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Signal Wire-to-Wire/Wire-to-Board Connectors

Molex Signal Wire-to-Wire/Wire-to-Board Connectors and Connector Systems feature a variety of wire-to-board signal connectors that offer design flexibility. Molex Signal WTW/WTB connectors and systems are ideal for personal computers and lighting, as well as automotive and industrial applications, depending on the model.

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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 2.5mm Pit., Mini-Lock Recept. Crimp Housing, Single Row, Positive Lock, 4 Pos., Black 51163-0441 Molex 1: $0.42 13,470In Stock	Mfr. Part # 51163-0441 Mouser Part # 538-51163-0441	Molex	Headers & Wire Housings 2.5mm Pit., Mini-Lock Recept. Crimp Housing, Single Row, Positive Lock, 4 Pos., Black Learn More about Molex mini lock 2 5mm	Datasheet	13,470In Stock	$0.42 $0.358 $0.315 $0.278 View $0.25 $0.211 $0.198	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, Vert., TH, Tin-Bismuth Pltg, Positive Lock, 6 Pos., Low-Halogen, Black 220097-0671 Molex 1: $0.94 6,850In Stock	Mfr. Part # 220097-0671 Mouser Part # 538-220097-0671	Molex	Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, Vert., TH, Tin-Bismuth Pltg, Positive Lock, 6 Pos., Low-Halogen, Black Learn More about Molex micro lock plus connectors	Datasheet	6,850In Stock	$0.94 $0.794 $0.762 $0.713 View $0.649 $0.584 $0.532 $0.498 $0.497	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 6 Pos., Black 220098-0671 Molex 1: $0.94 7,717In Stock	Mfr. Part # 220098-0671 Mouser Part # 538-220098-0671	Molex	Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 6 Pos., Black Learn More about Molex micro lock plus connectors	Datasheet	7,717In Stock	$0.94 $0.794 $0.762 $0.713 View $0.649 $0.584 $0.532 $0.498 $0.494	Min.: 1 Mult.: 1
Headers & Wire Housings 2.5mm Pit., Mini-Lock Recept. Crimp Housing, Single Row, Positive Lock, 6 Pos., Black 51163-0641 Molex 1: $0.53 9,152In Stock	Mfr. Part # 51163-0641 Mouser Part # 538-51163-0641	Molex	Headers & Wire Housings 2.5mm Pit., Mini-Lock Recept. Crimp Housing, Single Row, Positive Lock, 6 Pos., Black Learn More about Molex mini lock 2 5mm	Datasheet	9,152In Stock	$0.53 $0.451 $0.397 $0.351 View $0.315 $0.258 $0.242 $0.221 $0.22	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 3 Pos., Black 220098-0371 Molex 1: $0.87 11,803In Stock	Mfr. Part # 220098-0371 Mouser Part # 538-220098-0371	Molex	Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 3 Pos., Black Learn More about Molex micro lock plus connectors	Datasheet	11,803In Stock	$0.87 $0.759 $0.694 $0.626 View $0.572 $0.474 $0.444 $0.423 $0.414	Min.: 1 Mult.: 1
Headers & Wire Housings Milli-Grid Vert. Recept., 2mm Pit., Dual Row, TH, 3mm Tail Lg., 0.38 m Gold (Au) Pltg, 30 Pos., Lead-Free, Tube 79107-7014 Molex 1: $7.00 5,369In Stock	Mfr. Part # 79107-7014 Mouser Part # 538-79107-7014	Molex	Headers & Wire Housings Milli-Grid Vert. Recept., 2mm Pit., Dual Row, TH, 3mm Tail Lg., 0.38 m Gold (Au) Pltg, 30 Pos., Lead-Free, Tube Learn More about Molex milli grid connectors	Datasheet	5,369In Stock	$7.00 $5.86 $5.82 $5.79 View $5.15 $4.60 $4.38 $4.11	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., SMT, Shrouded, 6 Pos., 0.76 m Gold (Au) Pltg, Dual Side