Molex 5054321001 Micro-Lock Plus 10-Pos Receptacle | 1.25mm Dual Row

Short Description:

Manufacturer: Molex
Part Number: 5054321001
Series: Micro-Lock Plus 505432
Circuits: 10 Positions (Dual Row)
Pitch – Mating: 1.25 mm (0.049 in)
Locking Style: Positive Lock (Secure Audible Click)
Polarized: Yes (Prevents Mis-mating)
Material: Rugged Polyester (Black)
Temperature Range: -40°C to +105°C
Weight: 261.670 mg (Ultra-lightweight)

Product Detail

Product Tags

Buy Molex 5054321001 Micro-Lock Plus 10-position receptacle housing. Features 1.25mm pitch, dual-row design, and secure positive lock. Heat resistant up to 105°C for industrial and automotive applications.

Data Overview

Category	Attribute	Specification
General Info	Brand	Molex
	Series Number	505432
	Part Number	5054321001
Physical Specs	Number of Positions	10
	Number of Rows	2
	Pitch – Mating	1.25 mm
	Color	Black
Technical Specs	Connector Type	Receptacle Housing
	Fastening Type	Positive Lock
	Mounting Type	Free Hanging (In-Line)
	Operating Temp	-40°C to +105°C
Material Info	Insulation Material	Polyester
	Flammability	UL 94V-0 Compatible
	Net Weight	261.670 mg

Product Details

Product Features	Engineering Advantages	Customer Benefits
1.25mm Pitch Dual-Row Design	Achieves a high-density 10-circuit connection in a minimized physical footprint compared to standard 2.0mm or single-row systems.	Optimize PCB Real Estate: Perfect for thin-profile consumer electronics and compact industrial modules, allowing engineers to shrink device sizes without sacrificing circuit count.
Integrated Positive Latch Lock	Features a center-locking mechanism that provides a tactile and audible “click” when fully mated.	Prevent Signal Dropout: Ensures a rock-solid connection even in high-vibration environments like drones or automotive cabins, significantly reducing maintenance and field failure costs.
Robust Polarization Rails	Precision-molded keying features guide the receptacle into the correct orientation every time.	Error-Free Assembly: Eliminates the risk of short circuits or board damage caused by reversed mating during fast-paced mass production lines.
High-Performance Polyester Shell	Crafted from durable, heat-stabilized polyester that withstands temperatures up to 105°C.	Long-Term Durability: Maintains mechanical integrity in harsh industrial environments, ensuring the connector won’t warp or degrade over years of continuous operation.

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Q1: Which crimp terminals are compatible with the 5054321001?

A: This housing is designed to be used with the Molex 505431 series female crimp terminals. Depending on your wire size (AWG 26-30), you should choose the corresponding terminal to ensure optimal current rating and retention.

Q2: What are the advantages of Dual Row vs. Single Row in the Micro-Lock Plus series?

A: The dual-row configuration of the 5054321001 allows you to fit 10 circuits into a much narrower horizontal footprint on the PCB compared to a 10-circuit single-row version, which is critical for ultra-slim electronic devices.

Q3: Does the positive lock prevent accidental disconnection?

A: Yes, the center-locking ramp on the 5054321001 ensures that once mated, the connector cannot be pulled apart without manually depressing the latch, making it suitable for automotive and drone applications with high shock and vibration.