Nano-Fit Power Connectors

Molex's Nano-Fit power connectors deliver fully protected header terminals in a small package

Image of Molex Nano-Fit™ Power Connectors Power-application customers are often faced with choosing between headers with exposed terminals that leave connectors susceptible to damage or large, fully isolated headers that consume too much space. Compact Nano-Fit connectors from Molex solve this challenge by providing fully protected header terminals in a small package. Another common issue for design engineers is meeting the requirement to use multiple headers of the same circuit size on one PCB, which complicates assembly and risks mis-mating a receptacle to the wrong header. Nano-Fit connectors address this with multiple mechanical keying options and color-coding logic, reducing cross-mating risk while improving assembly efficiency. Additionally, Nano-Fit connectors offer a 20 AWG UL1569/1007 option, expanding flexibility for power applications.

Features
  • Very small, fully-isolated headers deliver up to 69% PCB space savings
  • Multiple mechanical keying and color-coded options
    • Allows same-circuit, multiple-connector use with virtually no chance of cross-mating
    • Color coding provides visual indication of the proper mating connector, enabling faster assembly
  • Optional terminal position assurance (TPA) retainer
    • Ensures terminals are fully seated in the housing to reduce terminal back-out
    • Retains terminals if the main retention feature fails
  • Ultra-low mate force terminal reduces operator fatigue and improves assembly compliance for high-circuit applications
  • Positive-lock housing with anti-snag design
    • Ensures mated connector assemblies will not accidentally disengage
    • Provides an audible click while mating and protects the latch from damage due to wire snags

Nano-Fit Receptacle/Plug

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CONN PLUG HSG 2POS 2.50MM2002771102CONN PLUG HSG 2POS 2.50MM21951 - Immediate
20000 - Factory Stock
$11.38View Details
CONN RCPT HSG 2POS 2.50MM1053071202CONN RCPT HSG 2POS 2.50MM20736 - Immediate
20000 - Factory Stock
$11.38View Details
CONN RCPT HSG 4POS 2.50MM1053081204CONN RCPT HSG 4POS 2.50MM18738 - Immediate
50400 - Factory Stock
$11.70View Details
CONN RCPT HSG 3POS 2.50MM1053071203CONN RCPT HSG 3POS 2.50MM21374 - Immediate
26400 - Factory Stock
$12.35View Details
CONN RCPT HSG 4POS 2.50MM1053071204CONN RCPT HSG 4POS 2.50MM18770 - Immediate$13.33View Details

Nano-Fit Header

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CONN HEADER SMD 2POS 2.5MM1054311102CONN HEADER SMD 2POS 2.5MM10989 - Immediate$73.13View Details
CONN HEADER SMD 3POS 2.5MM1054311103CONN HEADER SMD 3POS 2.5MM2741 - Immediate$78.65View Details
CONN HEADER SMD 4POS 2.5MM1054311104CONN HEADER SMD 4POS 2.5MM2318 - Immediate$83.85View Details
CONN HEADER SMD 5POS 2.5MM1054311105CONN HEADER SMD 5POS 2.5MM483 - Immediate$89.05View Details
CONN HEADER SMD 6POS 2.5MM1054311106CONN HEADER SMD 6POS 2.5MM458 - Immediate$93.93View Details

Nano-Fit Contacts

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CONN 20-22AWG CRIMP TIN1053002100CONN 20-22AWG CRIMP TIN313114 - Immediate
450000 - Factory Stock
$5.20View Details
CONN 24-26AWG CRIMP TIN1053001100CONN 24-26AWG CRIMP TIN260567 - Immediate
300000 - Factory Stock
$5.20View Details
NANO-FIT PLUG TML TIN LB 24-262014471400NANO-FIT PLUG TML TIN LB 24-26157031 - Immediate
45000 - Factory Stock
$5.20View Details
NANO-FIT PLUG TML TIN LB 20-222014472400NANO-FIT PLUG TML TIN LB 20-22124308 - Immediate$5.20View Details
CONN 20-22AWG CRIMP GOLD1053002200CONN 20-22AWG CRIMP GOLD288100 - Immediate
225000 - Factory Stock
$6.37View Details

Nano-Fit TPA Accessories

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
NANOFIT TPA V0 WHT 2 CKT1053252002NANOFIT TPA V0 WHT 2 CKT0 - Immediate$3.58View Details
NANOFIT TPA V0 WHT 3 CKT1053252003NANOFIT TPA V0 WHT 3 CKT10551 - Immediate$4.23View Details
NANOFIT TPA V0 WHT 4 CKT1053252004NANOFIT TPA V0 WHT 4 CKT12063 - Immediate$4.55View Details
NANOFIT TPA V0 WHT 6 CKT1053252006NANOFIT TPA V0 WHT 6 CKT8846 - Immediate$5.20View Details
NANO-FIT TPA V0 BLK 2 CKT1053251002NANO-FIT TPA V0 BLK 2 CKT8932 - Immediate
10000 - Factory Stock
$4.88View Details

Nano-Fit Hand Tools

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
TOOL HAND CRIMPER 105300 SIDE0638275600TOOL HAND CRIMPER 105300 SIDE114 - Immediate
50 - Factory Stock
$18,126.88View Details
TOOL HAND CRIMPER 105300 SIDE0638276000TOOL HAND CRIMPER 105300 SIDE73 - Immediate
15 - Factory Stock
$18,126.88View Details

Nano-Fit Extraction Tool

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EXTRACT 20-26AWG NANO-FIT TERM0638244600EXTRACT 20-26AWG NANO-FIT TERM219 - Immediate$1,371.18View Details

Nano-Fit Kit

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CONNECTOR KIT NANO FITWM25372-KITCONNECTOR KIT NANO FIT3 - Immediate$1,416.03View Details

Nano-Fit Cable Assemblies

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
NANO-FIT 2 CIRCUIT 150MM0451300201NANO-FIT 2 CIRCUIT 150MM2304 - Immediate$106.93View Details
NANO-FIT 2 CIRCUIT 300M0451300203NANO-FIT 2 CIRCUIT 300M3111 - Immediate$129.68View Details
NANO-FIT 2 CIRCUIT 1M0451300210NANO-FIT 2 CIRCUIT 1M2978 - Immediate$116.68View Details
NANO-FIT 4 CIRCUIT 150MM0451300401NANO-FIT 4 CIRCUIT 150MM2080 - Immediate$199.55View Details
NANO-FIT 4CIRCUIT 300MM0451300403NANO-FIT 4CIRCUIT 300MM1183 - Immediate$176.48View Details
Updated: 2025-10-20
Published: 2016-09-01