded Target Connectors use MM #1947, #1948, and #1960 pins with insulators that are high-temperature thermoplastic.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS	Product	Type	Number of Positions	Pitch	Number of Rows	Mounting Style	Termination Style	Mounting Angle	Contact Gender	Contact Plating	Termination Post Length	Series	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
Headers & Wire Housings HDR 2 POS 2.54mm Solder RA 399-10-102-10-009000 Mill-Max 1: ¥566.4 1,355In Stock	Mfr. Part # 399-10-102-10-009000 Mouser Part # 575-3991010210009000	Mill-Max	Headers & Wire Housings HDR 2 POS 2.54mm Solder RA Learn More about Mill-Max millmax 399 connectors	Datasheet	1,355In Stock	¥566.4 ¥514.9 ¥430.2 ¥405.3 View ¥360.4 ¥352.1 ¥318.9 ¥302.3 ¥285.7	Min.: 1 Mult.: 1		Headers	Socket	2 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD PIN HEADER 399-10-108-10-007000 Mill-Max 1: ¥1,955 498In Stock	Mfr. Part # 399-10-108-10-007000 Mouser Part # 575-3991010810007000	Mill-Max	Headers & Wire Housings STANDARD PIN HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	498In Stock	¥1,955 ¥1,727.4 ¥1,634.4 ¥1,300.6 View ¥1,272.3 ¥1,232.5 ¥1,212.5 Quote	Min.: 1 Mult.: 1		Headers	Socket	8 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Tube
Headers & Wire Housings STANDARD PIN HEADER 399-10-109-10-007000 Mill-Max 1: ¥2,428.4 858In Stock 154Expected 11/16/2026	Mfr. Part # 399-10-109-10-007000 Mouser Part # 575-3991010910007000	Mill-Max	Headers & Wire Housings STANDARD PIN HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	858In Stock 154Expected 11/16/2026	¥2,428.4 ¥2,039.7 ¥1,948.4 ¥1,880.3 View ¥1,792.2 ¥1,466.7 ¥1,372 ¥1,332.1 Quote	Min.: 1 Mult.: 1		Headers	Socket	9 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Tube
Headers & Wire Housings 64 POS R/ANGLE .100" 399-10-164-10-009000 Mill-Max 1: ¥3,416.7 37In Stock	Mfr. Part # 399-10-164-10-009000 Mouser Part # 575-643909	Mill-Max	Headers & Wire Housings 64 POS R/ANGLE .100" Learn More about Mill-Max millmax 399 connectors	Datasheet	37In Stock	¥3,416.7 ¥2,959.9 ¥2,805.4 ¥2,763.9 View ¥2,451.6 ¥2,298.8 ¥2,227.4 Quote	Min.: 1 Mult.: 1		Headers	Socket	64 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Tube
Headers & Wire Housings STANDARD SOCKET HEADER 399-10-002-00-310000 Mill-Max 1: ¥2,518.1 52In Stock	Mfr. Part # 399-10-002-00-310000 Mouser Part # 575-3991000200310000	Mill-Max	Headers & Wire Housings STANDARD SOCKET HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	52In Stock	¥2,518.1 ¥2,139.4 ¥2,127.7 ¥1,818.8 View ¥1,782.3 ¥1,622.8 ¥1,519.8 Quote	Min.: 1 Mult.: 1		Headers	Socket	2 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder	Straight	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings Interconnect Header 399-10-003-00-310000 Mill-Max 1: ¥1,747.4 81In Stock	Mfr. Part # 399-10-003-00-310000 Mouser Part # 575-3991000300310000	Mill-Max	Headers & Wire Housings Interconnect Header Learn More about Mill-Max millmax 399 connectors	Datasheet	81In Stock	¥1,747.4 ¥1,486.6 ¥1,244.1 ¥1,109.5 View ¥1,063 Quote	Min.: 1 Mult.: 1		Headers	Socket	3 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder	Straight	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD SOCKET HEADER 399-10-006-00-310000 Mill-Max 1: ¥2,910.1 3In Stock	Mfr. Part # 399-10-006-00-310000 Mouser Part # 575-3991000600310000	Mill-Max	Headers & Wire Housings STANDARD SOCKET HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	3In Stock	¥2,910.1 ¥2,732.3 ¥2,453.3 ¥2,167.6 View ¥2,063 ¥2,014.8 ¥1,870.3 ¥1,850.4 Quote	Min.: 1 Mult.: 1		Headers	Socket	6 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder	Straight	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings Interconnect Header 399-10-014-00-310000 Mill-Max 1: ¥2,825.4 65In Stock	Mfr. Part # 399-10-014-00-310000 Mouser Part # 575-3991001400310000	Mill-Max	Headers & Wire Housings Interconnect Header Learn More about Mill-Max millmax 399 connectors	Datasheet	65In Stock	¥2,825.4 ¥2,750.6 ¥2,287.2 ¥2,077.9 ¥1,661	Min.: 1 Mult.: 1		Headers	Socket	14 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder	Straight	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings RA TargetConcaveFace Sngl Row 399-10-102-10-007000 Mill-Max 1: ¥802.3 7In Stock	Mfr. Part # 399-10-102-10-007000 Mouser Part # 575-3991010210000000	Mill-Max	Headers & Wire Housings RA TargetConcaveFace Sngl Row Learn More about Mill-Max millmax 399 connectors	Datasheet	7In Stock	¥802.3 ¥681 ¥637.8 ¥602.9 View ¥573 ¥534.8 ¥516.6 ¥491.7 ¥460.1	Min.: 1 Mult.: 1		Headers	Socket	2 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings RA TargetConcaveFace Sngl Row 399-10-103-10-007000 Mill-Max 1: ¥991.6 38In Stock	Mfr. Part # 399-10-103-10-007000 Mouser Part # 575-3991010310000000	Mill-Max	Headers & Wire Housings RA TargetConcaveFace Sngl Row Learn More about Mill-Max millmax 399 connectors	Datasheet	38In Stock	¥991.6 ¥843.8 ¥790.6 ¥700.9 View ¥667.7 ¥634.5 ¥601.3 ¥563.1	Min.: 1 Mult.: 1		Headers	Socket	3 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings RA TargetConcaveFace Sngl Row 399-10-104-10-007000 Mill-Max 1: ¥1,071.3 7In Stock	Mfr. Part # 399-10-104-10-007000 Mouser Part # 575-3991010410000000	Mill-Max	Headers & Wire Housings RA TargetConcaveFace Sngl Row Learn More about Mill-Max millmax 399 connectors	Datasheet	7In Stock	¥1,071.3 ¥911.9 ¥853.8 ¥812.2 View ¥774 ¥724.2 ¥691 ¥657.8 ¥616.2	Min.: 1 Mult.: 1		Headers	Socket	4 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold	3.2 mm (0.126 in)	0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings RA TargetConcaveFace Sngl Row 399-10-105-10-007000 Mill-Max 1: ¥1,159.4 66In Stock	Mfr. Part # 399-10-105-10-007000 Mouser Part # 575-3991010510000000	Mill-Max	Headers & Wire Housings RA TargetConcaveFace Sngl Row Learn More about Mill-Max millmax 399 connectors	Datasheet	66In Stock	¥1,159.4 ¥1,147.8 ¥1,146.1 ¥1,144.4 View ¥777.3 ¥744.1 ¥710.9	Min.: 1 Mult.: 1		Headers	Socket	5 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD PIN HEADER 399-10-107-10-007000 Mill-Max 1: ¥2,041.4 159In Stock	Mfr. Part # 399-10-107-10-007000 Mouser Part # 575-3991010710007000	Mill-Max	Headers & Wire Housings STANDARD PIN HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	159In Stock	¥2,041.4 ¥1,767.3 ¥1,646.1 ¥1,466.7 View ¥1,436.8 ¥1,320.5 ¥1,235.8 ¥1,172.7 Quote	Min.: 1 Mult.: 1		Headers	Socket	7 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Tube
