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Micro-One Wire-to-Board Connectors with ISL

Molex Micro-One Wire-to-Board Connectors with Integrated Independent Secondary Lock (ISL) ensure proper terminal insertion and prevent accidental back-outs. These features allow the Micro-One Wire-to-Board Connectors to achieve secure electrical contact and improved mating retention in high-vibration applications. The series features a 2mm pitch low-profile design and high-reliability UL/CSA-certified connectors. Molex Micro-One with ISL offers 250V maximum voltage, 4A maximum current, and 30 cycles minimum durability.

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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 Micro-One Hdr RA 2mm SR 4Ckt BLK 205972-0041 Molex 1: $1.33 3,052In Stock	Mfr. Part No. 205972-0041 Mouser Part No 538-205972-0041	Molex	Headers & Wire Housings Micro-One Hdr RA 2mm SR 4Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	3,052In Stock	Cut Tape $1.33 $1.15 $1.13 $0.99 Reel $0.899 View $0.955 $0.825 $0.79 $0.716	Min.: 1 Mult.: 1 : 550
Headers & Wire Housings Micro-One Hdr RA 2mm SR 6Ckt BLK 205972-0061 Molex 1: $1.87 2,457In Stock	Mfr. Part No. 205972-0061 Mouser Part No 538-205972-0061	Molex	Headers & Wire Housings Micro-One Hdr RA 2mm SR 6Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	2,457In Stock	Cut Tape $1.87 $1.59 $1.36 Reel $1.20 $1.10 View $1.04 $1.01	Min.: 1 Mult.: 1 : 550
Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 2Ckt 205979-2021 Molex 1: $0.35 13,224In Stock	Mfr. Part No. 205979-2021 Mouser Part No 538-205979-2021	Molex	Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 2Ckt Learn More about Molex micro one wtb connectors	Datasheet	13,224In Stock	$0.35 $0.297 $0.265 $0.252 View $0.226 $0.212 $0.198 $0.197	Min.: 1 Mult.: 1
Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 8Ckt 205979-2081 Molex 1: $0.60 11,696In Stock	Mfr. Part No. 205979-2081 Mouser Part No 538-205979-2081	Molex	Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 8Ckt Learn More about Molex micro one wtb connectors	Datasheet	11,696In Stock	$0.60 $0.508 $0.454 $0.433 View $0.386 $0.37 $0.347 $0.341 $0.334	Min.: 1 Mult.: 1
Headers & Wire Housings MicroOne 3CKT TPA2.0Retainer Gray GW 212725-2030 Molex 1: $0.18 32,392In Stock	Mfr. Part No. 212725-2030 Mouser Part No 538-212725-2030	Molex	Headers & Wire Housings MicroOne 3CKT TPA2.0Retainer Gray GW Learn More about Molex micro one wtb connectors	Datasheet	32,392In Stock	$0.18 $0.156 $0.14 $0.133 View $0.117 $0.099 $0.09	Min.: 1 Mult.: 1
Headers & Wire Housings MicroOne Hdr Vrt 2mm SR 2Ckt BLK wCvrTp 205971-0021 Molex 1: $1.05 1,312In Stock	Mfr. Part No. 205971-0021 Mouser Part No 538-205971-0021	Molex	Headers & Wire Housings MicroOne Hdr Vrt 2mm SR 2Ckt BLK wCvrTp Learn More about Molex micro one wtb connectors	Datasheet	1,312In Stock	Cut Tape $1.05 $0.89 $0.756 Reel $0.675 $0.625 View $0.588 $0.573 MouseReel Available	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 3Ckt BLK 205971-0033 Molex 1: $1.30 745In Stock 3,000Expected 2027/03/18	Mfr. Part No. 205971-0033 Mouser Part No 538-205971-0033	Molex	Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 3Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	745In Stock 3,000Expected 2027/03/18	Cut Tape $1.30 $1.10 $0.935 Reel $0.834 $0.772 View $0.727 $0.709	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 4Ckt BLK 205971-0043 Molex 1: $1.35 120In Stock 3,000Expected 2027/01/13	Mfr. Part No. 205971-0043 Mouser Part No 538-205971-0043	Molex	Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 4Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	