Slots, Center Friction Lock, w/ Pegs, w/ Cap, T/R 87832-0607 Molex 1: $1.12 24,628In Stock	Mfr. Part # 87832-0607 Mouser Part # 538-87832-0607	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., SMT, Shrouded, 6 Pos., 0.76 m Gold (Au) Pltg, Dual Side Slots, Center Friction Lock, w/ Pegs, w/ Cap, T/R Learn More about Molex milli grid connectors	Datasheet	24,628In Stock	Cut Tape $1.12 $1.02 $0.93 $0.925 Reel $0.804 View $0.882 $0.849 $0.777 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Headers & Wire Housings Milli-Grid Cable-to-Board Recept., Dual Row, IDT, Lead-Free, 10 Pos., 0.38 m Gold (Au) Pltg 87568-1063 Molex 1: $3.84 10,636In Stock	Mfr. Part # 87568-1063 Mouser Part # 538-87568-1063	Molex	Headers & Wire Housings Milli-Grid Cable-to-Board Recept., Dual Row, IDT, Lead-Free, 10 Pos., 0.38 m Gold (Au) Pltg Learn More about Molex milli grid connectors	Datasheet	10,636In Stock	$3.84 $3.67 $2.47 $1.92 View $1.84 $1.81 $1.64 $1.61 $1.54	Min.: 1 Mult.: 1
Headers & Wire Housings 1.5mm Pit., Pico-Lock Recept. Crimp Housing, Single Row, Positive Lock, 4 Pos., Black 504051-0401 Molex 1: $0.30 129,428In Stock	Mfr. Part # 504051-0401 Mouser Part # 538-504051-0401	Molex	Headers & Wire Housings 1.5mm Pit., Pico-Lock Recept. Crimp Housing, Single Row, Positive Lock, 4 Pos., Black Learn More about Molex pico lock connectors	Datasheet	129,428In Stock	$0.30 $0.259 $0.239 $0.223 View $0.213 $0.182 $0.177 $0.174 $0.169	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., iGrid Recept. Crimp Housing, Dual Row, Positive Lock, 14 Pos., Natural 501646-1400 Molex 1: $0.47 75,274In Stock	Mfr. Part # 501646-1400 Mouser Part # 538-501646-1400	Molex	Headers & Wire Housings 2mm Pit., iGrid Recept. Crimp Housing, Dual Row, Positive Lock, 14 Pos., Natural Learn More about Molex igrid connectors	Datasheet	75,274In Stock	$0.47 $0.391 $0.379 $0.378 View $0.355 $0.34 $0.328 $0.302 $0.301	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., SMT, Shrouded, 50 Pos., 0.38 m Gold (Au) Pltg, Dual Side Slots, Dual Friction Locks, Center Polarization, w/ Pegs, w/ Cap, T/R 87832-7422 Molex 1: $8.76 8,818In Stock	Mfr. Part # 87832-7422 Mouser Part # 538-87832-7422	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., SMT, Shrouded, 50 Pos., 0.38 m Gold (Au) Pltg, Dual Side Slots, Dual Friction Locks, Center Polarization, w/ Pegs, w/ Cap, T/R Learn More about Molex milli grid connectors	Datasheet	8,818In Stock	Cut Tape $8.76 $7.45 $7.44 $6.33 Reel $5.22 View $6.32 $5.65 $5.09	Min.: 1 Mult.: 1 : 1,000
Headers & Wire Housings 1.00mm Pitch, Pico-Clasp Female Crimp Terminal, Gold Plating 0.76um, 32-28 AWG, REEL OF 1000 501193-9000 (Mouser Reel) Molex 1,000: $0.157 108,000In Stock New At Mouser	Mfr. Part # 501193-9000 (Mouser Reel) Mouser Part # 538-501193-9000-MR New At Mouser	Molex	Headers & Wire Housings 1.00mm Pitch, Pico-Clasp Female Crimp Terminal, Gold Plating 0.76um, 32-28 AWG, REEL OF 1000		108,000In Stock	Reel $0.157 $0.153	Min.: 1,000 Mult.: 1,000 : 1,000
Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 12 Pos., Black 220098-1271 Molex 1: $1.43 2,864In Stock	Mfr. Part # 220098-1271 Mouser Part # 538-220098-1271	Molex	Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 12 Pos., Black Learn More about Molex micro lock plus connectors	Datasheet	2,864In Stock	$1.43 $1.21 $1.16 $1.09 View $0.987 $0.889 $0.79 $0.768 $0.752	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 10 Pos., Black 220098-1071 Molex 1: $1.24 6,413In Stock	Mfr. Part # 220098-1071 Mouser Part # 538-220098-1071	Molex	Headers & Wire Housings 1.25mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, TH, Tin-Bismuth Pltg, Positive Lock, 10 Pos., Black Learn More about Molex micro lock plus connectors	Datasheet	6,413In Stock	$1.24 $1.05 $1.01 $0.943 View $0.857 $0.772 $0.686 $0.667	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., TH, Shrouded, 40 Pos., 0.76 m Gold (Au) Pltg, 2.5mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, w/ Peg, Tube 87831-4029 Molex 1: $6.63 4,138In Stock	Mfr. Part # 87831-4029 Mouser Part # 538-87831-4029	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., TH, Shrouded, 40 Pos., 0.76 m Gold (Au) Pltg, 2.5mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, w/ Peg, Tube Learn More about Molex 87831 milli grid headers	Datasheet	4,138In Stock	$6.63 $6.00 $5.66 $5.52 View $5.25 $4.69 $4.42 $4.15	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., TH, Shrouded, 14 Pos., 0.38 m Gold (Au) Pltg, 3.5mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube 87831-1410 Molex 1: $4.06 6,277In Stock 12,800Expected 4/6/2027	Mfr. Part # 87831-1410 Mouser Part # 538-87831-1410	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., TH, Shrouded, 14 Pos., 0.38 m Gold (Au) Pltg, 3.5mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube Learn More about Molex 87831 milli grid headers	Datasheet	6,277In Stock 12,800Expected 4/6/2027	$4.06 $3.69 $3.50 $3.25 View $2.85 $2.77 $2.37 $2.28	Min.: 1 Mult.: 1
Headers & Wire Housings 1mm Pit., Pico-Clasp PCB Header, Dual Row, Vert., SMT, 0.10 m Gold Plated, Inner Positive Lock, 40 Pos., Natural 501190-4017 Molex 1: $2.95 18,303In Stock 3,160Expected 11/17/2026	Mfr. Part # 501190-4017 Mouser Part # 538-501190-4017	Molex	Headers & Wire Housings 1mm Pit., Pico-Clasp PCB Header, Dual Row, Vert., SMT, 0.10 m Gold Plated, Inner Positive Lock, 40 Pos., Natural Learn More about Molex pico clasp connectors	Datasheet	18,303In Stock 3,160Expected 11/17/2026	Cut Tape $2.95 $2.59 $2.58 $2.30 Reel $2.11 View $2.28 $2.14 $1.96 $1.87 MouseReel Available	Min.: 1 Mult.: 1 : 1,100
Headers & Wire Housings 1.25mm Pit., PicoBlade PCB Header, Single Row, Vert., SMT, Gold Flash Pltg, 4 Pos., T/R 53398-4004 Molex 1: $1.26 40,510In Stock	Mfr. Part # 53398-4004 Mouser Part # 538-53398-4004	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade PCB Header, Single Row, Vert., SMT, Gold Flash Pltg, 4 Pos., T/R	Datasheet	40,510In Stock	$1.26 $1.08 $0.913 $0.815 View $0.72 $0.69 $0.67	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, R/A, TH, 30 Pos., 0.38 m Gold (Au) Pltg, 2.16mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube 87833-3020 Molex 1: $4.45 12,900In Stock	Mfr. Part # 87833-3020 Mouser Part # 538-87833-3020	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, R/A, TH, 30 Pos., 0.38 m Gold (Au) Pltg, 2.16mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube Learn More about Molex milli grid connectors	Datasheet	12,900In Stock	$4.45 $3.13 $2.94 $2.67 View $2.62 $2.48 $2.41 $2.39	Min.: 1 Mult.: 1