Headers & Wire Housings Interconnect Header 399-11-103-10-003000 Mill-Max 1: ¥2,669.2 7In Stock	Mfr. Part # 399-11-103-10-003000 Mouser Part # 575-3991110310003000	Mill-Max	Headers & Wire Housings Interconnect Header Learn More about Mill-Max millmax 399 connectors	Datasheet	7In Stock	¥2,669.2 ¥2,267.3 ¥1,886.9 ¥1,652.7 View ¥1,494.9 ¥1,480	Min.: 1 Mult.: 1		Headers	Socket	3 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Socket (Female)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD SOCKET HEADER 399-13-105-10-003000 Mill-Max 1: ¥1,984.9 68In Stock	Mfr. Part # 399-13-105-10-003000 Mouser Part # 575-3991310510003000	Mill-Max	Headers & Wire Housings STANDARD SOCKET HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	68In Stock	¥1,984.9 ¥1,528.1 ¥1,415.2 ¥1,149.4 ¥1,109.5	Min.: 1 Mult.: 1		Headers	Socket	5 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Socket (Female)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD SOCKET HEADER 399-41-003-21-300000 Mill-Max 1: ¥1,965 147In Stock	Mfr. Part # 399-41-003-21-300000 Mouser Part # 575-3994100321300000	Mill-Max	Headers & Wire Housings STANDARD SOCKET HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	147In Stock	¥1,965 ¥1,671 ¥1,669.3 ¥1,396.9 View ¥1,385.3 ¥1,264 ¥1,190.9 Quote	Min.: 1 Mult.: 1		Sockets	Socket	3 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder	Straight	Socket (Female)	Tin		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD SOCKET HEADER 399-41-006-21-300000 Mill-Max 1: ¥3,273.8 98In Stock	Mfr. Part # 399-41-006-21-300000 Mouser Part # 575-3994100621300000	Mill-Max	Headers & Wire Housings STANDARD SOCKET HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	98In Stock	¥3,273.8 ¥3,046.3 ¥2,959.9 ¥2,438.3 View ¥2,436.7 ¥2,119.4 ¥1,935.1 ¥1,840.4 Quote	Min.: 1 Mult.: 1		Headers	Socket	6 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder	Straight	Socket (Female)	Tin		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD PIN HEADER Mill-Max 399-10-124-10-007000 399-10-124-10-007000 Mill-Max 1: ¥3,817 48In Stock	Mfr. Part # 399-10-124-10-007000 Mouser Part # 575-3991012410007000	Mill-Max	Headers & Wire Housings STANDARD PIN HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	48In Stock	¥3,817 ¥3,137.6 ¥2,988.1 ¥2,871.9 View ¥2,720.7 ¥2,541.3 ¥2,428.4 Quote	Min.: 1 Mult.: 1		Headers	Socket	24 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Tube
Headers & Wire Housings Interconnect Header 399-10-011-00-310000 Mill-Max 1: ¥2,551.3 83In Stock	Mfr. Part # 399-10-011-00-310000 Mouser Part # 575-3991001100310000	Mill-Max	Headers & Wire Housings Interconnect Header Learn More about Mill-Max millmax 399 connectors	Datasheet	83In Stock	¥2,551.3 ¥2,481.5 ¥2,461.6 ¥1,998.2 View ¥1,848.7 ¥1,812.2 ¥1,652.7 ¥1,622.8	Min.: 1 Mult.: 1		Headers	Socket	11 Position	1.27 mm (0.05 in)	1 Row		Solder		Pin (Male)	Gold		0399			Bulk