120In Stock 3,000Expected 2027/01/13	Cut Tape $1.35 $1.15 $1.04 $0.987 Reel $0.764	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 6Ckt BLK wCvrTp 205971-0061 Molex 1: $1.65 771In Stock	Mfr. Part No. 205971-0061 Mouser Part No 538-205971-0061	Molex	Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 6Ckt BLK wCvrTp Learn More about Molex micro one wtb connectors	Datasheet	771In Stock	Cut Tape $1.65 $1.41 $1.20 Reel $1.06 $0.983 View $0.926 $0.899	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings 8 Circuits, 2mm Pitch Vertical Micro-One Wire-to-Board Header 205971-0081 Molex 1: $1.88 1,095In Stock	Mfr. Part No. 205971-0081 Mouser Part No 538-205971-0081	Molex	Headers & Wire Housings 8 Circuits, 2mm Pitch Vertical Micro-One Wire-to-Board Header Learn More about Molex micro one wtb connectors	Datasheet	1,095In Stock	Cut Tape $1.88 $1.60 $1.36 Reel $1.21 $1.16 View $1.05 $1.02	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 8Ckt BLK 205971-0083 Molex 1: $1.90 353In Stock	Mfr. Part No. 205971-0083 Mouser Part No 538-205971-0083	Molex	Headers & Wire Housings MircoOne Hdr Vrt 2mm SR 8Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	353In Stock	Cut Tape $1.90 $1.62 $1.38 Reel $1.36 $1.26 View $1.19 $1.09	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings Micro-One Hdr RA 2mm SR 2Ckt BLK 205972-0021 Molex 1: $1.22 217In Stock 3,300Expected 2026/12/03	Mfr. Part No. 205972-0021 Mouser Part No 538-205972-0021	Molex	Headers & Wire Housings Micro-One Hdr RA 2mm SR 2Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	217In Stock 3,300Expected 2026/12/03	Cut Tape $1.22 $1.04 $0.885 Reel $0.783 $0.726	Min.: 1 Mult.: 1 : 550
Headers & Wire Housings Micro-One Hdr RA 2mm SR 8Ckt BLK 205972-0081 Molex 1: $2.07 210In Stock 2,200Expected 2027/03/11	Mfr. Part No. 205972-0081 Mouser Part No 538-205972-0081	Molex	Headers & Wire Housings Micro-One Hdr RA 2mm SR 8Ckt BLK Learn More about Molex micro one wtb connectors	Datasheet	210In Stock 2,200Expected 2027/03/11	Cut Tape $2.07 $1.83 $1.56 Reel $1.38 $1.27 View $1.19 $1.16	Min.: 1 Mult.: 1 : 550
Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 4Ckt 205979-2041 Molex 1: $0.42 5,947In Stock 32,000On Order	Mfr. Part No. 205979-2041 Mouser Part No 538-205979-2041	Molex	Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 4Ckt Learn More about Molex micro one wtb connectors	Datasheet	5,947In Stock 32,000On Order On Order Ship Dates Mfr. No: 205979-2041 Stock: 5,947 Can Dispatch Immediately On Order: 12,000 Expected 2027/02/11 20,000 Expected 2027/02/25 Factory Lead Time: 21 Weeks	$0.42 $0.355 $0.317 $0.302 View $0.27 $0.223 $0.219	Min.: 1 Mult.: 1
Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 5Ckt 205979-2051 Molex 1: $0.43 1,613In Stock	Mfr. Part No. 205979-2051 Mouser Part No 538-205979-2051	Molex	Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 5Ckt Learn More about Molex micro one wtb connectors	Datasheet	1,613In Stock	$0.43 $0.364 $0.326 $0.311 View $0.271 $0.243 $0.233 $0.223 $0.217	Min.: 1 Mult.: 1
Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 6Ckt 205979-2061 Molex 1: $0.54 5,395In Stock	Mfr. Part No. 205979-2061 Mouser Part No 538-205979-2061	Molex	Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 6Ckt Learn More about Molex micro one wtb connectors	Datasheet	5,395In Stock	$0.54 $0.462 $0.413 $0.401 View $0.358 $0.312 $0.292 $0.265 $0.25	Min.: 1 Mult.: 1
Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 7Ckt 205979-2071 Molex 1: $0.59 783In Stock	Mfr. Part No. 205979-2071 Mouser Part No 538-205979-2071	Molex	Headers & Wire Housings Micro-One Rcpt Hsg 2mm SR w/ISL 7Ckt Learn More about Molex micro one wtb connectors	Datasheet	783In Stock	$0.59 $0.50 $0.447 $0.426 View $0.316 $0.30 $0.295 $0.286	Min.: 1 Mult.: 1
