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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 (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
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: £3.84 1,423In Stock	Mfr. Part No. 87427-2202 Mouser Part No 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	£3.84 £3.50 £2.06 £2.05 View £2.01 £1.97	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-2, 0.76 m Select Gold (Au) Pltg 39-30-1241 Molex 1: £5.60 1,734In Stock	Mfr. Part No. 39-30-1241 Mouser Part No 538-39-30-1241	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-2, 0.76 m Select Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	1,734In Stock	£5.60	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, Gold, Natural 39-31-0068 Molex 1: £2.29 1,140In Stock	Mfr. Part No. 39-31-0068 Mouser Part No 538-39-31-0068	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	1,140In Stock	£2.29 £1.86 £1.84 £1.63 View £1.59 £1.58	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: £1.48 1,099In Stock	Mfr. Part No. 39-29-3146 Mouser Part No 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	1,099In Stock	£1.48 £1.26 £1.11 £0.995 View £0.969 £0.934	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: £1.15 6,246In Stock	Mfr. Part No. 39-29-9102 Mouser Part No 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	6,246In Stock	£1.15 £1.01 £0.943 £0.89 View £0.849 £0.826 £0.693	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, Tin, Natural 39-30-6167 Molex 1: £1.79 1,511In Stock	Mfr. Part No. 39-30-6167 Mouser Part No 538-39-30-6167	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 16 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	1,511In Stock	£1.79 £1.57 £1.39 £1.27 View £1.24 £1.15 £1.10 £1.05 £1.04	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., w/o Flange, 2 Pos., Tin (Sn) over Nickel (Ni) Pltg, Bulk Packaging 87427-0242 Molex 1: £0.743 6,395In Stock	Mfr. Part No. 87427-0242 Mouser Part No 538-87427-0242	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., w/o Flange, 2 Pos., Tin (Sn) over Nickel (Ni) Pltg, Bulk Packaging Learn More about Molex minifit jr connectors	Datasheet	6,395In Stock	£0.743 £0.631 £0.63 £0.586 View £0.505 £0.469 £0.45 £0.429 £0.378	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., R/A, w/ Flange, 10 Pos., Tin (Sn) over Nickel (Ni) Pltg 87427-1012 Molex 1: £2.21 1,010In Stock	Mfr. Part No. 87427-1012 Mouser Part No 538-87427-1012	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., R/A, w/ Flange, 10 Pos., Tin (Sn) over Nickel (Ni) Pltg Learn More about Molex minifit jr connectors	Datasheet	1,010In Stock	£2.21 £2.01 £1.90 £1.77 View £1.58 £1.48 £1.23 £1.19 £1.17	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 8 Pos., w/out Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-3086 Molex 1: £0.826 10,611In Stock	Mfr. Part No. 39-29-3086 Mouser Part No 538-39-29-3086	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 8 Pos., w/out Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	10,611In Stock	£0.826 £0.746 £0.711 £0.707 View £0.678 £0.56 £0.53	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 39-29-9064 Molex 1: £2.28 3,291In Stock	Mfr. Part No. 39-29-9064 Mouser Part No 538-39-29-9064	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	3,291In Stock	£2.28 £2.07 £1.93 £1.68 £1.62	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 20 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural 39-29-9206 Molex 1: £2.76 5,674In Stock	Mfr. Part No. 39-29-9206 Mouser Part No 538-39-29-9206	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 20 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	5,674In Stock	£2.76 £2.35 £1.99 £1.80 View £1.78 £1.63 £1.57 £1.54 £1.53	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: £10.59 667In Stock	Mfr. Part No. 39-30-1242 Mouser Part No 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	£10.59 £9.62 £8.18 £8.01 £7.08	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, Tin, Natural 39-30-6047 Molex 1: £0.713 6,852In Stock	Mfr. Part No. 39-30-6047 Mouser Part No 538-39-30-6047	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 4 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural Learn More about Molex minifit jr connectors	Datasheet	6,852In Stock	£0.713 £0.608 £0.595 £0.462 View £0.457 £0.428 £0.413 £0.402 £0.393	Min.: 1 Mult.: 1
