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Mini-Fit Jr. Wire-to-Board Connectors

Molex Mini-Fit Jr.™ Wire-to-Board Connectors are designed for power applications up to 9.0A per circuit. The offering includes 2-to-24 circuit options, and features multiple plating and material selections. The Mini-Fit Jr.™ Wire-to-Board Connectors are available in female contact, right-angle/single row header, right-angle/double row header, vertical/single row header, vertical/double row header, single-row receptacle, and double-row receptacle versions.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 24 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-28-9248 Molex 1: $9.96 5,051In Stock	Mfr. Part # 39-28-9248 Mouser Part # 538-39-28-9248	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 24 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	5,051In Stock	$9.96 $9.16 $8.79 $8.45 View $7.80 $7.66 $7.04 $6.92 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 10 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural 39-31-0108 Molex 1: $6.90 3,652In Stock	Mfr. Part # 39-31-0108 Mouser Part # 538-39-31-0108	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 10 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	3,652In Stock	$6.90 $5.87 $5.84 $4.67 View $4.45 $3.83 $3.73	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-28-9168 Molex 1: $11.08 2,594In Stock	Mfr. Part # 39-28-9168 Mouser Part # 538-39-28-9168	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	2,594In Stock	$11.08 $10.19 $10.08 $9.97 View $8.95 $8.73 $8.20 $7.59 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 4 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-29-9049 Molex 1: $2.03 12,838In Stock	Mfr. Part # 39-29-9049 Mouser Part # 538-39-29-9049	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 4 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	12,838In Stock	$2.03 $1.91 $1.82 $1.67 View $1.65 $1.48 $1.39	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/out Snap-in Plastic Peg PCB Lock, Tin, Natural 39-31-0060 Molex 1: $1.12 34,090In Stock	Mfr. Part # 39-31-0060 Mouser Part # 538-39-31-0060	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/out Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	34,090In Stock	$1.12 $1.01 $0.931 $0.883 View $0.845 $0.754 $0.722 $0.721	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-29-9169 Molex 1: $7.95 4,191In Stock	Mfr. Part # 39-29-9169 Mouser Part # 538-39-29-9169	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	4,191In Stock	$7.95 $6.86 $6.85 $6.28 View $6.26 $5.91 $5.89 $5.82 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 8 Pos., PA Polyamide Nylon 6/6 94V-2, 0.76 m Select Gold (Au) Pltg 39-30-1081 Molex 1: $2.30 15,275In Stock	Mfr. Part # 39-30-1081 Mouser Part # 538-39-30-1081	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 8 Pos., PA Polyamide Nylon 6/6 94V-2, 0.76 m Select Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	15,275In Stock	$2.30 $2.29 $2.04 $1.86 $1.68	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 10 Pos., PA Polyamide Nylon 6/6 94V-0, 0.76 m Select Gold (Au) Pltg 39-30-1102 Molex 1: $4.61 8,020In Stock	Mfr. Part # 39-30-1102 Mouser Part # 538-39-30-1102	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 10 Pos., PA Polyamide Nylon 6/6 94V-0, 0.76 m Select Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	8,020In Stock	$4.61 $4.06 $4.05 $3.91 View $3.50 $3.30 $3.21 $2.97 $2.84	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Recept. Housing, Dual Row, 18 Pos., UL 94V-0, Natural 39-01-2185 Molex 1: $0.95 19,344In Stock	Mfr. Part # 39-01-2185 Mouser Part # 538-39-01-2185	Molex	Headers & Wire Housings Mini-Fit Jr. Recept. Housing, Dual Row, 18 Pos., UL 94V-0, Natural Learn More about Molex minifit jr connectors	Datasheet	19,344In Stock	$0.95 $0.84 $0.79 $0.769 View $0.697 $0.679 $0.651 $0.558	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 14 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-9146 Molex 1: $2.50 2,046In Stock	Mfr. Part # 39-29-9146 Mouser Part # 538-39-29-9146	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 14 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	2,046In Stock	$2.50 $2.30 $2.14 $1.96 View $1.81 $1.78 $1.71 $1.69 $1.58	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 24 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-9247 Molex 1: $4.02 3,666In Stock	Mfr. Part # 39-29-9247 Mouser Part # 538-39-29-9247	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 24 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	3,666In Stock	$4.02 $3.52 $3.47 $3.00 View $2.91 $2.66 $2.51 $2.42 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings MINI-FIT 4 CKT RA MF A-44130-0006 44130-0006 Molex 1: $2.61 1,136In Stock	Mfr. Part # 44130-0006 Mouser Part # 538-44130-0006	Molex	Headers & Wire Housings MINI-FIT 4 CKT RA MF A-44130-0006 Learn More about Molex minifit jr connectors	Datasheet	1,136In Stock	$2.61 $2.27 $1.60 $1.59 