Headers & Wire Housings MicroOne 3CKT Rec2.0 HSG Glow Wire 212724-2031 Molex 1: $0.411 252In Stock 16,000Expected 2027/03/04	Mfr. Part No. 212724-2031 Mouser Part No 538-212724-2031	Molex	Headers & Wire Housings MicroOne 3CKT Rec2.0 HSG Glow Wire Learn More about Molex micro one wtb connectors	Datasheet	252In Stock 16,000Expected 2027/03/04	$0.411 $0.361 $0.334 $0.315 View $0.292 $0.288 $0.272 $0.251	Min.: 1 Mult.: 1
Headers & Wire Housings MicroOne 6CKT TPA2.0Retainer Gray GW 212725-2060 Molex 1: $0.19 210In Stock	Mfr. Part No. 212725-2060 Mouser Part No 538-212725-2060	Molex	Headers & Wire Housings MicroOne 6CKT TPA2.0Retainer Gray GW Learn More about Molex micro one wtb connectors	Datasheet	210In Stock	$0.19 $0.148 $0.135 $0.126 View $0.116 $0.102 $0.097 $0.094 $0.09	Min.: 1 Mult.: 1
Headers & Wire Housings MicroOne 8CKT TPA2.0Retainer Gray GW 212725-2080 Molex 1: $0.211 124In Stock	Mfr. Part No. 212725-2080 Mouser Part No 538-212725-2080	Molex	Headers & Wire Housings MicroOne 8CKT TPA2.0Retainer Gray GW Learn More about Molex micro one wtb connectors	Datasheet	124In Stock	$0.211 $0.173 $0.156 $0.148 View $0.133 $0.117 $0.102 $0.099	Min.: 1 Mult.: 1
Headers & Wire Housings M-One 2mm VRT HDR SR 2CKT GW W/POTNG CAP 217063-0025 Molex 1: $1.03 31In Stock 3,000On Order	Mfr. Part No. 217063-0025 Mouser Part No 538-217063-0025	Molex	Headers & Wire Housings M-One 2mm VRT HDR SR 2CKT GW W/POTNG CAP Learn More about Molex micro one wtb connectors	Datasheet	31In Stock 3,000On Order	Cut Tape $1.03 $0.873 $0.856 $0.763 Reel $0.652 View $0.728 $0.597 $0.559 $0.478	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings M-One 2mm VRT HDR SR 2CKT GW W/CVR Tape 217063-0027 Molex 1: $1.04 25In Stock 3,000Expected 2027/02/11	Mfr. Part No. 217063-0027 Mouser Part No 538-217063-0027	Molex	Headers & Wire Housings M-One 2mm VRT HDR SR 2CKT GW W/CVR Tape Learn More about Molex micro one wtb connectors	Datasheet	25In Stock 3,000Expected 2027/02/11	Cut Tape $1.04 $0.886 $0.754 Reel $0.579 $0.535 View $0.504 $0.502	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings M-One 2mm VRT HDR SR 4CKT GW W/POTNG CAP 217063-0045 Molex 1: $1.14 1,153In Stock	Mfr. Part No. 217063-0045 Mouser Part No 538-217063-0045	Molex	Headers & Wire Housings M-One 2mm VRT HDR SR 4CKT GW W/POTNG CAP Learn More about Molex micro one wtb connectors	Datasheet	1,153In Stock	Cut Tape $1.14 $0.966 $0.943 $0.844 Reel $0.721 View $0.804 $0.657 $0.544 $0.528	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings M-One 2mm VRT HDR SR 4CKT GW W/CVR Tape 217063-0047 Molex 1: $1.26 2,075In Stock	Mfr. Part No. 217063-0047 Mouser Part No 538-217063-0047	Molex	Headers & Wire Housings M-One 2mm VRT HDR SR 4CKT GW W/CVR Tape Learn More about Molex micro one wtb connectors	Datasheet	2,075In Stock	Cut Tape $1.26 $1.07 $1.02 $0.951 Reel $0.679 View $0.618 $0.57 MouseReel Available	Min.: 1 Mult.: 1 : 500
Headers & Wire Housings M-One 2mm VRT HDR SR 5CKT GW W/CVR Tape 217063-0057 Molex 1: $1.15 14In Stock	Mfr. Part No. 217063-0057 Mouser Part No 538-217063-0057	Molex	Headers & Wire Housings M-One 2mm VRT HDR SR 5CKT GW W/CVR Tape Learn More about Molex micro one wtb connectors	Datasheet	14In Stock	Cut Tape $1.15 $0.972 $0.957 $0.872 Reel $0.713 View $0.793 $0.649 $0.608 $0.595	Min.: 1 Mult.: 1 : 500

Micro-One Wire-to-Board Connectors with ISL

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Micro-One Wire-to-Board Connectors with ISL

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