Headers & Wire Housings STANDARD PIN HEADER 399-10-101-10-007000 Mill-Max 1: ¥486.7 258In Stock	Mfr. Part # 399-10-101-10-007000 Mouser Part # 575-3991010110007000	Mill-Max	Headers & Wire Housings STANDARD PIN HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	258In Stock	¥486.7 ¥441.8 ¥418.6 ¥388.7 View ¥340.5 ¥320.6 ¥277.4 ¥254.1 ¥235.9	Min.: 1 Mult.: 1		Headers	Socket	1 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings Interconnect Header 399-10-103-10-009000 Mill-Max 1: ¥945.1 143In Stock	Mfr. Part # 399-10-103-10-009000 Mouser Part # 575-3991010310009000	Mill-Max	Headers & Wire Housings Interconnect Header Learn More about Mill-Max millmax 399 connectors	Datasheet	143In Stock	¥945.1 ¥860.4 ¥813.9 ¥795.6 View ¥757.4 ¥657.8 ¥602.9 ¥509.9 ¥465.1	Min.: 1 Mult.: 1		Headers	Socket	3 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD PIN HEADER 399-10-108-10-008000 Mill-Max 250: ¥955.1 Non-Stocked Lead-Time 2 Weeks	Mfr. Part # 399-10-108-10-008000 Mouser Part # 575-3991010810008000	Mill-Max	Headers & Wire Housings STANDARD PIN HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	Non-Stocked Lead-Time 2 Weeks	¥955.1 ¥896.9 ¥705.9 ¥667.7	Min.: 250 Mult.: 25		Headers	Socket	8 Position	2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin	Right Angle	Pin (Male)	Gold		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings STANDARD SOCKET HEADER 399-41-017-21-300000 Mill-Max 1: ¥5,084.3 6In Stock	Mfr. Part # 399-41-017-21-300000 Mouser Part # 575-3994101721300000	Mill-Max	Headers & Wire Housings STANDARD SOCKET HEADER Learn More about Mill-Max millmax 399 connectors	Datasheet	6In Stock	¥5,084.3 ¥3,866.8 ¥3,865.1 ¥3,449.9 View ¥3,345.3 ¥3,054.6 Quote	Min.: 1 Mult.: 1		Headers	Socket	17 Position	2.54 mm (0.1 in)	1 Row	SMD/SMT	Solder	Straight	Socket (Female)	Tin		0399	- 55 C	+ 125 C	Bulk
Headers & Wire Housings 3 POS RT ANG 7 ROW 399-93-103-10-003000 Mill-Max 1: ¥1,069.7 200In Stock	Mfr. Part # 399-93-103-10-003000 Mouser Part # 575-39903	Mill-Max	Headers & Wire Housings 3 POS RT ANG 7 ROW Learn More about Mill-Max millmax 399 connectors	Datasheet	200In Stock	¥1,069.7 ¥966.7 ¥913.6 ¥892 View ¥847.1 ¥710.9 ¥637.8 ¥553.1 ¥511.6	Min.: 1 Mult.: 1	No	Headers	Pin Strip		2.54 mm (0.1 in)	1 Row	Through Hole	Solder Pin			Tin		0399			Bulk
Headers & Wire Housings Interconnect Header 399-91-005-21-300000 Mill-Max 1: ¥2,229.1 38In Stock	Mfr. Part # 399-91-005-21-300000 Mouser Part # 575-3999100521300000	Mill-Max	Headers & Wire Housings Interconnect Header Learn More about Mill-Max millmax 399 connectors	Datasheet	38In Stock	¥2,229.1 ¥1,974.9 ¥1,900.2 ¥1,823.8 View ¥1,722.5 ¥1,569.6 ¥1,468.3 ¥1,347.1	Min.: 1 Mult.: 1	No	Connectors	Socket	5 Position	1.27 mm (0.05 in)	1 Row	SMD/SMT	Solder		Socket (Female)	Gold		0399	- 55 C	+ 125 C	Bulk