Headers & Wire Housings MiniFit Jr Rcpt DR V Rcpt DR V-2 Blk 3Ckt 39-01-5039 Molex 1: £0.338 44,404In Stock	Mfr. Part No. 39-01-5039 Mouser Part No 538-39-01-5039	Molex	Headers & Wire Housings MiniFit Jr Rcpt DR V Rcpt DR V-2 Blk 3Ckt Learn More about Molex minifit jr connectors	Datasheet	44,404In Stock	£0.338 £0.283 £0.252 £0.231 View £0.208 £0.175 £0.163	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, Gold, Natural 39-31-0067 Molex 1: £1.62 4,562In Stock	Mfr. Part No. 39-31-0067 Mouser Part No 538-39-31-0067	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 6 Pos., w/out Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	4,562In Stock	£1.62 £1.48 £1.41 £1.26 View £1.24 £1.16 £1.13	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 14 Pos., PA Polyamide Nylon 6/6 94V-2, Gold (Au) Pltg 39-29-5143 Molex 1: £4.09 138In Stock 800Expected 28/05/2027	Mfr. Part No. 39-29-5143 Mouser Part No 538-39-29-5143	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 14 Pos., PA Polyamide Nylon 6/6 94V-2, Gold (Au) Pltg Learn More about Molex minifit jr connectors	Datasheet	138In Stock 800Expected 28/05/2027	£4.09 £3.73 £3.53 £3.45 View £3.28 £2.87 £2.45 £2.21 £2.14	Min.: 1 Mult.: 1
Headers & Wire Housings MF Vert Hdr Assy 8Ck Assy 8Ckt Tin Black 39-31-9088 Molex 1: £1.53 487In Stock	Mfr. Part No. 39-31-9088 Mouser Part No 538-39-31-9088	Molex	Headers & Wire Housings MF Vert Hdr Assy 8Ck Assy 8Ckt Tin Black Learn More about Molex minifit jr connectors	Datasheet	487In Stock	£1.53 £1.34 £1.27 £1.20 View £1.07 £0.733 £0.732	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 14 Pos., PA Polyamide Nylon 6/6 94V-0, Tin (Sn) Pltg 39-29-1147 Molex 1: £2.93 256In Stock	Mfr. Part No. 39-29-1147 Mouser Part No 538-39-29-1147	Molex	Headers & Wire Housings Mini-Fit Jr. Header, Dual Row, R/A, w/ PCB Mtg Flange, 14 Pos., PA Polyamide Nylon 6/6 94V-0, Tin (Sn) Pltg Learn More about Molex minifit jr connectors	Datasheet	256In Stock	£2.93 £2.67 £2.53 £2.34 View £2.05 £1.79 £1.63	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., R/A, w/ Flange, 8 Pos., Tin (Sn) over Nickel (Ni) Pltg 87427-0812 Molex 1: £1.85 882In Stock	Mfr. Part No. 87427-0812 Mouser Part No 538-87427-0812	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., R/A, w/ Flange, 8 Pos., Tin (Sn) over Nickel (Ni) Pltg Learn More about Molex minifit jr connectors	Datasheet	882In Stock	£1.85 £1.62 £1.55 £1.44 View £1.31 £1.20 £0.96 £0.934 £0.925	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., w/o Flange, 8 Pos., 0.76 m Gold (Au) over Nickel (Ni) Pltg, Lead-Free, Bulk Packaging 87427-0848 Molex 1: £3.23 562In Stock	Mfr. Part No. 87427-0848 Mouser Part No 538-87427-0848	Molex	Headers & Wire Housings Mini-Fit Jr. Header, 4.2mm Pit., Vert., w/o Flange, 8 Pos., 0.76 m Gold (Au) over Nickel (Ni) Pltg, Lead-Free, Bulk Packaging Learn More about Molex minifit jr connectors	Datasheet	562In Stock	£3.23 £2.93 £2.78 £2.62 View £2.23 £2.19 £1.82 £1.79	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 39-29-9164 Molex 1: £4.69 377In Stock	Mfr. Part No. 39-29-9164 Mouser Part No 538-39-29-9164	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	377In Stock	£4.69 £4.30 £3.90 £3.89 View £3.79 £3.68 £3.50 £3.47	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 20 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-29-9205 Molex 1: £8.42 890In Stock	Mfr. Part No. 39-29-9205 Mouser Part No 538-39-29-9205	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 20 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	890In Stock	£8.42 £7.47 £7.18 £6.90 View £6.51 £5.94 £5.55 £5.25 Quote	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 20 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural 39-29-9209 Molex 1: £10.28 1,337In Stock	Mfr. Part No. 39-29-9209 Mouser Part No 538-39-29-9209	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 20 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	1,337In Stock	£10.28	Min.: 1 Mult.: 1
Headers & Wire Housings Mini-Fit Jr. First Mate / Last Break Header, 4.2mm Pit., Dual Row, R/A, 6 Pos., Nylon 6/6 94V-0, Natural, Matte Tin (Sn) Pltg, w/ Mtg Pegs, Bag 44130-0007 Molex 1: £2.60 1,057In Stock	Mfr. Part No. 44130-0007 Mouser Part No 538-44130-0007	Molex	Headers & Wire Housings Mini-Fit Jr. First Mate / Last Break Header, 4.2mm Pit., Dual Row, R/A, 6 Pos., Nylon 6/6 94V-0, Natural, Matte Tin (Sn) Pltg, w/ Mtg Pegs, Bag Learn More about Molex minifit jr connectors	Datasheet	1,057In Stock	£2.60 £2.37 £1.68 £1.48	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, Gold, Natural 39-29-9184 Molex 1: £6.48 1,321In Stock	Mfr. Part No. 39-29-9184 Mouser Part No 538-39-29-9184	Molex	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 18 Pos., w/ Snap-in Plastic Peg PCB Lock, Gold, Natural Learn More about Molex minifit jr connectors	Datasheet	1,321In Stock	£6.48 £4.85 £4.83 £4.78 View £4.37 £4.31 £4.08 £3.79 £3.78	Min.: 1 Mult.: 1

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Mini-Fit Jr. Wire-to-Board Connectors

Types of Connectors