Headers & Wire Housings 1mm Pit., Pico-Clasp PCB Header, Single Row, Vert., SMT, 0.76 m Gold Plated, Inner Positive Lock, 8 Pos., Natural 203557-0807 Molex 1: $4.12 7,425In Stock	Mfr. Part # 203557-0807 Mouser Part # 538-203557-0807	Molex	Headers & Wire Housings 1mm Pit., Pico-Clasp PCB Header, Single Row, Vert., SMT, 0.76 m Gold Plated, Inner Positive Lock, 8 Pos., Natural Learn More about Molex pico clasp connectors	Datasheet	7,425In Stock	Cut Tape $4.12 $3.75 $3.56 $3.31 Reel $2.41 View $2.90 $2.81 $2.25 MouseReel Available	Min.: 1 Mult.: 1 : 1,100
Headers & Wire Housings Milli-Grid Cable-to-Board Recept., Dual Row, IDT, Lead-Free, 14 Pos., 0.38 m Gold (Au) Pltg, Center Polarization Key 87568-1443 Molex 1: $3.06 10,400In Stock	Mfr. Part # 87568-1443 Mouser Part # 538-87568-1443	Molex	Headers & Wire Housings Milli-Grid Cable-to-Board Recept., Dual Row, IDT, Lead-Free, 14 Pos., 0.38 m Gold (Au) Pltg, Center Polarization Key Learn More about Molex milli grid connectors	Datasheet	10,400In Stock	$3.06 $2.67 $2.11 $1.93 View $1.81 $1.71 $1.70 $1.66	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., TH, Shrouded, 22 Pos., 0.38 m Gold (Au) Pltg, 2.5mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube 87831-2220 Molex 1: $3.36 17,051In Stock	Mfr. Part # 87831-2220 Mouser Part # 538-87831-2220	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, Vert., TH, Shrouded, 22 Pos., 0.38 m Gold (Au) Pltg, 2.5mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube Learn More about Molex 87831 milli grid headers	Datasheet	17,051In Stock	$3.36 $2.68 $2.50 $2.49 View $2.38 $2.28 $2.26 $2.19	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, R/A, TH, 24 Pos., 0.38 m Gold (Au) Pltg, 2.16mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube 87833-2420 Molex 1: $3.07 14,811In Stock	Mfr. Part # 87833-2420 Mouser Part # 538-87833-2420	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, R/A, TH, 24 Pos., 0.38 m Gold (Au) Pltg, 2.16mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube Learn More about Molex milli grid connectors	Datasheet	14,811In Stock	$3.07 $2.80 $2.79 $2.56 View $2.41 $2.36 $2.23 $2.22	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, R/A, TH, 14 Pos., 0.76 m Gold (Au) Pltg, 3.18mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube 87833-5321 Molex 1: $3.74 25,606In Stock	Mfr. Part # 87833-5321 Mouser Part # 538-87833-5321	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid PCB Header, Dual Row, R/A, TH, 14 Pos., 0.76 m Gold (Au) Pltg, 3.18mm Tail Lg., Dual Side Slots, Dual Friction Locks, Center Polarization, Tube Learn More about Molex milli grid connectors	Datasheet	25,606In Stock	$3.74 $2.60 $2.19 $2.05 View $2.04 $1.99 $1.93	Min.: 1 Mult.: 1
Headers & Wire Housings 1.5mm Pit., Pico-SPOX PCB Header, Single Row, R/A, SMT, Tin over Nickel Pltg, Friction Lock, 2 Pos., T/R, Beige 87438-0243 Molex 1: $0.42 154,699In Stock	Mfr. Part # 87438-0243 Mouser Part # 538-87438-0243	Molex	Headers & Wire Housings 1.5mm Pit., Pico-SPOX PCB Header, Single Row, R/A, SMT, Tin over Nickel Pltg, Friction Lock, 2 Pos., T/R, Beige Learn More about Molex 1 5 pico spox connectors	Datasheet	154,699In Stock	Cut Tape $0.42 $0.368 $0.366 $0.329 Reel $0.293 View $0.306 $0.288 MouseReel Available	Min.: 1 Mult.: 1 : 1,000