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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Headers & Wire Housings 2mm Pit., Micro-Lock Plus Recept. Crimp Housing, Single Row, Positive Lock, 2 Pos., Low-Halogen, Black 505570-0201 Molex 1: ¥51.5 15,920In Stock	Mfr. Part # 505570-0201 Mouser Part # 538-505570-0201	Molex	Headers & Wire Housings 2mm Pit., Micro-Lock Plus Recept. Crimp Housing, Single Row, Positive Lock, 2 Pos., Low-Halogen, Black Learn More about Molex micro lock plus connectors	Datasheet	15,920In Stock	¥51.5 ¥43.5 ¥38.9 ¥37 View ¥33.1 ¥31.6 ¥28.6 ¥28.1 ¥27.4	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Micro-Lock Plus Recept. Crimp Housing, Single Row, Positive Lock, 6 Pos., Low-Halogen, Natural (White) 505570-0600 Molex 1: ¥83.1 7,513In Stock	Mfr. Part # 505570-0600 Mouser Part # 538-505570-0600	Molex	Headers & Wire Housings 2mm Pit., Micro-Lock Plus Recept. Crimp Housing, Single Row, Positive Lock, 6 Pos., Low-Halogen, Natural (White) Learn More about Molex micro lock plus connectors	Datasheet	7,513In Stock	¥83.1 ¥71.8 ¥65.6 ¥59.3 View ¥52.7 ¥45 ¥41.9 ¥39.7 ¥38.5	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Micro-Lock Plus Recept. Crimp Housing, Single Row, Positive Lock, 12 Pos., Low-Halogen, Black 505570-1201 Molex 1: ¥101.3 6,830In Stock	Mfr. Part # 505570-1201 Mouser Part # 538-505570-1201	Molex	Headers & Wire Housings 2mm Pit., Micro-Lock Plus Recept. Crimp Housing, Single Row, Positive Lock, 12 Pos., Low-Halogen, Black Learn More about Molex micro lock plus connectors	Datasheet	6,830In Stock	¥101.3 ¥88.2 ¥80.7 ¥72.8 View ¥62.1 ¥53 ¥49.7 ¥49.2 ¥45.2	Min.: 1 Mult.: 1
Headers & Wire Housings Micro-Lock Plus Female Crimp Terminal, 2mm Pit., Matte Tin (Sn) Pltg, 26-22 AWG, Reel 505572-1000 Molex 1: ¥36.5 423,009In Stock	Mfr. Part # 505572-1000 Mouser Part # 538-505572-1000	Molex	Headers & Wire Housings Micro-Lock Plus Female Crimp Terminal, 2mm Pit., Matte Tin (Sn) Pltg, 26-22 AWG, Reel Learn More about Molex micro lock plus connectors	Datasheet	423,009In Stock	Cut Tape ¥36.5 Reel ¥7.1 ¥6.8 ¥6.3 ¥6.1	Min.: 1 Mult.: 1 : 15,000
Headers & Wire Housings 2mm Pit., Micro-Lock Plus PCB Header, Single Row, Vert., SMT, Matte Tin Pltg, Positive Lock, 2 Pos., Low-Halogen, Black 505575-0271 Molex 1: ¥169.4 5,117In Stock	Mfr. Part # 505575-0271 Mouser Part # 538-505575-0271	Molex	Headers & Wire Housings 2mm Pit., Micro-Lock Plus PCB Header, Single Row, Vert., SMT, Matte Tin Pltg, Positive Lock, 2 Pos., Low-Halogen, Black Learn More about Molex micro lock plus connectors	Datasheet	5,117In Stock	Cut Tape ¥169.4 ¥146.3 ¥124.4 Reel ¥109.6 ¥101.3 View ¥95.3 ¥93 MouseReel Available	Min.: 1 Mult.: 1 : 600
Headers & Wire Housings 2mm Pit., Micro-Lock Plus PCB Header, Single Row, Vert., SMT, Matte Tin Pltg, Positive Lock, w/ Pick-and-Place Tape, 3 Pos., Low-Halogen, Black 505575-0381 Molex 1: ¥215.9 3,120In Stock	Mfr. Part # 505575-0381 Mouser Part # 538-505575-0381	Molex	Headers & Wire Housings 2mm Pit., Micro-Lock Plus PCB Header, Single Row, Vert., SMT, Matte Tin Pltg, Positive Lock, w/ Pick-and-Place Tape, 3 Pos., Low-Halogen, Black Learn More about Molex micro lock plus connectors	Datasheet	3,120In Stock	¥215.9 ¥184.4 ¥156.1 ¥149 View ¥132.4 ¥125.2 ¥116.4	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, SMT, Matte Tin Pltg, Positive Lock, 10 Pos., Low-Halogen, Black 505578-1071 Molex 1: ¥199.3 3,247In Stock	Mfr. Part # 505578-1071 Mouser Part # 538-505578-1071	Molex	Headers & Wire Housings 2mm Pit., Micro-Lock Plus PCB Header, Single Row, R/A, SMT, Matte Tin Pltg, Positive Lock, 10 Pos., Low-Halogen, Black Learn More about Molex micro lock plus connectors	Datasheet	3,247In Stock	¥199.3 ¥169.4 ¥143.3 ¥122.7 View ¥116.8 ¥114.1 ¥99.5	Min.: 1 Mult.: 1