View $1.58 $1.47 $1.35 $1.32	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-29-9065 Molex 1: $2.85 2,142In Stock	Mfr. Part # 39-29-9065 Mouser Part # 538-39-29-9065	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	2,142In Stock	$2.85 $2.64 $2.35 $2.24 View $2.03 $1.94	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 2 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural 39-31-0027 Molex 1: $0.88 10,604In Stock	Mfr. Part # 39-31-0027 Mouser Part # 538-39-31-0027	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 2 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	10,604In Stock	$0.88 $0.806 $0.797 $0.758 View $0.725 $0.692 $0.686 $0.607	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 10 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-9103 Molex 1: $1.04 6,069In Stock	Mfr. Part # 39-29-9103 Mouser Part # 538-39-29-9103	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 10 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	6,069In Stock	$1.04 $0.90 $0.844 $0.842 View $0.783 $0.752 $0.742 $0.673 $0.668	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, Vert., w/ 11.9mm Locking Ramp, 8 Pos., w/ Peg 2 Snap-in Plastic Peg 44206-0005 Molex 1: $1.06 4,146In Stock	Mfr. Part # 44206-0005 Mouser Part # 538-44206-0005	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, Vert., w/ 11.9mm Locking Ramp, 8 Pos., w/ Peg 2 Snap-in Plastic Peg Learn More about Molex minifit jr connectors	Datasheet	4,146In Stock	$1.06 $0.896 $0.693 $0.683 View $0.602 $0.577	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural 39-31-0167 Molex 1: $10.51 854In Stock	Mfr. Part # 39-31-0167 Mouser Part # 538-39-31-0167	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	854In Stock	$10.51 $9.46 $8.92 $8.69 View $8.46 $7.54 $7.08 $6.34 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 20 Pos., PA Polyamide Nylon 6/6 94V-0, Tin (Sn) Pltg 39-29-1207 Molex 1: $4.48 635In Stock	Mfr. Part # 39-29-1207 Mouser Part # 538-39-29-1207	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 20 Pos., PA Polyamide Nylon 6/6 94V-0, Tin (Sn) Pltg Learn More about Molex minifit jr connectors	Datasheet	635In Stock	$4.48 $3.95 $3.94 $3.93 View $3.46 $3.22 $3.20 $3.10 $3.09	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 18 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-9186 Molex 1: $3.88 1,248In Stock	Mfr. Part # 39-29-9186 Mouser Part # 538-39-29-9186	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 18 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	1,248In Stock	$3.88 $3.67 $3.12 $2.79 View $2.65 $2.64 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 22 Pos., PA Polyamide Nylon 6/6 94V-2, 0.76 m Select Gold (Au) Pltg 39-30-1221 Molex 1: $10.94 491In Stock	Mfr. Part # 39-30-1221 Mouser Part # 538-39-30-1221	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 22 Pos., PA Polyamide Nylon 6/6 94V-2, 0.76 m Select Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	491In Stock	$10.94 $7.26 $7.25 $6.35	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-30-6068 Molex 1: $1.43 2,303In Stock	Mfr. Part # 39-30-6068 Mouser Part # 538-39-30-6068	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	2,303In Stock	$1.43 $1.22 $1.10 $1.01 View $0.937 $0.876 $0.838 $0.797 $0.759	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 24 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-30-6247 Molex 1: $4.61 1,640In Stock	Mfr. Part # 39-30-6247 Mouser Part # 538-39-30-6247	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 24 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	1,640In Stock	$4.61 $3.94 $3.91 $3.33 View $2.97 $2.28 $2.24 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., R/A, Nylon, w/o Flange,22 Pos., Tin (Sn) over Nickel (Ni) Pltg 87427-2202 Molex 1: $5.12 1,423In Stock	Mfr. Part # 87427-2202 Mouser Part # 538-87427-2202	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., R/A, Nylon, w/o Flange,22 Pos., Tin (Sn) over Nickel (Ni) Pltg Learn More about Molex minifit jr connectors	Datasheet	1,423In Stock	$5.12 $4.66 $2.79 $2.78 View $2.73 $2.65 $2.61 $2.60	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 14 Pos., w/out Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-3146 Molex 1: $2.12 1,107In Stock	Mfr. Part # 39-29-3146 Mouser Part # 538-39-29-3146	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 14 Pos., w/out Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	1,107In Stock	$2.12 $1.93 $1.88 $1.67 View $1.66 $1.43 $1.29 $1.24	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 10 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-9102 Molex 1: $1.56 6,286In Stock	Mfr. Part # 39-29-9102 Mouser Part # 538-39-29-9102	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 10 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	6,286In Stock	$1.56 $1.36 $1.29 $1.21 View $1.17 $0.888	Min.: 1 Mult.: 1

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Mini-Fit Jr. Wire-to-Board Connectors

Types of Connectors