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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: $10.46 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	$10.46 $9.46 $9.08 $8.77 View $8.15 $7.89 $7.51 $7.32 Quote	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: $4.84 8,088In 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	8,088In Stock	$4.84 $4.22 $4.17 $4.04 View $3.67 $3.41 $3.31 $3.11 $2.86	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: $2.21 13,285In 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	13,285In Stock	$2.21 $1.96 $1.95 $1.82 View $1.73 $1.65 $1.48	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: $1.22 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	$1.22 $1.09 $0.996 $0.935 View $0.871 $0.80 $0.769	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: $8.04 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	$8.04 $6.95 $6.92 $6.39 View $6.33 $5.98 $5.93 $5.84 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: $2.60 17,477In 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	17,477In Stock	$2.60 $2.30 $2.29 $2.04 View $1.87 $1.73 $1.70	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 $3.85 $3.73	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. Recept. Housing, Dual Row, 2 Pos., UL 94V-2, Black 39-01-3025 Molex 1: $0.30 43,184In Stock	Mfr. Part # 39-01-3025 Mouser Part # 538-39-01-3025	Molex	Headers & Wire Housings Mini-Fit Jr. Recept. Housing, Dual Row, 2 Pos., UL 94V-2, Black Learn More about Molex minifit jr connectors	Datasheet	43,184In Stock	$0.30 $0.257 $0.232 $0.201 View $0.176 $0.165 $0.164 $0.161	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: $2.88 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	$2.88 $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: $0.99 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	$0.99 $0.892 $0.874 $0.823 View $0.766 $0.717 $0.701 $0.647	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, Gold, Natural 39-28-9148 Molex 1: $9.42 1,354In Stock	Mfr. Part # 39-28-9148 Mouser Part # 538-39-28-9148	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 14 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	1,354In Stock	$9.42 $7.33 $7.32 $7.05 View $6.37 $5.78 $5.63 $5.40 Quote	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: $1.24 6,071In 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	6,071In Stock	$1.24 $1.02 $0.934 $0.912 View $0.856 $0.812 $0.757 $0.747	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 4,156In 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	4,156In Stock	$1.06 $0.896 $0.74 $0.712 View $0.631 $0.594 $0.577	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. Recept. Housing, Dual Row, 18 Pos., UL 94V-0, Natural 39-01-2185 Molex 1: $1.02 19,389In 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	19,389In Stock	$1.02 $0.888 $0.821 $0.77 View $0.722 $0.679 $0.651 $0.575	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: $2.63 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	$2.63 $2.41 $2.25 $2.07 View $1.94 $1.85 $1.76 $1.69 $1.58	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 24 Pos., PA Polyamide Nylon 6/6 94V-0, 0.76 m Select Gold (Au) Pltg 39-30-1242 Molex 1: $15.06 667In Stock	Mfr. Part # 39-30-1242 Mouser Part # 538-39-30-1242	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ Snap-in Plastic Peg PCB Lock, 24 Pos., PA Polyamide Nylon 6/6 94V-0, 0.76 m Select Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	667In Stock	$15.06 $12.54 $12.34 $12.15 View $10.89 $10.80 $9.78 $9.43	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 665In 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	665In 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. Header, Dual Row, R/A, w/ PCB Mtg Flange, 6 Pos., PA Polyamide Nylon 6/6 94V-0, Gold (Au) Pltg 39-29-4069 Molex 1: $4.16 1,301In Stock	Mfr. Part # 39-29-4069 Mouser Part # 538-39-29-4069	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 6 Pos., PA Polyamide Nylon 6/6 94V-0, Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	1,301In Stock	$4.16 $3.54 $2.96 $2.92 View $2.56 $2.50 $2.42 $2.39 $2.37	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 39-29-9243 Molex 1: $3.50 3,495In Stock 1,200Expected 1/5/2027	Mfr. Part # 39-29-9243 Mouser Part # 538-39-29-9243	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	3,495In Stock 1,200Expected 1/5/2027	$3.50 $3.16 $3.04 $2.80 View $2.65 $2.52 $2.29 $2.18	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., w/o Flange, 4 Pos., Tin (Sn) over Nickel (Ni) Pltg, Bulk Packaging 87427-0442 Molex 1: $1.26 11,950In Stock	Mfr. Part # 87427-0442 Mouser Part # 538-87427-0442	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., w/o Flange, 4 Pos., Tin (Sn) over Nickel (Ni) Pltg, Bulk Packaging Learn More about Molex minifit jr connectors	Datasheet	11,950In Stock	$1.26 $1.07 $0.914 $0.892 View $0.793 $0.758 $0.719 $0.718 $0.697	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., Nylon, w/o Flange, 14 Pos., Tin (Sn) over Nickel (Ni) Pltg, Bulk Packaging 87427-1442 Molex 1: $3.05 5,693In Stock	Mfr. Part # 87427-1442 Mouser Part # 538-87427-1442	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., Nylon, w/o Flange, 14 Pos., Tin (Sn) over Nickel (Ni) Pltg, Bulk Packaging Learn More about Molex minifit jr connectors	Datasheet	5,693In Stock	$3.05 $2.59 $2.53 $2.07 View $1.97 $1.77 $1.62 $1.52	Min.: 1 Mult.: 1
Headers & Wire Housings MiniFit Jr Rcpt DR V DR V2 SdTab Bk 2Ckt 39-01-6026 Molex 1: $0.37 8,237In Stock	Mfr. Part # 39-01-6026 Mouser Part # 538-39-01-6026	Molex	Headers & Wire Housings MiniFit Jr Rcpt DR V DR V2 SdTab Bk 2Ckt Learn More about Molex minifit jr connectors	Datasheet	8,237In Stock	$0.37 $0.318 $0.283 $0.27 View $0.241 $0.223 $0.209 $0.199 $0.198	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Single Row, 5 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-30-2052 Molex 1: $2.21 6,000In Stock	Mfr. Part # 39-30-2052 Mouser Part # 538-39-30-2052	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Single Row, 5 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	6,000In Stock	$2.21 $2.00 $1.95 $1.85 View $1.76 $1.73 $1.58 $1.55 $1.43	Min.: 1 Mult.: 1

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Mini-Fit Jr. Wire-to-Board Connectors

Types of Connectors