Headers & Wire Housings 2.5mm Pit., Mini-Lock Female Crimp Terminal, Matte Tin Pltg, 26-24 AWG, Reel 50752-8400 Molex 1: ¥19.9 223,328In Stock	Mfr. Part # 50752-8400 Mouser Part # 538-50752-8400	Molex	Headers & Wire Housings 2.5mm Pit., Mini-Lock Female Crimp Terminal, Matte Tin Pltg, 26-24 AWG, Reel Learn More about Molex mini lock 2 5mm	Datasheet	223,328In Stock	Cut Tape ¥19.9 Reel ¥7 ¥5.8 ¥5.5	Min.: 1 Mult.: 1 : 10,000
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 3 Pos., Natural 51021-0300 Molex 1: ¥28.2 51,682In Stock 150,000Expected 12/24/2026	Mfr. Part # 51021-0300 Mouser Part # 538-51021-0300	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 3 Pos., Natural Learn More about Molex picoblade	Datasheet	51,682In Stock 150,000Expected 12/24/2026	¥28.2 ¥23.4 ¥20.9 ¥19.1 View ¥16.8 ¥15.4 ¥14.6 ¥13.6 ¥13.3	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 5 Pos., Natural 51021-0500 Molex 1: ¥31.6 70,025In Stock	Mfr. Part # 51021-0500 Mouser Part # 538-51021-0500	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 5 Pos., Natural Learn More about Molex picoblade	Datasheet	70,025In Stock	¥31.6 ¥28.6 ¥25.2 ¥20.8 View ¥19.1 ¥16.6 ¥15.8 ¥15.6 ¥15.3	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 6 Pos., Natural 51021-0600 Molex 1: ¥54.8 76,703In Stock	Mfr. Part # 51021-0600 Mouser Part # 538-51021-0600	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 6 Pos., Natural Learn More about Molex picoblade	Datasheet	76,703In Stock	¥54.8 ¥46.7 ¥41.2 ¥35.7 View ¥31.7 ¥26.4 ¥24.6 ¥23.8 ¥22.8	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 8 Pos., Natural 51021-0800 Molex 1: ¥48.2 66,242In Stock 154,000Expected 12/28/2026	Mfr. Part # 51021-0800 Mouser Part # 538-51021-0800	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 8 Pos., Natural Learn More about Molex picoblade	Datasheet	66,242In Stock 154,000Expected 12/28/2026	¥48.2 ¥40.5 ¥36.2 ¥33.2 View ¥30.4 ¥25.1 ¥24.1 ¥23.4	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 9 Pos., Natural 51021-0900 Molex 1: ¥48.2 64,399In Stock	Mfr. Part # 51021-0900 Mouser Part # 538-51021-0900	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 9 Pos., Natural Learn More about Molex picoblade	Datasheet	64,399In Stock	¥48.2 ¥42.9 ¥36.2 ¥34.2 View ¥31.6 ¥29.1 ¥27.7 ¥26.2 ¥25.4	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 10 Pos., Natural 51021-1000 Molex 1: ¥41.5 45,276In Stock	Mfr. Part # 51021-1000 Mouser Part # 538-51021-1000	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 10 Pos., Natural Learn More about Molex picoblade	Datasheet	45,276In Stock	¥41.5 ¥35 ¥31.4 ¥29.9 View ¥26.7 ¥24.3 ¥22.1 ¥21.6 ¥19.9	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 12 Pos., Natural 51021-1200 Molex 1: ¥63.1 17,360In Stock	Mfr. Part # 51021-1200 Mouser Part # 538-51021-1200	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 12 Pos., Natural Learn More about Molex picoblade	Datasheet	17,360In Stock	¥63.1 ¥55.5 ¥50.2 ¥43.5 View ¥40 ¥36.7 ¥33.9 ¥33.2 ¥32.1	Min.: 1 Mult.: 1
Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 14 Pos., Natural 51021-1400 Molex 1: ¥84.7 8,737In Stock	Mfr. Part # 51021-1400 Mouser Part # 538-51021-1400	Molex	Headers & Wire Housings 1.25mm Pit., PicoBlade Recept. Crimp Housing, Single Row, Friction Lock, 14 Pos., Natural Learn More about Molex picoblade	Datasheet	8,737In Stock	¥84.7 ¥73.3 ¥66.9 ¥60.5 View ¥50.3 ¥40.2 ¥38.2 ¥36.7 ¥34.9	Min.: 1 Mult.: 1
Headers & Wire Housings 2.5mm Pit., Board-In Crimp Housing, Single Row, 3 Pos., Natural 51035-0300 Molex 1: ¥44.8 17,592In Stock	Mfr. Part # 51035-0300 Mouser Part # 538-51035-0300	Molex	Headers & Wire Housings 2.5mm Pit., Board-In Crimp Housing, Single Row, 3 Pos., Natural Learn More about Molex board in connectors	Datasheet	17,592In Stock	¥44.8 ¥38 ¥34.1 ¥32.4 View ¥28.9 ¥23.6 ¥21.9 ¥21.6 ¥20.4	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 32 Pos., Center Polarization, Side Latches, Lead-Free 51110-3251 Molex 1: ¥212.6 2,793In Stock	Mfr. Part # 51110-3251 Mouser Part # 538-51110-3251	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 32 Pos., Center Polarization, Side Latches, Lead-Free Learn More about Molex milli grid connectors	Datasheet	2,793In Stock	¥212.6 ¥179.4 ¥172.7 ¥153 View ¥147.5 ¥111.8	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 6 Pos., Lead-Free 51110-0650 Molex 1: ¥54.8 31,664In Stock	Mfr. Part # 51110-0650 Mouser Part # 538-511100650	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 6 Pos., Lead-Free Learn More about Molex milli grid connectors	Datasheet	31,664In Stock	¥54.8 ¥47 ¥41.9 ¥39.9 View ¥33.2 ¥29.7 ¥28.7 ¥28.2 ¥27.4	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 16 Pos., Lead-Free 51110-1650 Molex 1: ¥96.3 11,975In Stock	Mfr. Part # 51110-1650 Mouser Part # 538-511101650	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 16 Pos., Lead-Free Learn More about Molex milli grid connectors	Datasheet	11,975In Stock	¥96.3 ¥84 ¥75.7 ¥70.6 View ¥59 ¥58.5	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 18 Pos., Center Polarization, Side Latches, Lead-Free 51110-1851 Molex 1: ¥112.9 5,129In Stock	Mfr. Part # 51110-1851 Mouser Part # 538-511101851	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 18 Pos., Center Polarization, Side Latches, Lead-Free Learn More about Molex milli grid connectors	Datasheet	5,129In Stock	¥112.9 ¥95.8 ¥85.4 ¥81.4 View ¥68.6 ¥62.5 ¥59.3 ¥56.5 ¥55	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 20 Pos., Lead-Free 51110-2050 Molex 1: ¥149.5 4,286In Stock	Mfr. Part # 51110-2050 Mouser Part # 538-511102050	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 20 Pos., Lead-Free Learn More about Molex milli grid connectors	Datasheet	4,286In Stock	¥149.5 ¥127.2 ¥113.4 ¥100.7 View ¥94.2 ¥88.5 ¥87.7 ¥76.9	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 22 Pos., Center Polarization, Side Latches, Lead-Free 51110-2251 Molex 1: ¥137.9 6,517In Stock 20Expected 11/16/2026	Mfr. Part # 51110-2251 Mouser Part # 538-511102251	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 22 Pos., Center Polarization, Side Latches, Lead-Free Learn More about Molex milli grid connectors	Datasheet	6,517In Stock 20Expected 11/16/2026	¥137.9 ¥124.2 ¥113.4 ¥108 View ¥96.3 ¥85 ¥79.7 ¥76.1 ¥72.4	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 24 Pos., Center Polarization, Side Latches, Lead-Free 51110-2451 Molex 1: ¥146.2 3,860In Stock	Mfr. Part # 51110-2451 Mouser Part # 538-511102451	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 24 Pos., Center Polarization, Side Latches, Lead-Free Learn More about Molex milli grid connectors	Datasheet	3,860In Stock	¥146.2 ¥123.7 ¥110.3 ¥102.8 View ¥96.7 ¥91 ¥86.4 ¥81.2 ¥79.1	Min.: 1 Mult.: 1
Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 30 Pos., Center Polarization, Side Latches, Lead-Free 51110-3051 Molex 1: ¥186 2,352In Stock 32,400On Order	Mfr. Part # 51110-3051 Mouser Part # 538-511103051	Molex	Headers & Wire Housings 2mm Pit., Milli-Grid Recept. Housing, 30 Pos., Center Polarization, Side Latches, Lead-Free Learn More about Molex milli grid connectors	Datasheet	2,352In Stock 32,400On Order On Order Ship Dates Mfr. #: 51110-3051 Stock: 2,352 Can Ship Immediately On Order: 20,400 Expected 12/3/2026 12,000 Expected 2/3/2027 Factory Lead-Time: 3 Weeks	¥186 ¥158.6 ¥141.4 ¥134.7 View ¥126.2 ¥120.3 ¥114.4 ¥107.3 ¥105.3	Min.: 1 Mult.: 1

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

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